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, either of the following may be malfunctioning: 1) power back door closer switch circuit or 2) power back door ECU (power back door motor unit).

WIRING DIAGRAM

A01ND1RE09

INSPECTION PROCEDURE

PROCEDURE


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


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / Back Door / Data List.

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

      Back Door (Power Back Door ECU (Power Back Door Motor Unit))
      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 POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) Click here

  2. INSPECT POWER BACK DOOR CLOSER SWITCH


    1. A01ND67E01
      Text in Illustration
      *1

      Component without harness connected

      (Power Back Door Closer Switch)

      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 - 4 Pushed (on) Below 1 Ω
      3 - 4 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. A01NHEJE03
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Power Back Door Closer Switch)
      *2

      Front view of wire harness connector

      (to Power Back Door ECU)

      Disconnect the Y18 power back door closer switch connector and P33 power back door ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Y18-3 - P33-4 (DS1) Always Below 1 Ω
      Y18-4 - Body ground Always Below 1 Ω
      Y18-3 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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