POWER BACK DOOR SYSTEM Close & Lock Function does not Operate

DESCRIPTION

The door control switch signal is sent to the multiplex network door ECU. If the power back door system does not operate when the door control switch is operated, the door control switch circuit may be malfunctioning.

WIRING DIAGRAM

B0058Z5E17

CAUTION / NOTICE / HINT

Note

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

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PROCEDURE


  1. READ VALUE USING GTS


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

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      Body Electrical > Back Door > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Close and Lock SW Door control switch signal ON or OFF

      ON: Door control switch pushed

      OFF: Door control switch not pushed

      		 -

      Body Electrical > Back Door > Data List
      Tester Display
      Close and Lock SW
      OK
      The door control switch functions as specified in the normal condition column.
      OK
      Proceed to
      OK
      NG

    OK

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here

    NG

  2. INSPECT DOOR CONTROL SWITCH


    1. Remove the door control switch.

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    2. Inspect the door control switch.

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      OK
      Proceed to
      OK
      NG

    NG

    REPLACE DOOR CONTROL SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - MULTIPLEX NETWORK DOOR ECU AND BODY GROUND)


    1. Disconnect the Y29 door control switch connector.

    2. Disconnect the Y25 multiplex network door ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Y29-5 (CLLS) - Y25-10 (CLSW) Always Below 1 Ω
      Y29-2 (E) - Body ground Always Below 1 Ω
      Y29-5 (CLLS) or Y25-10 (CLSW) - Body ground Always 10 kΩ or higher
      OK
      Proceed to
      OK
      NG

    OK

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR