POWER BACK DOOR SYSTEM Power Back Door cannot be Opened or Closed Using the Back Door Control Switch

DESCRIPTION

When the power back door cannot be closed using the back door control switch, either of the following may be malfunctioning: 1) back door control switch circuit or 2) back door motor unit.

WIRING DIAGRAM

A01IGMGE32
*a Back Door Control Switch
*b Back Door Motor Unit

CAUTION / NOTICE / HINT

Note

If the replacement, removal and installation of the back door motor unit or disconnection of the connectors of the back door motor unit has been performed, initialize the power back door system.

Click here

PROCEDURE


  1. READ VALUE USING GTS


    1. Read the Data List according to the display on the GTS.

      Click here


      Body Electrical > Back Door > Data List
      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 pushed

      OFF: Back door control switch not pushed

      		 -

      Body Electrical > Back Door > Data List
      Tester Display
      PBD Close SW
      OK
      On GTS screen, item changes between ON and OFF according to above chart.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BACK DOOR MOTOR UNIT Click here

    NG

  2. INSPECT BACK DOOR CONTROL SWITCH


    1. Remove the back door control switch.

      Click here

    2. Inspect the back door control switch.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE BACK DOOR CONTROL SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (BACK DOOR CONTROL SWITCH - BACK DOOR MOTOR UNIT AND BODY GROUND)


    1. Disconnect the U10 back door control switch connector.

    2. Disconnect the K22 back door motor unit connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U10-3 - K22-4 (DS1) Always Below 1 Ω
      U10-4 - Body ground Always Below 1 Ω
      U10-3 or K22-4 (DS1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BACK DOOR MOTOR UNIT Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR