Section 543 (Power Door Lock Control System): Inspection

WARNING: This page is about a different car, the 2005 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Master switch:

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

Fig 1: Identifying Driver's Door Lock Control Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the switch.

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 Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front door:

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 Door Unlock Position & Detection Switch Terminals (Front Door)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Rear door:

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

Fig 4: Identifying Door Unlock Position & Detection Switch Terminals (Rear Door)

If continuity is not as specified, replace the switch.

Back door:

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

Fig 5: Identifying Door Unlock Position & Detection Switch Terminals (Back Door)

If continuity is not as specified, replace the switch.

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: Testing Door Lock Motor Operation (Front Door - Unlock)
  Courtesy 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: Testing Door Lock Motor Operation (Front Door - Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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: Testing Door Lock Motor Operation (Rear Door - Unlock)
  Courtesy 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: Testing Door Lock Motor Operation (Rear Door - Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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: Testing Door Lock Motor Operation (Back Door - Unlock)
  Courtesy 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: Testing Door Lock Motor Operation (Back Door - Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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: Testing PTC Thermistor Operation Using An Ammeter (Front Door - Unlock)
  Courtesy 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: Testing PTC Thermistor Operation Using An Ammeter (Front Door - Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Rear 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 14: Testing PTC Thermistor Operation Using An Ammeter (Rear Door - Unlock)
  Courtesy 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: Testing PTC Thermistor Operation Using An Ammeter (Rear Door - Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Back 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 16: Testing PTC Thermistor Operation Using An Ammeter (Back Door - Unlock)
  Courtesy 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: Testing PTC Thermistor Operation Using An Ammeter (Back Door - Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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: Testing PTC Thermistor Operation Using An Ammeter With A Current-Measuring Probe (Front Door - Unlock)
  Courtesy 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: Testing PTC Thermistor Operation Using An Ammeter With A Current-Measuring Probe (Front Door - Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.
  
  Fig 20: Testing PTC Thermistor Operation Using An Ammeter With A Current-Measuring Probe (Rear Door - Unlock)
  Courtesy 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: Testing PTC Thermistor Operation Using An Ammeter With A Current-Measuring Probe (Rear Door - Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Back 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 22: Testing PTC Thermistor Operation Using An Ammeter With A Current-Measuring Probe (Back Door - Unlock)
  Courtesy 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: Testing PTC Thermistor Operation Using An Ammeter With A Current-Measuring Probe (Back Door - Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002