LIGHTING SYSTEM(for 5L-E) Back Door Courtesy Switch Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) detects the condition of the courtesy light switch.

WIRING DIAGRAM

B001E2ME04

PROCEDURE


  1. READ VALUE USING GTS


    1. Using the GTS, read the Data List.

      Click here

      Main Body
      Tester Display Measurement Item / Range Normal Condition Diagnostic Note
      Back Door Courtesy SW Back door courtesy switch assembly signal / OFF or ON

      OFF: Back door closed

      ON: Back door open

      		 -
      Glass Hatch Courtesy SW Glass hatch courtesy switch signal / OFF or ON

      OFF: Glass hatch closed

      ON: Glass hatch open

      		 w/ Glass Hatch Opener System
      OK
      Normal condition listed above are displayed.
      Result
      Result Proceed to
      OK A
      NG ("Back Door Courtesy SW" is abnormal) B
      NG ("Glass Hatch Courtesy SW" is abnormal) (w/ Glass Hatch Opener System) C

    A

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

    C

    INSPECT BACK WINDOW LOCK ASSEMBLY Click here

    B

  2. INSPECT BACK DOOR COURTESY LIGHT SWITCH ASSEMBLY


    1. Remove the back door courtesy switch assembly.

      Click here

    2. Inspect the back door courtesy switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE BACK DOOR COURTESY LIGHT SWITCH ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (BACK DOOR COURTESY LIGHT SWITCH ASSEMBLY - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])


    1. Disconnect the R9 back door courtesy switch assembly connector.

    2. Disconnect the G64 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
      R9-1 - G64-19 (BCTY) Always Below 1 Ω
      R9-1 or G64-19 (BCTY) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. INSPECT BACK WINDOW LOCK ASSEMBLY


    1. Remove the back window lock assembly (glass hatch courtesy switch).

      Click here

    2. Inspect the back window lock assembly (glass hatch courtesy switch).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE BACK WINDOW LOCK ASSEMBLY Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (BACK WINDOW LOCK ASSEMBLY - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)


    1. Disconnect the X4 back window lock assembly (glass hatch courtesy switch) connector.

    2. Disconnect the G64 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
      X4-2 (+) - G64-1 (GCTY) Always Below 1 Ω
      X4-1 (-) - Body ground Always Below 1 Ω
      X4-2 (+) or G64-1 (GCTY) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR