LUGGAGE COMPARTMENT DOOR CLOSER SYSTEM Luggage Compartment Door Closer does not Operate

DESCRIPTION

The luggage compartment door closer is controlled by the luggage closer motor assembly*1 or multiplex network door ECU*2. The closer motor is activated according to the switch signals in the luggage compartment door lock assembly.


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 the Service Bulletin.

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

PROCEDURE


  1. OPERATION INSPECTION


    1. Confirm the problem symptoms Click here.

      Result
      Result Proceed to
      The luggage compartment door does not operate properly. A
      The luggage compartment door does not operate properly when the luggage electrical key switch is operated. B

    B

    READ VALUE USING GTS (TR/B-DOOR UNLOCK SW) Click here

    A

  2. READ VALUE USING GTS (PAWL POSITION SWITCH)


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

      Back Door
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Pawl Position Switch Luggage compartment door lock assembly pawl position switch signal / ON or OFF

      ON: Pawl position switch of luggage compartment door lock assembly on

      OFF: Pawl position switch of luggage compartment door lock assembly off (Luggage compartment door closed)

      • See "Luggage Compartment Door Closer Operation Timing Chart" Click here.

      • When this item is abnormal, there is a problem with the pawl position switch of the luggage compartment door lock assembly or related parts.
      Result
      Result Proceed to
      On the screen, each item changes between ON and OFF as shown in above chart (w/ Power Trunk Lid System). A
      On the screen, each item changes between ON and OFF as shown in above chart (w/o Power Trunk Lid System). B
      On the screen, each item does not changes (w/ Power Trunk Lid System). C
      On the screen, each item does not changes (w/o Power Trunk Lid System). D

    A

    REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Click here

    B

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here

    D

    CHECK (MULTIPLEX NETWORK DOOR ECU - AUXILIARY BATTERY AND BODY GROUND) Click here

    C

  3. CHECK HARNESS AND CONNECTOR (LUGGAGE CLOSER MOTOR - AUXILIARY BATTERY AND BODY GROUND)


    1. B002BCGE03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Luggage Closer Motor Assembly)

      Disconnect the luggage closer motor connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      U33-10 (ECUB) - Body ground Power switch off 11 to 14 V
      U33-12 (B) - Body ground Power switch off 11 to 14 V
      U33-8 (IG) - Body ground Power switch on (IG) 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U33-11 (GND) - Body ground Always Below 1 Ω

    OK

  4. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY


    1. B002BOSE09
      Text in Illustration
      *a Full latch
      *b Half-latch
      *c Open latch

      Remove the luggage compartment door lock assembly Click here.

    2. Set the luggage compartment door lock assembly to the half-latch position.

    3. Apply auxiliary battery voltage to the closer connector and check the closer operation.

      OK
      Measurement Condition Specified Condition

      Auxiliary battery positive (+) → Terminal 8 (M+)

      Auxiliary battery negative (-) → Terminal 1 (M-)

      		 Luggage compartment door lock half-latch → full latch

    4. Set the luggage compartment door lock assembly to the full latch position.

    5. Apply auxiliary battery voltage to the closer connector and check the open operation.

      OK
      Measurement Condition Specified Condition

      Auxiliary battery positive (+) → Terminal 1 (M-)

      Auxiliary battery negative (-) → Terminal 8 (M+)

      		 Luggage compartment door lock full latch → open latch

    NG

    REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here

    OK

  5. CHECK (LUGGAGE CLOSER MOTOR - LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY)


    1. Disconnect the U33 luggage closer motor connector.

    2. Disconnect the a9 luggage compartment door lock connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U33-2 (LCM+) - a9-8 (M+) Always Below 1 Ω
      U33-1 (LCM-) - a9-1 (M-) Always Below 1 Ω
      U33-20 (PAWL) - a9-11 (CLS) Always Below 1 Ω
      U33-16 (CSG) - a9-4 (CPSE) Always Below 1 Ω
      U33-17 (CS2) - a9-9 (CPS2) Always Below 1 Ω
      U33-18 (CS1) - a9-2 (CPS1) Always Below 1 Ω
      U33-19 (CSV) - a9-3 (CPS+) Always Below 1 Ω
      U33-7 (HAF) - a9-6 (FSW) Always Below 1 Ω
      U33-21 (SWG) - a9-7 (E) Always Below 1 Ω
      U33-21 (SWG) - a9-12 (CSWE) Always Below 1 Ω
      U33-2 (LCM+) - Body ground Always 10 kΩ or higher
      U33-1 (LCM-) - Body ground Always 10 kΩ or higher
      U33-20 (PAWL) - Body ground Always 10 kΩ or higher
      U33-16 (CSG) - Body ground Always 10 kΩ or higher
      U33-17 (CS2) - Body ground Always 10 kΩ or higher
      U33-18 (CS1) - Body ground Always 10 kΩ or higher
      U33-19 (CSV) - Body ground Always 10 kΩ or higher
      U33-7 (HAF) - Body ground Always 10 kΩ or higher
      U33-21 (SWG) - Body ground Always 10 kΩ or higher

    OK

  6. CHECK LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY


    1. Temporarily replace the luggage compartment door lock with a new or normally functioning one Click here.

    2. Check the luggage compartment door closer operation.

      OK
      Luggage compartment door closer normal operation.

