A/T Does Not Perform Lock-Up

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. Does TCC solenoid valve indicate?
Yes or No
YES >> Check the TCC solenoid valve circuit. Refer to "DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE".
NO >>GO TO2.

2. CHECK ACCELERATOR PEDAL POSITION SENSOR
Check the accelerator pedal position sensor. Refer to DTC P0226 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. Refer to "Precautions for A/T Assembly Replacement".