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Power Door Lock Control System: Inspection

  1. Master switch: 

    INSPECT DRIVER'S DOOR LOCK CONTROL SWITCH CONTINUITY 

    Fig 1: Identifying Master Switch Connector Terminal
    G02827567Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    SWITCH CONTINUITY

    Switch position Tester connection Specified condition
    LOCK 3 - 4 Continuity
    OFF - No continuity
    UNLOCK 3 - 14 Continuity

    If continuity is not as specified, replace the switch.

  2. INSPECT PASSENGER'S DOOR LOCK CONTROL SWITCH CONTINUITY 
    Fig 2: Identifying Passenger's Door Lock Control Switch Connector Terminal
    G02827568Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONTROL SWITCH CONTINUITY

    Switch position Tester connection Specified condition
    LOCK 3 - 2 Continuity
    OFF - No continuity
    UNLOCK 1 - 2 Continuity

    If continuity is not as specified, replace the switch.

  3. Front door: 

    INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 

    Fig 3: Identifying Unlock Front Door Switch
    G02827569Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    UNLOCK FROM DOOR SWITCH CONTINUITY

    Switch position Tester connection Specified condition
    OFF (Door Lock set to LOCK) - No continuity
    ON (Door Lock set to UNLOCK) 1 - 4 Continuity

    If continuity is not as specified, replace the switch.

  4. Rear door: 

    INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 

    Fig 4: Identifying Rear Door Lock Switch
    G02827570Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    REAR DOOR SWITCH CONTINUITY

    Switch position Tester connection Specified condition
    OFF (Door Lock set to LOCK) - No continuity
    ON (Door Lock set to UNLOCK) 1 - 4 Continuity

    If continuity is not as specified, replace the switch.

  5. Back door: 

    INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 

    Fig 5: Identifying Back Door Unlock Switch
    G02827571Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    BACK DOOR CONTINUITY

    Switch position Tester connection Specified condition
    OFF (Door Lock set to LOCK) - No continuity
    ON (Door Lock set to UNLOCK) 1 - 4 Continuity

    If continuity is not as specified, replace the switch.

  6. Front door: 

    INSPECT DOOR LOCK MOTOR OPERATION 

    1. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
      Fig 6: Checking Front Door Lock Link Moves To UNLOCK Position
      G02827572Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reverse the polarity and check that the door lock link moves to LOCK position.
    Fig 7: Checking Front Door Lock Link Moves To LOCK Position
    G02827573Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the door lock assembly.

  7. Rear door: 

    INSPECT DOOR LOCK MOTOR OPERATION 

    1. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
      Fig 8: Checking Rear Door Lock Link Moves To UNLOCK Position
      G02827574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reverse the polarity and check that the door lock link moves to LOCK position.
      3. Fig 9: Checking Rear Door Lock Link Moves To LOCK Position
      G02827575Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the door lock assembly.

  8. Back door: 

    INSPECT DOOR LOCK MOTOR OPERATION 

    1. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
      Fig 10: Checking Back Door Lock Link Moves To UNLOCK Position
      G02827576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reverse the polarity and check that the door lock link moves to LOCK position.
      3. Fig 11: Checking Back Door Lock Link Moves To LOCK Position
      G02827577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the door lock assembly.

  9. Front door: 

    INSPECT PTC THERMISTOR OPERATION (Using an ammeter) 

    1. Connect the negative (-) lead from the battery to terminal 2.
    2. Connect the positive (+) lead from the ammeter to terminal 3 and the negative (-) lead to battery negative (-) terminal, and check that the current changes from approximately 3.2 A to less than 0.5 A within 20 to 70 seconds.
      Fig 12: Inspecting PTC Thermistor Operation Front Door Using Ammeter (1 Of 2)
      G02827578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the leads from terminals.
    4. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 3, and check that the door lock moves to the LOCK position.
      5. Fig 13: Inspecting PTC Thermistor Operation Front Door Using Ammeter (2 Of 2)
      G02827579Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the door lock assembly.

  10. Rear door: 

    INSPECT PTC THERMISTOR OPERATION (Using an ammeter) 

    Fig 14: Inspecting PTC Thermistor Operation Rear Door Using Ammeter (1 Of 2)
    G02827580Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Connect the negative (-) lead from the battery to terminal 2.
    2. Connect the positive (+) lead from the ammeter to terminal 3 and the negative (-) lead to battery negative (-) terminal, and check that the current changes from approximately 3.2 A to less than 0.5 A within 20 to 70 seconds.
      Fig 15: Inspecting PTC Thermistor Operation Rear Door Using Ammeter (2 Of 2)
      G02827581Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the leads from terminals.
    4. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 3, and check that the door lock moves to the LOCK position.

    If operation is not as specified, replace the door lock assembly.

  11. Backdoor: 

    INSPECT PTC THERMISTOR OPERATION (Using an ammeter) 

    1. Connect the negative (-) lead from the battery to terminal 2.
    2. Connect the positive (+) lead from the ammeter to terminal 3 and the negative (-) lead to battery negative (-) terminal, and check that the current changes from approximately 3.2 A to less than 0.5 A within 20 to 70 seconds.
      Fig 16: Inspecting PTC Thermistor Operation Back Door Using Ammeter (1 Of 2)
      G02827582Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the leads from terminals.
    4. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 3, and check that the door lock moves to the LOCK position.
      5. Fig 17: Inspecting PTC Thermistor Operation Back Door Using Ammeter (2 Of 2)
      G02827583Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the door lock assembly.

  12. Front door: 

    INSPECT PTC THERMISTOR OPERATION (Using an ammeter with a current-measuring probe) 

    1. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 2.
    2. Attach a current-measuring probe to either the positive (+) lead or the negative (-) lead, and check that the current changes from approximately 3.2 A to less than 0.5 A within 20 to 70 seconds.
      Fig 18: Inspecting PTC Thermistor Operation Front Door (1 Of 2)
      G02827584Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the leads from terminals.
    4. Approximately 60 seconds later, reverse the polarity, and check that the door lock moves to the LOCK position.
      5. Fig 19: Inspecting PTC Thermistor Operation Front Door (2 Of 2)
      G02827585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the door lock assembly.

  13. Rear door: 

    INSPECT PTC THERMISTOR OPERATION (Using an ammeter with a current-measuring probe) 

    1. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 2.
    2. Attach a current-measuring probe to either the positive (+) lead or the negative (-) lead, and check that the current changes from approximately 3.2 A to less than 0.5 A within 20 to 70 seconds.
      3. Fig 20: Inspecting PTC Thermistor Operation Rear Door (1 Of 2)
      G02827586Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the leads from terminals.
    4. Approximately 60 seconds later, reverse the polarity, and check that the door lock moves to the LOCK position.
      5. Fig 21: Inspecting PTC Thermistor Operation Rear Door (2 Of 2)
      G02827587Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the door lock assembly.

  14. Backdoor: 

    INSPECT PTC THERMISTOR OPERATION (Using an ammeter with a current-measuring probe) 

    1. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 2.
    2. Attach a current-measuring probe to either the positive (+) lead or the negative (-) lead, and check that the current changes from approximately 3.2 A to less than 0.5 A within 20 to 70 seconds.
      Fig 22: Inspecting PTC Thermistor Operation Back Door (1 Of 2)
      G02827588Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the leads from terminals.
    4. Approximately 60 seconds later, reverse the polarity, and check that the door lock moves to the LOCK position.
      5. Fig 23: Inspecting PTC Thermistor Operation Back Door (2 Of 2)
      G02827589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the door lock assembly.

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