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 compartment door opening cancel switch ON/OFF signal. When the luggage compartment door opening cancel switch signal is off, and the luggage compartment door opening switch is on, the luggage closer motor activates the luggage compartment door closer, and opens the luggage compartment door.

WIRING DIAGRAM

Refer to the "System Diagram" Click here.

CAUTION / NOTICE / HINT

Note


  • If the main body ECU (multiplex network body ECU) or certification ECU (smart key ECU assembly) is replaced, refer to the 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. Select the Active Test, use the GTS to generate a control command, and then check that the luggage closer motor operates Click here.

      Back Door
      Tester Display Test Part Control Range Diagnostic Note
      Latch Release Operate luggage compartment door latch release ON or OFF -
      OK
      Luggage compartment door latch release motor is ON/OFF.

    NG

    GO TO LUGGAGE COMPARTMENT DOOR CLOSER SYSTEM Click here

    OK

  2. READ VALUE USING GTS


    1. Using the GTS, read the Data List Click here.

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

      ON: Luggage door opening cancel switch is on

      OFF: Luggage door opening cancel switch is off

      		 -
      Trunk/BDoor Open SW Luggage door opening switch signal / ON or OFF

      ON: Luggage door opening switch is on

      OFF: Luggage door opening switch is off

      		 -
      OK
      On 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

    B

    INSPECT LUGGAGE 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. Using the GTS, read the Data List Click here.

      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 lock assembly or related parts.
      OK
      On GTS screen, each item changes between ON and OFF as shown in above chart.

    NG

    INSPECT LUGGAGE ELECTRICAL KEY SWITCH Click here

    OK

  4. READ VALUE USING GTS (TRUNK LINK WITH DOOR LOCK)


    1. Using the GTS, read the Data List Click here.

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

    B

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

    C

    PERFORM CUSTOMIZE SETTING (Proceed to Customize Parameters) Click here

    A

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


    1. Replace the main body ECU (multiplex network body ECU) with a new one Click here.

    2. Check the luggage compartment door opener system operate normal Click here.

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

    A

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

    B

    REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Click here

    C

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here

  6. 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

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


    1. Disconnect the N13 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the N2 luggage door opening switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N13-8 (TSW) - N2-3 (B) Always Below 1 Ω
      N2-4 (L) - Body ground Always Below 1 Ω
      N13-8 (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

  8. 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

  9. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] - LUGGAGE DOOR OPENING CANCEL SWITCH AND BODY GROUND)


    1. Disconnect the N13 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the N84 luggage door opening cancel switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N13-5 (TMSW) - N84-2 Always Below 1 Ω
      N84-1 - Body ground Always Below 1 Ω
      N13-5 (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

  10. INSPECT LUGGAGE ELECTRICAL KEY SWITCH


    1. Remove the luggage electrical key switch Click here.

    2. Inspect the luggage electrical key switch Click here.


    NG

    REPLACE LUGGAGE ELECTRICAL KEY SWITCH Click here

    OK

  11. CHECK HARNESS AND CONNECTOR (LUGGAGE ELECTRICAL KEY - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY] AND BODY GROUND)


    1. Disconnect the a7 luggage electrical key switch connector.

    2. Disconnect the N98 certification ECU (smart key ECU assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      a7-2 (UL) - N98-22 (TSW5) Always Below 1 Ω
      a7-1 (E) - Body ground Always Below 1 Ω
      a7-2 (UL) - Body ground Always 10 kΩ or higher

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR