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Home >> Toyota >> 2007 >> Camry Solara SLE, 2D Convertible >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Door Lock >> Power Door Lock Control System >> Key Lock-in Prevention Function does not Work Properly >> Inspection Procedure

Inspection Procedure

  1. CHECK WIRE HARNESS (MULTIPLEX NETWORK BODY ECU - BODY GROUND) 
    1. Disconnect the B6 ECU connector.
    2. Measure the resistance of the wire harness side connector.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      B6-21 (KSW) -Body ground 1: No key in ignition key cylinder →
      2: Key inserted      		 1: 10 kΩ or higher →
      2: Below 1 Ω

    OK: Go to step  4

    NG: Go to step 2 

    Fig 1: Identifying B6 ECU Connector Terminals
    G05132188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT UNLOCK WARNING SWITCH ASSEMBLY 
    Fig 2: Inspecting Unlock Warning Switch Assembly
    G04966468Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the unlock warning switch.
    2. Measure the resistance of the switch.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION

      Tester Connection Switch Condition Specified Condition
      1 - 2 Not pushed 10 kΩ or higher
      1 - 2 Pushed Below 1 Ω

    NG: REPLACE UNLOCK WARNING SWITCH ASSEMBLY 

    OK: Go to next step 

  3. CHECK WIRE HARNESS (UNLOCK WARNING SWITCH - MPX BODY ECU AND BODY GROUND) 
    1. Disconnect the U1 switch connector.
    2. Disconnect the B6 ECU connector.
      Fig 3: Identifying U1 Switch And B6 ECU Connector Terminals
      G05132190Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      U1-2 - B6-21 (KSW) Below 1 Ω
      U1-1 - Body ground Below 1 Ω
      U1-2 or B6-21 (KSW) - Body ground 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: Go to next step 

  4. CHECK FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (DRIVER SIDE) 
    1. Move the room light switch to the DOOR position and open the driver side door. Then check that the room light turns ON.

      OK: 

      Room light turns ON. 

    NG: Go to step 5 

    OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 

  5. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (DRIVER SIDE) 
    Fig 4: Inspecting Front Door Courtesy Light Switch Assembly (Driver Side)
    G05132191Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the courtesy light switch.
    2. Measure the resistance of the switch.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION

      Tester Connection Switch Condition Specified Condition
      1 - Body ground Not pushed (ON) Below 1 Ω
      1 - Body ground Pushed (OFF) 10 kΩ or higher

    NG: REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY 

    OK: Go to next step 

  6. CHECK HARNESS AND CONNECTOR (COURTESY LIGHT SWITCH - MULTIPLEX NETWORK BODY ECU) 
    1. Disconnect the D5 switch connector.
    2. Disconnect the B8 ECU connector.
      Fig 5: Identifying D5 Switch And B8 ECU Connector Terminals
      G05132192Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      D5-1 - B8-14 (DCTY) Below 1 Ω
      D5-1 or B8-14 (DCTY) - Body ground 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: REPLACE UNLOCK WARNING SWITCH ASSEMBLY 

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