Contents Section: Automatic Trans All sections

Automatic Transaxle System: Diagnosis Kia Sorento I рестайлинг

Automatic Trans 65 illustrations ~7002 words

INSPECTION

  1. Drive the vehicle until the fluid reaches normal operating temperature [70-80°C (158-176°F)].
  2. Place the vehicle on a level surface.
  3. Move the gear selector lever through all gear positions. This will fill the torque converter with trans fluid. Set the selector lever to the "N" (Neutral) position.
  4. Before removing the oil level gauge, wipe all contaminants from around the oil level gauge. Then take out the oil level gauge and check the condition of the fluid. NOTE: If the fluid smells as if it is burning, it means that the fluid has been contaminated by fine particles from the bushes and friction materials, a transmission overhaul may be necessary.
  5. Check that the fluid level is in the "HOT" mark on the oil level gauge. If fluid level is low, add automatic transaxle fluid until the level reaches the "HOT" mark. Automatic transaxle fluid : APOLLOIL ATF RED-1K ATF capacity: 10L (10.57 US qt, 8.8 Imp. qt) NOTE: Low fluid level can cause a variety of abnormal conditions because it allows the pump to take in air along with fluid. Air trapped in the hydraulic system forms bubbles, which are compressible. Therefore, pressures will be erratic, causing delayed shifting, slipping clutches and brakes, etc. Improper filling can also raise fluid level too high. When the transaxle has too much fluid, gears churn up foam and cause the same conditions which occur with low fluid level, resulting in accelerated deterioration of automatic transaxle fluid. In either case, air bubbles can cause overheating, and fluid oxidation, which can interfere with normal valve, clutch, and brake operation. Foaming can also result in fluid escaping from the transaxle vent where it may be mistaken for a leak.
  6. Insert the oil level gauge securely. NOTE: When new, automatic transmission fluid should be red, The red dye is added so the assembly plant can identify it as transmission fluid and distinguish it from engine oil or antifreeze. The red dye, which is not an indicator of fluid quality, is not permanent. As the vehicle is driven the transmission fluid will begin to look darker. The color may eventually appear light brown.

DIAGNOSTIC TROUBLE CODES (INSPECTION PROCEDURE)

Check the Diagnostic Trouble Codes

  1. Turn the ignition switch to OFF.
  2. Connect the Hi-scan tool to the DLC connector for diagnosis.
  3. Turn the ignition switch to ON.
  4. Check the diagnostic trouble codes using the Hi-scan tool.
  5. Read the output diagnostic trouble codes. Then follow the remedy procedures according to the "DIAGNOSTIC TROUBLE CODE DESCRIPTION". NOTE: A maximum of 10 diagnostic trouble codes (in the sequence of occurrence) can be stored in the Random Access Memory (RAM) incorporated within the control module. The same diagnostic trouble code can be stored one time only. If the number of stored diagnostic trouble codes or diagnostic trouble patterns exceeds 10, already stored diagnostic trouble codes will be erased in sequence, beginning with the oldest. If the same trouble code does not occur during 40 times continuously, memorized trouble code would be deleted automatically when the ATF temperature reaches 50°C (122°F).
  6. Delete the diagnostic trouble code.
  7. Disconnect the Hi-scan tool. NOTE: DTC cleaning should only be done with the scan tool.

DIAGNOSTIC TROUBLE CODE TABLE

No.CodeItemMIL
1P0601INTERNAL CONTROL MODULE MEMORY CHECK SUM ERROR
2P0641SENSOR REFERENCE VOLTAGE "A" CIRCUIT - OPEN
3P0705TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRND Input)
4P0711TRANSMISSION FLUID TEMPERATURE SENSOR A RATIONALITY
5P0712TRANSMISSION FLUID TEMPERATURE SENSOR A STUCK OFF (HIGH INPUT)
6P0713TRANSMISSION FLUID TEMPERATURE SENSOR A STUCK ON (LOW INPUT)
7P0716A/T INPUT SPEED SENSOR CIRCUIT - OPEN or SHORT (GND)
8P0717A/T INPUT SPEED SENSOR CIRCUIT - NO SIGNAL
9P0721A/T OUTPUT SPEED SENSOR CIRCUIT - OPEN or SHORT (GND)
10P0731GEAR 1 INCORRECT RATIO
11P0732GEAR 2 INCORRECT RATIO
12P0733GEAR 3 INCORRECT RATIO
13P0734GEAR 4 INCORRECT RATIO
14P0735GEAR 5 INCORRECT RATIO
15P0741TORQUE CONVERTER CLUTCH STUCK OFF
16P0743TCC CONTROL SOLENOID VALVE CIRCUIT - OPEN or SHORT (GND)
17P0748PRESSURE CONTROL SOLENOID VALVE-A CIRCUIT - OPEN or SHORT (GND)
18P0753SHIFT SOLENOID "A (I/C SOLENOID)" CIRCUIT - OPEN or SHORT (GND)
19P0758SHIFT SOLENOID "B (Fr/B SOLENOID)" CIRCUIT - OPEN or SHORT (GND)
20P0763SHIFT SOLENOID "C (D/C SOLENOID)" CIRCUIT - OPEN or SHORT (GND)
21P0768SHIFT SOLENOID "D (H&LR/C SOLENOID)" CIRCUIT - OPEN or SHORT (GND)
22P0773SHIFT SOLENOID "E (LC/B SOLENOID)" CIRCUIT - OPEN or SHORT (GND)
23P0819UP AND DOWN SHIFT SWITCH TO TRANSMISSION RANGE CORRELATIONX
24U0001CAN COMMUNICATION BUS
25U0100LOST COMMUNICATION WITH PCM "A"

DIAGNOSTIC TROUBLE CODE CHART

Scheme 6

Scheme 6: COMPONENT LOCATION

DTC DETECTING CONDITION

ItemDetecting ConditionPossible cause
DTC StrategyCheck sum faultFaulty TCM
Enable ConditionsIG "on"
Threshold valueChecksum fault or TCU internal Failure
Diagnostic TimeMore than 1 sec
Fail SafeLocked in 3rd gear

DTC DETECTING CONDITION POSSIBLE CAUSE

MONITOR SCAN TOOL DATA

  1. Connect scan tool to data link connector (DLC).
  2. Ignition "ON".
  3. Confirm the "ROM I.D".
  4. Perform the "ROM UP-DATE".
  5. Re-check for presence of DTC data.
  6. Is the DTC cleared? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S13130595582008020400000) " procedure. NO Replace PCM/TCM as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S13130595582008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyCheck voltage rangeFaulty TCM
Enable ConditionsBattery voltage > 11.7V
Threshold value10.4V < Sensor supply voltage > 16V
Diagnostic TimeMore than 0.2sec
Fail SafeDamper clutch "OFF" Prevention of pressure adaptation

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 7

Scheme 7: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC).
  2. Ignition "ON" & Engine "OFF".
  3. Monitor the "BATTERY VOLTAGE and A/T MAIN RELAY VOLTAGE" parameter on the scan tool. Specification : approx. 12V
  4. Does "BATTERY VOLTAGE and A/T MAIN RELAY VOLTAGE" follow the reference data? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S01722279722008020400000) " procedure. NO Go to " «TERMINAL & CONNECTOR INSPECTION»(ref-278800-S42662538842008020400000) " procedure.

