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Hybrid Control System (Diagnostic Codes (P0A3F-243 - P0A7A-324)): Other Lexus CT I

Engine Control Systems 4 illustrations ~18911 words

MONITOR STRATEGY

Related DTCsP0A3F (INF 243): Short circuit between phases P0A40 (INF 500): Range check P0A41 (INF245): Circuit discontinuity / short circuit
Required sensors / componentsMotor resolver
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone

TYPICAL ENABLING CONDITIONS

The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property

TYPICAL MALFUNCTION THRESHOLDS

TMC's intellectual property

COMPONENT OPERATING RANGE

Motor resolverDTC P0A3F (INF 243) is not detected DTC P0A40 (INF 500) is not detected DTC P0A41 (INF 245) is not detected

Scheme 489

Scheme 489: CONFIRMATION DRIVING PATTERN
Scheme 489: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (READY) and turn the Techstream on.
  6. Slowly accelerate from a stop (0 mph (0 km/h)) to 25 mph (40 km/h) several times while using different acceleration patterns.
  7. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
  8. Check that permanent DTCs are cleared.
  9. If the permanent DTCs are not cleared, perform the universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.

PROCEDURE

  1. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 2»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 8 OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 10 OK: Go to next step
  6. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  7. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 12
  8. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  9. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 13
  10. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  11. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 14
  12. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  13. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  14. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
Related DTCsP0A4B (INF 253): Short circuit between phases P0A4C (INF 513): Range check P0A4D (INF 255): Circuit discontinuity / short circuit
Required sensors / componentsGenerator resolver
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Generator resolverDTC P0A4B (INF 253) is not detected DTC P0A4C (INF 513) is not detected DTC P0A4D (INF 255) is not detected

CONFIRMATION DRIVING PATTERN

  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (READY) and turn the Techstream on.
  6. Slowly accelerate from a stop (0 mph (0 km/h)) to 25 mph (40 km/h) several times while using different acceleration patterns.
  7. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
  8. Check that permanent DTCs are cleared.
  9. If the permanent DTCs are not cleared, perform the universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 2»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 8 OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 10 OK: Go to next step
  6. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  7. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 12
  8. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  9. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 13
  10. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  11. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 14
  12. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  13. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  14. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A51-174 only is output. A Any of the following DTCs are also output. B DTC No. Relevant Diagnosis P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A78-113, 287, 505, 506 Drive Motor "A" Inverter Performance HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A51-174 may be output due to a malfunction which causes the DTCs in the table above to be output. In this case, first troubleshoot the output DTCs in the table above. Then, perform a reproduction test to check that no DTCs are output. Turn the power switch off. B --> See step 3 A: Go to next step
  2. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK --> See step 4
  3. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  4. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
Related DTCsP0A60 (INF 288/290/294/501): Drive Motor "A" Phase V Current P0A63 (INF 296/298/302/502): Drive Motor "A" Phase W Current
Required sensors / componentsMotor inverter current sensor, motor resolver
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A60 (INF 288/ 290/ 294/ 501) is not detected DTC P0A63 (INF 296/ 298/ 302/ 502) is not detected

Scheme 490

Scheme 490: CONFIRMATION DRIVING PATTERN
Scheme 490: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (READY) and turn the Techstream on.
  6. With the vehicle stopped and park (P) selected, move the shift lever to N, wait for 10 seconds and then move the shift lever to D. [A] NOTE: Do not leave the vehicle for an extended time with the shift lever in N.
  7. Slowly accelerate from a stop (0 mph (0 km/h)) to 25 mph (40 km/h) several times while using different acceleration patterns. [B]
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform the universal trip, and then check for permanent DTCs again. HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HV) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A60 or P0A63 only is output. A P0A78-202 is output. B Turn the power switch off. B --> See step 4 A: Go to next step
  2. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK --> See step 3
  3. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  4. GO TO DTC CHART (P0A78-202). Refer to «DTC P0A78-202: Drive Motor "A" Inverter Performance»(ref-568754-S22859621412013072300000)
Related DTCsP0A72 (INF 326/328/333/515): Generator Phase V Current P0A75 (INF 334/336/341/516): Generator Phase W Current
Required sensors / componentsGenerator inverter current sensor, Generator resolver
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A72 (INF 326/328/333/515) is not detected DTC P0A75 (INF 334/336/341/516) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (READY) and turn the Techstream on.
  6. With the vehicle stopped and park (p) selected, move the shift lever to N, wait for 10 seconds and then move the shift lever to D. [A] NOTE: Do not leave the vehicle for an extended time with the shift lever in N.
  7. Slowly accelerate from a stop (0 mph (0 km/h)) to 25 mph (40 km/h) several times while using different acceleration patterns. [B]
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform the universal trip, and then check for permanent DTCs again. HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HV) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A72 or P0A75 only is output. A P0A7A-203 is output. B Turn the power switch off. B --> See step 4 A: Go to next step
  2. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK --> See step 3
  3. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  4. GO TO DTC CHART (P0A7A-203). Refer to «DTC P0A7A-203: Generator Inverter Performance»(ref-568754-S25923080412013072300000)
Related DTCsP0A78 (INF 113): MFIV detection (Over current malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 113) is not detected

