Procedure 13

13. A/T DOES NOT PERFORM LOCK-UP

SYMPTOM
A/T does not lock-up at the specified speed.

DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
Execute self-diagnosis results indicate TCC solenoid valve.
Yes or No
Yes >> Check the TCC solenoid valve circuit. Refer to "DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE".
No >>GO TO 2.
2. CHECK ACCELERATOR PEDAL POSITION SENSOR
Check the accelerator pedal position sensor.
- Refer to "DTC P0121 ACCELERATOR PEDAL POSITION (APP) SENSOR".
OK or NG
OK >> GO TO 3.
NG >> Repair or replace the accelerator pedal position sensor.
3. CHECK SYMPTOM
Check again.
OK or NG
OK >> INSPECTION END
NG >>GO TO 4.
4. CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG?
OK >> INSPECTION END
NG >>
1. Repair or replace damaged parts.
2. Replace the transmission assembly.