TERMINAL & CONNECTOR INSPECTION

  1. Many malfunctions in the electrical system are caused by poor harness and terminal conditions. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S01722279722008020400000) " procedure. NO Go to " «POWER SUPPLY CIRCUIT INSPECTION»(ref-278800-S00835996722008020400000) " procedure.

Scheme 8

Scheme 8: POWER SUPPLY CIRCUIT INSPECTION
  1. IG "ON" Engine "OFF".
  2. Disconnect the "PCM/TCM" connector.
  3. Measure voltage between terminal No "29" of TCM harness connector and chassis ground and then terminal No "73" of the TCM harness connector and chassis ground. Specification : approx. 12V
  4. Is voltage within specifications? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. And go to «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S01722279722008020400000) procedure. NO Substitute with a known-good PCM/TCM and check for proper operation. If the problem is corrected, replace PCM/TCM as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S01722279722008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyRange decision by switch patternOPEN OR SHORT IN CIRCUIT Faulty TRANSMISSION RANGE SWITCH Faulty TCM
Enable ConditionsSensor supply voltage in valid range
Threshold value"INHIBITOR SWITCH" pattern check.
Diagnostic TimeMore than 10sec
Fail SafeSELECT POSITION IS REGARDED AS "D" INDICATOR DECISION "OFF" REVERSE LAMP SIGNAL "OFF"

DTC DETECTING CONDITION POSSIBLE CAUSE

  1. Many malfunctions in the electrical system are caused by poor harness and terminal conditions. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S00097967702008020400000) " procedure. NO Go to " «SIGNAL CIRCUIT INSPECTION»(ref-278800-S28686253022008020400000) " procedure.

Scheme 9

Scheme 9: SIGNAL CIRCUIT INSPECTION
  1. Disconnect "C106-3" connector.
  2. Ignition "ON" & Engine "OFF".
  3. Measure voltage between each terminal "1,2,3,4" of the TCM side harness connector and chassis ground. Specification : approx. 5V
  4. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S11470409142008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S00097967702008020400000) " procedure. If signal circuit in harness is OK, Substitute with a known-good PCM/TCM and check for proper operation. If the problem is corrected, replace PCM/TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S00097967702008020400000) " procedure.

Scheme 10

Scheme 10: COMPONENT INSPECTION
  1. Ignition "OFF".
  2. Disconnect "C106-3" connector.
  3. Measure the resistance between each terminal of the sensor. Specification
  4. Is resistance within specifications? YES Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S00097967702008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S00097967702008020400000) " procedure. If signal circuit in harness is OK, Substitute with a known-good "TRANSMISSION RANGE SWITCH" and check for proper operation. If the problem is corrected, replace "TRANSMISSION RANGE SWITCH" as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S00097967702008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyRationality* ATF T/S : Automatic Transmission Fluid Temperature Sensor OPEN OR SHORT IN CIRCUIT Faulty ATF T/S 1 Faulty TCM
Enable ConditionsAlways
Threshold valueOil temp, at IG "ON" - Coolant temp, at IG "ON" > 10°C
Diagnostic TimeMore than 2 sec
Fail SafeFluid temperature is regarded as 80°C

DTC DETECTING CONDITION POSSIBLE CAUSE

  1. Many malfunctions in the electrical system are caused by poor harness and terminal conditions. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S37257571242008020400000) " procedure. NO Go to " «SIGNAL CIRCUIT INSPECTION»(ref-278800-S33036898822008020400000) " procedure.

Scheme 11

Scheme 11: SIGNAL CIRCUIT INSPECTION
  1. Ignition "ON" & Engine "OFF".
  2. Disconnect the "ATF 1[C106-1] and ATF 2[C106-2]" connector.
  3. Measure the voltage between terminal "9" of the "ATF 1 [C106-1]" harness connector and chassis ground. Specification : Approx. 5 V
  4. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S20176047792008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S37257571242008020400000) " procedure. If signal circuit in harness is OK, Go to " «CHECK TCM»(ref-278800-S42363626802008020400000) " of the " «COMPONENT INSPECTION»(ref-278800-S20176047792008020400000) " procedure.

Scheme 12

Scheme 12: COMPONENT INSPECTION

Scheme 13

Scheme 13
  1. CHECK "TRANSMISSION FLUID TEMPERATURE SENSOR" Ignition "OFF". Disconnect the "ATF 1 [C106-1] and ATF 2 [C106-2]" connector. Measure the resistance between terminal "9" of the "ATF 1 [C106-1]" harness connector and chassis ground. Specification : Refer to «RESISTANCE SPECIFICATION»(ref-278800-S36753511582008020400000) . RESISTANCE SPECIFICATION Application PIN No TEMPERATURE (°F) RESISTANCE (Kohms) VOLTAGE (V) ATF 1 C106-1 : 9 - GND 32 Approx. 15 Approx. 3.3 68 Approx. 6.5 Approx. 2.7 176 Approx. 0.9 Approx. 0.9 ATF 2 C106-2 : 1 - GND 32 Approx. 10.5 Approx. 3.3 68 Approx. 4.3 Approx. 2.5 176 Approx. 0.5 Approx. 0.7 Is resistance within specifications? YES Go to " «CHECK PCM/TCM»(ref-278800-S42363626802008020400000) " as below. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S37257571242008020400000) " procedure. Replace "TRANSMISSION FLUID TEMPERATURE SENSOR 1" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S37257571242008020400000) " procedure.
  2. CHECK TCM Ignition "ON" & Engine "OFF". Disconnect the "ATF 1 [C106-1]" connector. Install scan tool and access "SIMU-SCAN" mode. Simulate voltage (0-->5V) to "TRANSMISSION FLUID TEMPERATURE SENSOR 1, 2" signal circuit. Is FLUID TEMP. SENSOR signal value changed according to simulation voltage? YES Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S37257571242008020400000) " procedure. NO Substitute with a known-good TCM and check for proper operation. If the problem is corrected, replace TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S37257571242008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyCheck the voltage range* ATF T/S : Automatic Transmission Fluid Temperature Sensor OPEN IN CIRCUIT Faulty ATF T/S 1
Enable ConditionsBattery voltage > 10V
Threshold valueInput voltage < 0.05V
Diagnostic TimeMore than 2 sec
Fail SafeFluid temperature is regarded as 80°C

DTC DETECTING CONDITION POSSIBLE CAUSE

Refer to DTC P0711 .

Refer to DTC P0711 .

SIGNAL CIRCUIT INSPECTION

  1. Ignition "ON" & Engine "OFF".
  2. Disconnect the "ATF 1[C106-1] and ATF 2[C106-2]" connector.
  3. Measure the voltage between terminal "9" of the "ATF 1 [C106-1]" harness connector and chassis ground. Specification : Approx. 5 V
  4. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S06167110572008020400000) " procedure. NO Check for open in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S31760881572008020400000) " procedure.

COMPONENT INSPECTION

Refer to DTC P0711 .

ItemDetecting ConditionPossible cause
DTC StrategyCheck the voltage range* ATF T/S : Automatic Transmission Fluid Temperature Sensor OPEN OR SHORT IN CIRCUIT Faulty ATF T/S 1 Faulty TCM
Enable ConditionsOil temp, at IG "ON" < or = -39°C Engine speed > 1000 RPM Output speed > or = 500 RPM Engine coolant temp. > or = 70°C Delay time = 160sec
Threshold valueInput voltage > 4.8V
Diagnostic Time10 minutes accumulative total
Fail SafeFluid temperature is regarded as 80°C

DTC DETECTING CONDITION POSSIBLE CAUSE

Refer to DTC P0711 .

Refer to DTC P0711 .

Refer to DTC P0712 .

Refer to DTC P0711 .

ItemDetecting ConditionPossible cause
DTC StrategySpeed rationality checkSignal circuit is open or short Sensor power circuit is open Sensor ground circuit is open Faulty INPUT SPEED SENSOR 1 Faulty TCM
Enable ConditionsBattery voltage > 10V Output speed > 200 RPM Engine speed > 700 RPM State of "TRANSMISSION" is "STATIC" The time after the last shift was finished 500msec
Threshold valueInput speed1 > 100 RPM
Diagnostic TimeMore than 2sec
Fail Safe"Input speed" is regarded as 600 RPM (Nt = 600 RPM) Shift prevention over 4th gear Prevention of manual shift Prevention of pressure adaptation

DTC DETECTING CONDITION POSSIBLE CAUSE

  1. Many malfunctions in the electrical system are caused by poor harness and terminal conditions. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14269648552008020400000) " procedure. NO Go to " «SIGNAL CIRCUIT INSPECTION»(ref-278800-S14591895952008020400000) " procedure.

Scheme 14

Scheme 14: SIGNAL CIRCUIT INSPECTION
  1. Ignition "ON" & Engine "OFF".
  2. Disconnect the "C106-3" connector.
  3. Measure voltage between terminal "6" of the C106-3 harness connector and chassis ground. Specification : Approx. 5 V
  4. Is voltage within specifications? YES Go to " «POWER SUPPLY CIRCUIT INSPECTION»(ref-278800-S16761712152008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14269648552008020400000) " procedure. If signal circuit in harness is OK, Go to " «CHECK TCM»(ref-278800-S42363626802008020400000) " of the " «COMPONENT INSPECTION»(ref-278800-S31865699612008020400000) " procedure.

Scheme 15

Scheme 15: POWER SUPPLY CIRCUIT INSPECTION
  1. Remove "OIL PAN".
  2. Ignition "ON", Engine "OFF".
  3. Connect the "C106-3 and Shift CM" connector.
  4. Measure resistance between terminal "4" of the TURBINE SENSOR harness connector and chassis ground. Specification : approx. 12V
  5. Is voltage within specifications ? YES Go to " «GROUND CIRCUIT INSPECTION»(ref-278800-S17134782072008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14269648552008020400000) " procedure. If power circuit in harness is OK, Substitute with a known-good Shift CM and check for proper operation. If the problem is corrected, replace Shift CM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14269648552008020400000) " procedure.

Scheme 16

Scheme 16: GROUND CIRCUIT INSPECTION
  1. Remove "OIL PAN".
  2. Engine "OFF".
  3. Disconnect the "C106-3 and Shift CM" connector.
  4. Measure resistance between terminal "3" of the INPUT SPEED SENSOR harness connector and chassis ground. Specification : approx. 0ohms
  5. Is resistance within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S31865699612008020400000) " procedure. NO Check for open in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14269648552008020400000) " procedure.

Scheme 17

Scheme 17: COMPONENT INSPECTION

Scheme 18

Scheme 18
  1. Check "TURBINE SENSOR 2" Ignition "ON" & Engine "OFF". Connect the "C106-3" connector. Measure Frequency between terminal "6" of the C106-3 harness connector and chassis ground. Specification : See «CONNECTOR PIN SPECIFICATION»(ref-278800-S01830015312008020400000) . CONNECTOR PIN SPECIFICATION NAME PIN NO Measurement condition Spec Turbine Sensor1 6 1st gear 12.42 MPH (20km/h) Idle SW OFF Approx. 1.1K(Hz) Turbine Sensor 2 7 4th gear 31 MPH (50km/h) Idle SW OFF CAUTION: Scan tool data link cable is maintain to connecting condition. is frequency within specifications? YES Go to " «CHECK TCM»(ref-278800-S42363626802008020400000) " as below. NO Replace "TURBINE SENSOR" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14269648552008020400000) " procedure.
  2. CHECK TCM Ignition "ON" & Engine "OFF". Disconnect "C106-3" connector. Install scan tool and access "SIMU-SCAN" mode. Simulate frequency to TURBINE SENSOR 1 signal circuit. Is "TURBINE SENSOR 1" signal value changed according to simulation frequency? YES Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14269648552008020400000) " procedure. NO Substitute with a known-good TCM and check for proper operation. If the problem is corrected, replace TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14269648552008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategySpeed rationality checkSignal circuit is open or short Sensor power circuit is open Sensor ground circuit is open Faulty INPUT SPEED SENSOR 1 Faulty TCM
Enable ConditionsBattery voltage > 10V Output speed > 1000 RPM Engine speed (Only current gear is the 1st gear) > 3000 RPM Engine speed (2.3.4.5 gear) > 700 RPM Position lever = "D"
Threshold valueInput speed1 < or = 100 RPM
Diagnostic TimeMore than 2sec
Fail Safe"Input speed" is regarded as 600 RPM (Nt = 600 RPM) Shift prevention over 4th gear Prevention of manual shift Prevention of pressure adaptation

DTC DETECTING CONDITION POSSIBLE CAUSE

Refer to DTC P0716 .

Refer to DTC P0716 .

POWER SUPPLY CIRCUIT INSPECTION

Refer to DTC P0716 .

GROUND CIRCUIT INSPECTION

Refer to DTC P0716 .

Refer to DTC P0716 .

ItemDetecting ConditionPossible cause
DTC StrategySpeed rationality checkSignal circuit is open or short Sensor power circuit is open Sensor ground circuit is open Faulty OUTPUT SPEED SENSOR Faulty TCM
Enable ConditionsBattery voltage > 10V Lever position = "D" Engine speed > 3000 RPM
Threshold valueOutput speed = 0 RPM
Diagnostic TimeMore than 4sec
Fail SafeShift prevention over 4th gear Prevention of manual shift Prevention of pressure adaptation Output speed from vehicle speed

DTC DETECTING CONDITION POSSIBLE CAUSE

  1. Many malfunctions in the electrical system are caused by poor harness and terminal conditions. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25003580062008020400000) " procedure. NO Go to " «SIGNAL CIRCUIT INSPECTION»(ref-278800-S11633923832008020400000) " procedure.

