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Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT CONVERTIBLE ROOF CONTROL SWITCH 

    NG: REPLACE CONVERTIBLE ROOF CONTROL SWITCH 

    OK: GO TO NEXT STEP 

  2. CHECK WIRE HARNESS (CONVERTIBLE CONTROL ECU - CONVERTIBLE SWITCH AND BODY GROUND) 
    1. Disconnect the C18 ECU connector.
      2. Fig 1: Identifying C18 ECU Connector And S17 Switch Connector Terminals
      G04388336Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the S17 switch connector.
    3. Measure the resistance of the wire harness side connectors.

      Resistance 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Specified Condition
      C18-1 (TPU) - S17-3 (CLS)  Below 1 Ω 
      C18-6 (TPD) - S17-5 (OPEN)  Below 1 Ω 
      S17-6 (E) - Body ground  Below 1 Ω 
      S17-3 (CLS) - Body ground  10 kΩ or higher 
      S17-5 (OPEN) - Body ground  10 kΩ or higher 

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE CONVERTIBLE ROOF CONTROL ECU 

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