Scheme 491

Scheme 491: CONFIRMATION DRIVING PATTERN
Scheme 491: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
Related DTCsP0A78 (INF 121): OVH detection (Over voltage malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 121) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
Related DTCsP0A78 (INF 128): Motor inverter abnormal current
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 128) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-202 is not output A P0A78-202 is also output B NOTE: If P0A78-202 is output, troubleshoot it first. After completing the troubleshooting for P0A78-202, return to perform troubleshooting for this DTC. Parts repaired or replaced during troubleshooting for P0A78-202 do not need to be re-inspected in this diagnosis procedure. Turn the power switch off. B --> See step 29 A: Go to next step
  2. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. HINT: If P0A78-202 was not output in step 1 of this diagnosis procedure, check Table 1 below. If P0A78-202 was output in step 1 of this diagnosis procedure, repair that DTC first, then check Table 2 below. Result Result Proceed to P0A78-128 only is output. A Any of the following DTCs are also output. B TABLE 1 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 279, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 344, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A92-521 Hybrid Generator Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-803 Power Cable Malfunction TABLE 2 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60-294 Drive Motor "A" Phase V Current P0A63-302 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 279, 287, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 344, 517, 518, 809, 810, 811 Generator Inverter Performance P0A92-521 Hybrid Generator Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-803 Power Cable Malfunction HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-128 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 31 A: Go to next step
  3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 18 OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  7. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 20 OK: Go to next step
  8. CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 9 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  9. CHECK INVERTER WITH CONVERTER ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 10 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  10. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1) See step 11 NG --> See step 25 OK: Go to next step
  11. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) See step 12 NG --> See step 27 OK: Go to next step
  12. CHECK FUSE (PCU) See step 13 NG --> See step 22 OK: Go to next step
  13. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY POWER SOURCE CIRCUIT) See step 14 NG --> REPAIR OR REPLACE POWER SOURCE CIRCUIT OK: Go to next step
  14. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INVERTER WITH CONVERTER) See step 15 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  15. CHECK POWER MANAGEMENT CONTROL ECU See step 16 NG --> See step 32 OK: Go to next step
  16. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  17. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 33
  18. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  19. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 30
  20. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  21. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 36
  22. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - PCU FUSE) See step 23 NG --> See step 24 OK: Go to next step
  23. REPLACE INVERTER WITH CONVERTER ASSEMBLY Replace the inverter with converter assembly. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000) . NEXT --> REPLACE FUSE (PCU)
  24. REPAIR OR REPLACE HARNESS OR CONNECTOR NEXT --> REPLACE FUSE (PCU)
  25. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 26 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  26. CHECK GENERATOR CABLE See step 27 NG --> See step 34 OK --> See step 30
  27. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 28 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  28. CHECK MOTOR CABLE See step 29 NG --> See step 35 OK --> See step 36
  29. GO TO DTC CHART (P0A78-202). Refer to «DTC P0A78-202: Drive Motor "A" Inverter Performance»(ref-568754-S22859621412013072300000)
  30. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  31. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  32. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «COMPONENTS»(ref-568756-S05695655832013072300000)
  33. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  34. REPLACE GENERATOR CABLE. Refer to «COMPONENTS»(ref-568724-S11582543052013072300000)
  35. REPLACE MOTOR CABLE. Refer to «COMPONENTS»(ref-568724-S14684997332013072300000)
  36. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
Related DTCsP0A78 (INF 202): MFIV detection (Short circuit malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 202) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
Related DTCsP0A78 (INF 266): VH malfunction (GND short malfunction) P0A78 (INF 267): VH malfunction (+B short and disconnection malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 266/267) is not detected

Scheme 492

Scheme 492: CONFIRMATION DRIVING PATTERN
Scheme 492: CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (READY) and after a few seconds, turn the power switch off. [A]
  6. Repeat [A] 3 times. [B]
  7. Turn the power switch on (IG) and turn the Techstream on.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [C]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform the universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. REPLACE INVERTER WITH CONVERTER ASSEMBLY Replace the inverter with converter assembly. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000) . HINT: The signal line from the inverter voltage (VH) sensor is connected to the MG ECU inside the inverter with converter assembly. If P0A78-266 or P0A78-267 is output, replace the inverter with converter assembly. NEXT --> COMPLETED
Related DTCsP0A78 (INF 279): OVH detection (Over voltage malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 279) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-279 only is output. A Any of the following DTCs are also output. B DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A78-266, 267, 287, 505, 506, 565, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 517, 518, 809, 810, 811 Generator Inverter Performance P0A93-346 Inverter Cooling System Performance P0A94-554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-803 Power Cable Malfunction P314A-828 Inverter Coolant Pump Speed Signal HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-279 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 3 A: Go to next step
  2. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK --> See step 4
  3. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  4. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
Related DTCsP0A78 (INF 282): OVH detection (Circuit malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 282) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK --> See step 2
  2. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
Related DTCsP0A78 (INF 284): MFIV detection (Over heat malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 284) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-202 is not output A P0A78-202 is also output B NOTE: If P0A78-202 is output, troubleshoot it first. After completing the troubleshooting for P0A78-202, return to perform troubleshooting for this DTC. Parts repaired or replaced during troubleshooting for P0A78-202 do not need to be re-inspected in this diagnosis procedure. Turn the power switch off. B --> See step 39 A: Go to next step
  2. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. HINT: If P0A78-202 was not output in step 1 of this diagnosis procedure, check Table 1 below. If P0A78-202 was output in step 1 of this diagnosis procedure, repair that DTC first, then check Table 2 below. Result Result Proceed to P0A78-284 only is output. A Any of the following DTCs are also output. B TABLE 1 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 279, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 344, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A92-521 Hybrid Generator Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P314A-828 Inverter Coolant Pump Speed Signal TABLE 2 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60-294 Drive Motor "A" Phase V Current P0A63-302 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 279, 287, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 344, 517, 518, 809, 810, 811 Generator Inverter Performance P0A92-521 Hybrid Generator Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P314A-828 Inverter Coolant Pump Speed Signal HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-284 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. After troubleshooting and repairing all output DTCs, be sure to replace the inverter with converter assembly. Turn the power switch off. B --> See step 37 A: Go to next step
  3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK: Go to next step
  4. CHECK QUANTITY OF HV COOLANT. Refer to «PROCEDURE - Step 3»(ref-568753-S33128318392013072300000) B --> ADD HV COOLANT C --> INSPECT FOR COOLANT LEAK AND ADD COOLANT A: Go to next step
  5. CHECK COOLANT HOSE. Refer to «PROCEDURE - Step 4»(ref-568753-S33128318392013072300000) NG --> CORRECT THE PROBLEM OK: Go to next step
  6. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE ELECTRIC COOLING FAN). Refer to «PROCEDURE - Step 5»(ref-568753-S33128318392013072300000) NG --> See step 38 OK: Go to next step
  7. CHECK HV COOLANT (CHECK FOR CONDITIONS THAT MAY HAVE CAUSED FREEZING). Refer to «PROCEDURE - Step 17»(ref-568753-S17960515452013072300000) B --> See step 33 A: Go to next step
  8. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  9. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 22 OK: Go to next step
  10. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  11. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 24 OK: Go to next step
  12. CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 9 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  13. CHECK INVERTER WITH CONVERTER ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 10 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  14. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1) See step 11 NG --> See step 29 OK: Go to next step
  15. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) See step 12 NG --> See step 31 OK: Go to next step
  16. CHECK FUSE (PCU) See step 13 NG --> See step 26 OK: Go to next step
  17. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY POWER SOURCE CIRCUIT) See step 14 NG --> REPAIR OR REPLACE POWER SOURCE CIRCUIT OK: Go to next step
  18. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INVERTER WITH CONVERTER) See step 15 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  19. CHECK POWER MANAGEMENT CONTROL ECU See step 16 NG --> See step 36 OK: Go to next step
  20. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  21. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 35
  22. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  23. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 41
  24. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  25. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 44
  26. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - PCU FUSE) See step 23 NG --> See step 28 OK: Go to next step
  27. REPLACE INVERTER WITH CONVERTER ASSEMBLY See step 29 NEXT --> REPLACE FUSE (PCU)
  28. REPAIR OR REPLACE HARNESS OR CONNECTOR NEXT --> REPLACE FUSE (PCU)
  29. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 26 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  30. CHECK GENERATOR CABLE See step 27 NG --> See step 42 OK --> See step 41
  31. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 28 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  32. CHECK MOTOR CABLE See step 29 NG --> See step 43 OK --> See step 44
  33. REPLACE HV COOLANT. Refer to «PROCEDURE - Step 7»(ref-568753-S33128318392013072300000) NEXT: Go to next step
  34. CHECK INVERTER WATER PUMP ASSEMBLY. Refer to «PROCEDURE - Step 8»(ref-568753-S33128318392013072300000) NG --> See step 40 OK --> COMPLETED
  35. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  36. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «COMPONENTS»(ref-568756-S05695655832013072300000)
  37. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  38. CHECK COOLING FAN SYSTEM. Refer to «Cooling Fan Circuit»(ref-568758-S10256696072013072300000)
  39. GO TO DTC CHART (P0A78-202). Refer to «DTC P0A78-202: Drive Motor "A" Inverter Performance»(ref-568754-S22859621412013072300000)
  40. REPLACE INVERTER WATER PUMP ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S04615029752013072300000)
  41. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  42. REPLACE GENERATOR CABLE. Refer to «COMPONENTS»(ref-568724-S11582543052013072300000)
  43. REPLACE MOTOR CABLE. Refer to «COMPONENTS»(ref-568724-S14684997332013072300000)
  44. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
Related DTCsP0A78 (INF 286): MFIV detection (Circuit malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 286) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-202 is not output A P0A78-202 is also output B NOTE: If P0A78-202 is output, troubleshoot it first. After completing the troubleshooting for P0A78-202, return to perform troubleshooting for this DTC. Parts repaired or replaced during troubleshooting for P0A78-202 do not need to be re-inspected in this diagnosis procedure. Turn the power switch off. B --> See step 39 A: Go to next step
  2. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. HINT: If P0A78-202 was not output in step 1 of this diagnosis procedure, check Table 1 below. If P0A78-202 was output in step 1 of this diagnosis procedure, repair that DTC first, then check Table 2 below. Result Result Proceed to P0A78-286 only is output. A Any of the following DTCs are also output. B TABLE 1 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-113, 128, 266, 267, 279, 284, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-122, 130, 322, 325, 344, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A92-521 Hybrid Generator Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P314A-828 Inverter Coolant Pump Speed Signal TABLE 2 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60-294 Drive Motor "A" Phase V Current P0A63-302 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-113, 128, 266, 267, 279, 284, 287, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-122, 130, 322, 325, 344, 517, 518, 809, 810, 811 Generator Inverter Performance P0A92-521 Hybrid Generator Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P314A-828 Inverter Coolant Pump Speed Signal HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-286 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. After troubleshooting and repairing all output DTCs, be sure to replace the inverter with converter assembly. Turn the power switch off. B --> See step 37 A: Go to next step
  3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK: Go to next step
  4. CHECK QUANTITY OF HV COOLANT. Refer to «PROCEDURE - Step 3»(ref-568753-S33128318392013072300000) B --> ADD HV COOLANT C --> INSPECT FOR COOLANT LEAK AND ADD COOLANT A: Go to next step
  5. CHECK COOLANT HOSE. Refer to «PROCEDURE - Step 4»(ref-568753-S33128318392013072300000) NG --> CORRECT THE PROBLEM OK: Go to next step
  6. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE ELECTRIC COOLING FAN). Refer to «PROCEDURE - Step 5»(ref-568753-S33128318392013072300000) NG --> See step 38 OK: Go to next step
  7. CHECK HV COOLANT (CHECK FOR CONDITIONS THAT MAY HAVE CAUSED FREEZING). Refer to «PROCEDURE - Step 17»(ref-568753-S17960515452013072300000) B --> See step 33 A: Go to next step
  8. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  9. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 22 OK: Go to next step
  10. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  11. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 24 OK: Go to next step
  12. CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 9 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  13. CHECK INVERTER WITH CONVERTER ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 10 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  14. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1) See step 11 NG --> See step 29 OK: Go to next step
  15. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) See step 12 NG --> See step 31 OK: Go to next step
  16. CHECK FUSE (PCU) See step 13 NG --> See step 26 OK: Go to next step
  17. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY POWER SOURCE CIRCUIT) See step 14 NG --> REPAIR OR REPLACE POWER SOURCE CIRCUIT OK: Go to next step
  18. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INVERTER WITH CONVERTER) See step 15 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  19. CHECK POWER MANAGEMENT CONTROL ECU See step 16 NG --> See step 36 OK: Go to next step
  20. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  21. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 35
  22. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  23. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 41
  24. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  25. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 44
  26. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - PCU FUSE) See step 23 NG --> See step 28 OK: Go to next step
  27. REPLACE INVERTER WITH CONVERTER ASSEMBLY See step 29 NEXT --> REPLACE FUSE (PCU)
  28. REPAIR OR REPLACE HARNESS OR CONNECTOR NEXT --> REPLACE FUSE (PCU)
  29. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 26 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  30. CHECK GENERATOR CABLE See step 27 NG --> See step 42 OK --> See step 41
  31. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 28 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  32. CHECK MOTOR CABLE See step 29 NG --> See step 43 OK --> See step 44
  33. REPLACE HV COOLANT. Refer to «PROCEDURE - Step 7»(ref-568753-S33128318392013072300000) NEXT: Go to next step
  34. CHECK INVERTER WATER PUMP ASSEMBLY. Refer to «PROCEDURE - Step 8»(ref-568753-S33128318392013072300000) NG --> See step 40 OK --> COMPLETED
  35. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  36. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «COMPONENTS»(ref-568756-S05695655832013072300000)
  37. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  38. CHECK COOLING FAN SYSTEM. Refer to «Cooling Fan Circuit»(ref-568758-S10256696072013072300000)
  39. GO TO DTC CHART (P0A78-202). Refer to «DTC P0A78-202: Drive Motor "A" Inverter Performance»(ref-568754-S22859621412013072300000)
  40. REPLACE INVERTER WATER PUMP ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S04615029752013072300000)
  41. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  42. REPLACE GENERATOR CABLE. Refer to «COMPONENTS»(ref-568724-S11582543052013072300000)
  43. REPLACE MOTOR CABLE. Refer to «COMPONENTS»(ref-568724-S14684997332013072300000)
  44. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
Related DTCsP0A78 (INF 287): MFIV detection (Over current malfunction) P0A78 (INF 807): Motor inverter abnormal current
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 287/807) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-202 is not output A P0A78-202 is also output B NOTE: If P0A78-202 is output, troubleshoot it first. After completing the troubleshooting for P0A78-202, return to perform troubleshooting for this DTC. Parts repaired or replaced during troubleshooting for P0A78-202 do not need to be re-inspected in this diagnosis procedure. Turn the power switch off. B --> See step 6 A: Go to next step
  2. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. HINT: If P0A78-202 was not output in step 1 of this diagnosis procedure, check Table 1 below. If P0A78-202 was output in step 1 of this diagnosis procedure, repair that DTC first, then check Table 2 below. Result Result Proceed to P0A78-287, 807 only is output. A Any of the following DTCs are also output. B TABLE 1 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 586 Drive Motor "A" Inverter Performance P0A94-585, 587, 589, 590 DC/DC Converter Performance P0C76-523 Hybrid Battery System Discharge Time Too Long TABLE 2 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60-294 Generator Position Sensor Circuit Range/Performance P0A63-302 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 586 Drive Motor "A" Inverter Performance P0A94-585, 587, 589, 590 DC/DC Converter Performance P0C76-523 Hybrid Battery System Discharge Time Too Long HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-287 or P0A78-807 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 4 A: Go to next step
  3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK --> See step 5
  4. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  5. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  6. GO TO DTC CHART (P0A78-202). Refer to «DTC P0A78-202: Drive Motor "A" Inverter Performance»(ref-568754-S22859621412013072300000)
Related DTCsP0A78 (INF 306): Discrepancy between motor monitored torque and commanded torque
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECUDTC P0A78 (INF 306) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (READY) and turn the Techstream on.
  6. Slowly accelerate from a stop (0 mph (0 km/h)) to 25 mph (40 km/h) several times while using different acceleration patterns.
  7. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
  8. Check that permanent DTCs are cleared.
  9. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-306 only is output. A Any of the following DTCs are also output. B DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-202, 266, 267, 279, 287, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-203, 325, 517, 518, 809, 810, 811 Generator Inverter Performance P0A94-547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0AA6 (all INF codes)*1 Hybrid Battery Voltage System Isolation Fault P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-132 Power Cable Malfunction P3233-750 Open or Short to B+ in Blocking of HV Gate Connection HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-306 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 7 A: Go to next step
  2. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK: Go to next step
  3. CHECK INVERTER WITH CONVERTER ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 10 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  4. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) See step 12 NG --> See step 5 OK --> See step 9
  5. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 28 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  6. CHECK MOTOR CABLE See step 29 NG --> See step 10 OK --> See step 8
  7. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  8. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  9. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  10. REPLACE MOTOR CABLE. Refer to «COMPONENTS»(ref-568724-S14684997332013072300000)
Related DTCsP0A78 (INF 503): OVH detection (Over voltage malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 503) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-503 only is output. A Any of the following DTCs are also output. B DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A78-266, 267, 287, 505, 506, 565, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 517, 518, 809, 810, 811 Generator Inverter Performance P0A93-346 Inverter Cooling System Performance P0A94-554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid battery System Discharge Time Too Long P3004-803 Power Cable Malfunction P314A-828 Inverter Coolant Pump Speed Signal HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-503 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 3 A: Go to next step