Scheme 19

Scheme 19: SIGNAL CIRCUIT INSPECTION

Scheme 20

Scheme 20
  1. CHECK "OUTPUT SPEED SENSOR SIGNAL CIRCUIT 1" Ignition "ON" & Engine "OFF". Disconnect the "C106-1" connector. Measure voltage between terminal "10" of the C106-1 harness connector and chassis ground. Specification : approx. 5V Is voltage within specifications? YES Go to next procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25003580062008020400000) " procedure, If signal circuit in harness is OK, Go to " «COMPONENT INSPECTION»(ref-278800-S38956280562008020400000) " procedure.
  2. CHECK "OUTPUT SPEED SENSOR SIGNAL CIRCUIT 2" Remove "OIL PAN". Connect the "C106-1" connector. Ignition "ON" & Engine "OFF". Disconnect the "OUTPUT SPEED SENSOR" connector. Measure voltage between terminal "WHITE COLOR" of the OUTPUT SPEED SENSOR harness connector and chassis ground. Specification : approx. 5V Is voltage within specifications? YES Go to " «POWER SUPPLY CIRCUIT INSPECTION»(ref-278800-S38506671122008020400000) " procedure. NO Check for open or short in harness (H-02[A]-TRANSMISSION RANGE SWITCH). Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25003580062008020400000) " procedure. If signal circuit in harness is OK, Replace "TRANSMISSION RANGE SWITCH" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25003580062008020400000) " procedure.

Scheme 21

Scheme 21: POWER SUPPLY CIRCUIT INSPECTION
  1. Remove "OIL PAN".
  2. Connect the "C106-1" connector.
  3. Ignition "ON" & Engine "OFF".
  4. Disconnect the "OUTPUT SPEED SENSOR" connector.
  5. Measure voltage between terminal "PINK COLOR" of the OUTPUT SPEED SENSOR harness connector and chassis ground. Specification : approx. 12V
  6. Is voltage within specifications? YES Go to " «GROUND CIRCUIT INSPECTION»(ref-278800-S08450450872008020400000) " procedure. NO Replace "TRANSMISSION RANGE SWITCH" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25003580062008020400000) " procedure.
  1. Ignition "OFF" & Engine "OFF".
  2. Remove "OIL PAN".
  3. Connect the "C106-1" connector.
  4. Disconnect the "OUTPUT SPEED SENSOR" connector.
  5. Measure resistance between terminal "BLACK COLOR" of the OUTPUT SPEED SENSOR harness connector and chassis ground. Specification : approx. 0ohms
  6. Is resistance within specifications? YES Substitute with a known-good "OUTPUT SPEED SENSOR" and check for proper operation. If the problem is corrected, replace "OUTPUT SPEED SENSOR" as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25003580062008020400000) " procedure. NO Replace "TRANSMISSION RANGE SWITCH" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25003580062008020400000) " procedure.

Scheme 22

Scheme 22: CHECK TCM
  1. Ignition "ON" & Engine "OFF".
  2. Disconnect "C106-1" connector.
  3. Install scan tool and access "SIMU-SCAN" mode.
  4. Simulate frequency to OUTPUT SPEED SENSOR signal circuit.
  5. Is "OUTPUT SPEED SENSOR" signal value changed according to simulation frequency? YES Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25003580062008020400000) " procedure. NO Substitute with a known-good TCM and check for proper operation. If the problem is corrected, replace TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25003580062008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC Strategy1st gear incorrect ratioFaulty input speed sensor Faulty output speed sensor Faulty internal transmission
Enable ConditionsEngine speed > 600 RPM 150 RPM > Output speed < 6000 RPM Lever Position = "D" Input speed > 600 RPM A/T oil temp output > or = -10°C Throttle opening > 15% The time after the last shift was finish > 1sec
Threshold valueInput speed - output speed x 1st gear ratio | > or = 200 RPM
Diagnostic TimeMore than 1sec
Fail Safe4th gear Limp-Home mode

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 23

Scheme 23: SIGNAL WAVEFORM

Scheme 24

Scheme 24: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC).
  2. Engine "ON".
  3. Monitor the "ENGINE SPEED, INPUT SPEED SENSOR, OUTPUT SPEED SENSOR, GEAR POSITION" parameter on the scan tool.
  4. Perform the "STALL TEST" with gear position "1" Specification : 2300 ± 200 engine RPM

Scheme 25

Scheme 25: OPERATING ELEMENT OF EACH SHIFTING RANGE

Stall test procedure in D1 and reason

Procedure

  1. Warm up the engine
  2. After positioning the select lever in "D", depress the foot brake pedal fully. After that, depress the accelerator pedal to the maximum * The slippage of 1st gear operating parts can be detected by stall test in D

Reason for stall test

  1. If there is no mechanical defaults in A/T, all slippage occurs in the torque converter.
  2. Therefore, engine revolution is output, but input and output speed revolution must be "zero" due to wheel's lock.
  3. If 1st gear operating parts have faults, input speed revolution will be out of specification.
  4. If output speed revolution is output. It means that the foot brake force is not applied fully. Remeasuring is required.
  1. 5. Is "STALL TEST" within specification? YES Go to " «SIGNAL CIRCUIT INSPECTION»(ref-278800-S33717477462008020400000) " procedure. NO Go to " «COMPONENT INSPECTION»(ref-278800-S21932038382008020400000) " procedure. CAUTION: Do not let anybody stand in front of or behind the vehicle while this test is being carried out. Check the A/T fluid level and temperature and the engine coolant temperature. Fluid level: At the hot mark on the oil level gauge. Fluid temperature : 176-212°F (80-100°C). Engine coolant temperature : 176-212°F (80-100°C). Chock both rear wheels (left and right). Pull the parking brake lever on with the brake pedal fully depressed. The throttle should not be left fully open for more than eight seconds. If carrying out the stall test two or more times, move the select lever to the "N" position and run the engine at 1,000 RPM to let the A/T fluid cool down before carrying out subsequent tests.

Scheme 26

Scheme 26: SIGNAL CIRCUIT INSPECTION
  1. Connect Scan tool.
  2. Engine "ON".
  3. Monitor the "INPUT & OUTPUT SPEED SENSOR" parameter on the scan tool.
  4. Accelerate the Engine speed until about 2000 RPM in the 1st gear. Specification : INPUT SPEED - (OUTPUT SPEED x 1st GEAR RATIO) < or = 200 RPM
  5. Does "INPUT & OUTPUT SPEED SENSOR" within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S21932038382008020400000) " procedure. NO Check condition of Input & Output Speed Sensor and sensor wiring. Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25066422582008020400000) " procedure.

