Diagnostic Procedure

With CONSULT-II 

1. Turn ignition switch to "ON" position. (Do not start engine.)
2. Select "SELF-DIAG RESULTS" mode for "ENGINE" with CONSULT-II. Refer to "CONSULT-II Function".

OK or NG 

OK >> GO TO 2.

NG >> Check the DTC detected item, go to "CONSULT-II Function".

• If CAN communication line is detected, go to "DTC U1000: CAN COMMUNICATION LINE ".
  Fig 1: Checking DTC With ECM (consult II) (1 of 2)

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

With CONSULT-II 

1. Start engine.
2. Select "MAIN SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. While monitoring engine speed, check for engine speed change corresponding to wide-open throttle position signal.

OK or NG 

OK >> GO TO 3.

NG >> Check the ignition signal circuit.

• Refer to "IGNITION SIGNAL".
  Fig 2: Checking DTC With ECM (Consult II) (2 of 2)

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

Perform "DTC Confirmation Procedure". Refer to "DTC CONFIRMATION PROCEDURE ".

OK or NG 

OK >> INSPECTION END 

NG >> GO TO 4.

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 >> Repair or replace damaged parts.