  2. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK --> See step 4
  3. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  4. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
Related DTCsP0A78 (INF 504): OVH detection (Over voltage malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 504) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-504 only is output A Any of the following DTCs are also output. B DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 287, 505, 506, 565, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 517, 518, 809, 810, 811 Generator Inverter Performance P0A93-346 Inverter Cooling System Performance P0A94-554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-803 Power Cable Malfunction P314A-828 Inverter Coolant Pump Speed Signal HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-504 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 13 A: Go to next step
  2. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 9 OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  6. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 11 OK: Go to next step
  7. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  8. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 15
  9. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  10. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 14
  11. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  12. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 16
  13. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  14. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  15. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  16. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
Related DTCsP0A78 (INF 505): MFIV detection (Over current malfunction) P0A78 (INF 806): Motor inverter abnormal current
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 505/806) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-202 is not output A P0A78-202 is also output B NOTE: If P0A78-202 is output, troubleshoot it first. After completing the troubleshooting for P0A78-202, return to perform troubleshooting for this DTC. Parts repaired or replaced during troubleshooting for P0A78-202 do not need to be re-inspected in this diagnosis procedure. Turn the power switch off. B --> See step 3 A: Go to next step
  2. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. HINT: If P0A78-202 was not output in step 1 of this diagnosis procedure, check Table 1 below. If P0A78-202 was output in step 1 of this diagnosis procedure, repair that DTC first, then check Table 2 below. Result Result Proceed to P0A78-505 or 806 only is output. A Any of the following DTCs are also output. B TABLE 1 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 586 Drive Motor "A" Inverter Performance P0A94-585, 587, 589, 590 DC/DC Converter Performance P0C76-523 Hybrid Battery System Discharge Time Too Long TABLE 2 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60-294 Drive Motor "A" Phase V Current P0A63-302 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 586 Drive Motor "A" Inverter Performance P0A94-585, 587, 589, 590 DC/DC Converter Performance P0C76-523 Hybrid Battery System Discharge Time Too Long HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-505 or P0A78-806 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 5 A --> See step 4
  3. GO TO DTC CHART (P0A78-202). Refer to «DTC P0A78-202: Drive Motor "A" Inverter Performance»(ref-568754-S22859621412013072300000)
  4. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  5. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
Related DTCsP0A78 (INF 506): MFIV detection (Over current malfunction) P0A78 (INF 808): Motor inverter abnormal current
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 506/808) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-202 is not output A P0A78-202 is also output B NOTE: If P0A78-202 is output, troubleshoot it first. After completing the troubleshooting for P0A78-202, return to perform troubleshooting for this DTC. Parts repaired or replaced during troubleshooting for P0A78-202 do not need to be re-inspected in this diagnosis procedure. Turn the power switch off. B --> See step 14 A: Go to next step
  2. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. HINT: If P0A78-202 was not output in step 1 of this diagnosis procedure, check Table 1 below. If P0A78-202 was output in step 1 of this diagnosis procedure, repair that DTC first, then check Table 2 below. Result Result Proceed to P0A78-506 or 808 only is output. A Any of the following DTCs are also output. B TABLE 1 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 586 Drive Motor "A" Inverter Performance P0A94-585, 587, 589, 590 DC/DC Converter Performance P0C76-523 Hybrid Battery System Discharge Time Too Long TABLE 2 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60-294 Drive Motor "A" Phase V Current P0A63-302 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 586 Drive Motor "A" Inverter Performance P0A94-585, 587, 589, 590 DC/DC Converter Performance P0C76-523 Hybrid Battery System Discharge Time Too Long HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-506 or P0A78-808 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 17 A: Go to next step
  3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 10 OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  7. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 12 OK: Go to next step
  8. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  9. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 16
  10. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  11. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 15
  12. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  13. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 18
  14. GO TO DTC CHART (P0A78-202). Refer to «DTC P0A78-202: Drive Motor "A" Inverter Performance»(ref-568754-S22859621412013072300000)
  15. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  16. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  17. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  18. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
Related DTCsP0A78 (INF 565): OVH detection (Voltage (VH) sensor malfunction)
Required sensors / componentsMotor inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 565) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK --> See step 2
  2. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
Related DTCsP0A78 (INF 586): Voltage (VH) sensor deviation
Required sensors / componentsMotor inverter
Frequency of operation
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A78 (INF 586) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (READY) and turn the Techstream on.
  6. With the shift lever in D, depress both the accelerator pedal and brake pedal at the same time to raise the SOC to a sufficient level.
  7. Push the P position switch, check that the engine is stopped and move the shift lever to N.
  8. Set the A/C for maximum cooling.
  9. Leave the vehicle for a few minutes.
  10. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
  11. Check that permanent DTCs are cleared.
  12. If the permanent DTCs are not cleared, perform the universal trip, and then check for permanent DTCs again. HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A78-586 only is output. A DTCs shown in Table 1 are output simultaneously. B DTCs shown in Table 2 are output simultaneously. C TABLE 1 DTC No. Relevant Diagnosis P0A1A-151, 155, 156, 658, 659 Generator Control Module P0A1B-164, 193, 512, 661, 786 Drive Motor "A" Control Module P0A1D-148 Hybrid Powertrain Control Module P0A78-266, 267 Drive Motor "A" Inverter Performance P0A94-589, 590 DC/DC Converter Performance P2511-149 ECM/PCM Power Relay Sensor Circuit Intermittent P3004-132 Power Cable Malfunction P324E-788 MG-ECU Power Relay Intermittent Circuit U0110 (all INF codes)*1 Lost Communication with Drive Motor Control Module "A" TABLE 2 DTC No. Relevant Diagnosis P0AFC-123 Hybrid Battery Pack Sensor Module P0B3D-123 Hybrid Battery Voltage Sensor "A" Circuit Low P0B42-123 Hybrid Battery Voltage Sensor "B" Circuit Low P0B47-123 Hybrid Battery Voltage Sensor "C" Circuit Low P0B4C-123 Hybrid Battery Voltage Sensor "D" Circuit Low P0B51-123 Hybrid Battery Voltage Sensor "E" Circuit Low P0B56-123 Hybrid Battery Voltage Sensor "F" Circuit Low P0B5B-123 Hybrid Battery Voltage Sensor "G" Circuit Low P0B60-123 Hybrid Battery Voltage Sensor "H" Circuit Low P0B65-123 Hybrid Battery Voltage Sensor "I" Circuit Low P0B6A-123 Hybrid Battery Voltage Sensor "J" Circuit Low P0B6F-123 Hybrid Battery Voltage Sensor "K" Circuit Low P0B74-123 Hybrid Battery Voltage Sensor "L" Circuit Low P0B79-123 Hybrid Battery Voltage Sensor "M" Circuit Low P0B7E-123 Hybrid Battery Voltage Sensor "N" Circuit Low P0B83-123 Hybrid Battery Voltage Sensor "O" Circuit Low P308A-123 Hybrid Battery Voltage Sensor All Circuits Low HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A78-586 may be output due to a malfunction which causes the DTCs in the table above to be output. In this case, first troubleshoot the output DTCs in the table above. Then, perform a reproduction test to check that no DTCs are output. Turn the power switch off. B --> See step 3 C --> See step 4 A --> See step 2
