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 (cowl side junction block LH) to operate the back door.

WIRING DIAGRAM

A015D92E02

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (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 Door control switch signal / ON or OFF

      ON: Door control switch on

      OFF: Door control switch off

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

    NG

    INSPECT DOOR CONTROL SWITCH Click here

    OK

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

  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 [COWL SIDE JUNCTION BLOCK LH] AND BODY GROUND)


    1. Disconnect the E105 door control switch connector.

    2. Disconnect the E2 main body ECU (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
      E105-6 (CSW) - E2-2 (PBDS) Always Below 1 Ω
      E105-3 (E) - Body ground Always Below 1 Ω
      E105-6 (CSW) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)