Scheme 27

Scheme 27: COMPONENT INSPECTION
  1. Connect Scan tool.
  2. Engine "ON".
  3. Monitor the "OIL PRESSURE. S/W 1,2,3,5,6" parameter on the scan tool.
  4. Move select lever to "D" range and operate vehicle within 1st gear condition. OIL PRESSURE SWITCH SPECIFICATION Shift position Oil Pressure Switch I/C (SW3) H & LR/C (SW6) H & LR/C (SW6) FR/B (SW1) LC/B (SW2) P X o X o X R X o X o X N X o X o X D 1st gear X X X o X 2nd gear X X o o X 3rd gear X o o o X 4th gear o o o X X 5th gear o o X o X
  5. Does "OIL PRESSURE. S/W 1,2,3,5,6" follow the reference data? YES Repair AUTO TRANSAXLE (Clutch or Brake) as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25066422582008020400000) " procedure. NO Replace AUTO TRANSAXLE (BODY CONTROL VALVE faulty) as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25066422582008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC Strategy2nd gear incorrect ratioFaulty input speed sensor Faulty output speed sensor Faulty internal transmission
Enable ConditionsEngine speed > 600 RPM 150 RPM > Output speed < 6000 RPM Lever Position = "D" Input speed > 600 RPM A/T oil temp output > or = -10°C Throttle opening > 15% The time after the last shift was finish > 1sec
Threshold valueInput speed - output speed x 2nd gear ratio | > or = 200 RPM
Diagnostic TimeMore than 1sec
Fail Safe4th gear Limp-Home mode

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 28

Scheme 28: SIGNAL WAVEFORM

Scheme 29

Scheme 29: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC).
  2. Engine "ON".
  3. Monitor the "ENGINE SPEED, INPUT SPEED SENSOR, OUTPUT SPEED SENSOR, GEAR POSITION" parameter on the scan tool.
  4. Perform the "STALL TEST" with gear position "2" Specification : 2300 ± 200 engine RPM
ItemDetecting ConditionPossible cause
DTC Strategy3rd gear incorrect ratioFaulty input speed sensor Faulty output speed sensor Faulty internal transmission
Enable ConditionsEngine speed > 600 RPM 150 RPM > Output speed < 6000 RPM Lever Position = "D" Input speed > 600 RPM A/T oil temp output > or = -10°C Throttle opening > 15% The time after the last shift was finish > 1sec
Threshold valueInput speed - output speed x 3rd gear ratio | > or = 200 RPM
Diagnostic TimeMore than 1sec
Fail Safe4th gear Limp-Home mode

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 30

Scheme 30: SIGNAL WAVEFORM

Scheme 31

Scheme 31: SIGNAL CIRCUIT INSPECTION
  1. Connect Scan tool.
  2. Engine "ON".
  3. Monitor the "INPUT & OUTPUT SPEED SENSOR" parameter on the scan tool.
  4. Accelerate the Engine speed until about 2000 RPM in the 3rd gear. Specification : INPUT SPEED - (OUTPUT SPEED x 3rd GEAR RATIO) < or = 200 RPM
  5. Does "INPUT & OUTPUT SPEED SENSOR" within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S12560113192008020400000) " procedure. NO Check condition of Input & Output Speed Sensor and sensor wiring. Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S05812998172008020400000) " procedure.

Scheme 32

Scheme 32: COMPONENT INSPECTION
  1. Connect scan tool.
  2. Engine "ON".
  3. Monitor the "OIL PRESSURE. S/W 1,2,3,5,6" parameter on the scan tool.
  4. Move select lever to "D" range and operate vehicle within 3rd gear condition. OIL PRESSURE SWITCH SPECIFICATION Shift position Oil Pressure Switch I/C (SW3) H & LR/C (SW6) H & LR/C (SW6) FR/B (SW1) LC/B (SW2) P X o X o X R X o X o X N X o X o X D 1st gear X X X o X 2nd gear X X o o X 3rd gear X o o o X 4th gear o o o X X 5th gear o o X o X
  5. Is oil pressure value within specifications? YES Repair AUTO TRANSAXLE (Clutch or Brake) as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S05812998172008020400000) " procedure. NO Replace AUTO TRANSAXLE (BODY CONTROL VALVE faulty) as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S05812998172008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC Strategy4th gear incorrect ratioFaulty input speed sensor Faulty output speed sensor Faulty internal transmission
Enable ConditionsEngine speed > 600 RPM 150 RPM > Output speed < 6000 RPM Lever Position = "D" Input speed > 600 RPM A/T oil temp output > or = -10°C Throttle opening > 15% The time after the last shift was finish > 1sec
Threshold valueInput speed - output speed x 4th gear ratio | > or = 200 RPM
Diagnostic TimeMore than 1sec
Fail Safe4th gear Limp-Home mode

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 33

Scheme 33: SIGNAL WAVEFORM

Scheme 34

Scheme 34: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC).
  2. Engine "ON".
  3. Monitor the "ENGINE SPEED, INPUT SPEED SENSOR, OUTPUT SPEED SENSOR, GEAR POSITION" parameter on the scan tool.
  4. Perform the "STALL TEST" with gear position "4". Specification : 2300 ± 200 engine RPM
ItemDetecting ConditionPossible cause
DTC Strategy5th gear incorrect ratioFaulty input speed sensor Faulty output speed sensor Faulty internal transmission
Enable ConditionsEngine speed > 600 RPM 150 RPM > Output speed < 6000 RPM Lever Position = "D" Input speed > 600 RPM A/T oil temp output > or = -10°C Throttle opening > 15% The time after the last shift was finish > 1sec
Threshold valueInput speed - output speed x 5th gear ratio } > or = 200 RPM
Diagnostic TimeMore than 1sec
Fail Safe4th gear Limp-Home mode

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 35

Scheme 35: SIGNAL WAVEFORM

Scheme 36

Scheme 36: SIGNAL CIRCUIT INSPECTION
  1. Connect scan tool.
  2. Engine "ON".
  3. Monitor the "INPUT & OUTPUT SPEED SENSOR" parameter on the scan tool.
  4. Accelerate the Engine speed until about 2000 RPM in the 5th gear. Specification : INPUT SPEED - (OUTPUT SPEED x 5th GEAR RATIO) < or = 200 RPM
  5. Does "INPUT & OUTPUT SPEED SENSOR" within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S38671690962008020400000) " procedure. NO Check condition of Input & Output Speed Sensor and sensor wiring. Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25720980742008020400000) " procedure.

Scheme 37

Scheme 37: COMPONENT INSPECTION
  1. Connect scan tool.
  2. Engine "ON".
  3. Monitor the "OIL PRESSURE. S/W 1,2,3,5,6" parameter on the scan tool.
  4. Move select lever to "D" range and operate vehicle within 5th gear condition. OIL PRESSURE SWITCH SPECIFICATION Shift position Oil Pressure Switch I/C (SW3) H & LR/C (SW6) H & LR/C (SW6) FR/B (SW1) LC/B (SW2) P X o X o X R X o X o X N X o X o X D 1st gear X X X o X 2nd gear X X o o X 3rd gear X o o o X 4th gear o o o X X 5th gear o o X o X
  5. Is oil pressure value within specifications? YES Repair AUTO TRANSAXLE (Clutch or Brake) as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25720980742008020400000) " procedure. NO Replace AUTO TRANSAXLE (BODY CONTROL VALVE faulty) as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25720980742008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyStuck "OFF"* TORQUE CONVERTER (DAMPER) CLUTCH : TCC Faulty TCC or oil pressure system Faulty TCC solenoid valve Faulty body control valve Faulty TCM
Enable ConditionsDuty of "Damper clutch solenoid valve" = 100% Input speed > 0 RPM
Threshold valueCalculated slip (engine speed-input speed) > 100 RPM
Diagnostic TimeMore than 5sec
Fail SafeDamper clutch "OFF"

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 38

Scheme 38: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC).
  2. Engine "ON".
  3. Select "D RANGE" and drive vehicle 5 gear.
  4. Monitor the "TORQUE CONVERTER (DAMPER) CLUTCH" parameter on the scan tool. Specification: Calculated slip (engine speed-input speed) < 100 RPM
  5. Is "TCC SLIP (DAMPER CLUTCH SL.RPM)" within specifications? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25614854142008020400000) " procedure. NO Go to " «COMPONENT INSPECTION»(ref-278800-S17996418662008020400000) " procedure.

Scheme 39

Scheme 39: COMPONENT INSPECTION
  1. Disconnect "C106-2" connector.
  2. Ignition "OFF".
  3. Measure resistance between terminal "9" of the C106-2 harness connector and chassis ground. Specification : approx. 3-9ohms
  4. Is resistance within specifications? YES Repair TORQUE CONVERTER CLUTCH (REPLACE Torque Converter) as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25614854142008020400000) " procedure. NO Replace A/T assembly (possible to BODY CONTROL VALVE faulty) as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S25614854142008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyCheck voltage range* TORQUE CONVERTER (DAMPER) CLUTCH : TCC Open or short in circuit Faulty TCC SOLENOID VALVE Faulty PCM/TCM
Enable Conditions10V < Actuator power supply voltage < 16V
Threshold valueHardware "IC" check
Diagnostic TimeMore than 0.2sec
Fail SafeLock-up control is prohibited (L/U off)

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 40

Scheme 40: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC).
  2. Engine "ON".
  3. Monitor the "TCC SOL. VALVE" parameter on the scan tool.
  4. Select "D RANGE" and Operate the vehicle 5 gear.
  5. Check "TCC SOL. VALVE" parameter value changes while driving.
  6. Does "TCC SOLENOID DUTY" follow the reference data? YES Fault is intermittent caused by poor contact in the sensor's and/or TCM (PCM)'s connector or was repaired and TCM (PCM) memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14647651252008020400000) " procedure. NO Go to " «TERMINAL & CONNECTOR INSPECTION»(ref-278800-S00634089912008020400000) " procedure.
  1. Many malfunctions in the electrical system are caused by poor harness and terminal conditions. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found? YES Repair as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14647651252008020400000) " procedure. NO Go to " «SIGNAL CIRCUIT INSPECTION»(ref-278800-S33857285112008020400000) " procedure.

Scheme 41

Scheme 41: SIGNAL CIRCUIT INSPECTION
  1. Disconnect "C106-2" connector.
  2. IGNITION "ON", ENGINE "OFF".
  3. Measure voltage between terminal "9" of the C106-2 harness connector and chassis ground. Specification : approx. 5V
  4. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S27506040042008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14647651252008020400000) " procedure. If signal circuit in harness is OK, Substitute with a known-good TCM and check for proper operation. If the problem is corrected, replace TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S14647651252008020400000) " procedure.

Refer to DTC P0741 .

ItemDetecting ConditionPossible cause
DTC StrategyCheck voltage range* PRESSURE CONTROL SOLENOID VALVE (LINE PRESSURE : PCSV (PL. SOL) Open or short in circuit Faulty PCSV Faulty TCM
Enable Conditions10V < Actuator power supply voltage < 16V
Threshold valueHardware "IC" check
Diagnostic TimeMore than 0.2sec
Fail SafeLock-up control is prohibited (L/U off)

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 42

Scheme 42: SIGNAL WAVEFORM

Scheme 43

Scheme 43: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC)
  2. Engine "ON".
  3. Monitor the "PCSV" parameter on the scan tool.
  4. Select "D RANGE" and Operate the vehicle.
  5. Check "PCSV" parameter value changes while driving.
  6. Does "PCSV DUTY" follow the reference data? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S19801908782008020400000) " procedure. NO Go to " «TERMINAL & CONNECTOR INSPECTION»(ref-278800-S04692160612008020400000) " procedure.

Refer to DTC P0741 .

Scheme 44

Scheme 44: SIGNAL CIRCUIT INSPECTION
  1. Disconnect "C106-2" connector.
  2. IGNITION "ON", ENGINE "OFF"
  3. Measure voltage between terminal "8" of the C106-2 harness connector and chassis ground. Specification : approx. 5V
  4. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S29253645362008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S19801908782008020400000) " procedure. If signal circuit in harness is OK, Substitute with a known-good TCM and check for proper operation, if the problem is corrected, replace TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S19801908782008020400000) " procedure.

Scheme 45

Scheme 45: COMPONENT INSPECTION
  1. Disconnect "C106-2" connector.
  2. Ignition "OFF".
  3. Measure resistance between terminal "8" of the C106-2 harness connector and chassis ground. Specification : approx. 3-9ohms
  4. Is resistance within specifications? YES Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S19801908782008020400000) " procedure. NO
  5. Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S19801908782008020400000) " procedure. If signal circuit in harness is OK, Replace "PRESSURE CONTROL SOLENOID VALVE" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S19801908782008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyCheck voltage range* INPUT CLUTCH SOLENOID VALVE : I/C SOLENOID VALVE Open or short in circuit Faulty I/C SOLENOID VALVE Faulty TCM
Enable Conditions10V < Actuator power supply voltage < 16V
Threshold valueHardware "IC" check
Diagnostic TimeMore than 0.2sec
Fail SafeLock-up control is prohibited (L/U off)

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 46

Scheme 46: SIGNAL WAVEFORM

Scheme 47

Scheme 47: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC)
  2. Engine "ON".
  3. Monitor the "I/C SOLENOID" parameter on the scan tool.
  4. Select "D RANGE" and Operate the vehicle.
  5. Check "I/C SOLENOID" parameter value changes while driving.
  6. Does "I/C SOLENOID" follow the reference data? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S03422881212008020400000) " procedure. NO Go to " «TERMINAL & CONNECTOR INSPECTION»(ref-278800-S12298562112008020400000) " procedure.

Refer to DTC P0741 .

Scheme 48

Scheme 48: SIGNAL CIRCUIT INSPECTION
  1. Disconnect "C106-2" connector.
  2. IGNITION "ON", ENGINE "OFF"
  3. Measure voltage between terminal "7" of the C106-2 harness connector and chassis ground. Specification : Output voltage repeated between 4V and 12V
  4. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S23158993442008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S03422881212008020400000) " procedure. If signal circuit in harness is OK, Substitute with a known-good TCM and check for proper operation. If the problem is corrected, replace TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S03422881212008020400000) " procedure.

Scheme 49

Scheme 49: COMPONENT INSPECTION
  1. Disconnect "C106-2" connector.
  2. Ignition "OFF".
  3. Measure resistance between terminal "7" of the C106-2 harness connector and chassis ground. Specification : approx. 3-9ohms
  4. Is resistance within specifications? YES Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S03422881212008020400000) " procedure. NO
  5. Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S03422881212008020400000) " procedure. If signal circuit in harness is OK, Replace "I/C SOLENOID VALVE" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S03422881212008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyCheck voltage range* FRONT BRAKE SOLENOID VALVE : Fr/B SOLENOID VALVE Open or short in circuit Faulty Fr/B SOLENOID VALVE Faulty TCM
Enable Conditions10V < Actuator power supply voltage < 16V
Threshold valueHardware "IC" check
Diagnostic TimeMore than 0.2sec
Fail SafeLock-up control is prohibited (L/U off)

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 50

Scheme 50: SIGNAL WAVEFORM

Scheme 51

Scheme 51: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC)
  2. Engine "ON".
  3. Monitor the "Fr/B SOLENOID" parameter on the scan tool.
  4. Select "R, D RANGE" and Operate the vehicle.
  5. Check "Fr/B SOLENOID" parameter value changes while driving.
  6. Does "Fr/B SOLENOID" follow the reference data? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18276248382008020400000) " procedure. NO Go to " «TERMINAL & CONNECTOR INSPECTION»(ref-278800-S32469535322008020400000) " procedure.

Refer to DTC P0741 .

Scheme 52

Scheme 52: SIGNAL CIRCUIT INSPECTION
  1. Disconnect "C106-2" connector.
  2. IGNITION "ON", ENGINE "OFF"
  3. Measure voltage between terminal "6" of the C106-2 harness connector and chassis ground. Specification : approx. 5V
  4. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S02147958982008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18276248382008020400000) " procedure. If signal circuit in harness is OK, Substitute with a known-good TCM and check for proper operation. If the problem is corrected, replace TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18276248382008020400000) " procedure.

Scheme 53

Scheme 53: COMPONENT INSPECTION
  1. Disconnect "C106-2" connector.
  2. Ignition "OFF".
  3. Measure resistance between terminal "6" of the C106-2 harness connector and chassis ground. Specification : approx. 3-9ohms
  4. Is resistance within specifications? YES Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18276248382008020400000) " procedure. NO
  5. Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18276248382008020400000) " procedure. If signal circuit in harness is OK, Replace "Fr/B SOLENOID VALVE" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18276248382008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyCheck voltage range* DIRECT CLUTCH SOLENOID VALVE : D/C SOLENOID VALVE Open or short in circuit Faulty D/C SOLENOID VALVE Faulty TCM
Enable Conditions10V < Actuator power supply voltage < 16V
Threshold valueHardware "IC" check
Diagnostic TimeMore than 0.2sec
Fail SafeLock-up control is prohibited (L/U off)

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 54

Scheme 54: SIGNAL WAVEFORM

Scheme 55

Scheme 55: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC).
  2. Engine "ON".
  3. Monitor the "D/C SOLENOID" parameter on the scan tool.
  4. Select "D RANGE" and Operate the vehicle.
  5. Check "D/C SOLENOID" parameter value changes while driving.
  6. Does "D/C SOLENOID" follow the reference data? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18501860282008020400000) " procedure. NO Go to " «TERMINAL & CONNECTOR INSPECTION»(ref-278800-S36005601462008020400000) " procedure.

Refer to DTC P0741 .

Scheme 56

Scheme 56: SIGNAL CIRCUIT INSPECTION
  1. Disconnect "C106-2" connector.
  2. IGNITION "ON", ENGINE "OFF"
  3. Measure voltage between terminal "4" of the C106-2 harness connector and chassis ground. Specification : approx. 5V
  4. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S28223857312008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18501860282008020400000) " procedure. If signal circuit in harness is OK, Substitute with a known-good TCM and check for proper operation. If the problem is corrected, replace TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18501860282008020400000) " procedure.

Scheme 57

Scheme 57: COMPONENT INSPECTION
  1. Disconnect "C106-2" connector.
  2. Ignition "OFF".
  3. Measure resistance between terminal "4" of the C106-2 harness connector and chassis ground. Specification : approx. 3-9ohms
  4. Is resistance within specifications? YES Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18501860282008020400000) " procedure. NO
  5. Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18501860282008020400000) " procedure. If signal circuit in harness is OK, Replace "D/C SOLENOID VALVE" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S18501860282008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyCheck voltage range* HIGH & LOW REVERSE CLUTCH SOLENOID VALVE: H & LR/C SOLENOID VALVE Open or short in circuit Faulty H & LR/C SOLENOID VALVE Faulty TCM
Enable Conditions10V < Actuator power supply voltage < 16V
Threshold valueHardware "IC" check
Diagnostic TimeMore than 0.2sec
Fail SafeLock-up control is prohibited (L/U off)

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 58

Scheme 58: SIGNAL WAVEFORM

Scheme 59

Scheme 59: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC).
  2. Engine "ON".
  3. Monitor the "H & LR/C SOLENOID" parameter on the scan tool.
  4. Select "D RANGE" and Operate the vehicle.
  5. Check "H & LR/C SOLENOID" parameter value changes while driving.
  6. Does "H & LR/C SOLENOID" follow the reference data? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20219895292008020400000) " procedure. NO Go to " «TERMINAL & CONNECTOR INSPECTION»(ref-278800-S08456130892008020400000) " procedure.

Refer to DTC P0741 .

Scheme 60

Scheme 60: SIGNAL CIRCUIT INSPECTION
  1. Disconnect "C106-2" connector.
  2. IGNITION "ON", ENGINE "OFF"
  3. Measure voltage between terminal "3" of the C106-2 harness connector and chassis ground. Specification : Output voltage repeated between 4V and 12V
  4. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S36613564892008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20219895292008020400000) " procedure. If signal circuit in harness is OK, Substitute with a known-good TCM and check for proper operation. If the problem is corrected, replace TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20219895292008020400000) " procedure.

