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Power Door Lock Control System: Inspection

  1. Master switch: 

    INSPECT DRIVER'S DOOR LOCK CONTROL SWITCH CONTINUITY 

    SWITCH POSITION SPECIFIED CONDITION

    Switch position Tester connection Specified condition
    LOCK 3 - 4 Continuity
    OFF - No continuity
    UNLOCK 3 - 14 Continuity
    Fig 1: Identifying Driver's Door Lock Control Switch Connector
    G02994085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If continuity is not as specified, replace the switch.

  2. INSPECT PASSENGER'S DOOR LOCK CONTROL SWITCH CONTINUITY 
    SWITCH POSITION SPECIFIED CONDITION

    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.

    Fig 2: Identifying Passenger's Door Lock Control Switch Connector
    G02994086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT DOOR KEY LOCK AND UNLOCK SWITCH CONTINUITY 
    SWITCH POSITION SPECIFIED CONDITION

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

    If continuity is not as specified, replace the switch.

    Fig 3: Inspecting Door Key Lock And Unlock Switch Continuity
    G02994087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Front door: 

    INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 

    SWITCH POSITION SPECIFIED CONDITION

    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.

    Fig 4: Inspecting Door Unlock Detection Switch Continuity
    G02994088Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. Rear door: 

    INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 

    SWITCH POSITION SPECIFIED CONDITION

    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.

    Fig 5: Inspecting Door Unlock Detection Switch Continuity
    G02994089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. Back door: 

    INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 

    SWITCH POSITION SPECIFIED CONDITION

    Switch position Tester connection Specified condition
    OFF (Door Lock set to LOCK) - No continuity
    ON (Door Lock set to UNLOCK) 1 -4 Continuity
    Fig 6: Inspecting Door Unlock Detection Switch Continuity
    G02994090Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If continuity is not as specified, replace the switch.

  7. Back door: 

    INSPECT DOOR UNLOCK DETECTION SWITCH CIRCUIT (See  DOOR UNLOCK DETECTION SWITCH CIRCUIT  ) 

  8. Front door: 

    INSPECT DOOR LOCK MOTOR OPERATION 

    1. Connect the battery positive (+) lead to terminal 3 and the battery negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
      Fig 7: Inspecting Door Lock Motor Operation
      G02994091Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reverse the polarity and check that the door lock link moves to LOCK position.

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

    Fig 8: Checking Door Lock Link Moves To Lock Position
    G02994092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. Rear door: 

    INSPECT DOOR LOCK MOTOR OPERATION 

    1. Connect the battery positive (+) lead to terminal 3 and the battery negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
      Fig 9: Inspecting Door Lock Motor Operation
      G02994093Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reverse the polarity and check that the door lock link moves to LOCK position.

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

    Fig 10: Checking Door Lock Link Moves To Lock Position
    G02994094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. Backdoor: 

    INSPECT DOOR LOCK MOTOR OPERATION 

    1. Connect the battery positive (+) lead to terminal 3 and the battery negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
      Fig 11: Inspecting Door Lock Motor Operation
      G02994095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reverse the polarity and check that the door lock link moves to LOCK position.

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

  11. Backdoor: 

    INSPECT DOOR LOCK MOTOR CIRCUIT (See  DOOR LOCK MOTOR CIRCUIT  ) 

    Fig 12: Checking Door Lock Link Moves To Lock Position
    G02994096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. Front door: 

    INSPECT PTC THERMISTOR OPERATION (Using an ammeter) 

    1. Connect the battery negative (-) lead to terminal 2.
    2. Connect the ammeter positive (+) lead to terminal 3 and the ammeter negative (-) lead to the 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 13: Inspecting PTC Thermistor Operation (Using An Ammeter)
      G02994097Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the leads from terminals.
    4. Approximately 60 seconds later, connect the battery positive (+) lead to terminal 2 and the battery 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.

    Fig 14: Checking Door Lock Link Moves To Lock Position
    G02994098Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. Rear door: 

    INSPECT PTC THERMISTOR OPERATION (Using an ammeter) 

    1. Connect the battery negative (-) lead to terminal 2.
    2. Connect the ammeter positive (+) lead to terminal 3 and the ammeter 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 (Using An Ammeter)
      G02994099Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the leads from terminals.
    4. Approximately 60 seconds later, connect the battery positive (+) lead to terminal 2 and the battery 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.

    Fig 16: Checking Door Lock Moves To Lock Position
    G02994100Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. Backdoor: 

    INSPECT PTC THERMISTOR OPERATION (Using an ammeter) 

    1. Connect the battery negative (-) lead to terminal 2.
    2. Connect the ammeter positive (+) lead to terminal 3 and the ammeter 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 17: Inspecting PTC Thermistor Operation (Using An Ammeter)
      G02994101Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the leads from terminals.
    4. Approximately 60 seconds later, connect the battery positive (+) lead to terminal 2 and the battery 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.

    Fig 18: Checking Door Lock Moves To Lock Position
    G02994102Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. Front door: 

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

    1. Connect the battery positive (+) lead to terminal 3 and the battery 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 19: Inspecting PTC Thermistor Operation (Using An Ammeter With A Current-Measuring Probe)
      G02994103Courtesy 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.

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

    Fig 20: Checking Door Lock Moves To LOCK Position
    G02994104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. Rear door: 

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

    1. Connect the battery positive (+) lead to terminal 3 and the battery 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 21: Inspecting PTC Thermistor Operation (Using An Ammeter With A Current-Measuring Probe)
      G02994105Courtesy 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.

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

    Fig 22: Checking Door Lock Moves To LOCK Position
    G02994106Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. Back door: 

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

    1. Connect the battery positive (+) lead to terminal 3 and the battery 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 23: Inspecting PTC Thermistor Operation (Using An Ammeter With A Current-Measuring Probe)
      G02994107Courtesy 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.

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

    Fig 24: Checking Door Lock Moves To LOCK Position
    G02994108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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