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Diagnostic Procedure

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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.

  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. Fig 1: CONSULT II Display - Data Monitor
      G04075499Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Depress accelerator pedal and read out the value of "CLSD THL POS" and "W/O THL POS".
      ACCELERATOR PEDAL OPERATION SPECIFICATION

      Accelerator Pedal Operation Monitor Item
      CLSD THL POS W/O THL POS
      Released ON OFF
      Fully depressed OFF ON

    OK or NG 

    OK: INSPECTION END 

    NG: Check the following items. 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.
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