ENTRY AND START SYSTEM(for Entry Function) All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate

DESCRIPTION

When the wireless operation can be used to lock and unlock the doors, communication between the door control receiver and certification ECU (smart key ECU assembly) is normal. If the entry lock and unlock functions do not operate, the entry cancel function may be set through the customize function, there may be communication problems between the electrical key transmitter sub-assembly and vehicle, or there may be wave interference.

CAUTION / NOTICE / HINT

Note


  • When using the GTS with the power switch off, connect the GTS to the DLC3 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 Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start. 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.

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

    Click here

  • 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) or electrical key transmitter sub-assembly, refer to Service Bulletin.

  • After repair, confirm that no DTCs are output.

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

PROCEDURE


  1. CHECK POWER DOOR LOCK CONTROL SYSTEM


    1. When the door control switch on the multiplex network master switch assembly is operated, check that the doors unlock and lock according to the switch operation.

      Click here

      OK
      Door locks operate normally.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO POWER DOOR LOCK CONTROL SYSTEM Click here

    OK

  2. READ VALUE USING GTS (AUTO ENTRY CANCEL SW)


    1. Enter the following menus: Body Electrical / Entry&Start / Data List.

    2. Read the Data List according to the display on the GTS.


      Body Electrical > Entry&Start > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Auto Entry Cancel SW Entry and start system function OFF or ON

      OFF: Entry and start system not canceled

      ON: Entry and start system canceled

      		 The default setting for the entry cancel function is OFF. If the customer requests that the Entry and start system functions (locking and unlocking the doors while carrying the electrical key transmitter sub-assembly, etc.) be canceled, the setting can be changed through the customize function.

      Body Electrical > Entry&Start > Data List
      Tester Display
      Auto Entry Cancel SW

      Tech Tips

      If the Data List cannot be read, check the value by performing manual operation of the customize function.

      Click here

      Result
      Result Proceed to
      Entry door lock function cancel is OFF A
      Entry door lock function cancel is ON B

    B

    PERFORM CUSTOMIZE SETTING Click here

    A

  3. CHECK WAVE ENVIRONMENT


    1. Move the electrical key transmitter sub-assembly as described below and perform the operation inspection.

      Tech Tips


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

      • If the inspection result is that the problem only occurs in certain locations or at certain times of day, the possibility of wave interference is high. Also, added vehicle components may cause wave interference. If installed, remove them and perform the operation check.

      • There may be wave interference if the vehicle is near broadcasting antennas, large video displays, wireless garage door opener systems, wireless security cameras, home security systems, etc. In this case, move the vehicle to a different location and check if there is any improvement.

      • If a tool for checking radio waves, such as a signal strength meter, is available, move around the area while observing both the LF band (used by the vehicle antenna to form the detection area) and RF band (used by the electrical key transmitter sub-assembly for transmission) to check for locations where there is wave interference.

      • The transmitting wave of the wireless function and entry function are the same, but the wave logic is different. As a result, it is possible that only the wireless function or only the entry function is affected by wave interference.


      1. Figure 1. for LHD:

        B004S04C01
        *a Approximately 0.3 m (0.984 ft.)

        Figure 2. for RHD:

        B004R1YC01
        *a Approximately 0.3 m (0.984 ft.)

        Bring the electrical key transmitter sub-assembly approximately 0.3 m (0.984 ft.) from the front door outside handle assembly (for Driver Door) and perform a driver door entry lock and unlock operation check.

        Tech Tips

        Communication may not be possible if the electrical key transmitter sub-assembly is within 0.2 m (0.656 ft.) of the door handle.

      2. Figure 3. for LHD:

        B004R1YC01
        *a Approximately 0.3 m (0.984 ft.)

        Figure 4. for RHD:

        B004S04C01
        *a Approximately 0.3 m (0.984 ft.)

        Bring the electrical key transmitter sub-assembly approximately 0.3 m (0.984 ft.) from the front door outside handle assembly (for front passenger door) and perform a front passenger door entry lock and unlock operation check.

        Tech Tips

        Communication may not be possible if the electrical key transmitter sub-assembly is within 0.2 m (0.656 ft.) of the door handle.

      3. Figure 5. for LHD:

        B004VPAC01
        *a Approximately 0.3 m (0.984 ft.)

        Figure 6. for RHD:

        B004SFRC01
        *a Approximately 0.3 m (0.984 ft.)

        Bring the electrical key transmitter sub-assembly approximately 0.3 m (0.984 ft.) from the rear door outside handle assembly (for driver side) and perform a front passenger door entry lock and unlock operation check.

        Tech Tips

        Communication may not be possible if the electrical key transmitter sub-assembly is within 0.2 m (0.656 ft.) of the door handle.

      4. Figure 7. for LHD:

        B004SFRC01
        *a Approximately 0.3 m (0.984 ft.)

        Figure 8. for RHD:

        B004VPAC01
        *a Approximately 0.3 m (0.984 ft.)

