Operation CHARM: Car repair manuals for everyone.

Lock-Up Is Not Released

14. Lock-up Is Not Released

SYMPTOM: Lock-up is not released when accelerator pedal is released.

1. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR] CIRCUIT

With CONSULT-II





Does TCM INPUT SIGNALS in DATA MONITOR show damage to the throttle position switch [accelerator pedal position (APP) sensor] circuit?

Without CONSULT-II
Does self-diagnosis show damage to the throttle position sensor [accelerator pedal position (APP) sensor] circuit?
Yes or No
Yes >> Check the throttle position switch [accelerator pedal position (APP) sensor circuit. Refer to DTC P0122, P0123 TP SENSOR and DTC P2138 APP SENSOR.
No >> GO TO 2.

2. CHECK SYMPTOM
Check again.
OK or NG
OK >> INSPECTION END
NG >> GO TO 3.

3. CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection. Pinout Values and Diagnostic Parameters
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.