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Inspection Procedure

  1. CHECK WIRE HARNESS (COMBINATION METER ASSEMBLY - BODY GROUND) 
    1. Disconnect the C6 meter connector.
    2. Measure the resistance of the wire harness side connector.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      C6-7 - Body ground Ignition key is inserted Below 1 Ω
      C6-7 - Body ground Ignition key is not inserted 10 kΩ or higher
      Fig 1: Identifying C6 Combination Meter Connector Terminals
      G05541647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: Go to step  3

    OK: Go to next step 

  2. CHECK WIRE HARNESS (COMBINATION METER ASSEMBLY - BODY GROUND) 
    1. Disconnect the C6 meter connector.
    2. Measure the resistance of the wire harness side connector.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      C6-8 - Body ground Driver side door is open Below 1 Ω
      C6-8 - Body ground Driver side door is closed 10 kΩ or higher
      Fig 2: Identifying C6 Combination Meter Connector Terminals
      G05541648Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: Go to step  4

    OK: REPLACE COMBINATION METER ASSEMBLY 

  3. INSPECT UNLOCK WARNING SWITCH ASSEMBLY 
    1. Remove the unlock warning switch.
    2. Measure the resistance of the switch.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      1 - 2 Driver side door is open Below 1 Ω
      1 - 2 Driver side door is closed 10 kΩ or higher
      Fig 3: Identifying Unlock Warning Switch Connector Terminals
      G05541649Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE UNLOCK WARNING SWITCH ASSEMBLY 

    OK: REPAIR OR REPLACE HARNESS AND CONNECTOR (UNLOCK WARNING SWITCH CIRCUIT) 

  4. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY 
    1. Disconnect the D9 switch connector.
    2. Measure the resistance of the switch.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      D9-1 - Body ground Driver side door is open Below 1 Ω
      D9-1 - Body ground Driver side door is closed 10 kΩ or higher
      3. Fig 4: Identifying D9 Front Door Courtesy Light Switch Connector
      G05541650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY 

    OK: REPAIR OR REPLACE HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH CIRCUIT) 

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