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Section 335 (Power Door Lock Control System): Inspection

WARNING: This page is about a different car, the 2004 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. Master switch: 
    1. INSPECT DRIVER'S DOOR LOCK CONTROL SWITCH CONTINUITY 
    DRIVER'S DOOR LOCK CONTROL 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.

    Fig 1: Identifying Driver's Door Lock Control Switch Connector Terminal
    G02904436Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT PASSENGER'S DOOR LOCK CONTROL SWITCH CONTINUITY 
    PASSENGER'S DOOR LOCK 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.

    Fig 2: Identifying Passenger's Door Lock Control Switch Connector's Terminals
    G02904437Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Front door: 
    1. INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 
    DOOR UNLOCK DETECTION 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.

    Fig 3: Identifying Front Door Unlock Position
    G02904438Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Rear door: 
    1. INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 
    DOOR UNLOCK DETECTION 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.

    Fig 4: Identifying Rear Door Unlock Position
    G02904439Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. Back door: 
    1. INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 
    DOOR UNLOCK DETECTION 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.

    Fig 5: Identifying Back Door Unlock Position
    G02904440Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. Front door: 
    1. 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
      G02904441Courtesy 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 7: Checking Front Door Lock Link Moves To Lock Position
    G02904442Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. Rear door: 
    1. 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
      G02904443Courtesy 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 9: Checking Rear Door Lock Link Moves To Lock Position
    G02904444Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. Back door: 
    1. 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
      G02904445Courtesy 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 11: Checking Back Door Lock Link Moves To Lock Position.
    G02904446Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. Front door: 
    1. 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: Checking Current Changes From Approximately 3.2 A To Less Than 0.5 A Within 20 To 70 Second (Front Door)
      G02904447Courtesy 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.

    Fig 13: Checking Front Door Lock Moves To Lock Position
    G02904448Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. Rear door: 
    1. 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 14: Checking Current Changes From Approximately 3.2 A To Less Than 0.5 A Within 20 To 70 Seconds (Rear Door)
      G02904449Courtesy 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.

    Fig 15: Checking Rear Door Lock Moves To Lock Position
    G02904450Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. Back door: 
    1. 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: Checking Current Changes From Approximately 3.2 A To Less Than 0.5 A Within 20 To 70 Seconds (Back Door)
      G02904451Courtesy 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.

    Fig 17: Checking Back Door Lock Moves To Lock Position
    G02904452Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. Front door: 
    1. 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: Attaching Current-Measuring Probe (Front Door)
      G02904453Courtesy 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 19: Disconnecting Leads From Terminals (Front Door)
    G02904454Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. Rear door: 
    1. 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 20: Attaching Current Measuring Probe (Rear Door)
      G02904455Courtesy 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 21: Disconnecting Leads From Terminals (Rear Door)
    G02904456Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. Back door: 
    1. 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: Attaching Current-Measuring Probe (Back Door)
      G02904457Courtesy 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 23: Disconnecting Leads From Terminals (Back Door)
      G02904458Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002