POWER TRUNK LID SYSTEM Power Trunk Lid does not Operate Using Cabin Switch

DESCRIPTION

The trunk and fuel switch assembly (luggage door opening switch) signal is sent to the luggage closer motor assembly.

If the power trunk lid does not operate using the trunk and fuel (luggage door opening switch), a trunk and fuel (luggage door opening switch) circuit malfunction is a possible cause.

WIRING DIAGRAM

B004VQQE02
*a Main Body ECU (Multiplex Network Body ECU)
*b Luggage Closer Motor Assembly
*c Trunk and Fuel Switch Assembly (Luggage Door Opening Switch)
*d CAN Communication Line

CAUTION / NOTICE / HINT

Note


  • If the replacement, removal and installation of the luggage closer motor assembly or disconnection of the connectors of the luggage closer motor assembly has been performed, initialize the power trunk lid system.

    Click here

  • Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

PROCEDURE


  1. READ VALUE USING GTS


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

      Click here


      Body Electrical > Main Body > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Trunk/BDoor Open SW Trunk and fuel switch assembly (luggage door opening switch) signal OFF or ON

      OFF: Trunk and fuel switch assembly (luggage door opening switch) off

      ON: Trunk and fuel switch assembly (luggage door opening switch) on

      		 -

      Body Electrical > Main Body > Data List
      Tester Display
      Trunk/BDoor Open SW
      OK
      The Data List item changes according to the operation of the trunk and fuel switch assembly (luggage door opening switch).
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

  2. INSPECT TRUNK AND FUEL SWITCH ASSEMBLY (LUGGAGE DOOR OPENING SWITCH)


    1. Remove the trunk and fuel switch assembly (luggage door opening switch).

      Click here

    2. Inspect the trunk and fuel switch assembly (luggage door opening switch).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE TRUNK AND FUEL SWITCH ASSEMBLY (LUGGAGE DOOR OPENING SWITCH) Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (TRUNK AND FUEL SWITCH ASSEMBLY [LUGGAGE DOOR OPENING SWITCH] - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)


    1. Disconnect the G73 trunk and fuel switch assembly (luggage door opening switch) connector.

    2. Disconnect the G17 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G73-4 (B) - G17-4 (TSW) Always Below 1 Ω
      G73-3 (L) - Body ground Always Below 1 Ω
      G73-4 (B) or G17-4 (TSW) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR