LUGGAGE COMPARTMENT DOOR OPENER SYSTEM Luggage Compartment Door Opener does not Operate

DESCRIPTION

The main body ECU (multiplex network body ECU) continuously receives the luggage door opening cancel switch assembly ON/OFF signal. When the luggage door opening cancel switch assembly signal is off, and the luggage compartment door opening switch assembly is on, the luggage compartment door will open.

WIRING DIAGRAM

Refer to the "System Diagram".

Click here

CAUTION / NOTICE / HINT

Note


  • Inspect the fuses for circuits related to this system before performing the following procedure.

  • The luggage compartment door opener system uses the CAN communication system. First, confirm that there is no malfunction in the CAN communication system. Refer to the How to Proceed with Troubleshooting procedure.

    Click here

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

  • Before replacing the certification ECU (smart key ECU assembly), refer to Service Bulletin.

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS (LATCH RELEASE)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Back Door / Active Test.

    5. Perform the Active Test according to the display on the GTS.


      Body Electrical > Back Door > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Latch Release Laggage door closer assembly (latch release) operation OFF or ON -

      Body Electrical > Back Door > Active Test
      Tester Display
      Latch Release
      OK
      Luggage compartment door lock assembly latch release motor is operates normally.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO LUGGAGE COMPARTMENT DOOR CLOSER SYSTEM Click here

    OK

  2. READ VALUE USING GTS (TRUNK/BDOOR OPEN SW, TRUNK MAIN SW, LUGGAGE COURTESY SW)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main Body / Data List.

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


      Body Electrical > Main Body > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Trunk/BDoor Open SW Luggage compartment door opening switch signal OFF or ON

      OFF: Luggage compartment door opening switch off

      ON: Luggage compartment door opening switch on

      		 -
      Trunk Main SW Luggage door opening cancel switch signal OFF or ON

      OFF: Luggage door opening cancel switch off

      ON: Luggage door opening cancel switch on

      		 -

      Body Electrical > Main Body > Data List
      Tester Display
      Trunk/BDoor Open SW
      Trunk Main SW
      OK
      The GTS display changes correctly in response to the ON/OFF operation of the luggage compartment door opening switch, luggage door opening cancel switch or luggage compartment door lock courtesy light switch.
      Result
      Result Proceed to
      OK A
      NG (Trunk/BDoor Open SW) B
      NG (Trunk Main SW) C

    B

    INSPECT LUGGAGE COMPARTMENT DOOR OPENING SWITCH ASSEMBLY Click here

    C

    INSPECT LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY Click here

    A

  3. READ VALUE USING GTS (TR/B-DOOR UNLOCK SW)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Entry&Start / Data List.

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


      Body Electrical > Entry&Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Tr/B-Door Unlock SW Luggage electrical key switch OFF or ON

      OFF: Luggage electrical key switch not pressed

      ON: Luggage electrical key switch pressed

      		 When this item is abnormal, there is a malfunction in the luggage electrical key switch or related parts.

      Body Electrical > Entry&Start > Data List
      Tester Display
      Tr/B-Door Unlock SW
      OK
      The GTS display changes correctly in response to the operation of the luggage electrical key switch.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO ENTRY AND START SYSTEM (for Entry Function) Click here

    OK

  4. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main Body / Data List.

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


      Body Electrical > Main Body > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Trunk Link with Door Lock Luggage compartment door lock function OFF or ON Customized value displayed -

      Body Electrical > Main Body > Data List
      Tester Display
      Trunk Link with Door Lock
      Result
      Proceed to Proceed to
      Luggage compartment door lock function is ON (There is a malfunction when only the luggage electrical key switch is operated [all doors are unlocked and the electrical key transmitter sub-assembly is not held]). A
      Luggage compartment door lock function is OFF (There is a malfunction when only the luggage electrical key switch is operated [electrical key transmitter sub-assembly is held]) (w/ Entry Function). B
      Luggage compartment door lock function is ON (There is a malfunction when only the luggage electrical key switch is operated [electrical key transmitter sub-assembly is held]) (w/ Entry Function).
      Luggage compartment door lock function is OFF (There is a malfunction when only the luggage electrical key switch is operated [all doors are unlocked and the electrical key transmitter sub-assembly is not held]). C

    A

    GO TO LIGHTING SYSTEM (Door Unlock Detection Switch Circuit) Click here

    B

    GO TO ENTRY AND START SYSTEM (for Entry Function) Click here

    C

    PERFORM CUSTOMIZE SETTING Click here

  5. INSPECT LUGGAGE COMPARTMENT DOOR OPENING SWITCH ASSEMBLY


    1. Remove the luggage compartment door opening switch assembly.

      Click here

    2. Inspect the luggage compartment door opening switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE LUGGAGE COMPARTMENT DOOR OPENING SWITCH ASSEMBLY Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - LUGGAGE COMPARTMENT DOOR OPENING SWITCH ASSEMBLY AND BODY GROUND)


    1. Disconnect the K12 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the K2 luggage compartment door opening switch assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K12-8 (TSW) - K2-3 (B) Always Below 1 Ω
      K2-4 (L) - Body ground Always Below 1 Ω
      K12-8 (TSW) or K2-3 (B) - 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

  7. INSPECT LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY


    1. Remove the luggage door opening cancel switch assembly.

      Click here

    2. Inspect the luggage door opening cancel switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY Click here

    OK

  8. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY AND BODY GROUND)


    1. Disconnect the K12 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the K68 luggage door opening cancel switch assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K12-5 (TMSW) - K68-2 (B) Always Below 1 Ω
      K68-1 (L) - Body ground Always Below 1 Ω
      K12-5 (TMSW) or K68-2 (B) - 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