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Home >> Infiniti >> 2005 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0605: ECM >> Diagnostic Procedure
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Diagnostic Procedure

  1. INSPECTION START 

    With CONSULT-II 

    1. Turn ignition switch ON.
    2. Select "SELF DIAG RESULTS" mode with CONSULT-II.
    3. Touch "ERASE".
    4. Perform DTC Confirmation Procedure. 

      See "DTC CONFIRMATION PROCEDURE ".

    5. Is the 1st trip DTC P0605 displayed again?

    With GST 

    1. Turn ignition switch ON.
    2. Select Service $04 with GST.
    3. Touch "ERASE".
    4. Perform DTC Confirmation Procedure. 

      See "DTC CONFIRMATION PROCEDURE ".

    5. Is the 1st trip DTC P0605 displayed again?

    Yes or No 

    1. Yes: GO TO 2.
    2. No: INSPECTION END 
  2. REPLACE ECM 
    1. Replace ECM.
    2. Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to "ECM RE-COMMUNICATING FUNCTION ".
    3. Perform "VIN REGISTRATION ".
    4. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
    5. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
    6. Perform "IDLE AIR VOLUME LEARNING ".
      1. : INSPECTION END