LIGHTING SYSTEM Back Door Courtesy Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

A01DOVME02

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (DOOR COURTESY LIGHT SWITCH)


    1. Using the intelligent tester, 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 signal / ON or OFF

      ON: Back door open

      OFF: Back door closed

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

      ON: Glass hatch open

      OFF: Glass hatch closed

      		 -

      • *: w/ Glass Hatch Opener System

      OK
      The display is as specified in the normal condition column.
      Result
      Result Proceed to
      OK A
      NG (Back door courtesy light switch does not operate) B
      NG (Glass hatch courtesy light switch does not operate) C

    B

    INSPECT BACK DOOR COURTESY LIGHT SWITCH ASSEMBLY Click here

    C

    INSPECT BACK WINDOW LOCK ASSEMBLY (GLASS HATCH COURTESY LIGHT SWITCH) Click here

    A

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

  2. INSPECT BACK DOOR COURTESY LIGHT SWITCH ASSEMBLY


    1. A01DRX9

      Remove the back door courtesy light switch Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      1 - Switch body Pin not pushed Below 1 Ω
      Pin pushed 10 kΩ or higher

    NG

    REPLACE BACK DOOR COURTESY LIGHT SWITCH ASSEMBLY Click here

    OK

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


    1. Disconnect the G64 main body ECU connector.

    2. Disconnect the R9 back door courtesy light switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G64-19 (BCTY) - R9-1 Always Below 1 Ω
      G64-19 (BCTY) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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

  4. INSPECT BACK WINDOW LOCK ASSEMBLY (GLASS HATCH COURTESY LIGHT SWITCH)


    1. Remove the back window lock Click here.

      A01DSKME02
      Text in Illustration
      A01DQPB Open - -

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (-) - 2 (+) Open Below 1 Ω
      Closed 10 kΩ or higher

    NG

    REPLACE BACK WINDOW LOCK ASSEMBLY Click here

    OK

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


    1. Disconnect the G64 main body ECU connector.

    2. Disconnect the X4 back window lock connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G64-1 (GCTY) - X4-2 (+) Always Below 1 Ω
      G64-1 (GCTY) - Body ground Always 10 kΩ or higher
      X4-1 (-) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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