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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 894 (Security Control System (Without Intelligent Key System)) >> DTC/Circuit Diagnosis >> DTC P1611: Id Discord, IMMU-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. PERFORM INITIALIZATION 

    Perform initialization with CONSULT. Re-register all mechanical keys.

    For initialization and registration of mechanical key. Refer to CONSULT Immobilizer mode and follow the onscreen instructions.

    Can the system be initialized and can the engine be started with re-registered mechanical key? 

    YES: ID was unregistered.

    NO: GO TO 2

  2. PEPLACE BCM 
    1. Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
    2. Perform initialization with CONSULT. Re-register all mechanical keys.

      For initialization and registration of mechanical key. Refer to CONSULT Immobilizer mode and follow the on-screen instructions.

      Can the system be initialized and can the engine be started with re-registered mechanical key? 

      YES: BCM is malfunctioning.

      NO: GO TO 3

  3. PEPLACE ECM 
    1. Replace ECM. Refer to REMOVAL AND INSTALLATION .
    2. Perform initialization with CONSULT. Re-register all mechanical keys.

      For initialization and registration of mechanical key. Refer to CONSULT Immobilizer mode and follow the on-screen instructions.

      Can the system be initialized and can the engine be started with re-registered mechanical key? 

      YES: ECM is malfunctioning.

      NO: GO TO 4

  4. CHECK INTERMITENT INCIDENT 

    Refer to "INTERMITTENT INCIDENT ".

    :Inspection End.