LIGHTING SYSTEM Door Courtesy Switch Circuit

DESCRIPTION

The main body ECU receives a door open/closed signal from each door courtesy light switch.

WIRING DIAGRAM

B001XTEE02

PROCEDURE


  1. READ VALUE USING GTS (DOOR COURTESY LIGHT SWITCH)


    1. Using the GTS, read the Data List Click here.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      D Door Courtesy SW Front door courtesy light switch LH signal / ON or OFF

      ON: Front door courtesy light switch LH on

      OFF: Front door courtesy light switch LH off

      		 -
      P Door Courtesy SW Front door courtesy light switch RH signal / ON or OFF

      ON: Front door courtesy light switch RH on

      OFF: Front door courtesy light switch RH off

      		 -
      RL Door Courtesy SW Rear door courtesy light switch LH signal / ON or OFF

      ON: Rear door courtesy light switch LH on

      OFF: Rear door courtesy light switch LH off

      		 -
      RR Door Courtesy SW Rear door courtesy light switch RH signal / ON or OFF

      ON: Rear door courtesy light switch RH on

      OFF: Rear door courtesy light switch RH off

      		 -
      Back Door Courtesy SW Back door courtesy light switch signal / ON or OFF

      ON: Back door courtesy light switch on

      OFF: Back door courtesy light switch off

      		 -
      OK
      Door courtesy light switch on/off

    OK

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

    NG

  2. CHECK DOOR COURTESY LIGHT SWITCH

    Result
    Result Proceed to
    Front door courtesy light switch LH does not operate A
    Front door courtesy light switch RH does not operate B
    Rear door courtesy light switch LH does not operate C
    Rear door courtesy light switch RH does not operate D
    Back door courtesy light switch does not operate E

    B

    INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH Click here

    C

    INSPECT REAR DOOR COURTESY LIGHT SWITCH LH Click here

    D

    INSPECT REAR DOOR COURTESY LIGHT SWITCH RH Click here

    E

    INSPECT VEHICLE TYPE Click here

    A

  3. INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH


    1. Remove the front door courtesy light switch LH Click here.

    2. Inspect the front door courtesy light switch LH Click here.


    NG

    REPLACE FRONT DOOR COURTESY LIGHT SWITCH LH Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))


    1. Disconnect the K2 front door courtesy light switch LH connector.

    2. Disconnect the E118 main body ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K2-1 - E118-6 (FLCY) Always Below 1 Ω
      K2-1 - Body ground Always 10 kΩ or higher

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH


    1. Remove the front door courtesy light switch RH Click here.

    2. Inspect the front door courtesy light switch RH Click here.


    NG

    REPLACE FRONT DOOR COURTESY LIGHT SWITCH RH Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))


    1. Disconnect the L1 front door courtesy light switch RH switch connector.

    2. Disconnect the E118 main body ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L1-1 - E118-27 (FRCY) Always Below 1 Ω
      L1-1 - Body ground Always 10 kΩ or higher

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  7. INSPECT REAR DOOR COURTESY LIGHT SWITCH LH


    1. Remove the rear door courtesy light switch LH Click here.

    2. Inspect the rear door courtesy light switch LH Click here.


    NG

    REPLACE REAR DOOR COURTESY LIGHT SWITCH LH Click here

    OK

  8. CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH LH - COWL SIDE JUNCTION BLOCK LH)


    1. Disconnect the 2K cowl side junction block LH connector.

    2. Disconnect the K3 rear door courtesy light switch LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K3-1 - 2K-34 (LCTY) Always Below 1 Ω
      K3-1 - Body ground Always 10 kΩ or higher

    OK

    CHECK COWL SIDE JUNCTION BLOCK LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  9. INSPECT REAR DOOR COURTESY LIGHT SWITCH RH


    1. Remove the rear door courtesy light switch RH Click here.

    2. Inspect the rear door courtesy light switch RH Click here.


    NG

    REPLACE REAR DOOR COURTESY LIGHT SWITCH RH Click here

    OK

  10. CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH RH - COWL SIDE JUNCTION BLOCK LH)


    1. Disconnect the L2 rear door courtesy light switch RH connector.

    2. Disconnect the 2J cowl side junction block LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L2-1 - 2J-29 (RCTY) Always Below 1 Ω
      L2-1 - Body ground Always 10 kΩ or higher

    OK

    CHECK COWL SIDE JUNCTION BLOCK LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  11. INSPECT VEHICLE TYPE


    1. Check the vehicle type.

      Result
      Result Proceed to
      for Double Swing Out Type A
      except Double Swing Out Type B

    B

    INSPECT BACK DOOR LOCK ASSEMBLY Click here

    A

  12. INSPECT BACK DOOR WITH MOTOR LOCK ASSEMBLY


    1. Remove the back door with motor lock assembly Click here.

    2. Inspect the back door with motor lock assembly Click here.


    NG

    REPLACE BACK DOOR WITH MOTOR LOCK ASSEMBLY Click here

    OK

  13. CHECK HARNESS AND CONNECTOR (BACK DOOR WITH MOTOR LOCK ASSEMBLY - COWL SIDE JUNCTION BLOCK LH AND BODY GROUND)


    1. Disconnect 2K cowl side junction block LH connector.

    2. Disconnect W3 back door with motor lock connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      W3-2 (B) - 2K-31 (BCTY) Always Below 1 Ω
      W3-1 (E) - Body ground
      W3-2 (B) - Body ground Always 10 kΩ or higher

    OK

    CHECK COWL SIDE JUNCTION BLOCK LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  14. INSPECT BACK DOOR LOCK ASSEMBLY


    1. Remove the back door lock Click here.

    2. Inspect the back door lock Click here.


    NG

    REPLACE BACK DOOR LOCK ASSEMBLY Click here

    OK

  15. CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - COWL SIDE JUNCTION BLOCK LH AND BODY GROUND)


    1. Disconnect the 2K cowl side junction block LH connector.

    2. w/o Power Back Door:


      1. Disconnect the S29 back door lock connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        S29-3 (+) - 2K-31 (BCTY) Always Below 1 Ω
        S29-2 (ACT-) - Body ground
        S29-3 (+) - Body ground Always 10 kΩ or higher

    3. w/ Power Back Door:


      1. Disconnect the S33 back door lock connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        S33-4 (CTY) - 2K-31 (BCTY) Always Below 1 Ω
        S33-1 (E) - Body ground
        S33-4 (CTY) - Body ground Always 10 kΩ or higher

    OK

    CHECK COWL SIDE JUNCTION BLOCK LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  16. CHECK COWL SIDE JUNCTION BLOCK LH


    1. Remove the cowl side junction block LH.

    2. Remove the main body ECU from the cowl side junction block LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2K-34 - A-13 Always Below 1 Ω
      2K-34 - Body ground Always 10 kΩ or higher

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG

    REPLACE COWL SIDE JUNCTION BLOCK LH

  17. CHECK COWL SIDE JUNCTION BLOCK LH


    1. Remove the cowl side junction block LH.

    2. Remove the main body ECU from the cowl side junction block LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2J-29 - A-2 Always Below 1 Ω
      2J-29 - Body ground Always 10 kΩ or higher

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG

    REPLACE COWL SIDE JUNCTION BLOCK LH

  18. CHECK COWL SIDE JUNCTION BLOCK LH


    1. Remove the cowl side junction block LH.

    2. Remove the main body ECU from the cowl side junction block LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2K-31 - A-4 Always Below 1 Ω
      2K-31 - Body ground Always 10 kΩ or higher

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG

    REPLACE COWL SIDE JUNCTION BLOCK LH