POWER BACK DOOR SYSTEM Door Control Switch Circuit

DESCRIPTION

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

When the back door control switch is on, a power back door close request signal is input to the power back door ECU to close the back door.

WIRING DIAGRAM

A01ENRGE18

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (BACK DOOR CONTROL SWITCH)


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

      Back Door
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      PBD Close 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.

    NG

    INSPECT BACK DOOR CONTROL SWITCH Click here

    OK

    REPLACE POWER BACK DOOR UNIT ASSEMBLY Click here

  2. INSPECT BACK DOOR CONTROL SWITCH

    A01EPFLE01

    1. Remove the back door control switch Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      3 - 4 Pushed (ON) Below 1 Ω
      3 - 4 Free (OFF) 10 kΩ or higher

    NG

    REPLACE BACK DOOR CONTROL SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (SWITCH - UNIT AND BODY GROUND)

    A01EQ9ME03

    1. Disconnect the S22 switch connector.

    2. Disconnect the L36 unit connector.

    3. Measure the resistance of the wire harness side connectors.

      Standard Resistance
      Tester Connection Condition Specified Condition
      S22-3 - L36-4 (DS1) Always Below 1 Ω
      S22-4 - Body ground Always Below 1 Ω
      S22-3 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE POWER BACK DOOR UNIT ASSEMBLY Click here