  2. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  3. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  4. GO TO DTC CHART (HYBRID BATTERY SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568752-S42743818862013072300000)
Related DTCsP0A7A (INF 122): GFIV detection (Over current malfunction)
Required sensors / componentsGenerator inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A7A (INF 122) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A7A-122 is set before any of the DTCs in the table below are set A Any of the DTCs in the table 1 below are set before P0A7A-122 is set B Any of the DTCs in the table 2 below are set before P0A7A-122 is set C TABLE 1 DTC No. Relevant Diagnosis P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P3004-803 Power Cable Malfunction TABLE 2 DTC No. Relevant Diagnosis P3011-123, P3012-123, P3013-123, P0314-123, P3015-123, P3016-123, P0317-123, P3018-123, P3019-123, P3020-123, P3021-123, P3022-123, P3023-123, P3024-123 Battery Block # Becomes Weak P0AFC-123 Hybrid Battery Pack Sensor Module P308A-123 Hybrid Battery Voltage Sensor All Circuits Low P0AC0-123 Hybrid Battery Pack Current Sensor Circuit Range/Performance P0AC1-123 Hybrid Battery Pack Current Sensor "A" Circuit Low P0AC2-123 Hybrid Battery Pack Current Sensor "A" Circuit High P0A9C-123 Hybrid Battery Temperature Sensor "A" Range / Performance P0A9D-123 Hybrid Battery Temperature Sensor "A" Circuit Low P0A9E-123 Hybrid Battery Temperature Sensor "A" Circuit High P0AC6-123 Hybrid Battery Temperature Sensor "B" Range/Performance P0AC7-123 Hybrid Battery Temperature Sensor "B" Circuit Low P0AC8-123 Hybrid Battery Temperature Sensor "B" Circuit High P0ACB-123 Hybrid Battery Temperature Sensor "C" Range / Performance P0ACC-123 Hybrid Battery Temperature Sensor "C" Circuit Low P0ACD-123 Hybrid Battery Temperature Sensor "C" Circuit High P3065-123 Hybrid Battery Temperature Sensor Range/Performance Stuck "A" HINT: Refer to the Freeze Frame data to determine the order in which the DTCs were set. P0A7A-122 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 32 C --> See step 35 A: Go to next step
  2. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A7A-203 is not output A P0A7A-203 is also output B NOTE: If P0A7A-203 is output, troubleshoot it first. After completing the troubleshooting for P0A7A-203, return to perform troubleshooting for this DTC. Parts repaired or replaced during troubleshooting for P0A7A-203 do not need to be re-inspected in this diagnosis procedure. Turn the power switch off. B --> See step 30 A: Go to next step
  3. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. HINT: If P0A7A-203 was not output in step 2 of this diagnosis procedure, check Table 1 below. If P0A7A-203 was output in step 2 of this diagnosis procedure, repair that DTC first, then check Table 2 below. Result Result Proceed to P0A7A-122 only is output. A Any of the following DTCs are also output. B TABLE 1 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 279, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 344, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A92-521 Hybrid Generator Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-803 Power Cable Malfunction TABLE 2 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72-333 Generator Phase V Current P0A75-341 Generator Phase W Current P0A78-266, 267, 279, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-803 Power Cable Malfunction HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A7A-122 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 38 A: Go to next step
  4. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  6. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 19 OK: Go to next step
  7. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  8. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 21 OK: Go to next step
  9. CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 9 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  10. CHECK INVERTER WITH CONVERTER ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 10 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  11. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1) See step 11 NG --> See step 26 OK: Go to next step
  12. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) See step 12 NG --> See step 28 OK: Go to next step
  13. CHECK FUSE (PCU) See step 13 NG --> See step 23 OK: Go to next step
  14. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY POWER SOURCE CIRCUIT) See step 14 NG --> REPAIR OR REPLACE POWER SOURCE CIRCUIT OK: Go to next step
  15. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INVERTER WITH CONVERTER) See step 15 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  16. CHECK POWER MANAGEMENT CONTROL ECU See step 16 NG --> See step 34 OK: Go to next step
  17. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  18. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 33
  19. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  20. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 31
  21. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  22. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 39
  23. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - PCU FUSE) See step 23 NG --> See step 25 OK: Go to next step
  24. REPLACE INVERTER WITH CONVERTER ASSEMBLY See step 29 NEXT --> REPLACE FUSE (PCU)
  25. REPAIR OR REPLACE HARNESS OR CONNECTOR NEXT --> REPLACE FUSE (PCU)
  26. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 26 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  27. CHECK GENERATOR CABLE See step 27 NG --> See step 36 OK --> See step 31
  28. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 28 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  29. CHECK MOTOR CABLE See step 29 NG --> See step 37 OK --> See step 39
  30. GO TO DTC CHART (P0A7A-203). Refer to «DTC P0A7A-203: Generator Inverter Performance»(ref-568754-S25923080412013072300000)
  31. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  32. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  33. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  34. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «COMPONENTS»(ref-568756-S05695655832013072300000)
  35. GO TO DTC CHART (HYBRID BATTERY SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568752-S42743818862013072300000)
  36. REPLACE GENERATOR CABLE. Refer to «COMPONENTS»(ref-568724-S11582543052013072300000)
  37. REPLACE MOTOR CABLE. Refer to «COMPONENTS»(ref-568724-S14684997332013072300000)
  38. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  39. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
Related DTCsP0A7A (INF 130): Generator inverter abnormal current
Required sensors / componentsGenerator inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A7A (INF 130) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A7A-203 is not output A P0A7A-203 is also output B NOTE: If P0A7A-203 is output, troubleshoot it first. After completing the troubleshooting for P0A7A-203, return to perform troubleshooting for this DTC. Parts repaired or replaced during troubleshooting for P0A7A-203 do not need to be re-inspected in this diagnosis procedure. Turn the power switch off. B --> See step 29 A: Go to next step
  2. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. HINT: If P0A7A-203 was not output in step 1 of this diagnosis procedure, check Table 1 below. If P0A7A-203 was output in step 1 of this diagnosis procedure, repair that DTC first, then check Table 2 below. Result Result Proceed to P0A7A-130 only is output. A Any of the following DTCs are also output. B TABLE 1 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 279, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 344, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A92-521 Hybrid Generator Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-803 Power Cable Malfunction TABLE 2 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72-333 Generator Phase V Current P0A75-341 Generator Phase W Current P0A78-266, 267, 279, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0ADB-227 Hybrid Battery Positive Contactor Control Circuit Low P0ADC-226 Hybrid Battery Positive Contactor Control Circuit High P0ADF-229 Hybrid Battery Negative Contactor Control Circuit Low P0AE0-228 Hybrid Battery Negative Contactor Control Circuit High P0C76-523 Hybrid Battery System Discharge Time Too Long P3004-803 Power Cable Malfunction HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A7A-130 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output. Turn the power switch off. B --> See step 31 A: Go to next step
  3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 18 OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  7. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 20 OK: Go to next step
  8. CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 9 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  9. CHECK INVERTER WITH CONVERTER ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 10 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  10. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1) See step 11 NG --> See step 25 OK: Go to next step
  11. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) See step 12 NG --> See step 27 OK: Go to next step
