Power Door Lock Control System: Inspection

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

2 door models driver's door W/Power window, inspect door lock control switch continuity:

Fig 1: Identifying Driver's Door Lock Control Switch Terminals (2DR W/Power Window)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Driver's Door Lock Control Switch Terminal Specifications (2DR W/Power Window)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the switch.
4 door models driver's door W/Power window, inspect door lock control switch continuity:

Fig 3: Identifying Driver's Door Lock Control Switch Terminals (4DR W/Power Window)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Driver's Door Lock Control Switch Terminal Specifications (4DR W/Power Window)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the switch.
Passenger's door W/Power window, inspect door lock control switch continuity:

Fig 5: Identifying Passenger's Door Lock Control Switch Terminals (W/ Power Window)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Passenger's Door Lock Control Switch Specifications Chart (W/ Power Window)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the switch.
W/O Power window, Inspect door lock control swich continuity :

Fig 7: Identifying Passenger's Door Lock Control Switch Terminals (W/O Power Window)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 8: Passenger's Door Lock Control Switch Specifications Chart (W/O Power Window)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the switch.
Front left side door, inspect door key lock and unlock switch continuity:

Fig 9: Identifying Front Left Side Door Key Lock & Unlock Switch Terminals & Test Positions
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 10: Front Left Side Door Key Lock & Unlock Switch Terminal Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the door lock assembly.
Front right side door, inspect door key lock and unlock switch continuity:

Fig 11: Identifying Front Right Side Door Key Lock & Unlock Switch Terminals & Test Positions
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 12: Front Right Side Door Key Lock & Unlock Switch Terminal Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the door lock assembly.
Driver's door, inspect door unlock detection switch continuity:

Fig 13: Identifying Driver's Door Unlock Detection Switch Terminals & Test Positions
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 14: Driver's Door Unlock Detection Switch Specifications Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If continuity is not as specified, replace the door lock assembly.
Front left side door, inspect 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 link moves to UNLOCK, position.
  
  Fig 15: Testing Front Left Side Door Lock Motor Unlock Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock link moves to LOCK position.
  
  Fig 16: Testing Front Left Side Door Lock Motor Lock Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If operation is not as specified, replace the door lock assembly.
Front right side door, inspect 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 link moves to UNLOCK position.
  
  Fig 17: Testing Front Right Side Door Lock Motor Unlock Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock link moves to LOCK position.
  
  Fig 18: Testing Front Right Side Door Lock Motor Lock Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the door lock assembly.
Rear left side door, inspect door lock motor operation (Except Puerto Rico models):
1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
  
  Fig 19: Testing Rear Left Side Door Lock Motor Unlock Position (Except Puerto Rico models)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock link moves to LOCK position.
  
  Fig 20: Testing Rear Left Side Door Lock Motor Lock Position (Except Puerto Rico models)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If operation is not as specified, replace the door lock assembly.
Rear right side door, inspect door lock motor operation (Except Puerto Rico models):
1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
  
  Fig 21: Testing Rear Right Side Door Lock Motor Unlock Position (Except Puerto Rico models)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock link moves to LOCK position.
  
  Fig 22: Testing Rear Right Side Door Lock Motor Lock Position (Except Puerto Rico models)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If operation is not as specified, replace the door lock assembly.
Rear left side door, inspect door lock motor operation (Puerto Rico models):
1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
  
  Fig 23: Testing Rear Left Side Door Lock Motor Unlock Position (Puerto Rico models)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock link moves to LOCK position.
  
  Fig 24: Testing Rear Left Side Door Lock Motor Lock Position (Puerto Rico models)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the door lock assembly.
Rear right side door, inspect door lock motor operation (Puerto Rico models):
1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the door lock link moves to UNLOCK position.
  
  Fig 25: Testing Rear Right Side Door Lock Motor Unlock Position (Puerto Rico models)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity and check that the door lock link moves to LOCK position.
  
  Fig 26: Testing Rear Right Side Door Lock Motor Lock Position (Puerto Rico models)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If operation is not as specified, replace the door lock assembly.
Inspect door lock control relay cicuit :
Disconnect the connector from the door lock control relay and inspect the connector on the wire harness side, as shown in the chart.

Fig 27: Identifying Door Lock Control Relay Cicuit Terminals (Wire Harness Side)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 28: Door Lock Control Relay Cicuit Terminal Specifications (Wire Harness Side)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE: When the relay circuit is as specified, inspect the door lock signal.

Driver's door lock signal:
Inspect door lock control relay operation
1. Connect the positive (+) lead from the voltmeter to terminal 2 and the negative (-) lead to terminal 1.
  
  Fig 29: Testing Door Lock Control Relay Operation (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Set the door lock control switch to UNLOCK and check that the voltage rises from 0 V to battery positive voltage for approximately 0.2 seconds.
3. Reverse the polarity of the voltmeter leads.
  
  Fig 30: Testing Door Lock Control Relay Operation (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Set the door lock control switch to LOCK and check that the voltage rises from 0 V to battery positive voltage for approximately 0.2 seconds.
  If operation is not as specified, replace the relay.

NOTE: When the relay circuit is as specified, inspect the door lock signal.

Except driver's door lock signal:
Inspect door lock control relay operation :
1. Connect the positive (+) lead from the voltmeter to terminal 13 and the negative (-) lead to terminal 1.
  
  Fig 31: Testing Door Lock Control Relay Operation (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Set the door lock control switch to UNLOCK and check that the voltage rises from 0 V to battery positive voltage for approximately 0.2 seconds.
3. Reverse the polarity of the voltmeter leads.
  
  Fig 32: Testing Door Lock Control Relay Operation (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Set the door lock control switch to LOCK and check that the voltage rises from 0 V to battery positive voltage for approximately 0.2 seconds.
  If operation is not as specified, replace the relay.