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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 933 (Roof) >> Symptom Diagnosis >> Sunroof Does Not Operate Properly >> 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. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT 

    Check BCM power supply and ground circuit.

    Refer to "DIAGNOSIS PROCEDURE ".

    : GO TO 2

  2. CHECK SUNROOF MOTOR ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT 

    Check sunroof motor assembly power supply and ground circuit.

    Refer to "SUNROOF MOTOR ASSEMBLY: DIAGNOSIS PROCEDURE ".

    : GO TO 3

  3. CHECK SUNROOF SWITCH CIRCUIT 

    Check sunroof switch circuit.

    Refer to "DIAGNOSIS PROCEDURE ".

    Is the inspection result normal? 

    YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

    NO: Repair or replace malfunctioning parts.