POWER BACK DOOR SYSTEM Power Back Door Opener / Closer Switch Circuit

DESCRIPTION

The door control switch only turns on while the switch is being pressed, and turns off when the switch is released.

When the switch is on, a power back door operation request signal is input to the main body ECU (multiplex network body ECU) to operate the back door.

WIRING DIAGRAM

B001AP4E06

PROCEDURE


  1. READ VALUE USING GTS (BACK DOOR OPEN SW)


    1. Check the Data List for proper functioning of the door control switch Click here.

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

      ON: Back door control switch on

      OFF: Back door control switch off

      		 -
      OK
      The display is as specified in the normal condition.

    OK

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

    NG

  2. INSPECT DOOR CONTROL SWITCH


    1. Remove the door control switch Click here.

    2. Inspect the door control switch Click here.


    NG

    REPLACE DOOR CONTROL SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)


    1. Disconnect the E146 door control switch connector.

    2. Disconnect the E117 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
      E146-6 (CSW) - E117-5 (PBDS) Always Below 1 Ω
      E146-3 (E) - Body ground Always Below 1 Ω
      E146-6 (CSW) - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

    A

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

    B

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

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR