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Home › Toyota › 2008 › RAV4 Base, 2.4 D, AWD › 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. READ VALUE OF TECHSTREAM (UNLOCK WARNING SWITCH) 
    1. Use the Data List to check if the unlock warning switch is functioning properly.

      Main body 

      MEASUREMENT ITEM/RANGE CHART

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Key Unlock Warning SW Unlock warning switch signal / ON or OFF ON: Key is in ignition key cylinder
      OFF: No key is in ignition key cylinder      		 -

      OK: 

      When the switch is operating, Techstream should display as shown in the table. 

    NG: Go to step  5

    OK: Go to next step 

  2. READ VALUE OF TECHSTREAM (DRIVER SIDE DOOR COURTESY LIGHT SWITCH) 
    1. Use the Data List to check if the door courtesy light switch is functioning properly.

      Main body 

      MEASUREMENT ITEM/RANGE CHART

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      D Door Courtesy SW Driver side door courtesy light switch signal / ON or OFF ON: Driver side door is open
      OFF: Driver side door is closed      		 -

      OK: 

      When the switch is operating, Techstream should display as shown in the table. 

    OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU) 

    NG: Go to next step 

  3. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH 
    1. Remove the front door courtesy light switch.
      2. Fig 1: Inspecting Front Door Courtesy Switch Assembly (Driver Side)
      G05113837Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the switch.

      Standard resistance 

      STANDARD RESISTANCE

      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 LH 

    OK: Go to next step 

  4. CHECK WIRE HARNESS (ECU - SWITCH) 
    1. Disconnect the K7 switch connector.
    2. Disconnect the IA junction block connector.
      Fig 2: Identifying K7 Switch And IA Junction Block Connector Terminals
      G05586119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      STANDARD RESISTANCE

      Tester Connection Specified Condition
      K7-1 - IA-21 (DCTY) Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU) 

  5. INSPECT UNLOCK WARNING SWITCH ASSEMBLY 
    1. Remove the unlock warning switch.
      Fig 3: Identifying Unlock Warning Switch Assembly
      G05586120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the switch.

      Standard resistance 

      STANDARD RESISTANCE

      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 

  6. CHECK WIRE HARNESS (SWITCH - ECU) 
    1. Disconnect the E6 switch connector.
    2. Disconnect the IE junction block connector.
      Fig 4: Identifying E6 Switch And IE Junction Block Connector Terminals
      G05586121Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      STANDARD RESISTANCE

      Tester Connection Specified Condition
      E6-2 - Body ground Below 1 Ω
      E6-1 - IE-26 (KSW) Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU) 

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