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Smart Key System (For Start Function) (Diagnostic Codes & Symptom Tests) (Base): Diagnosis Toyota Prius Plug-in

Starter 10 illustrations ~4283 words

INSPECTION PROCEDURE

Note. When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Scheme 37

Scheme 37: PROCEDURE
Scheme 37: PROCEDURE

Scheme 38

Scheme 38
Scheme 38

Scheme 39

Scheme 39
Scheme 39
  1. CHECK HARNESS AND CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) Disconnect the L5 and L6 connectors from the power management control ECU. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition L5-1 (AM22) - Body ground Always 9.5 to 16 V L6-7 (AM21) - Body ground Always 9.5 to 16 V NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L5-5 (E01) - Body ground Always Below 1 ohms L5-6 (E1) - Body ground Always Below 1 ohms L6-4 (E12) - Body ground Always Below 1 ohms L6-5 (E02) - Body ground Always Below 1 ohms NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. INSPECT IG2 RELAY Remove the engine room relay block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1A-2 - 1A-3 20°C (68°F) 130 to 230 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Engine Room Relay Block) NG --> REPLACE IG2 RELAY OK: Go to next step
  4. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (IG1 NO. 1, IG1 NO. 2 AND IG1 NO. 3 RELAYS) Remove the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2B-25 - 2B-4 20°C (68°F) 101.25 to 123.75 ohms 2B-25 - 2B-6 20°C (68°F) 101.25 to 123.75 ohms 2B-4 - 2B-6 Always Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 10 OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INSTRUMENT PANEL J/B) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L6-2 (IG1D) - 2B-25 Always Below 1 ohms L6-2 (IG1D) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2B-4 - Body ground Always Below 1 ohms 2B-6 - Body ground Always Below 1 ohms NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  7. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - IG2 RELAY) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A22-2 (IG2D) - 1A-2 Always Below 1 ohms A22-2 (IG2D) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - IG2 RELAY) OK: Go to next step
  8. CHECK HARNESS AND CONNECTOR (ENGINE ROOM RELAY BLOCK ASSEMBLY - BODY GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 1A-3 - Body ground Always Below 1 ohms NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (ENGINE ROOM RELAY BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  9. CHECK POWER MANAGEMENT CONTROL ECU Install the instrument panel junction block assembly. Install the engine room relay block. Reconnect the A22 and L6 connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition A22-2 (IG2D) - Body ground Power switch on (IG) Output voltage at terminal AM21 or AM22 is -2.5 V or more L6-2 (IG1D) - Body ground Power switch on (IG) Output voltage at terminal AM21 or AM22 is -2.5 V or more TEXT IN ILLUSTRATION *1 Component with harness connected (Power Management Control ECU) NG --> See step 11 OK --> See step 12
  10. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL»(ref-551547-S09011097312013051500000)
  11. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-551547-S32786700162013051500000)
  12. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-551389-S26665480372013051500000)

Note. When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Scheme 40

Scheme 40: PROCEDURE
Scheme 40: PROCEDURE

Scheme 41

Scheme 41
Scheme 41
  1. CHECK HARNESS AND CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Remove the instrument panel junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 2A-43 - 2B-4 20°C (68°F) 101.25 to 123.75 ohms 2A-43 - 2B-6 20°C (68°F) 101.25 to 123.75 ohms 2B-4 - 2B-6 Always Below 1 ohms TEXT IN ILLUSTRATION *1 Component without harness connected (Instrument Panel Junction Block Assembly) NG --> See step 7 OK: Go to next step
  4. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - INSTRUMENT PANEL J/B) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L6-1 (ACCD) - 2A-43 Always Below 1 ohms L6-1 (ACCD) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) Measure the resistance according to the value(s) the table below. Standard Resistance Tester Connection Condition Specified Condition 2B-4 - Body ground Always Below 1 ohms 2B-6 - Body ground Always Below 1 ohms NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) OK: Go to next step
  6. INSPECT POWER MANAGEMENT CONTROL ECU Reinstall the instrument panel junction block assembly. Reconnect the L5 and L6 connectors. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition L6-1 (ACCD) - Body ground Power switch on (ACC) Output voltage at terminal AM21 or AM22 is -2.5 V or more TEXT IN ILLUSTRATION *1 Component with harness connected (Power Management Control ECU) NG --> See step 8 OK --> See step 9
  7. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL»(ref-551547-S32786700162013051500000)
  8. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-551547-S32786700162013051500000)
  9. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-551389-S26665480372013051500000)

Note. When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes the on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Note. When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored.

