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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 FUSE (ECU-IG, PWR, AM1, TSK) 
    1. Remove the ECU-IG, PWR and AM1 fuses from the instrument panel J/B.
    2. Remove the TSK fuses from the engine room J/B.
    3. Measure the resistance of the fuses.

      Resistance: Below 1 Ω 

    NG: REPLACE FUSE 

    OK: GO TO NEXT STEP 

  2. INSPECT RELAY (IG1, PWR) 
    1. Remove the IG1 and PWR relays from the instrument panel J/B.
    2. Measure the resistance of the relays.
      Fig 1: Inspecting Relay (IG1 And PWR)
      G04388338Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Resistance 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Specified Condition
      3 - 5  10 kΩ or higher 
      - 5  Below 1 Ω 
      (when battery voltage is applied to terminals 1 and 2) 

    NG: REPLACE RELAY 

    OK: GO TO NEXT STEP 

  3. CHECK WIRE HARNESS (INSTRUMENT PANEL J/B - BODY GROUND) 
    1. Disconnect the 2F J/B connector.
    2. Measure the resistance of the wire harness side connector.
      Fig 2: Identifying 2F J/B Connector Terminals
      G04388339Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Resistance 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Specified Condition
      2F-10 - Body ground  Below 1Ω 

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: GO TO NEXT STEP 

  4. CHECK WIRE HARNESS (CONVERTIBLE ROOF CONTROL ECU - BATTERY AND BODY GROUND) 
    1. Disconnect the C17, C18 and C19 ECU connectors.
      Fig 3: Identifying C17, C18 And C19 ECU Connectors Terminals
      G04388340Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance of the wire harness side connectors.

      Standard 

      RESISTANCE SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      C17-8 (IGN2) - Body ground  Always  10 to 14V 
      C17-10 (BTP) - Body ground  Always  10 to 14V 
      C18-5 (EIG) - Body ground  Ignition switch ON  10 to 14V 
      C17-4 (IGN1) - Body ground  Ignition switch ON  10 to 14V 
      C17-2 (GND1) - Body ground  Always  Below 1 Ω 
      C19-10 (GND2) - Body ground  Always  Below 1 Ω 
      C18-9 (GND3) - Body ground  Always  Below 1 Ω 

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: REPLACE CONVERTIBLE ROOF CONTROL ECU 

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