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 door opening switch assembly is on, the luggage compartment door is 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

  • If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.

  • If the certification ECU (smart key ECU assembly) is replaced, refer to Service Bulletin.

PROCEDURE


  1. CHECK POWER DOOR LOCK CONTROL SYSTEM


    1. Check power door lock control system operation.

      Click here

      OK
      Power door lock control system is normal.
      Result
      Proceed to
      OK
      NG

    NG
    OK
  2. CHECK WIRELESS DOOR LOCK CONTROL SYSTEM


    1. Check wireless door lock control system operation.

      Click here

      OK
      Wireless door lock control system is normal.
      Result
      Proceed to
      OK
      NG

    NG
    OK
  3. PERFORM ACTIVE TEST USING GTS (TRUNK AND BACK-DOOR OPEN)


    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 / Active Test.

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


      Body Electrical > Main Body > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Trunk and Back-Door Open Operate luggage compartment door lock assembly latch release OFF or ON -

      Body Electrical > Main Body > Active Test
      Tester Display
      Trunk and Back-Door Open
      OK
      Luggage compartment door lock assembly latch release motor is ON/OFF.
      Result
      Proceed to
      OK
      NG

    NG
    OK
  4. 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 door opening switch signal OFF or ON

      OFF: Luggage door opening switch off

      ON: Luggage 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

      -
      Luggage Courtesy SW Luggage compartment door lock courtesy light switch signal OFF or ON

      OFF: Luggage compartment door lock courtesy light switch off

      ON: Luggage compartment door lock courtesy light switch on

      -

      Body Electrical > Main Body > Data List
      Tester Display
      Trunk/BDoor Open SW
      Trunk Main SW
      Luggage Courtesy SW
      OK
      The GTS display changes correctly in response to the ON/OFF operation of the luggage 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
      NG (Luggage Courtesy SW) D

    B
    C
    D
    A
  5. 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 pushed

      ON: Luggage electrical key switch pushed

      When this item is abnormal, there is a malfunction in the luggage electrical key switch of the luggage compartment door lock assembly or related parts.
      OK
      The GTS display changes correctly in response to the operation of the luggage electrical key switch.
      Result
      Proceed to
      OK
      NG

    NG
    OK
  6. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


    1. Temporarily replace the main body ECU (multiplex network body ECU) with a new or known good one.

      Click here

    2. Check that the luggage door opener system is normal.

      OK
      Luggage door opener system is normal.
      Result
      Proceed to
      OK
      NG

    OK
    NG
  7. INSPECT LUGGAGE DOOR OPENING SWITCH ASSEMBLY


    1. Remove the luggage door opening switch assembly.

      Click here

    2. Inspect the luggage door opening switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

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


    1. Disconnect the K1 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the K91 luggage 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
      K1-5 (TSW) - K91-4 (B) Always Below 1 Ω
      K91-1 (L) - Body ground Always Below 1 Ω
      K1-5 (TSW) - Body ground Always 10 kΩ or higher
      K91-4 (B) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK
    NG
  9. 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
    OK
  10. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY AND BODY GROUND)


    1. Disconnect the K2 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the K92 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
      K2-17 (TMSW) - K92-2 (B) Always Below 1 Ω
      K92-1 (L) - Body ground Always Below 1 Ω
      K2-17 (TMSW) - Body ground Always 10 kΩ or higher
      K92-2 (B) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK
    NG
  11. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY


    1. Remove the luggage compartment door lock assembly.

      Click here

    2. Inspect the luggage compartment door lock assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG
    OK
  12. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the Q49 luggage compartment door lock assembly connector.

    2. Disconnect the 4D instrument panel junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Q49-3 (D+) - 4D-16 Always Below 1 Ω
      Q49-1 (B) - 4D-1 Always Below 1 Ω
      Q49-2 (E) - Body ground Always Below 1 Ω
      Q49-3 (D+) - Body ground Always 10 kΩ or higher
      Q49-1 (B) - Body ground Always 10 kΩ or higher
      4D-16 - Body ground Always 10 kΩ or higher
      4D-1 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG
    OK
  13. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. Temporarily replace the instrument panel junction block assembly with a new or known good one.

      Click here

    2. Check that the luggage door opener system is normal.

      OK
      Luggage door opener system is normal.
      Result
      Proceed to
      OK
      NG

    OK
    NG