Power Door Lock Control System: Inspection

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

Inspect driver door key lock and unlock switch continuity :

Fig 1: Identifying Driver's Door Key Lock & Unlock Switch Positions & Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Driver's Door Key Lock & Unlock Switch Terminal Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the door lock motor.
Inspect passenger's door key lock and unlock switch continuity :

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

Fig 4: Passenger's Door Key Lock & Unlock Switch Terminal Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the door lock motor.
Inspect driver's door unlock detection switch continuity :

Fig 5: Identifying Driver's Door Unlock Detection Switch Positions & Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Driver's Door Unlock Detection Switch Terminal Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the door lock motor.
Inspect passenger's door unlock detection switch continuity :

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

Fig 8: Passenger's Door Unlock Detection Switch Terminal Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the door lock motor.
Inspect rear door unlock detection switch continuity :

Fig 9: Identifying Rear Door Unlock Detection Switch Positions & Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 10: Rear Door Unlock Detection Switch Terminal Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the door lock motor.
Inspect driver's door lock motor operation :
1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the door lock cable moves to UNLOCK position.
  
  Fig 11: Testing Driver's Door Lock Motor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock cable moves to LOCK position.
  If operation is not as specified, replace the door lock motor.
Inspect passenger's door lock motor operation :
1. Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 6, and check that the door lock cable moves to UNLOCK position.
  
  Fig 12: Testing Passenger's Door Lock Motor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock cable moves to LOCK position.
  If operation is not as specified, replace the door lock motor.
Inspect rear left side door lock motor operation :
1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the door lock cable moves to UNLOCK position.
  
  Fig 13: Testing Rear Left Side Door Lock Motor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock cable moves to LOCK position.
  If operation is not as specified, replace the door lock motor.
Inspect rear right side door lock motor operation :
1. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 4, and check that the door lock cable moves to UNLOCK position.
  
  Fig 14: Testing Rear Right Side Door Lock Motor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock cable moves to LOCK position.
  If operation is not as specified, replace the door lock motor.
Inspect back door lock motor operation :
1. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 4, and check that the door lock cable moves to UNLOCK position.
  
  Fig 15: Testing Back Door Lock Motor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock cable moves to LOCK position.
  If operation is not as specified, replace the door lock motor.
3. Inspect back door unlock detection switch continuity :
  
  Fig 16: Identifying Back Door Unlock Detection Switch Positions & Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 17: Back Door Unlock Detection Switch Positions & Terminal Specifications
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If continuity is not as specified, replace the back door lock motor.
4. Inspect back door key lock and unlock control switch continuity :
  
  Fig 18: Testing Back Door Key Lock & Unlock Control Switch & Identifying Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 19: Back Door Key Lock & Unlock Control Switch Terminal Specifications
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If continuity is not as specified, replace the switch.