SMART ENTRY AND START SYSTEM(for Entry Function) Luggage Compartment Door Entry Unlock Function does not Operate when Key is Outside Luggage Compartment

DESCRIPTION

If the luggage compartment door entry unlock function does not operate, the request code may not be being transmitted from the luggage compartment door. If the entry functions for other doors operate properly, communication between the electrical key transmitter sub-assembly and door control receiver is normal. In this case, there may be a problem with request code transmission (communication between the certification ECU (smart key ECU assembly) and electrical key antenna (outside luggage)), a luggage compartment door outer switch malfunction or wave interference.

WIRING DIAGRAM

A01W1B1E13

CAUTION / NOTICE / HINT

Note


  • The smart entry and start system (for Entry Function) uses the CAN communication system and LIN communication system. First inspect the communication systems by following How to Proceed with Troubleshooting Click here. Troubleshoot the smart entry and start system (for Entry Function) after confirming that the communication systems are functioning properly.

  • When using the GTS with the vehicle engine switch off, connect the GTS to the vehicle and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.

  • Check that there are no electrical key transmitter sub-assemblies in the vehicle.

  • Before performing the inspection, check that DTC B1242 (wireless door lock control) is not output Click here.

  • Before replacing the certification ECU (smart key ECU assembly), refer to the smart entry and start system (for Entry Function) precaution Click here.

  • After repair, confirm that no DTCs are output by performing the "DTC Output Confirmation Operation".

PROCEDURE


  1. READ VALUE USING GTS


    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.

      Entry&Start
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Trunk Open Mode Luggage compartment door open mode / ON or OFF Customization status displayed -
      Result
      Result Proceed to
      "Trunk Open Mode" is ON A
      "Trunk Open Mode" is OFF B

    B

    PERFORM CUSTOMIZE SETTING (Proceed to Customize Parameters) Click here

    A

  2. READ VALUE USING GTS


    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.

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

      ON: Luggage door opening switch assembly pushed

      OFF: Luggage door opening switch assembly not pushed

      		 -
      OK
      On the GTS screen, the display changes between ON and OFF according to the chart above.

    NG

    INSPECT LUGGAGE DOOR OPENING SWITCH ASSEMBLY Click here

    OK

  3. PERFORM ACTIVE TEST USING GTS


    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 / (desired system) / Active Test.

    5. Read the Data List 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 compartment door latch release ON/OFF -
      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 motor ON/OFF -
      OK
      Luggage compartment door lock motor operates.

    NG

    GO TO LUGGAGE COMPARTMENT DOOR OPENER SYSTEM Click here

    OK

  4. CHECK WAVE ENVIRONMENT


    1. A01W5FOE01
      Text in Illustration
      *a Approximately 0.3 m (0.984 ft.)

      Bring the electrical key transmitter sub-assembly near the electrical key antenna (outside luggage), and perform an entry luggage compartment open function check.

      Note

      If the electrical key transmitter sub-assembly is brought within 0.2 m (0.656 ft.) of the rear bumper, communication is not possible.

      Tech Tips


      • When pressing the luggage door opening switch assembly, hold the electrical key transmitter sub-assembly approximately 1 m (3.28 ft.) above the ground and approximately 0.3 m (0.984 ft.) away from the vehicle as shown in the illustration.

      • When the electrical key transmitter sub-assembly is brought near the electrical key antenna (outside luggage), the possibility of wave interference decreases, and it can be determined if wave interference is causing the problem symptom.

      • If the operation check is normal, the possibility of wave interference is high. Also, added vehicle components may cause wave interference. If installed, remove them and perform the operation check.

      OK
      Entry functions operate normally.

    OK

    AFFECTED BY WAVE INTERFERENCE

    NG

  5. CHECK KEY DIAGNOSTIC MODE


    1. Check the following antennas in the key diagnostic mode Click here.

    2. A01W5FOE01
      Text in Illustration
      *a 0.7 to 1.0 m (2.30 to 3.28 ft.)

      Select either channel 1 or channel 2 and inspect the key diagnostic mode for each channel.


      1. When the electrical key transmitter sub-assembly is held at the same height as the rear bumper upper surface, align it with the center of the rear of the vehicle and check that the wireless door lock buzzer sounds.

        Tech Tips


        • Hold the electrical key transmitter sub-assembly at the same height as the rear bumper upper surface and align it with the center of the rear of the vehicle (0.7 to 1.0 m (2.30 to 3.28 ft.)). Make sure that the direction of the electrical key transmitter sub-assembly is as shown in the illustration.

        • If the buzzer sounds, it can be determined that the luggage compartment exterior transmitter is operating normally.

        • If the buzzer sounds with [CH1] displayed but not with [CH2], the electrical key transmitter sub-assembly cannot be detected by channel 2 due to a malfunction, such as wave interference.

        OK
        Wireless door lock buzzer sounds.

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

  6. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - ELECTRICAL KEY ANTENNA)


    1. Disconnect the Q1 certification ECU (smart key ECU assembly) connector.

    2. Disconnect the U10 electrical key antenna (outside luggage) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Q1-1 (CG8B) - U10-2 (CLGB) Always Below 1 Ω
      Q1-2 (CLG8) - U10-1 (ANTE8) Always Below 1 Ω
      Q1-1 (CG8B) - Body ground Always 10 kΩ or higher
      Q1-2 (CLG8) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. INSPECT ELECTRICAL KEY ANTENNA (OUTSIDE LUGGAGE)


    1. A01W0APE44
      Text in Illustration
      *a

      Component without harness connected:

      (Electrical Key Antenna (Outside Luggage))

      Remove the electrical key antenna (outside luggage). Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (ANTE8) - 2 (CLGB) Always Below 1 Ω

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPLACE ELECTRICAL KEY ANTENNA (OUTSIDE LUGGAGE) Click here

  8. INSPECT LUGGAGE DOOR OPENING SWITCH ASSEMBLY


    1. Remove the luggage door opening switch assembly Click here.

    2. A01VZVLE46
      Text in Illustration
      *a

      Component without harness connected

      (Luggage Door Opening Switch Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (E) - 2 (UL) Luggage door opening switch assembly not pushed 10 kΩ or higher
      1 (E) - 2 (UL) Luggage door opening switch assembly pushed Below 1 Ω

    NG

    REPLACE LUGGAGE DOOR OPENING SWITCH ASSEMBLY Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - LUGGAGE DOOR OPENING SWITCH)


    1. Disconnect the Q1 certification ECU (smart key ECU assembly) connector.

    2. Disconnect the U11 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
      Q1-27 (TSW5) - U11-2 (UL) Always Below 1 Ω
      U11-1 (E) - Body ground Always Below 1 Ω
      Q1-27 (TSW5) or U11-2 (UL) - Body ground Always 10 kΩ or higher

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR