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Back Door Lock: Inspection

  1. INSPECT BACK DOOR LOCK ASSEMBLY (W/O POWER BACK DOOR SYSTEM) 
    1. Check operation of the door lock.
      1. Using a screwdriver, push the latch in order to put the back door lock in the locked condition (full-latch position).
      2. Apply battery voltage to the door lock and check operation of the latch.

        OK 

        MEASUREMENT CONDITION AND SPECIFIED CONDITION

        Measurement Condition Specified Condition
        Battery positive (+) --> Terminal 5
        Battery negative (-) --> Terminal 3        		 Latch turns to open-latch position

        HINT:

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

        Fig 1: Inspecting Back Door Lock Assembly (W/O Power Back Door System)
        G04115346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance (Courtesy switch) 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester Connection Door Lock Latch Position Specified Condition
      1 - 2 Open-latch Below 1 Ω
      1 - 2 Half-latch Below 1 Ω
      1 - 2 Full-latch 10 kΩ or higher
      1 - 2 Over-latch 10 kΩ or higher
      Fig 2: Identifying Back Door Lock Assembly (W/O Power Back Door System)
      G04115347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

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

  2. INSPECT BACK DOOR LOCK ASSEMBLY (W/ POWER BACK DOOR SYSTEM) 
    1. Check operation of the door lock.
      1. Using a screwdriver, push the latch in order to put the back door lock in the locked condition (full-latch position).
      2. Apply battery voltage to the door lock and check operation of the latch.

        OK 

        MEASUREMENT CONDITION AND SPECIFIED CONDITION

        Measurement Condition Specified Condition
        Battery positive (+) --> Terminal 7
        Battery negative (-) --> Terminal 5        		 Latch turns to open-latch position

        HINT:

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

      3. Apply battery voltage to the door lock motor and check operation of the motor.

        OK 

        MEASUREMENT CONDITION AND SPECIFIED CONDITION

        Measurement Condition Specified Condition
        Battery positive (+) --> Terminal 5
        Battery negative (-) --> Terminal 7        		 Close operation (Clockwise rotation)
        Battery positive (+) --> Terminal 7
        Battery negative (-) --> Terminal 5        		 Release operation (Counterclockwise rotation)

        HINT:

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

        Fig 3: Identifying Door Lock Assembly Connector Terminals
        G04116411Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance (Courtesy switch) 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester Connection Door Lock Latch Position Specified Condition
      1 - 6 Open-latch Below 1 Ω
      1 - 6 Half-latch Below 1 Ω
      1 - 6 Full-latch 10 kΩ or higher
      1 - 6 Over-latch 10 kΩ or higher

      HINT:

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

    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance (Full-latch switch) 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester Connection Door Lock Latch Position Specified Condition
      2 - 4 Open-latch 10 kΩ or higher
      2 - 4 Half-latch 10 kΩ or higher
      2 - 4 Full-latch 10 kΩ or higher
      2 - 4 Over-latch Below 1 Ω

      HINT:

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

    4. Measure the resistance according to the value(s) in the table below.

      Standard resistance (Half-latch switch) 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester Connection Door Lock Latch Position Specified Condition
      3 - 4 Open-latch Below 1 Ω
      3 - 4 Half-latch 10 kΩ or higher
      3 - 4 Full-latch 10 kΩ or higher
      3 - 4 Over-latch 10 kΩ or higher

      HINT:

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

    5. Measure the resistance according to the value(s) in the table below.
      1. Full-latch:

        Connect the battery positive (+) lead to connector terminal 7 and the negative (-) lead to connector terminal 5.

        Standard resistance 

        TESTER CONNECTION AND SPECIFIED CONDITION

        Tester Connection Driven Gear Position Specified Condition
        8 - 9 Release Below 1 Ω

        HINT:

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

        Fig 4: Identifying Door Lock Assembly Connector Terminals
        G04116577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Over-latch:

        Connect the battery positive (+) lead to connector terminal 5 and the negative (-) lead to connector terminal 7.

        Standard resistance 

        TESTER CONNECTION AND SPECIFIED CONDITION

        Tester Connection Driven Gear Position Specified Condition
        8 - 9 Close 10 kΩ or higher

        HINT:

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

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