Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT
Check the park/neutral position (PNP) switch circuit. Refer to "DTC P0705 PARK/NEUTRAL POSITION SWITCH ".

OK or NG
1. OK: GO TO 2.
2. NG: Repair or replace damaged parts.
CHECK STOP LAMP SWITCH CIRCUIT
Check the stop lamp switch circuit. Refer to TROUBLE DIAGNOSIS .

OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace damaged parts.
CHECK CLOSED THROTTLE POSITION SIGNAL CIRCUIT
Perform self-diagnosis for ECM. Refer to "EMISSION-RELATED DIAGNOSTIC INFORMATION ".

OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace damaged parts.
CHECK DATA MONITOR (WITH CONSULT-II)
With CONSULT-II
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-II.
3. Depress or release accelerator pedal and read out ON/OFF signaling action of the "CLSD THL POS".
4. Depress or release brake pedal and read out ON/OFF signaling action of the "BRAKE SW".
  
  Fig 1: CONSULT-II Display - Data Monitor
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 7.
2. NG: GO TO 5.
CHECK TCM
1. Check TCM input/output signal.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
1. OK: GO TO 6.
2. NG: Repair or replace damaged parts.
CHECK CAN COMMUNICATION LINE
Check the CAN communication line. Refer to "DTC U1000 CAN COMMUNICATION LINE ".

OK or NG
1. OK: GO TO 7.
2. NG: Repair or replace damaged parts.
SYMPTOM CHECK
Check again.

OK or NG
1. OK: INSPECTION END
2. NG: Replace the TCM.