Power Door Lock Control System: Inspection

WARNING: This page is about a different car, the 2002 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT DRIVER'S DOOR LOCK CONTROL SWITCH CONTINUITY
If continuity is not as specified, replace the switch.

Fig 1: Identifying Driver's Door Lock Control Switch Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Identifying Driver's Door Lock Control Switch Test Parameters
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Driver's door:
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH CONTINUITY

If continuity is not as specified, replace the switch.

Fig 3: Identifying Driver's Door Key Lock And Unlock Switch Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Identifying Driver's Door Key Lock And Unlock Switch Test Parameters
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Passenger's door:
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH CONTINUITY

If continuity is not as specified, replace the switch.

Fig 5: Identifying Passenger's Door Key Lock And Unlock Switch Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Identifying Passenger's Door Key Lock And Unlock Switch Test Parameters
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Driver's door:
INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY

If continuity is not as specified, replace the switch.

Fig 7: Identifying Driver's Door Unlock Detection Switch Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 8: Identifying Driver's Door Unlock Detection Switch Test Parameters
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Passenger's door:
INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY

If continuity is not as specified, replace the switch.

Fig 9: Identifying Passenger's Door Unlock Detection Switch Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 10: Identifying Passenger's Door Unlock Detection Switch Test Parameters
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Driver's door:
INSPECT DOOR LOCK MOTOR OPERATION
1. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 5, and check that the door lock link moves to UNLOCK position.
  
  Fig 11: Testing Driver's Door Lock Motor Operation
  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.
Passenger's door:
INSPECT DOOR LOCK MOTOR OPERATION
1. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, and check that the door lock link moves to UNLOCK position.
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 12: Testing Passenger's Door Lock Motor Operation
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT DRIVER'S DOOR PTC THERMISTOR OPERATION
1. Connect the negative (-) lead from the ammeter to terminal 6, and the positive (+) lead to negative terminal of the battery.
  
  Fig 13: Testing Driver's Door PTC Thermistor Operation (Unlock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the negative (-) lead from the battery to terminal 5.
3. Check that the current changes from approximately 3.2 A to less than 0.5 A within 20 to 70 seconds.
4. Disconnect the leads from terminals.
5. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 6, and check that the door lock moves to the LOCK position.
  
  Fig 14: Testing Driver's Door PTC Thermistor Operation (Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the door lock assembly.
INSPECT PASSENGER'S DOOR PTC THERMISTOR OPERATION
1. Connect the negative (-) lead from the ammeter to terminal 2, and the positive (+) lead to negative terminal of the battery.
  
  Fig 15: Testing Passenger's Door PTC Thermistor Operation (Unlock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the negative (-) lead from the battery to terminal 1.
3. Check that the current changes from approximately 3.2 A to less than 0.5 A within 20 to 70 seconds.
4. Disconnect the leads from terminals.
5. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the door lock moves to the LOCK position.
  
  Fig 16: Testing Passenger's Door PTC Thermistor Operation (Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the door lock assembly.
INSPECT DRIVER'S DOOR PTC THERMISTOR OPERATION
1. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 5.
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 17: Testing Driver's Door PTC Thermistor For Change In Current
  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.
  
  Fig 18: Testing Driver's Door PTC Thermistor Operation (Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the door lock assembly.
INSPECT PASSENGER'S DOOR PTC THERMISTOR OPERATION
1. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1.
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: Testing Passenger's Door PTC Thermistor For Change In Current
  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.
  
  Fig 20: Testing Passenger's Door PTC Thermistor Operation (Lock)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the door lock assembly.