POWER BACK DOOR SYSTEM Power Back Door cannot be Closed Using the Power Back Door Closer Switch

DESCRIPTION

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

WIRING DIAGRAM

A01CBMQE06

INSPECTION PROCEDURE

PROCEDURE


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


    1. Check the Data List to determine if the power back door closer switch functions properly.

      Back Door (Power Back Door ECU)
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      PBD Close SW Power back door closer switch signal / ON or OFF

      ON: Power back door closer switch on

      OFF: Power back door closer switch off

      		 -
      OK
      The power back door closer switch functions as specified in the normal condition column.

    NG

    INSPECT POWER BACK DOOR CLOSER SWITCH Click here

    OK

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

  2. INSPECT POWER BACK DOOR CLOSER SWITCH


    1. A01CF3LE01

      Remove the power back door closer 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 (CLS) - 4 (E) Pushed (ON) Below 1 Ω
      3 (CLS) - 4 (E) Free (OFF) 10 kΩ or higher

    NG

    REPLACE POWER BACK DOOR CLOSER SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (POWER BACK DOOR CLOSER SWITCH - POWER BACK DOOR ECU)


    1. A01CD34E01

      Disconnect the N18 ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U12-3 (CLS) - N18-4 (DS1) Always Below 1 Ω
      U12-4 (E) - Body ground Always Below 1 Ω
      U12-3 (CLS) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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