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Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis >> Body & Frame >> Exterior/Interior Trim >> Interior >> Rear Sunshade System >> Only Front Switch Cannot Operate Rear Sunshade >> Inspection Procedure

Inspection Procedure

  1. CHECK DTC OUTPUT 
    1. Clear the DTCs (see DTC CHECK/CLEAR  ).
    2. Check for DTCs (see DTC CHECK/CLEAR  ).

      Result 

    RESULT REFERENCE TABLE

    Result Proceed to
    No DTC is output A
    DTC U1114 is output B
    DTC U1127 is output C

    B: GO TO CAN COMMUNICATION SYSTEM  (See DTC U1114: LOST COMMUNICATION WITH MAIN SWITCH MODULE )

    C: GO TO LIN COMMUNICATION SYSTEM  (See DTC U1127: LOST COMMUNICATION WITH CENTER CONSOLE SWITCH ECU )

    A: Go to Next Step 

  2. READ VALUE USING TECHSTREAM (REAR SUNSHADE SWITCH) 
    1. Use the Data List to check if the rear sunshade switch is functioning properly.

      Center Console Switch 

    TESTER DISPLAY REFERENCE TABLE

    Tester Display Measurement Item/Range (Display) Normal Condition Diagnostic Note
    Rear Shade Switch Rear sunshade switch / ON or OFF ON: Rear sunshade switch is pressed
    OFF: Rear sunshade switch is not pressed
    -

    OK: Rear sunshade raises or lowers. 

    NG:  Go to step  3

    OK: REPLACE NO. 1 CONSOLE SWITCH  (See REMOVAL  )

  3. INSPECT NO. 2 CONSOLE SWITCH 
    1. Disconnect the No. 2 console switch connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

    STANDARD RESISTANCE SPECIFICATION TABLE

    Tester Connection Switch Condition Specified Condition
    8 - 12 Rear sunshade switch Is pushed Below 200 Ω
    8 - 12 Rear sunshade switch Is not pushed 10 kΩ or higher
    Fig 1: Identifying No. 2 Console Switch Connector
    G04946652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE NO. 2 CONSOLE SWITCH  (See REMOVAL  )

    OK: REPLACE NO. 1 CONSOLE SWITCH  (See REMOVAL  )