REAR SUNSHADE SYSTEM Only Front Switch Cannot Operate Rear Sunshade

DESCRIPTION

A rear sunshade switch signal is sent from the integration control and panel assembly to the combination switch assembly. Then the signal is sent through LIN communication to the outer mirror switch, which then sends the signal through CAN communication to the rear junction block ECU, and the rear sunshade operates.

WIRING DIAGRAM

A01GN3IE04

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      No DTC is output A
      DTC U1114 is output (for LHD) B
      DTC U1114 is output (for RHD) C
      DTC U1127 is output D

    B
    C
    D
    A
  2. READ VALUE USING INTELLIGENT TESTER (REAR SUNSHADE SWITCH)


    1. Use the Data List to check if the rear sunshade switch is functioning properly Click here.

      Center Console Switch
      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
    OK
  3. CHECK COMBINATION SWITCH ASSEMBLY


    1. Temporarily replace the combination switch assembly with a new one or normally functioning one.


    2. Check the rear sunshade system operate normally.

      OK
      Rear sunshade raises or lowers.

    NG
    OK
  4. INSPECT INTEGRATION CONTROL AND PANEL ASSEMBLY


    1. A01GLKVE05

      Remove the integration control and panel assembly Click here.

    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance
      Tester Connection Switch Condition Specified Condition
      z14-3 - z14-9 Rear sunshade switch is pushed Below 200 Ω
      z14-3 - z14-9 Rear sunshade switch is not pushed 10 kΩ or higher
      Result
      Result Proceed to
      OK (for AA80E) A
      OK (for AA80F) B
      NG C

    B
    C
    A