POWER TRUNK LID SYSTEM Luggage Compartment Door Closer does not Operate

DESCRIPTION

The luggage compartment door closer is controlled by the power trunk lid ECU. The closer motor is activated according to the switch signals in the luggage compartment door closer assembly.

WIRING DIAGRAM

A01GLXKE01

INSPECTION PROCEDURE

Note


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

  • Before replacing the television camera (luggage electrical key switch), refer to the parking assist monitor system initialization Click here.

Tech Tips

Since the power trunk lid system has functions that use CAN communication system, first confirm that there is no malfunction in the communication system by inspecting the CAN communication functions in accordance with the "How to Proceed with Troubleshooting" procedures. Then, conduct the following inspection procedure.

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (LUGGAGE COMPARTMENT DOOR KEY CYLINDER)


    1. Check the Data List for proper functioning of the luggage compartment door closer Click here.

      Body No. 4 (Rear junction block ECU)
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Luggage Door Lock/Unlock Switch Luggage compartment door key cylinder switch signal / ON or OFF

      ON: Luggage compartment door key cylinder switch is turned to open position

      OFF: Luggage compartment door key cylinder switch is not turned

      		 -
      OK
      On intelligent tester screen, item changes between ON and OFF according to above chart.

    NG

    INSPECT LUGGAGE COMPARTMENT DOOR KEY CYLINDER Click here

    OK

  2. READ VALUE USING INTELLIGENT TESTER


    1. Check the Data List for proper functioning of the luggage compartment door closer Click here.

      Back Door (Luggage closer motor assembly)
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Back Door Handle SW Luggage electrical key switch signal / ON or OFF

      ON: Luggage electrical key switch is ON

      OFF: Luggage electrical key switch is OFF

      		 -
      Half Latch SW Half-latch switch signal / ON or OFF

      ON: Half-latch switch is ON

      OFF: Half-latch switch is OFF

      		 -
      Close Motor Pos1 Closer motor position switch signal / ON or OFF

      ON: Closer motor position switch is ON

      OFF: Closer motor position switch is OFF

      		 -
      Striker Switch Striker switch signal / ON or OFF

      ON: Striker switch is ON

      OFF: Striker switch is OFF

      		 -
      Pawl Position SW Pawl switch signal / ON or OFF

      ON: Pawl switch is ON

      OFF: Pawl switch is OFF

      		 -
      Courtesy SW Courtesy switch signal / ON or OFF

      ON: Courtesy switch is ON

      OFF: Courtesy switch is OFF

      		 -
      Result
      Result Proceed to
      Luggage electrical key switch signal malfunction A
      Each switch in luggage compartment door closer assembly is malfunctioning B
      Data List normal C

    B

    CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR CLOSER - LUGGAGE CLOSER MOTOR AND BODY GROUND) Click here

    C

    CHECK HARNESS AND CONNECTOR (LUGGAGE CLOSER MOTOR - BATTERY AND BODY GROUND) Click here

    A

  3. INSPECT LUGGAGE ELECTRICAL KEY SWITCH

    A01GHOOE06

    1. Remove the luggage electrical key switch Click here.

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

      Standard resistance
      Tester Connection Switch Condition Specified Condition
      5 - 10 Luggage electrical key switch OFF 10 kΩ or higher
      5 - 10 Luggage electrical key switch ON Below 1 Ω

    NG

    REPLACE LUGGAGE ELECTRICAL KEY SWITCH Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (LUGGAGE ELECTRICAL KEY SWITCH - LUGGAGE CLOSER MOTOR AND BODY GROUND)

    A01GNM8E05

    1. Disconnect the S85 switch connector.

    2. Disconnect the S43 motor connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      S85-10 - Body ground Always Below 1 Ω
      S85-5 - S43-19 (LPSW) Always Below 1 Ω
      S85-5 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Click here

  5. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR CLOSER - LUGGAGE CLOSER MOTOR AND BODY GROUND)

    A01GI7IE25

    1. Disconnect the S36 closer connector.

    2. Disconnect the S43 motor connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      S36-2 (OPN) - S43-24 (LOPN) Always Below 1 Ω
      S36-3 (FSW) - S43-7 (HALF) Always Below 1 Ω
      S36-5 (CLS) - S43-20 (PAWL) Always Below 1 Ω
      S36-6 (+B) - S43-9 (BDCY) Always Below 1 Ω
      S36-7 (CTY) - S43-22 (LCTY) Always Below 1 Ω
      S36-8 (E) - Body ground Always Below 1 Ω
      S36-2 (OPN) - Body ground Always 10 kΩ or higher
      S36-3 (FSW) - Body ground Always 10 kΩ or higher
      S36-5 (CLS) - Body ground Always 10 kΩ or higher
      S36-6 (+B) - Body ground Always 10 kΩ or higher
      S36-7 (CTY) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK LUGGAGE COMPARTMENT DOOR CLOSER (OPERATION)


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

    2. Check the manual luggage compartment door closer operation.

      OK
      Manual luggage compartment door closer operation normal.

    NG

    REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Click here

    OK

    END (LUGGAGE COMPARTMENT DOOR CLOSER ASSEMBLY IS DEFECTIVE)

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


    1. A01GLS3E31

      Disconnect the S43 motor connector.

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

      Standard voltage
      Tester Connection Condition Specified Condition
      S43-12 (B) - Body ground Always 11 to 14 V

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

      Standard resistance
      Tester Connection Condition Specified Condition
      S43-11 (GND) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. INSPECT LUGGAGE COMPARTMENT DOOR CLOSER ASSEMBLY

    A01GJ5GE01

    1. Remove the luggage compartment door closer Click here.

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

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

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 1 (M+)

      Battery negative (-) → Terminal 4 (M-)

      		 Door closer operation normal

    NG

    REPLACE LUGGAGE COMPARTMENT DOOR CLOSER ASSEMBLY Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR CLOSER - LUGGAGE CLOSER MOTOR AND BODY GROUND)

    A01GI7IE08

    1. Disconnect the S36 closer connector.

    2. Disconnect the S43 motor connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      S36-1 (M+) - S43-2 (LCM+) Always Below 1 Ω
      S36-4 (M-) - S43-1 (LCM-) Always Below 1 Ω
      S36-1 (M+) - Body ground Always 10 kΩ or higher
      S36-4 (M-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Click here

  10. INSPECT LUGGAGE COMPARTMENT DOOR KEY CYLINDER


    1. A01GI7RE01

      Remove the luggage compartment door key cylinder Click here.

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

      Standard resistance
      Tester Connection Switch Condition Specified Condition
      1 - 2 Not turned 10 kΩ or higher
      1 - 2 Open position Below 1 Ω

    NG

    REPLACE LUGGAGE COMPARTMENT DOOR LOCK CYLINDER Click here

    OK

  11. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR KEY CYLINDER - REAR JUNCTION BLOCK ECU AND BODY GROUND)

    A01GMCYE03

    1. Disconnect the S86 cylinder connector.

    2. Disconnect the S63 ECU connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      S86-1 - Body ground Always Below 1 Ω
      S86-2 - S63-10 (TKUL) Always Below 1 Ω
      S86-2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE LUGGAGE ROOM JUNCTION BLOCK (REAR JUNCTION BLOCK ECU)