  12. CHECK FUSE (PCU) See step 13 NG --> See step 22 OK: Go to next step
  13. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY POWER SOURCE CIRCUIT) See step 14 NG --> REPAIR OR REPLACE POWER SOURCE CIRCUIT OK: Go to next step
  14. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INVERTER WITH CONVERTER) See step 15 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  15. CHECK POWER MANAGEMENT CONTROL ECU See step 16 NG --> See step 33 OK: Go to next step
  16. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  17. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 32
  18. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  19. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 30
  20. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  21. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 36
  22. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - PCU FUSE) See step 23 NG --> See step 24 OK: Go to next step
  23. REPLACE INVERTER WITH CONVERTER ASSEMBLY See step 29 NEXT --> REPLACE FUSE (PCU)
  24. REPAIR OR REPLACE HARNESS OR CONNECTOR NEXT --> REPLACE FUSE (PCU)
  25. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 26 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  26. CHECK GENERATOR CABLE See step 27 NG --> See step 34 OK --> See step 30
  27. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 28 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  28. CHECK MOTOR CABLE See step 29 NG --> See step 35 OK --> See step 36
  29. GO TO DTC CHART (P0A7A-203). Refer to «DTC P0A7A-203: Generator Inverter Performance»(ref-568754-S25923080412013072300000)
  30. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  31. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  32. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  33. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «COMPONENTS»(ref-568756-S05695655832013072300000)
  34. REPLACE GENERATOR CABLE. Refer to «COMPONENTS»(ref-568724-S11582543052013072300000)
  35. REPLACE MOTOR CABLE. Refer to «COMPONENTS»(ref-568724-S14684997332013072300000)
  36. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
Related DTCsP0A7A (INF 203): GFIV detection (Short circuit malfunction)
Required sensors / componentsGenerator inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A7A (INF 203) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
Related DTCsP0A7A (INF 322): GFIV detection (Overheat malfunction)
Required sensors / componentsGenerator inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A7A (INF 322) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A7A-203 is not output A P0A7A-203 is also output B NOTE: If P0A7A-203 is output, troubleshoot it first. After completing the troubleshooting for P0A7A-203, return to perform troubleshooting for this DTC. Parts repaired or replaced during troubleshooting for P0A7A-203 do not need to be re-inspected in this diagnosis procedure. Turn the power switch off. B --> See step 39 A: Go to next step
  2. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. HINT: If P0A7A-203 was not output in step 1 of this diagnosis procedure, check Table 1 below. If P0A7A-203 was output in step 1 of this diagnosis procedure, repair that DTC first, then check Table 2 below. Result Result Proceed to P0A7A-322 only is output. A Any of the following DTCs are also output. B TABLE 1 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-266, 267, 279, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 344, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A92-521 Hybrid Generator Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P314A-828 Inverter Coolant Pump Speed Signal TABLE 2 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72-333 Generator Phase V Current P0A75-341 Generator Phase W Current P0A78-266, 267, 279, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-325, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P314A-828 Inverter Coolant Pump Speed Signal HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A7A-322 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. After troubleshooting and repairing all output DTCs, be sure to replace the inverter with converter assembly. Turn the power switch off. B --> See step 41 A: Go to next step
  3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK: Go to next step
  4. CHECK QUANTITY OF HV COOLANT. Refer to «PROCEDURE - Step 3»(ref-568753-S33128318392013072300000) B --> ADD HV COOLANT C --> INSPECT FOR COOLANT LEAK AND ADD COOLANT A: Go to next step
  5. CHECK COOLANT HOSE. Refer to «PROCEDURE - Step 4»(ref-568753-S33128318392013072300000) NG --> CORRECT THE PROBLEM OK: Go to next step
  6. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE ELECTRIC COOLING FAN). Refer to «PROCEDURE - Step 5»(ref-568753-S33128318392013072300000) NG --> See step 40 OK: Go to next step
  7. CHECK HV COOLANT (CHECK FOR CONDITIONS THAT MAY HAVE CAUSED FREEZING). Refer to «PROCEDURE - Step 17»(ref-568753-S17960515452013072300000) B --> See step 33 A: Go to next step
  8. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  9. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 22 OK: Go to next step
  10. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  11. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 24 OK: Go to next step
  12. CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 9 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  13. CHECK INVERTER WITH CONVERTER ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 10 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  14. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1) See step 11 NG --> See step 29 OK: Go to next step
  15. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) See step 12 NG --> See step 31 OK: Go to next step
  16. CHECK FUSE (PCU) See step 13 NG --> See step 26 OK: Go to next step
  17. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY POWER SOURCE CIRCUIT) See step 14 NG --> REPAIR OR REPLACE POWER SOURCE CIRCUIT OK: Go to next step
  18. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INVERTER WITH CONVERTER) See step 15 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  19. CHECK POWER MANAGEMENT CONTROL ECU See step 16 NG --> See step 38 OK: Go to next step
  20. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  21. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 37
  22. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  23. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 35
  24. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  25. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 44
  26. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - PCU FUSE) See step 23 NG --> See step 28 OK: Go to next step
  27. REPLACE INVERTER WITH CONVERTER ASSEMBLY See step 29 NEXT --> REPLACE FUSE (PCU)
  28. REPAIR OR REPLACE HARNESS OR CONNECTOR NEXT --> REPLACE FUSE (PCU)
  29. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 26 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  30. CHECK GENERATOR CABLE See step 27 NG --> See step 42 OK --> See step 35
  31. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 28 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  32. CHECK MOTOR CABLE See step 29 NG --> See step 43 OK --> See step 44
  33. REPLACE HV COOLANT. Refer to «PROCEDURE - Step 7»(ref-568753-S33128318392013072300000) NEXT: Go to next step
  34. CHECK INVERTER WATER PUMP ASSEMBLY. Refer to «PROCEDURE - Step 8»(ref-568753-S33128318392013072300000) NG --> See step 36 OK --> COMPLETED
  35. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  36. REPLACE INVERTER WATER PUMP ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S04615029752013072300000)
  37. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  38. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «COMPONENTS»(ref-568756-S05695655832013072300000)
  39. GO TO DTC CHART (P0A7A-203). Refer to «DTC P0A7A-203: Generator Inverter Performance»(ref-568754-S25923080412013072300000)
  40. CHECK COOLING FAN SYSTEM. Refer to «Cooling Fan Circuit»(ref-568758-S10256696072013072300000)
  41. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  42. REPLACE GENERATOR CABLE. Refer to «COMPONENTS»(ref-568724-S11582543052013072300000)
  43. REPLACE MOTOR CABLE. Refer to «COMPONENTS»(ref-568724-S14684997332013072300000)
  44. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
Related DTCsP0A7A (INF 324): GFIV detection (Circuit malfunction)
Required sensors / componentsGenerator inverter
Frequency of operationContinuous
DurationTMC's intellectual property
MIL operation1 driving cycle
Sequence of operationNone
The monitor will run whenever the following DTCs are not presentTMC's intellectual property
Other conditions belong to TMC's intellectual property
TMC's intellectual property
Power management control ECU (HV CPU)DTC P0A7A (INF 324) is not detected
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (IG) and check that there are no abnormalities (abnormal sounds, coolant leaks, DTC output, etc).
  6. Turn the power switch on (READY) and turn the Techstream on. [A]
  7. With park (P) selected, wait for several seconds.
  8. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. [B]
  9. Check that permanent DTCs are cleared.
  10. If the permanent DTCs are not cleared, perform a universal trip, and then check for permanent DTCs again.

