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Inspection Procedure

WARNING: This page is about a different car, the 2008 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. Disconnect the S17 switch connector.
    3. Measure the resistance of the wire harness side connectors.

      Resistance 

      CONVERTIBLE CONTROL ECU - CONVERTIBLE SWITCH AND BODY GROUND

      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
    Fig 1: Identifying C18 ECU Connector And S17 Switch Connector Terminals
    G05132830Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE CONVERTIBLE ROOF CONTROL ECU 

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