LIGHTING SYSTEM Door Unlock Detection Switch Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) detects the condition of the door unlock detection switch.

WIRING DIAGRAM

A01NKBEE02

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the intelligent tester on.

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

    5. Read the display on the intelligent tester.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      FL Door Lock Pos Front door unlock detection switch LH signal/ON or OFF

      ON: Front door LH unlocked

      OFF: Front door LH locked

      		 -
      FR Door Lock Pos Front door unlock detection switch RH signal/ON or OFF

      ON: Front door RH unlocked

      OFF: Front door RH locked

      		 -
      RL-Door Lock Pos SW Rear door unlock detection switch LH signal/ON or OFF

      ON: Rear door LH unlocked

      OFF: Rear door LH locked

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

      ON: Rear door RH unlocked

      OFF: Rear door RH locked

      		 -
      Result
      Result Proceed to
      OK A
      Front door unlock detection switch LH does not operate B
      Front door unlock detection switch RH 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. A01NM96E05
      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
      Unlocked Below 1 Ω

    NG

    REPLACE FRONT DOOR LOCK ASSEMBLY LH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY LH - MAIN BODY ECU AND BODY GROUND)


    1. A01NKLYE01
      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 (Multiplex Network Body ECU))

      Disconnect the J8 front door lock assembly LH connector.

    2. Disconnect the F13 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J8-8 (LSSR) - F13-7 (LSFL) Always Below 1 Ω
      J8-8 (LSSR) - Body ground Always 10 kΩ or higher
      J8-7 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

  4. INSPECT FRONT DOOR LOCK ASSEMBLY RH


    1. A01NMLNE03
      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
      Unlocked Below 1 Ω

    NG

    REPLACE FRONT DOOR LOCK ASSEMBLY RH Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY RH - MAIN BODY ECU AND BODY GROUND)


    1. A01NKLYE03
      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 (Multiplex Network Body ECU))

      Disconnect the I8 front door lock assembly RH connector.

    2. Disconnect the F13 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance

      Tester Connection

      (Symbols)

      		 Condition Specified Condition
      I8-7 (LSSR) - F13-18 (LSFR) Always Below 1 Ω
      I8-7 (LSSR) - Body ground Always 10 kΩ or higher
      I8-8 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

  6. INSPECT REAR DOOR LOCK ASSEMBLY LH


    1. A01NMOXE10
      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
      5 (LSSR) - 6 (E) Locked 10 kΩ or higher
      Unlocked Below 1 Ω

    NG

    REPLACE REAR DOOR LOCK ASSEMBLY LH Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK ASSEMBLY LH - MAIN BODY ECU AND BODY GROUND)


    1. A01NM8LE02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Rear Door Lock Assembly LH)
      *2

      Front view of wire harness connector

      (to Instrument Panel Junction Block Assembly)

      Disconnect the L6 rear door lock assembly LH connector.

    2. Disconnect the 2H instrument panel junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L6-5 (LSSR) - 2H-27 Always Below 1 Ω
      L6-5 (LSSR) - Body ground Always 10 kΩ or higher
      L6-6 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. A01NMJ3E02
      Text in Illustration
      *1

      Component without harness connected

      (Instrument Panel Junction Block Assembly)

      Remove the instrument panel junction block assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2H-27 - A-5 (LSWL) Always Below 1 Ω
      2H-27 - Body ground Always 10 kΩ or higher

    NG

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

  9. INSPECT REAR DOOR LOCK ASSEMBLY RH


    1. A01NI2ME07
      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 Door Lock Condition Specified Condition
      9 (LSSR) - 10 (E) Locked 10 kΩ or higher
      Unlocked Below 1 Ω

    NG

    REPLACE REAR DOOR LOCK ASSEMBLY RH Click here

    OK

  10. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK ASSEMBLY RH - MAIN BODY ECU AND BODY GROUND)


    1. A01NJ8CE02
      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 (Multiplex Network Body ECU))

      Disconnect the K6 rear door lock assembly RH connector.

    2. Disconnect the F14 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance
      Tester Connection (Symbols) Condition Specified Condition
      K6-9 (LSSR) - F14-2 (LSWR) Always Below 1 Ω
      K6-9 (LSSR) - Body ground Always 10 kΩ or higher
      K6-10 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here