LIGHTING SYSTEM Door Courtesy Light Circuit

DESCRIPTION

The door courtesy light turns on when the door is opened and turns off when closed.

WIRING DIAGRAM

B001XLPE02
B001Z8ME02

CAUTION / NOTICE / HINT

Note


  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

  • If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.

PROCEDURE


  1. CHECK OPERATION OF DOOR COURTESY LIGHT


    1. When a door is opened, check that the following lights do not illuminate.

      Result
      Result Proceed to
      All door courtesy light does not illuminate A
      Front door courtesy light LH does not illuminate B
      Front door courtesy light RH does not illuminate C
      Rear door courtesy light LH does not illuminate D
      Rear door courtesy light RH does not illuminate E

    B

    INSPECT FRONT DOOR COURTESY LIGHT LH Click here

    C

    INSPECT FRONT DOOR COURTESY LIGHT RH Click here

    D

    INSPECT REAR DOOR COURTESY LIGHT LH Click here

    E

    INSPECT REAR DOOR COURTESY LIGHT RH Click here

    A

  2. INSPECT COWL SIDE JUNCTION BLOCK LH (DOME CUT RELAY)


    1. Remove the cowl side junction block LH.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2F-1 - 2J-11 Battery voltage not applied to terminals 2F-1 and A-23 10 kΩ or higher
      Battery voltage applied to terminals 2F-1 and A-23 Below 1 Ω

    NG

    REPLACE COWL SIDE JUNCTION BLOCK LH (DOME CUT RELAY)

    OK

  3. CHECK HARNESS AND CONNECTOR (DOOR COURTESY LIGHT - BATTERY)


    1. B001X8VE02
      *1 Front view of wire harness connector: (to Door Courtesy Light)

      Disconnect the I13, I5, J12 and J5 ECU connectors.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      I13-1 - Body ground Always 11 to 14 V
      J12-1 - Body ground
      I5-1 - Body ground
      J5-1 - Body ground

    OK

    PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. INSPECT FRONT DOOR COURTESY LIGHT LH


    1. B001Z06E05
      *1 Component without harness connected: (Door Courtesy Light)

      Remove the door courtesy light connector.

    2. Check that the door courtesy light comes on.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) - Terminal 2

      Battery positive (-) - Terminal 1

      		 Light illumination

    NG

    REPLACE FRONT DOOR COURTESY LIGHT LH Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)


    1. B001ZDDE02
      *1 Front view of wire harness connector: (to Main Body ECU)
      *2 FLCL

      Disconnect the E117 main body ECU connectors.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      E117-1 (FLCL) - Body ground Ignition switch ON 11 to 14 V

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. INSPECT FRONT DOOR COURTESY LIGHT RH


    1. B001Z06E05
      *1 Component without harness connected: (Door Courtesy Light)

      Remove the door courtesy light connector.

    2. Check that the door courtesy light comes on.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) - Terminal 2

      Battery positive (-) - Terminal 1

      		 Light illumination

    NG

    REPLACE FRONT DOOR COURTESY LIGHT RH Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)


    1. B001ZVXE02
      *1 Front view of wire harness connector: (to Main Body ECU)
      *2 FRCL

      Disconnect the E117 main body ECU connectors.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      E117-17 (FRCL) - Body ground Ignition switch ON 11 to 14 V

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  8. INSPECT REAR DOOR COURTESY LIGHT LH


    1. B001Z06E05
      *1 Component without harness connected: (Door Courtesy Light)

      Remove the door courtesy light connector.

    2. Check that the door courtesy light comes on.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) - Terminal 2

      Battery positive (-) - Terminal 1

      		 Light illumination

    NG

    REPLACE REAR DOOR COURTESY LIGHT LH Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)


    1. B001ZG0E02
      *1 Front view of wire harness connector (to Main Body ECU)
      *2 LCYL

      Disconnect the E137 main body ECU connectors.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      E137-2 (LCYL) - Body ground Ignition switch ON 11 to 14 V

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  10. INSPECT REAR DOOR COURTESY LIGHT RH


    1. B001Z06E05
      *1 Component without harness connected: (Door Courtesy Light)

      Remove the door courtesy light connector.

    2. Check that the door courtesy light comes on.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) - Terminal 2

      Battery positive (-) - Terminal 1

      		 Light illumination

    NG

    REPLACE REAR DOOR COURTESY LIGHT RH Click here

    OK

  11. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)


    1. B001YQPE02
      *1 Front view of wire harness connector (to Main Body ECU)
      *2 RCYL

      Disconnect the E137 main body ECU connectors.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      E137-1 (RCYL) - Body ground Ignition switch ON 11 to 14 V

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR