LIGHTING SYSTEM Door Unlock Detection Switch Circuit

DESCRIPTION

The main body ECU (driver side junction block assembly) detects the condition of the door unlock detection switch.

WIRING DIAGRAM

A01EK07E01

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main Body / Data List.

    5. Read the display on the GTS.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      FR Door Lock Pos Driver side door unlock detection switch signal/ON or OFF

      ON: Driver side door unlocked

      OFF: Driver side door locked

      		 -
      FL Door Lock Pos Front passenger side door unlock detection switch signal/ON or OFF

      ON: Front passenger side door unlocked

      OFF: Front passenger side locked

      		 -
      RR Door Lock Pos SW Rear door RH unlock detection switch signal/ON or OFF

      ON: Rear door RH unlocked

      OFF: Rear door RH locked

      		 When checking this item, make sure to check it with the rear door LH locked.
      RL Door Lock Pos SW Rear door LH unlock detection switch signal/ON or OFF

      ON: Rear door LH unlocked

      OFF: Rear door LH locked

      		 When checking this item, make sure to check it with the rear door RH locked.
      Result
      Result Proceed to
      OK A
      Driver side door unlock detection switch does not operate B
      Front passenger side door unlock detection switch does not operate C
      Rear door unlock detection switch LH does not operate D
      Rear door unlock detection switch RH does not operate E

    B

    INSPECT FRONT DOOR LOCK ASSEMBLY LH Click here

    C

    INSPECT FRONT DOOR LOCK ASSEMBLY RH Click here

    D

    INSPECT REAR DOOR LOCK ASSEMBLY LH Click here

    E

    INSPECT REAR DOOR LOCK ASSEMBLY RH Click here

    A

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  2. INSPECT FRONT DOOR LOCK ASSEMBLY LH


    1. A01EL2KE34
      Text in Illustration
      *1

      Component without harness connected

      (Front Door Lock Assembly LH)
      *2 Unlock
      *3 Lock

      Remove the front door lock assembly LH Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      7 (E) - 8 (LSSR) Locked 10 kΩ or higher
      7 (E) - 8 (LSSR) Unlocked Below 1 Ω

    NG

    REPLACE FRONT DOOR LOCK ASSEMBLY LH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) - FRONT DOOR LOCK ASSEMBLY LH)


    1. A01ELG6E22
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Front Door Lock Assembly LH)
      *2

      Front view of wire harness connector

      (to Main Body ECU (Driver Side Junction Block Assembly))

      Disconnect the I7 front door lock assembly LH connector.

    2. Disconnect D50 main body ECU (driver side junction block assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I7-8 (LSSR) - D50-9 (LSWD) Always Below 1 Ω
      I7-8 (LSSR) - Body ground Always 10 kΩ or higher
      I7-7 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Click here

  4. INSPECT FRONT DOOR LOCK ASSEMBLY RH


    1. A01EMAEE31
      Text in Illustration
      *1

      Component without harness connected

      (Front Door Lock Assembly RH)
      *2 Unlock
      *3 Lock

      Remove the front door lock assembly RH Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      7 (LSSR) - 8 (E) Locked 10 kΩ or higher
      7 (LSSR) - 8 (E) Unlocked Below 1 Ω

    NG

    REPLACE FRONT DOOR LOCK ASSEMBLY RH Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) - FRONT DOOR LOCK ASSEMBLY RH)


    1. A01EIYVE47
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Front Door Lock Assembly RH)
      *2

      Front view of wire harness connector

      (to Main Body ECU (Driver Side Junction Block Assembly))

      Disconnect the H7 front door lock assembly RH connector.

    2. Disconnect the D49 main body ECU (driver side junction block assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H7-7 (LSSR) - D49-27 (LSWP) Always Below 1 Ω
      H7-7 (LSSR) - Body ground Always 10 kΩ or higher
      H7-8 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Click here

  6. INSPECT REAR DOOR LOCK ASSEMBLY LH


    1. A01EJ6JE19
      Text in Illustration
      *1

      Component without harness connected

      (Rear Door Lock Assembly LH)
      *2 Lock
      *3 Unlock

      Remove the rear door lock assembly LH Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      6 (LSSR) - 9 (E) Locked 10 kΩ or higher
      6 (LSSR) - 9 (E) Unlocked Below 1 Ω

    NG

    REPLACE REAR DOOR LOCK ASSEMBLY LH Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) - REAR DOOR LOCK ASSEMBLY LH)


    1. A01EKJQE02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Rear Door Lock Assembly LH)
      *2

      Front view of wire harness connector

      (to Main Body ECU (Driver Side Junction Block Assembly))

      Disconnect the K3 rear door lock assembly LH connector.

    2. Disconnect the 2O main body ECU (driver side junction block assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K3-6 (LSSR) - 2O-5 Always Below 1 Ω
      K3-6 (LSSR) - Body ground Always 10 kΩ or higher
      K3-9 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Click here

  8. INSPECT REAR DOOR LOCK ASSEMBLY RH


    1. A01ELUME18
      Text in Illustration
      *1

      Component without harness connected

      (Rear Door Lock Assembly RH)
      *2 Lock
      *3 Unlock

      Remove the rear door lock assembly RH Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      6 (LSSR) - 9 (E) Locked 10 kΩ or higher
      6 (LSSR) - 9 (E) Unlocked Below 1 Ω

    NG

    REPLACE REAR DOOR LOCK ASSEMBLY RH Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) - REAR DOOR LOCK ASSEMBLY RH)


    1. A01EM7PE02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Rear Door Lock Assembly RH)
      *2

      Front view of wire harness connector

      (to Main Body ECU (Driver Side Junction Block Assembly))

      Disconnect the J3 rear door lock assembly RH connector.

    2. Disconnect the 2F main body ECU (driver side junction block assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J3-6 (LSSR) - 2F-5 Always Below 1 Ω
      J3-6 (LSSR) - Body ground Always 10 kΩ or higher
      J3-9 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Click here