LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1979 (Automatic Transmission (Re5F22A)) >> Trouble Diagnosis For Symptoms >> TCM Self-diagnosis Does Not Activate >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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

    • OK : GO TO 2.
    • NG : Repair or replace damaged parts.
  2. CHECK STOP LAMP SWITCH CIRCUIT 

    Check the stop lamp switch circuit. Refer to TROUBLE DIAGNOSIS (WITH TCS/ABS) (with TCS/ABS) or TROUBLE DIAGNOSIS (WITH VDC/TCS/ABS) (with VDC/TCS/ABS).

    OK or NG

    • OK : GO TO 3.
    • NG : Repair or replace damaged parts.
  3. CHECK CLOSED THROTTLE POSITION SIGNAL CIRCUIT 

    Perform self-diagnosis for ECM. Refer to EMISSION-RELATED DIAGNOSTIC INFORMATION

    OK or NG

    • OK : GO TO 4.
    • NG : Repair or replace damaged parts.
  4. CHECK DATA MONITOR (WITH CONSULT-II) 

    WITH CONSULT-II 

    1. Turn ignition switch "ON". (Do not start engine.)
    2. Select "A/T" with "DATA MONITOR" mode in CONSULT-II.
      Fig 1: CONSULT-II Display - DATA MONITOR
      G02476140Courtesy of NISSAN MOTOR CO., U.S.A.
    3. NG : GO TO 5.
    4. Depress or release accelerator pedal and read out ON/OFF signaling action of the "CLSD THL POS".
    5. Depress or release brake pedal and read out ON/OFF signaling action of the "BRAKE SW".

    OK or NG

    • OK : GO TO  7.
  5. CHECK TCM 
    1. Check TCM input/output signal. Refer to TCM INPUT/OUTPUT SIGNAL REFERENCE VALUES .
    2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

    OK or NG

    • OK : GO TO 6.
    • NG : Repair or replace damaged parts.
  6. CHECK CAN COMMUNICATION LINE 

    Check the CAN communication line. Refer to DTC U1000 CAN COMMUNICATION LINE .

    OK or NG

    • OK : GO TO 7.
    • NG : Repair or replace damaged parts.
  7. CHECK SYMPTOM 

    Check again.

    OK or NG

    • OK : INSPECTION END 
    • NG : Replace the TCM.