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Inspection Procedure

  1. READ VALUE OF DATA LIST (DOOR LOCK SWITCH) 
    1. Check the DATA LIST for proper functioning of the door unlock detection switch.

      Body ECU: 

      DATA LIST REFERENCE CHART

      Item Measurement Item / Display (Range) Normal Condition Diagnostic Note
      D/L SW-LOCK Door lock switch signal (LOCK) / ON or OFF ON: Door is locked
      OFF: Door is unlocked      		 -
      D/L SW-UNLOCK Door lock switch signal (UNLOCK) / ON or OFF ON: Door is unlocked
      OFF: Door is locked      		 -

    OK: 

    "ON" (door is locked / unlocked) appears on the screen. 

    NG: Go to step 2 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  . 

  2. INSPECT DOOR LOCK CONTROL SWITCH 
    1. Inspect door lock switch (driver side).
      1. Disconnect the multiplex network master switch assembly.
      2. Measure the resistance of the switch when the switch is operated.
      Fig 1: Identifying Door Lock Switch Connector Terminals (Driver Side)
      G05005916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Resistance 

      RESISTANCE REFERENCE CHART

      Tester Connection Door Lock Condition Specified Condition
      1 - 8 ON (Door lock set to UNLOCK) Below 1 Ω
      1 - 5 OFF (Door Lock set to LOCK) Below 1 Ω
    2. Inspect door lock switch (passenger side).
      1. Disconnect the front passenger door lock switch assembly.
      2. Measure the resistance of the switch when the switch is operated.

      Resistance 

      RESISTANCE REFERENCE CHART

      Tester Connection Door Lock Condition Specified Condition
      3 - 5 ON (Door lock set to UNLOCK) Below 1 Ω
      3 - 6 OFF (Door Lock set to LOCK) Below 1 Ω
    Fig 2: Identifying Door Lock Switch Connector Terminals (Passenger Side)
    G05005917Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE DOOR LOCK CONTROL SWITCH 

    OK: Go to Next Step 

  3. CHECK WIRE HARNESS (DOOR LOCK SWITCH ASSEMBLY - INSTRUMENT PANEL J/B 
    1. Inspect driver side.
      1. Disconnect the H6 connector.
      2. Remove the body ECU from instrument panel J/B.
      3. Measure the resistance of the wire harness side connectors.

      Resistance 

      RESISTANCE REFERENCE CHART

      Tester Connection Condition Specified Condition
      9 (L1) - H6-5 Always Below 1 Ω
      12 (UL1) - H6-8 Always Below 1 Ω
      H6-1 - Body ground Always Below 1 Ω
      Fig 3: Identifying H6 Connector
      G05005918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Inspect passenger side.
      1. Disconnect the G5 connector.
      2. Remove the body ECU from instrument panel J/B.
      3. Measure the resistance of the wire harness side connectors.

      Resistance 

      RESISTANCE REFERENCE CHART

      Tester Connection Condition Specified Condition
      9 (L1) - G5-6 Always Below 1 Ω
      12 (UL1) - G5-5 Always Below 1 Ω
      G5-3 - Body ground Always Below 1 Ω
    Fig 4: Identifying G5 Connector
    G05005919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  . 

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