Power Door Lock Control System: Inspection

1. Master switch: 

   INSPECT DRIVER'S DOOR LOCK CONTROL SWITCH CONTINUITY 

   Fig 1: Inspecting Driver'S Door Lock Control Switch Continuity (Master Switch)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   INSPECT DRIVER'S DOOR LOCK CONTROL SWITCH CONTINUITY
   
   

   Switch position	Tester connection	Specified condition
   LOCK	1 - 2	Continuity
   OFF	-	No continuity
   UNLOCK	1 - 5	Continuity

   If continuity is not as specified, replace the switch.

2. INSPECT PASSENGER'S DOOR LOCK CONTROL SWITCH CONTINUITY 
   Fig 2: Inspecting Passenger'S Door Lock Control Switch Continuity (Master Switch)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   INSPECT PASSENGER'S DOOR LOCK CONTROL SWITCH CONTINUITY
   
   

   Switch position	Tester connection	Specified condition
   LOCK	3 - 6	Continuity
   OFF	-	No continuity
   UNLOCK	3 - 5	Continuity

   If continuity is not as specified, replace the switch.

3. Driver's door: 

   INSPECT DOOR KEY LOCK AND UNLOCK SWITCH CONTINUITY 

   Fig 3: Inspecting Door Key Lock And Unlock Switch Continuity (Driver's Door)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   INSPECT DOOR KEY LOCK AND UNLOCK SWITCH CONTINUITY
   
   

   Switch position	Tester connection	Specified condition
   LOCK	3 - 5	Continuity
   OFF	-	No continuity
   UNLOCK	3 - 4	Continuity

   If continuity is not as specified, replace the switch.

4. Passenger's door: 

   INSPECT DOOR KEY LOCK AND UNLOCK SWITCH CONTINUITY 

   Fig 4: Inspecting Door Key Lock And Unlock Switch Continuity (Passenger's Door)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   INSPECT DOOR KEY LOCK AND UNLOCK SWITCH CONTINUITY
   
   

   Switch position	Tester connection	Specified condition
   LOCK	2 - 4	Continuity
   OFF	-	No continuity
   UNLOCK	3 - 4	Continuity

   If continuity is not as specified, replace the switch.

5. Driver's door: 

   INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 

   Fig 5: Inspecting Door Unlock Detection Switch Continuity (Driver'S Door)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   INSPECT 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)	3 - 6	Continuity

   If continuity is not as specified, replace the switch.

6. Passenger's door: 

   INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY 

   Fig 6: Inspecting Door Unlock Detection Switch Continuity (Passenger's Door)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   INSPECT DOOR UNLOCK DETECTION SWITCH CONTINUITY
   
   

   Switch position	Tester connections	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.

7. Driver's 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 7: Inspecting Door Lock Motor Operation (Driver's Door)

      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.

8. Passenger's 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 8: Inspecting Door Lock Motor Operation (Passenger's Door)

      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.

9. Using an ammeter: 

   INSPECT DRIVER'S DOOR PTC THERMISTOR OPERATION 

   1. Connect the negative (-) lead from the battery to terminal 2.
   Fig 9: Connecting Negative (-) Lead From Battery To Terminal 2
   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Connect the positive (+) lead from the ammeter to terminal 1 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.
   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 1, and check that the door lock moves to the LOCK position.
      Fig 10: Connecting Ammeter To Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   If operation is not as specified, replace the door lock assembly.

10. Using an ammeter: 

    INSPECT PASSENGER'S DOOR PTC THERMISTOR OPERATION 

    1. Connect the negative (-) lead from the battery to terminal 6.
    Fig 11: Connecting Negative (-) Lead From Battery To Terminal 6
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the positive (+) lead from the ammeter to terminal 5 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.
    3. Disconnect the leads from terminals.
    4. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 5, and check that the door lock moves to the LOCK position.
       Fig 12: Connecting Battery To Terminals

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the door lock assembly.

11. Using an ammeter with a current-measuring probe: INSPECT DRIVER'S DOOR PTC THERMISTOR OPERATION 
    1. Connect the positive (+) lead from the battery to terminal 1 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
       Fig 13: Attaching Current-Measuring Probe To Either Leads

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the leads from terminals.
       Fig 14: Connecting Battery To Terminals

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

12. Using an ammeter with a current-measuring probe: INSPECT PASSENGER'S DOOR PTC THERMISTOR OPERATION 
    1. Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 6.
    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 15: Attaching Current-Measuring Probe To Either Lead

       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 16: Connecting Battery To Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If operation is not as specified, replace the door lock assembly.

13. Door lock signal: 

INSPECT INTEGRATION RELAY OPERATION 

1. Connect the positive (+) lead from the voltmeter to terminal A13 and the negative (-) lead to terminal A1.
2. Set the door lock control switch to the UNLOCK and check that the voltage increases from 0 V to battery positive voltage for approximately 0.2 seconds.
   Fig 17: Setting Door Lock Control Switch To UNLOCK

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Reverse the polarity of the voltmeter leads.
4. Set the door lock control switch to the LOCK and check that the voltage increases from 0 V to battery positive voltage for approximately 0.2 seconds.
   Fig 18: Setting Door Lock Control Switch To LOCK

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If operation is not as specified, replace the relay.