Lock-up Is Not Released

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM:

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

CHECK CLOSED THROTTLE POSITION SIGNAL AND WIDE OPEN THROTTLE POSITION SIGNAL CIRCUIT
With CONSULT-II

Does "DATA MONITOR" show damage to "CLOSED THL/SW" and "W/O THRL/P-SW" circuit?

Without CONSULT-II

Does self-diagnosis show damage to closed throttle position signal and wide open throttle position signal circuit?

Yes or No
- Yes: Check closed throttle position signal and wide open throttle position signal circuit. Refer to "TCM SELF-DIAGNOSIS DOES NOT ACTIVATE ".
- No: GO TO 2.
  
  Fig 1: Checking Closed Throttle Position Signal & Wide Open Throttle Position Signal Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK SYMPTOM
Check again.

OK or NG
- OK: INSPECTION END
- NG: GO TO 3.
CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection. Refer to "TCM TERMINALS AND REFERENCE VALUE ".
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.