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Home >> Lexus >> 2011 >> LS 460L RWD >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Exterior Trim >> Rear Sunshade (Diagnostic Codes & Symptom Tests) >> Rear Sunshade System >> Symptom Tests >> Only Front Switch Cannot Operate Rear Sunshade >> Procedure

Only Front Switch Cannot Operate Rear Sunshade: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
    2. Check for DTCs. Refer to DTC CHECK / CLEAR .
      RESULT

      Result Proceed to
      DTC is not output A
      DTC U1114 is output B
      DTC U1127 is output C

    B → See step   4 

    C → See step   5 

    A: Go to next step 

  2. READ VALUE USING TECHSTREAM (CENTER CONSOLE SWITCH) 
    1. Use the Data List to check if the rear sunshade switch is functioning properly. Refer to DATA LIST / ACTIVE TEST .
      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 → See step   3 

    OK → See step   7 

  3. INSPECT INTEGRATION CONTROL AND PANEL ASSEMBLY (NO. 2 CONSOLE SWITCH) 
    Fig 1: Disconnecting the No. 2 Console Switch Connector
    GTY272028Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the No. 2 console switch connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      FOR 5-PASSENGER WITH OTTOMAN:

      Tester Connection Switch Condition Specified Condition
      z16-10 - z16-14 Rear sunshade switch is pushed Below 200 Ω
      z16-10 - z16-14 Rear sunshade switch is not pushed 10 kΩ or higher

      Standard Resistance

      EXCEPT 5-PASSENGER WITH OTTOMAN, W/O OTTOMAN:

      Tester Connection Switch Condition Specified Condition
      z5-8 - z5-12 Rear sunshade switch is pushed Below 200 Ω
      z5-8 - z5-12 Rear sunshade switch is not pushed 10 kΩ or higher

    NG → See step   6 

    OK → See step   8 

  4. GO TO CAN COMMUNICATION SYSTEM. Refer to  DTC U1114: Lost Communication with Main Switch Module  .
  5. GO TO LIN COMMUNICATION SYSTEM. Refer to  DTC U1127: Lost Communication with Center Console Switch ECU  .
  6. REPLACE INTEGRATION CONTROL AND PANEL ASSEMBLY. Refer to  REMOVAL  .
  7. REPLACE COMBINATION SWITCH ASSEMBLY. Refer to  REMOVAL 
  8. REPLACE COMBINATION SWITCH ASSEMBLY. Refer to  REMOVAL