Scheme 61

Scheme 61: COMPONENT INSPECTION
  1. Disconnect "C106-2" connector.
  2. Ignition "OFF".
  3. Measure resistance between terminal "3" of the C106-2 harness connector and chassis ground. Specification : approx. 3-9ohms
  4. Is resistance within specifications? YES Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20219895292008020400000) " procedure. NO
  5. Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20219895292008020400000) " procedure. If signal circuit in harness is OK, Replace "H & LR/C SOLENOID VALVE" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20219895292008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyCheck voltage range* LOW COAST BRAKE SOLENOID VALVE: LC/B SOLENOID VALVE Open or short in circuit Faulty LC/B SOLENOID VALVE Faulty TCM
Enable Conditions10V < Actuator power supply voltage < 16V
Threshold valueHardware "IC" check
Diagnostic TimeMore than 0.2sec
Fail SafeLock-up control is prohibited (L/U off)

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 62

Scheme 62: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC).
  2. Engine "ON".
  3. Monitor the "LC/B SOLENOID" parameter on the scan tool.
  4. Select "D RANGE" and Operate the vehicle.
  5. Check "LC/B SOLENOID" parameter value changes while driving.
  6. Does "LC/B SOLENOID" follow the reference data? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S26741310702008020400000) " procedure. NO Go to " «TERMINAL & CONNECTOR INSPECTION»(ref-278800-S24670002352008020400000) " procedure.

Refer to DTC P0741 .

Scheme 63

Scheme 63: SIGNAL CIRCUIT INSPECTION
  1. Disconnect "C106-2" connector.
  2. IGNITION "ON", ENGINE "OFF"
  3. Measure voltage between terminal "2" of the C106-2 harness connector and chassis ground. Specification : approx. 12V
  4. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S21812425382008020400000) " procedure. NO Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S26741310702008020400000) " procedure. If signal circuit in harness is OK, Substitute with a known-good TCM and check for proper operation. If the problem is corrected, replace TCM as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S26741310702008020400000) " procedure.

Scheme 64

Scheme 64: COMPONENT INSPECTION
  1. Disconnect "C106-2" connector.
  2. Ignition "OFF".
  3. Measure resistance between terminal "2" of the C106-2 harness connector and chassis ground. Specification : approx. 3-9ohms
  4. Is resistance within specifications? YES Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S26741310702008020400000) " procedure. NO
  5. Check for open or short in harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S26741310702008020400000) " procedure. If signal circuit in harness is OK, Replace "LC/B SOLENOID VALVE" as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S26741310702008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyRationalityOPEN OR SHORT IN CIRCUIT Faulty TRANSMISSION RANGE SWITCH Faulty TCM
Enable ConditionsBattery voltage > 10V
Threshold valueAbnormal input signal is detected.
Diagnostic TimeMore than 5sec
Fail SafePrevention of manual shift

DTC DETECTING CONDITION POSSIBLE CAUSE

  1. Many malfunctions in the electrical system are caused by poor harness and terminal conditions. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20683771982008020400000) " procedure. NO Go to " «POWER SUPPLY CIRCUIT INSPECTION»(ref-278800-S19963808552008020400000) " procedure.

Scheme 65

Scheme 65: POWER SUPPLY CIRCUIT INSPECTION
  1. Connect "M62" connector.
  2. Ignition "ON" & Engine "OFF"
  3. Measure voltage between terminal "2" of the "M62" connector and chassis ground. Specification : approx. 12V
  4. Is voltage within specifications? YES Go to " «SIGNAL CIRCUIT INSPECTION»(ref-278800-S07121207972008020400000) " procedure. NO Check for open or short in harness and Fuse. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20683771982008020400000) " procedure.

Scheme 66

Scheme 66: SIGNAL CIRCUIT INSPECTION
  1. Connect "M62" connector.
  2. Ignition "ON" & Engine "OFF".
  3. Move select lever to "SPORTS MODE" and operate select lever to up and down.
  4. Measure voltage between terminal "6, 7, 8" of the "M62" connector and chassis ground Specification : approx. 12V
  5. Is voltage within specifications? YES Go to " «COMPONENT INSPECTION»(ref-278800-S11581124502008020400000) " procedure. NO Substitute with a known-good "SPORTS MODE SWITCH" and check for proper operation. If the problem is corrected, replace "SPORTS MODE SWITCH" and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20683771982008020400000) " procedure.

Scheme 67

Scheme 67: COMPONENT INSPECTION
  1. Connect "TCU" connector.
  2. Ignition "ON" & Engine "OFF".
  3. Move select lever to "SPORTS MODE" and operate select lever to up and down.
  4. Measure voltage between terminal "16, 17, 61" of the "TCU" connector (C120) and chassis ground. Specification : approx. 12V
  5. Is voltage within specifications? YES Substitute with a known-good "TCU" and check for proper operation. If the problem is corrected, replace "TCU" and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20683771982008020400000) " procedure. NO Check for open or short between "M62" and "C120" harness. Repair as necessary and Go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S20683771982008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyCheck voltage rangeOpen or Short in CAN communication harness Faulty ECM Faulty TCM
Enable ConditionsIG "ON" Battery voltage > 10V Input speed > 300 RPM
Threshold valueBUS OFF
Diagnostic TimeMore than 2sec
Fail SafeDefault value

DTC DETECTING CONDITION POSSIBLE CAUSE

Scheme 68

Scheme 68: SIGNAL WAVEFORM

Scheme 69

Scheme 69: MONITOR SCAN TOOL DATA
  1. Connect scan tool to data link connector (DLC).
  2. Engine "ON".
  3. Monitor the "CAN COMMUNICATION SERVICE DATA (ENGINE RPM, VEHICLE SPEED SENSOR, THROTTLE P. SENSOR)" parameters on the scan tool.
  4. Does "CAN BUS LINE DATA" follow the reference data? YES Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Repair or replace as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S21064941322008020400000) " procedure. NO Go to " «TERMINAL & CONNECTOR INSPECTION»(ref-278800-S11004864992008020400000) " procedure.
  1. Many malfunctions in the electrical system are caused by poor harness and terminal conditions. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S21064941322008020400000) " procedure. NO Go to " «SIGNAL CIRCUIT INSPECTION»(ref-278800-S41005281092008020400000) " procedure.

Scheme 70

Scheme 70: SIGNAL CIRCUIT INSPECTION
  1. Ignition "OFF".
  2. Disconnect the "TCM" connector.
  3. Measure resistance between terminal "65" and "87" of the "TCM" harness connector. Specification : Approx. 120ohms
  4. Is measured resistance within specifications? YES Substitute with a known-good PCM/TCM and check for proper operation. If the problem is corrected, replace PCM/TCM as necessary and then go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S21064941322008020400000) " procedure. NO Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage of ECM and then Repair or replace Resistance for CAN communication as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-278800-S21064941322008020400000) " procedure.
ItemDetecting ConditionPossible cause
DTC StrategyCheck voltage rangeOpen or Short in CAN communication harness Faulty ECM Faulty TCM
Enable ConditionsIG "ON" Battery voltage > 10V Input speed > 300 RPM
Threshold valueLost communication
Diagnostic TimeMore than 500msec
Fail SafeDefault value

DTC DETECTING CONDITION POSSIBLE CAUSE

Refer to DTC U0001 .

Refer to DTC U0001 .

Refer to DTC U0001 .