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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 891 (Engine Control System (Diagnostic Codes & Symptom Tests)) >> DTC/Circuit Diagnosis >> DTC P0607: ECM >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECTION START 

    With CONSULT 

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

      See "DTC CONFIRMATION PROCEDURE ".

    5. Is the DTC P0607 displayed again?

    With GST 

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

      See "DTC CONFIRMATION PROCEDURE ".

    4. Is the DTC P0607 displayed again?

      Yes or No 

      Yes: GO TO 2.

      No: INSPECTION END

  2. REPLACE ECM 
    1. Replace ECM.
    2. Perform initialization of NVIS(NATS) system and registration of all NVIS(NATS) ignition key IDs. Refer to "ECM RE-COMMUNICATING FUNCTION: SPECIAL REPAIR REQUIREMENT " (With intelligent key system) or "ECM RE-COMMUNICATING FUNCTION: SPECIAL REPAIR REQUIREMENT " (Without intelligent key system).
    3. Perform "VIN REGISTRATION ".
    4. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
    5. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
    6. < Flexible Fuel Vehicle > 

      Perform "ETHANOL MIXTURE RATIO ADAPTATION (FLEXIBLE FUEL VEHICLE) ".

    7. Perform "IDLE AIR VOLUME LEARNING ".

      :INSPECTION END