    OK

    END (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY WAS DEFECTIVE)

    NG

    REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Click here

  7. CHECK (MULTIPLEX NETWORK DOOR ECU - AUXILIARY BATTERY AND BODY GROUND)


    1. B002BFSE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Multiplex Network Door ECU)

      Disconnect the multiplex network door ECU connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      U68-18 (ECUB) - Body ground Power switch off 11 to 14 V
      U68-19 (B) - Body ground Power switch off 11 to 14 V
      U68-16 (IG) - Body ground Power switch on (IG) 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U68-1 (GND) - Body ground Always Below 1 Ω

    OK

  8. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY


    1. B002BOSE09
      Text in Illustration
      *a Full latch
      *b Half-latch
      *c Open latch

      Remove the luggage compartment door lock assembly Click here.

    2. Set the luggage compartment door lock assembly to the half-latch position.

    3. Apply auxiliary battery voltage to the closer connector and check the closer operation.

      OK
      Measurement Condition Specified Condition

      Auxiliary battery positive (+) → Terminal 8 (M+)

      Auxiliary battery negative (-) → Terminal 1 (M-)

      		 Luggage compartment door lock half-latch → full latch

    4. Set the luggage compartment door lock assembly to the full latch position.

    5. Apply auxiliary battery voltage to the closer connector and check the open operation.

      OK
      Measurement Condition Specified Condition

      Auxiliary battery positive (+) → Terminal 1 (M-)

      Auxiliary battery negative (-) → Terminal 8 (M+)

      		 Luggage compartment door lock full latch → open latch

    NG

    REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here

    OK

  9. CHECK (MULTIPLEX NETWORK DOOR ECU - LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY)


    1. Disconnect the U68 multiplex network door ECU connector.

    2. Disconnect the a9 luggage compartment door lock connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U68-6 (LCM+) - a9-8 (M+) Always Below 1 Ω
      U68-7 (LCM-) - a9-1 (M-) Always Below 1 Ω
      U68-14 (PAWL) - a9-11 (CLS) Always Below 1 Ω
      U68-9 (CSG) - a9-4 (CPSE) Always Below 1 Ω
      U68-17 (CS2) - a9-9 (CPS2) Always Below 1 Ω
      U68-5 (CS1) - a9-2 (CPS1) Always Below 1 Ω
      U68-4 (CSV) - a9-3 (CPS+) Always Below 1 Ω
      U68-13 (HAF) - a9-6 (FSW) Always Below 1 Ω
      U68-8 (SWG) - a9-7 (E) Always Below 1 Ω
      U68-8 (SWG) - a9-12 (CSWE) Always Below 1 Ω
      U68-6 (LCM+) - Body ground Always 10 kΩ or higher
      U68-7 (LCM-) - Body ground Always 10 kΩ or higher
      U68-14 (PAWL) - Body ground Always 10 kΩ or higher
      U68-9 (CSG) - Body ground Always 10 kΩ or higher
      U68-17 (CS2) - Body ground Always 10 kΩ or higher
      U68-5 (CS1) - Body ground Always 10 kΩ or higher
      U68-4 (CSV) - Body ground Always 10 kΩ or higher
      U68-13 (HAF) - Body ground Always 10 kΩ or higher
      U68-8 (SWG) - Body ground Always 10 kΩ or higher

    OK

  10. CHECK LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY


    1. Temporarily replace the luggage compartment door lock with a new or normally functioning one Click here.

    2. Check the luggage compartment door closer operation.

      OK
      Luggage compartment door closer normal operation.

    OK

    END (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY WAS DEFECTIVE)

    NG

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here

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

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

  12. INSPECT LUGGAGE ELECTRICAL KEY SWITCH


    1. Inspect the luggage electrical key switch Click here.

    2. Remove the luggage electrical key switch Click here.


    NG

    REPLACE LUGGAGE ELECTRICAL KEY SWITCH Click here

    OK

  13. CHECK HARNESS AND CONNECTOR (LUGGAGE ELECTRICAL KEY SWITCH - 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)