Diagnostic Procedure

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to , "SELF-DIAGNOSTIC RESULT MODE "

Is a malfunction in the CAN communication indicated in the results?

YES : Check CAN communication line. Refer to , "DTC U1000 CAN COMMUNICATION LINE "

NO : GO TO 2.
CHECK THROTTLE POSITION SIGNAL CIRCUIT
With CONSULT-II
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Depress accelerator pedal and read out the value of "CLSD THL POS" and "W/O THL POS".
OK or NG

OK : INSPECTION END

NG : Check the following. If NG, repair or replace damaged parts.
- Perform the self-diagnosis for "ENGINE" with CONSULT-II.
- Open circuit or short to ground or short to power in harness or connectors.
- Pin terminals for damage or loose connection with harness connector.
  
  Fig 1: CONSULT II Display - Data Monitor
  Courtesy of NISSAN MOTOR CO., U.S.A.