POWER BACK DOOR SYSTEM Main Switch Circuit

DESCRIPTION

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

When the power back door main switch is on, a power back door operation request signal is input to the power back door unit assembly (power back door ECU).

WIRING DIAGRAM

B001X94E05
*1 Power Back Door Main Switch
*2 Power Back Door Unit Assembly (Power Back Door ECU)

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (PBD MAIN SW)


    1. Check the Data List for proper functioning of the power back door main switch Click here.

      Back Door
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      PBD Main SW Power back door main switch / ON or OFF

      ON: Power back door main switch is not pushed

      OFF: Power back door main switch is pushed

      		 -
      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 POWER BACK DOOR MAIN SWITCH


    1. Remove the power back door main switch Click here.

    2. Inspect the power back door main switch Click here.


    NG

    REPLACE POWER BACK DOOR MAIN SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (POWER BACK DOOR MAIN SWITCH - POWER BACK DOOR UNIT ASSEMBLY [POWER BACK DOOR ECU] AND BODY GROUND)


    1. Disconnect the E104 power back door main switch connection.

    2. Disconnect the L52 power back door unit assembly (power back door ECU) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E104-9 (MSW) - L52-17 (MSW) Always Below 1 Ω
      E104-6 (MSE) - Body ground Always Below 1 Ω
      E104-9 (MSW) - Body ground Always 10 kΩ or higher

    OK

    REPLACE POWER BACK DOOR UNIT ASSEMBLY (POWER BACK DOOR ECU) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR