BACK DOOR LOCK INSPECTION

PROCEDURE

  1. INSPECT BACK DOOR LOCK ASSEMBLY (w/o Power Back Door)

    1. B421520C01

      *1

      Latch

      *a

      Open

      *b

      Close

      *c

      Component without harness connected

      (Back Door Lock Assembly)

      Check the operation of the door lock motor.

      1. Move the back door lock assembly to the close position.

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

        OK

        Measurement Condition

        Specified Condition

        Battery positive (+) → 1 (ACT+)

        Battery negative (-) → 2 (ACT-)

        Close → Open

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

    2. Check the operation of the door courtesy switch.

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

        Standard Resistance

        Tester Connection

        Switch Condition

        Specified Condition

        2 (ACT-) - 3 (D+)

        Close

        10 kΩ or higher

        2 (ACT-) - 3 (D+)

        Open

        Below 1 Ω

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

  2. INSPECT BACK DOOR LOCK ASSEMBLY (w/ Power Back Door)

    1. B421517C01

      *a

      Component without harness connected

      (Back Door Lock Assembly)

      *b

      Close Operation Direction

      *c

      Open Operation Direction

      Check the operation.

      1. Apply battery voltage and check the operation of the closer motor.

        OK

        Battery Connection

        Result

        Battery positive (+) - 1 (M-)

        Battery negative (-) - 2 (M+)

        Close Operation

        Battery positive (+) - 2 (M+)

        Battery negative (-) -1 (M-)

        Open Operation

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

    2. B438688C01

      *a

      Component without harness connected

      (Back Door Lock Assembly)

      *b

      Open Position

      *c

      Half-latch Position

      *d

      Full-latch Position

      *e

      Overstroke Position

      Check the resistance of the half latch switch.

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

        Standard Resistance

        Tester Connection

        Condition

        Specified Condition

        3 (CLS) - 1 (E)

        Open position

        Below 1 Ω

        3 (CLS) - 1 (E)

        Open position → Half-latch position

        Below 1 Ω → 10 kΩ or higher

        3 (CLS) - 1 (E)

        Half-latch position

        10 kΩ or higher

        3 (CLS) - 1 (E)

        Full-latch position

        10 kΩ or higher

        3 (CLS) - 1 (E)

        Overstroke position

        10 kΩ or higher

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

    3. B438688C04

      *a

      Component without harness connected

      (Back Door Lock Assembly)

      *b

      Open Position

      *c

      Half-latch Position

      *d

      Full-latch Position

      *e

      Overstroke Position

      Check the resistance of the full latch switch.

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

        Standard Resistance

        Tester Connection

        Condition

        Specified Condition

        1 (E) - 4 (CTY)

        Open position

        Below 1 Ω

        1 (E) - 4 (CTY)

        Half-latch position

        Below 1 Ω

        1 (E) - 4 (CTY)

        Half-latch position → Full-latch position

        Below 1 Ω → 10 kΩ or higher

        1 (E) - 4 (CTY)

        Full-latch position

        10 kΩ or higher

        1 (E) - 4 (CTY)

        Overstroke position

        10 kΩ or higher

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

    4. B438688C05

      *a

      Component without harness connected

      (Back Door Lock Assembly)

      *b

      Open Position

      *c

      Half-latch Position

      *d

      Full-latch Position

      *e

      Overstroke Position

      Check the resistance of the pawl switch.

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

        Standard Resistance

        Tester Connection

        Condition

        Specified Condition

        2 (FSW) - 1 (E)

        Open position

        10 kΩ or higher

        2 (FSW) - 1 (E)

        Open position → Half-latch position

        10 kΩ or higher → Below 1 Ω → 10 kΩ or higher

        2 (FSW) - 1 (E)

        Half-latch position

        10 kΩ or higher

        2 (FSW) - 1 (E)

        Half-latch position → Full-latch position

        10 kΩ or higher → Below 1 Ω → 10 kΩ or higher

        2 (FSW) - 1 (E)

        Full-latch position

        10 kΩ or higher

        2 (FSW) - 1 (E)

        Overstroke position

        10 kΩ or higher

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

    5. B438689C01

      *a

      Component without harness connected

      (Back Door Lock Assembly)

      *b

      Sector Gear in Neutral Position

      Check the resistance of the sector switch.

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

        Standard Resistance

        Tester Connection

        Condition

        Specified Condition

        6 (OPN) - 1 (E)

        Sector gear in neutral position

        (Sector switch on)

        Below 1 Ω

        6 (OPN) - 1 (E)

        Sector gear not in neutral position

        (Sector switch off)

        10 kΩ or higher

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