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Inspection Procedure

  1. CHECK MANUAL UP / DOWN FUNCTION 
    1. Check that the manual UP / DOWN function using the master switch and regulator switch can operate all the power windows.

      OK: Manual UP / DOWN function operates normally. 

    NG: OTHER PROBLEM 

    OK: Go to Next Step 

  2. CHECK FOR DTC 
    1. Operate the ignition switch. Check if DTC B2780 is output.

      Result 

      RESULT REFERENCE CHART

      Result Proceed to
      DTC B2780 is not output A
      DTC B2780 is output B

    B:  GO TO ENGINE IMMOBILIZER SYSTEM

    A: Go to Next Step 

  3. CHECK OPERATION OF FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY 
    1. Check that the map light illuminates when the driver side door is opened.

      OK: Map light illuminates normally. 

    NG:  GO TO LIGHTING SYSTEM

    OK: REPLACE MULTIPLEX NETWORK DOOR ECU FRONT LH