Note. When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Scheme 42

Scheme 42: PROCEDURE
Scheme 42: PROCEDURE
  1. CHECK CAN COMMUNICATION SYSTEM Check if CAN communication DTCs are output. HINT: If any DTCs for CAN communication system malfunction are output, inspect those DTCs first. OK CAN communication DTC is not output. NG --> See step 10 OK: Go to next step
  2. CHECK SPEEDOMETER OPERATION Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Combination Meter / Data List. Check the Data List for proper functioning of the vehicle speed signal. COMBINATION METER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Vehicle Speed Meter Vehicle speed/Min.: 0, Max.: 255 Almost same as actual speed (When driving) - OK Vehicle speed displayed on the Techstream is almost the same as the actual vehicle speed measured using a speedometer tester (calibrated chassis dynamometer). NG --> See step 11 OK: Go to next step
  3. READ VALUE USING TECHSTREAM Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Vehicle speed signal Vehicle speed signal/Stop or Run Stop: Vehicle stopped Run: Vehicle running - OK Stop (vehicle is stopped) and Run (vehicle is running) appear on the screen. NG --> See step 4 OK --> See step 12
  4. CHECK HARNESS AND CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  6. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - POWER MANAGEMENT CONTROL ECU) Disconnect the L27 connector from the combination meter assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L5-14 (SPDI) - L27-7 (+S) Always Below 1 ohms L5-14 (SPDI) - Body ground Always 10 kohms or higher NG --> See step 8 OK: Go to next step
  7. INSPECT COMBINATION METER ASSEMBLY Remove the combination meter. Refer to «REMOVAL»(ref-551538-S28952065262013051500000) . Reconnect the L27 connector to the combination meter assembly. Reconnect the L5 connector to the power management control ECU. Connect an oscilloscope to terminal L27-7 (+S) and body ground. Turn the power switch on (IG). Turn the wheel slowly. Check the signal waveform according to the condition(s) in the table below. Item Condition Tool setting 5 V/DIV., 20 ms./DIV. Vehicle condition Driving at approx. 20 km/h (12 mph) OK The waveform is displayed as shown in the illustration. TEXT IN ILLUSTRATION *1 Component with harness connected (Combination Meter Assembly) HINT: When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows. NG --> See step 13 OK --> See step 14
  8. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NO. 3 JUNCTION BLOCK) Disconnect the 3A connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L27-7 (+S) - 3A-26 Always Below 1 ohms L27-7 (+S) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (COMBINATION METER - NO. 3 JUNCTION BLOCK) OK: Go to next step
  9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - JUNCTION BLOCK) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition L5-14 (SPDI) - 3A-2 Always Below 1 ohms L5-14 (SPDI) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - NO. 3 JUNCTION BLOCK) OK --> REPLACE NO. 3 JUNCTION BLOCK
  10. GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-551537-S14856779332013051500000)
  11. GO TO METER / GAUGE SYSTEM (Speedometer Malfunction). Refer to «Speedometer Malfunction»(ref-551586-S10617111812013051500000)
  12. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-551547-S32786700162013051500000)
  13. GO TO METER / GAUGE SYSTEM (Speed Signal Circuit). Refer to «Speed Signal Circuit»(ref-551586-S19557789222013051500000)
  14. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-551547-S32786700162013051500000)

Note. When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored. Inspect the fuse for circuits related to this system before performing the following inspection procedure.

HINT

Check the connector connection to the terminal to make sure that there is no abnormality such as a loose connection, deformation, etc.