HINT

  1. If a permanent DTC is output, the system is malfunctioning.
  2. If no permanent DTC is output, the system is normal.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. Result Result Proceed to P0A7A-203 is not output A P0A7A-203 is also output B NOTE: If P0A7A-203 is output, troubleshoot it first. After completing the troubleshooting for P0A7A-203, return to perform troubleshooting for this DTC. Parts repaired or replaced during troubleshooting for P0A7A-203 do not need to be re-inspected in this diagnosis procedure. Turn the power switch off. B --> See step 39 A: Go to next step
  2. CHECK DTC OUTPUT (HYBRID CONTROL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check if DTCs are output. HINT: If P0A7A-203 was not output in step 1 of this diagnosis procedure, check Table 1 below. If P0A7A-203 was output in step 1 of this diagnosis procedure, repair that DTC first, then check Table 2 below. Result Result Proceed to P0A7A-324 only is output. A Any of the following DTCs are also output. B TABLE 1 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72 (all INF codes)*1 Generator Phase V Current P0A75 (all INF codes)*1 Generator Phase W Current P0A78-113, 128, 266, 267, 279, 284, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-122, 130, 322, 325, 344, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A92-521 Hybrid Generator Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P314A-828 Inverter Coolant Pump Speed Signal TABLE 2 DTC No. Relevant Diagnosis P0A1A (all INF codes)*1 Generator Control Module P0A1B (all INF codes)*1 Drive Motor "A" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range/Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range/Performance P0A4D-255 Generator Position Sensor Circuit Low P0A60 (all INF codes)*1 Drive Motor "A" Phase V Current P0A63 (all INF codes)*1 Drive Motor "A" Phase W Current P0A72-333 Generator Phase V Current P0A75-341 Generator Phase W Current P0A78-113, 128, 266, 267, 279, 284, 287, 306, 503, 504, 505, 506, 586, 806, 807, 808 Drive Motor "A" Inverter Performance P0A7A-122, 130, 322, 325, 517, 518, 809, 810, 811 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A94-442, 547, 548, 549, 554, 555, 556, 585, 587, 589, 590 DC/DC Converter Performance P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P314A-828 Inverter Coolant Pump Speed Signal HINT: *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure. P0A7A-324 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. After troubleshooting and repairing all output DTCs, be sure to replace the inverter with converter assembly. Turn the power switch off. B --> See step 37 A: Go to next step
  3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR). Refer to «PROCEDURE - Step 4»(ref-568753-S00244069702013072300000) NG --> CONNECT SECURELY OK: Go to next step
  4. CHECK QUANTITY OF HV COOLANT. Refer to «PROCEDURE - Step 3»(ref-568753-S33128318392013072300000) B --> ADD HV COOLANT C --> INSPECT FOR COOLANT LEAK AND ADD COOLANT A: Go to next step
  5. CHECK COOLANT HOSE. Refer to «PROCEDURE - Step 4»(ref-568753-S33128318392013072300000) NG --> CORRECT THE PROBLEM OK: Go to next step
  6. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE ELECTRIC COOLING FAN). Refer to «PROCEDURE - Step 5»(ref-568753-S33128318392013072300000) NG --> See step 38 OK: Go to next step
  7. CHECK HV COOLANT (CHECK FOR CONDITIONS THAT MAY HAVE CAUSED FREEZING). Refer to «PROCEDURE - Step 17»(ref-568753-S17960515452013072300000) B --> See step 33 A: Go to next step
  8. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 3»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  9. CHECK GENERATOR RESOLVER. Refer to «PROCEDURE - Step 4»(ref-568753-S29934334592013072300000) NG --> See step 22 OK: Go to next step
  10. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 5»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  11. CHECK MOTOR RESOLVER. Refer to «PROCEDURE - Step 6»(ref-568753-S29934334592013072300000) NG --> See step 24 OK: Go to next step
  12. CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 9 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  13. CHECK INVERTER WITH CONVERTER ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 10 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  14. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1) See step 11 NG --> See step 29 OK: Go to next step
  15. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) See step 12 NG --> See step 31 OK: Go to next step
  16. CHECK FUSE (PCU) See step 13 NG --> See step 26 OK: Go to next step
  17. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY POWER SOURCE CIRCUIT) See step 14 NG --> REPAIR OR REPLACE POWER SOURCE CIRCUIT OK: Go to next step
  18. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INVERTER WITH CONVERTER) See step 15 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  19. CHECK POWER MANAGEMENT CONTROL ECU See step 16 NG --> See step 36 OK: Go to next step
  20. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 7»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  21. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 8»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK --> See step 35
  22. CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 9»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  23. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER). Refer to «PROCEDURE - Step 10»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 41
  24. CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR). Refer to «PROCEDURE - Step 11»(ref-568753-S29934334592013072300000) NG --> CONNECT SECURELY OK: Go to next step
  25. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER). Refer to «PROCEDURE - Step 12»(ref-568753-S29934334592013072300000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 44
  26. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - PCU FUSE) See step 23 NG --> See step 28 OK: Go to next step
  27. REPLACE INVERTER WITH CONVERTER ASSEMBLY See step 29 NEXT --> REPLACE FUSE (PCU)
  28. REPAIR OR REPLACE HARNESS OR CONNECTOR NEXT --> REPLACE FUSE (PCU)
  29. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION) See step 26 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  30. CHECK GENERATOR CABLE See step 27 NG --> See step 42 OK --> See step 41
  31. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MOTOR CABLE CONNECTION CONDITION) See step 28 B --> REPLACE MALFUNCTIONING PARTS C --> CONNECT SECURELY A: Go to next step
  32. CHECK MOTOR CABLE See step 29 NG --> See step 43 OK --> See step 44
  33. REPLACE HV COOLANT. Refer to «PROCEDURE - Step 7»(ref-568753-S33128318392013072300000) NEXT: Go to next step
  34. CHECK INVERTER WATER PUMP ASSEMBLY. Refer to «PROCEDURE - Step 8»(ref-568753-S33128318392013072300000) NG --> See step 40 OK --> COMPLETED
  35. REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S25628699442013072300000)
  36. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «COMPONENTS»(ref-568756-S05695655832013072300000)
  37. GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-568739-S34469312312013072300000)
  38. CHECK COOLING FAN SYSTEM. Refer to «Cooling Fan Circuit»(ref-568758-S10256696072013072300000)
  39. GO TO DTC CHART (P0A7A-203). Refer to «DTC P0A7A-203: Generator Inverter Performance»(ref-568754-S25923080412013072300000)
  40. REPLACE INVERTER WATER PUMP ASSEMBLY. Refer to «COMPONENTS»(ref-568590-S04615029752013072300000)
  41. REPLACE HYBRID VEHICLE GENERATOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)
  42. REPLACE GENERATOR CABLE. Refer to «COMPONENTS»(ref-568724-S11582543052013072300000)
  43. REPLACE MOTOR CABLE. Refer to «COMPONENTS»(ref-568724-S14684997332013072300000)
  44. REPLACE HYBRID VEHICLE MOTOR ASSEMBLY. Refer to «COMPONENTS»(ref-568724-S20196117312013072300000)

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