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 switch assembly is pushed with the luggage door opening cancel switch assembly is off, the luggage compartment door is open.

WIRING DIAGRAM

Refer to the "System Diagram".

Click here

CAUTION / NOTICE / HINT

Note


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

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

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / (desired system) / Active Test.

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

      Back Door (w/ Power Trunk Lid System)
      Tester Display Test Part Control Range Diagnostic Note
      Latch Release Operate luggage door closer assembly latch release OFF or ON -
      Main Body (w/o Power Trunk Lid System)
      Tester Display Test Part Control Range Diagnostic Note
      Trunk and Back-Door Open Operate luggage compartment door lock assembly latch release OFF or ON -
      OK
      Luggage door closer assembly*1 or luggage compartment door lock assembly*2 latch release motor is ON/OFF.

      • *1: w/ Power Trunk Lid System

      • *2: w/o Power Trunk Lid System

      Result
      Result Proceed to
      OK A
      NG (w/ Power Trunk Lid System) B
      NG (w/o Power Trunk Lid System) C

    B

    GO TO LUGGAGE COMPARTMENT DOOR CLOSER SYSTEM Click here

    C

    INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here

    A

  2. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the power 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.

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

      ON: Luggage door opening switch assembly is on

      OFF: Luggage door opening switch assembly is off

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

      ON: Luggage door opening cancel switch assembly is on

      OFF: Luggage door opening cancel switch assembly is off

      		 -
      Luggage courtesy SW Luggage door closer assembly courtesy switch signal / ON or OFF

      ON: Luggage door closer assembly courtesy switch on

      OFF: Luggage door closer assembly courtesy switch off

      		 For vehicles with power trunk lid system, this item is not related to luggage compartment door condition.
      OK
      On the GTS screen, each item changes between ON and OFF as shown in above chart.
      Result
      Result Proceed to
      OK A
      NG (Luggage door opening switch assembly) B
      NG (Luggage door opening cancel switch assembly) C
      NG (Luggage courtesy switch) D

    B

    INSPECT LUGGAGE DOOR OPENING SWITCH ASSEMBLY Click here

    C

    INSPECT LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY Click here

    D

    GO TO LIGHTING SYSTEM Click here

    A

  3. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the power 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.

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

      ON: Luggage electrical key switch pushed

      OFF: Luggage electrical key switch not pushed

      		 When this item is abnormal, there is a problem with the luggage electrical key switch of the luggage door closer assembly*1, luggage compartment door lock assembly*2 or related parts.

      • *1: w/ Power Trunk Lid System

      • *2: w/o Power Trunk Lid System

      OK
      On the GTS screen, each item changes between ON and OFF as shown in above chart.

    NG

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

    OK

  4. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


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

      Click here

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

      OK
      Luggage door opener system is normal.

    OK

    END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE)

    NG

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

  5. 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


    NG

    REPLACE LUGGAGE DOOR OPENING SWITCH ASSEMBLY Click here

    OK

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


    1. Disconnect the H9 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the H69 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
      H9-5 (TSW) - H69-6 (B) Always Below 1 Ω
      H69-3 (L) - Body ground Always Below 1 Ω
      H9-5 (TSW) - Body ground Always 10 kΩ or higher

    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


    NG

    REPLACE LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY Click here

    OK

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


    1. Disconnect the H9 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the H74 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
      H9-11 (TMSW) - H74-2 (B) Always Below 1 Ω
      H74-1 (L) - Body ground Always Below 1 Ω
      H9-11 (TMSW) - Body ground Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  9. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY


    1. B0011DLC35
      *a

      Component without harness connected:

      (Luggage Compartment Door Lock Assembly)
      *b Close (Lock)
      *c Open (Unlock)

      Remove the luggage compartment door lock assembly.

      Click here

    2. Check the operation of the door lock motor.


      1. Move the door lock to the close (lock) position.

      2. Apply auxiliary battery voltage to the door lock motor and check operation of the door lock motor.

        OK
        Measurement Condition Specified Condition

        Auxiliary battery positive (+) → Terminal 1 (B)

        Auxiliary battery negative (-) → Terminal 2 (E)

        		 Luggage compartment door lock motor open (unlock) operation

    3. Check the operation of the door courtesy switch.


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        3 (D+) - 2 (E) Fully latched 10 kΩ or higher
        3 (D+) - 2 (E) Fully open Below 1 Ω

    NG

    REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here

    OK

  10. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK - MAIN BODY ECU AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the U3 luggage compartment door lock assembly connector.

    2. Disconnect the H10 main body ECU (multiplex network body ECU) connector.

    3. Disconnect the 3C instrument panel junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U3-3 (D+) - H10-19 (LGCY) Always Below 1 Ω
      U3-1(B) - 3C-10 Always Below 1 Ω
      3C-10 - Body ground Always Below 1 Ω
      U3-2 (E) - Body ground Always Below 1 Ω
      U3-3 (D+) - Body ground Always 10 kΩ or higher
      U3-1 (B) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  11. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


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

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

      OK
      Luggage door opener system is normal.

    OK

    END (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WAS DEFECTIVE)

    NG

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