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?

   Fig 1: Checking Throttle Position Sensor Circuit

   Courtesy of NISSAN MOTOR CO., U.S.A.

   Yes or No 

   1. Yes: Check the throttle position switch [accelerator pedal position (APP) sensor circuit. Refer to DTC P0221 TP SENSOR and DTC P0226 APP SENSOR .
   2. No: GO TO 2.
2. CHECK SYMPTOM 

   Check again.

   OK or NG 

   1. OK: INSPECTION END 
   2. NG: GO TO 3.
3. 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 

   1. OK: INSPECTION END 
   2. NG: Repair or replace damaged parts.