        Bring the electrical key transmitter sub-assembly approximately 0.3 m (0.984 ft.) from the rear door outside handle assembly (for front passenger side) and perform a front passenger door entry lock and unlock operation check.

        Tech Tips

        Communication may not be possible if the electrical key transmitter sub-assembly is within 0.2 m (0.656 ft.) of the door handle.

      5. B004VH7C01
        *a Approximately 0.3 m (0.984 ft.)

        Bring the electrical key transmitter sub-assembly approximately 0.3 m (0.984 ft.) from the electrical key antenna (outside luggage compartment) and perform an entry luggage compartment door open function check.

        Tech Tips

        Communication may not be possible if the electrical key transmitter sub-assembly is within 0.2 m (0.656 ft.) of the rear bumper.

      Result
      Result Proceed to
      All operation checks fail A
      All operation checks are normal B
      Some operation checks are normal C

    B

    AFFECTED BY WAVE INTERFERENCE

    C

    GO TO OTHER PROBLEM Click here

    A

  4. CHECK KEY DIAGNOSTIC MODE


    1. Check the following antennas in key diagnostic mode.


      Body Electrical > Entry&Start > Utility
      Tester Display
      Communication Check(Key Diag Mode)

    2. Select either channel 1 or channel 2 and perform key diagnostic mode inspection for each channel.


      1. Figure 9. for LHD:

        B004S04C01
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        Figure 10. for RHD:

        B004R1YC01
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        Check the electrical key antenna (for Driver Door):

        When the electrical key transmitter sub-assembly is brought within 0.7 to 1 m (2.30 to 3.28 ft.) of the front door outside handle assembly (for Driver Door), check that the buzzer sounds.

        Tech Tips


        • Select either channel 1 or channel 2 and perform the key diagnostic mode inspection for each channel.

        • 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.

      2. Figure 11. for LHD:

        B004R1YC01
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        Figure 12. for RHD:

        B004S04C01
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        Check the electrical key antenna (for front passenger door):

        When the electrical key transmitter sub-assembly is brought within 0.7 to 1 m (2.30 to 3.28 ft.) of the front door outside handle assembly (for front passenger door), check that the buzzer sounds.

        Tech Tips


        • Select either channel 1 or channel 2 and perform the key diagnostic mode inspection for each channel.

        • 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.

      3. Figure 13. for LHD:

        B004VPAC01
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        Figure 14. for RHD:

        B004SFRC01
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        Check the electrical key antenna (for rear door (for driver side):

        When the electrical key transmitter sub-assembly is brought within 0.7 to 1 m (2.30 to 3.28 ft.) of the rear door outside handle assembly (for driver side), check that the buzzer sounds.

        Tech Tips


        • Select either channel 1 or channel 2 and perform the key diagnostic mode inspection for each channel.

        • 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.

      4. Figure 15. for LHD:

        B004SFRC01
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        Figure 16. for RHD:

        B004VPAC01
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        Check the electrical key antenna (for rear door (for front passenger side):

        When the electrical key transmitter sub-assembly is brought within 0.7 to 1 m (2.30 to 3.28 ft.) of the rear door outside handle assembly (for front passenger side), check that the buzzer sounds.

        Tech Tips


        • Select either channel 1 or channel 2 and perform the key diagnostic mode inspection for each channel.

        • 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.

      5. B004VH7C01
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        Check the electrical key antenna (outside luggage compartment):

        When the electrical key transmitter sub-assembly is brought within 0.7 to 1 m (2.30 to 3.28 ft.) of the electrical key antenna (outside luggage compartment), check that the buzzer sounds.

        Tech Tips


        • Select either channel 1 or channel 2 and perform the key diagnostic mode inspection for each channel.

        • 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
        Buzzer sounds.
      Result
      Result Proceed to
      All diagnostic mode inspections fail A
      Some diagnostic mode inspections fail (door) B
      Some diagnostic mode inspections fail (outside luggage compartment) C
      All diagnostic mode inspections are normal D

    B

    GO TO OTHER PROBLEM Click here

    C

    GO TO OTHER PROBLEM Click here

    D

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    A

  5. CHECK ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY


    1. Check if there is another electrical key transmitter sub-assembly available that is already registered to the vehicle.

      Result
      Result Proceed to
      Another registered electrical key transmitter sub-assembly is not available A
      Another registered electrical key transmitter sub-assembly is available B

    B

    GO TO STEP 7 Click here

    A

  6. ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY REGISTRATION (NEW ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY)


    1. Register a new electrical key transmitter sub-assembly.

      Tech Tips

      Refer to Service Bulletin.

      Result
      Proceed to
      NEXT

    NEXT

  7. CHECK ENTRY LOCK OPERATION


    1. Using another registered electrical key transmitter sub-assembly, check that the entry function operates normally.

      Click here

      Result
      Result Proceed to
      Entry function operates normally A
      Entry function does not operate normally B

    A

    END (ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY WAS DEFECTIVE)

    B

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)