Scheme 43

Scheme 43: PROCEDURE
Scheme 43: PROCEDURE

Scheme 44

Scheme 44
Scheme 44
  1. CHECK HARNESS AND CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - POWER SOURCE AND BODY GROUND) Disconnect the A67 connector from the stop light switch assembly. Measure the voltage and resistance according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition A67-1 (B) - A67-3 (GND) Always 11 to 14 V Standard Resistance Tester Connection Condition Specified Condition A67-3 (GND) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Stop Light Switch Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. CHECK STOP LIGHT SWITCH ASSEMBLY Reconnect the A67 connector to the stop light switch assembly. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition A67-2 (L) - A67-3 (GND) Power switch off, brake pedal not depressed Below 1 V A67-2 (L) - A67-3 (GND) Power switch off, brake pedal depressed 11 to 14 V TEXT IN ILLUSTRATION *a Component with harness connected (Stop Light Switch Assembly) NG --> REPLACE STOP LIGHT SWITCH ASSEMBLY OK: Go to next step
  5. CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - POWER MANAGEMENT CONTROL ECU) Disconnect the A22 connector from the power management control ECU. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A22-23 (STP) - A67-2 (L) Always Below 1 ohms A22-23 (STP) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
  6. READ VALUE USING TECHSTREAM (STOP LIGHT SWITCH ASSEMBLY) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Specified Condition Stop Light Switch1 Stop light switch1/ON or OFF ON: Brake pedal depressed OFF: Brake pedal released - OK ON (brake pedal is depressed) and OFF (brake pedal is released) appear on the screen. NG --> See step 7 OK --> See step 8
  7. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-551547-S32786700162013051500000)
  8. GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM (DTC C1249/49). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-551398-S03832604462013051500000)

Note. When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT

Check the connector connection to the terminal to make sure that there is no abnormality such as a loose connection, deformation, etc.

Note. When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is reinstalled.

Note. When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, power source mode that was selected when the auxiliary battery was removed is restored. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Scheme 45

Scheme 45: PROCEDURE
Scheme 45: PROCEDURE

Scheme 46

Scheme 46
Scheme 46
  1. CHECK HYBRID SYSTEM READY ON Place the electrical key on the driver seat. Depress the brake pedal. Check that the power switch indicator light is green. Then press the power switch to check if the hybrid system turns on (READY). OK Power source mode becomes on (READY). NG --> See step 2 OK --> END (HYBRID SYSTEM PERMISSION CONDITIONS WERE NOT SATISFIED)
  2. CHECK FOR DTC Turn the power switch off. Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Hybrid Control / DTC. Check for DTCs. OK DTC is not output. NG --> See step 18 OK: Go to next step
  3. CHECK FOR DTC Enter the following menus: Body Electrical / Power Source Control / Data List. Check for DTCs. OK DTC is not output. NG --> See step 19 OK: Go to next step
  4. CHECK POWER SOURCE CONDITION Check the power source mode change. When the key is inside the vehicle and the park (P) is selected, check that pressing the power switch causes the power source mode to change. Result Result Proceed to off --> on (ACC) --> on (IG) --> off A Power source mode does not change to on (IG and ACC) B Power source mode does not change to on (IG) C Power source mode does not change to on (ACC) D B --> See step 20 C --> See step 21 D --> See step 22 A: Go to next step
  5. READ VALUE USING TECHSTREAM (STOP LIGHT SWITCH ASSEMBLY) Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Stop Light Switch1 Stop light switch 1/ON or OFF ON: Brake pedal depressed OFF: Brake pedal released - OK ON (brake pedal is depressed) and OFF (brake pedal is released) appear on the screen. NG --> See step 11 OK: Go to next step
  6. READ VALUE USING TECHSTREAM (L CODE) Enter the following menus: Body Electrical / Smart Key / Data List. Read the Data List according to the display on the Techstream. SMART KEY Tester Display Measurement Item/Range Normal Condition Diagnostic Note L Code Check L code certification result/OK or NG OK: L code certification result normal NG: L code certification result abnormal - OK OK appears on the screen. NG --> See step 14 OK: Go to next step
  7. READ VALUE USING TECHSTREAM (ENGINE START REQUEST) Read the Data List according to the display on the Techstream. SMART KEY Tester Display Measurement Item/Range Normal Condition Diagnostic Note Engine Start Request Start request signal response/OK or NG OK: Start request condition signal received NG: Start request condition signal not received - OK OK appears on the screen. Result Result Proceed to OK (for Canada) A OK (except Canada) B NG C B --> See step 10 C --> See step 14 A: Go to next step
  8. READ VALUE USING TECHSTREAM (S CODE) Read the Data List according to the display on the Techstream. SMART KEY Tester Display Measurement Item/Range Normal Condition Diagnostic Note S Code Check S code certification result/OK or NG OK: S code certification result normal NG: S code certification result abnormal - OK OK appears on the screen. NG --> See step 16 OK: Go to next step
  9. CHECK ID CODE BOX (IMMOBILIZER CODE ECU) Measure the voltage according to the value(s) in the table below. Waveform 1 Tester Connection L6-20 (IMO) - L5-6 (E1) Tool Setting 5 V/DIV., 500 ms/DIV Vehicle Condition Within 3 seconds after power switch on (READY), or within 3 seconds after power switch first turned on (IG) after battery disconnected and connected Waveform 2 Tester Connection L6-21 (IMI) - L5-6 (E1) Tool Setting 5 V/DIV., 50 ms/DIV Vehicle Condition Power switch on (IG) OK The waveform is displayed as shown in illustration. TEXT IN ILLUSTRATION *1 Component with harness connected (Power Management Control ECU) NG --> REPLACE ID CODE BOX (IMMOBILIZER CODE ECU) OK: Go to next step
  10. READ VALUE USING TECHSTREAM Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Starter Request Signal Hybrid control system start request signal / ON or OFF ON: STSW signal is on OFF: STSW signal is off - OK Data List display changes when the power switch is operated. NG --> See step 23 OK --> See step 24
  11. CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - POWER SOURCE AND BODY GROUND) Disconnect the A67 connector from the stop light switch assembly. Measure the voltage and resistance according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition A67-1 (B) - A67-3 (GND) Always 11 to 14 V Standard Resistance Tester Connection Condition Specified Condition A67-3 (GND) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Stop Light Switch Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  12. CHECK STOP LIGHT SWITCH ASSEMBLY Reconnect the A67 connector to the stop light switch assembly. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition A67-2 (L) - A67-3 (GND) Power switch off, brake pedal not depressed Below 1 V A67-2 (L) - A67-3 (GND) Power switch off, brake pedal depressed 11 to 14 V TEXT IN ILLUSTRATION *a Component with harness connected (Stop Light Switch Assembly) NG --> See step 25 OK: Go to next step
  13. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - STOP LIGHT SWITCH ASSEMBLY) Disconnect the A22 connector from the power management control ECU. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A22-23 (STP) - A67-2 (L) Always Below 1 ohms A22-23 (STP)- Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - STOP LIGHT SWITCH ASSEMBLY) OK --> See step 26
  14. REPLACE TRANSMISSION CONTROL ECU ASSEMBLY Replace transmission control ECU assembly. Refer to «REMOVAL»(ref-551515-S17147660172013051500000) . NEXT: Go to next step
  15. CHECK HYBRID SYSTEM READY ON Place the electrical key on the driver seat. Depress the brake pedal. Check that the power switch indicator light is green. Then press the power switch to check if the hybrid system turns on (READY). OK Power source mode becomes on (READY). Result Result Proceed to OK A NG (for Canada) B NG (except Canada) C B --> REPLACE ID CODE BOX (IMMOBILIZER CODE ECU) C --> REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) A --> END (TRANSMISSION CONTROL ECU WAS DEFECTIVE)
  16. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) Replace certification ECU (smart key ECU assembly). NEXT: Go to next step
  17. CHECK HYBRID SYSTEM READY ON Place the electrical key on the driver seat. Depress the brake pedal. Check that the power switch indicator light is green. Then press the power switch to check if the hybrid system turns on (READY). OK Power source mode becomes on (READY). NG --> REPLACE ID CODE BOX (IMMOBILIZER CODE ECU) OK --> END (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) WAS DEFECTIVE)
  18. GO TO HYBRID CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART). Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-551528-S02063632622013051500000)
  19. GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-551394-S35715118682013051500000)
  20. GO TO OTHER FLOW CHART (Power Source Mode does not Change to ON (IG and ACC)). Refer to «Power Source Mode does not Change to ON (IG and ACC)»(ref-551616-S02993444442013051500000)
  21. GO TO OTHER FLOW CHART (Power Source Mode does not Change to ON (IG)). Refer to «Power Source Mode does not Change to ON (IG)»(ref-551616-S38832415702013051500000)
  22. GO TO OTHER FLOW CHART (Power Source Mode does not Change to ON (ACC)). Refer to «Power Source Mode does not Change to ON (ACC)»(ref-551616-S06212971982013051500000)
  23. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-551547-S32786700162013051500000)
  24. GO TO HYBRID CONTROL SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-551528-S16323862762013051500000)
  25. REPLACE STOP LIGHT SWITCH ASSEMBLY. Refer to «REMOVAL»(ref-551554-S12546556142013051500000)
  26. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL»(ref-551547-S32786700162013051500000)

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