SMART ENTRY AND START SYSTEM (for Entry Function) All Door Entry Unlock Functions except Driver Door do not Operate

DESCRIPTION

When the entry unlock function operates only for the driver door, one of the following may be the cause: 1) the customize setting has been changed, 2) a malfunction in the power door lock control system, 3) a malfunction in the certification ECU (smart key ECU assembly) or main body ECU (multiplex network body ECU).

INSPECTION PROCEDURE

Note


  • The smart entry and start system (for Entry Function) uses a multiplex communication system (LIN communication system) and the CAN communication system. Inspect the communication function 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. CHECK CUSTOMIZE INFORMATION (DOOR UNLOCK MODE)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Customize Setting / Entry & Start.

    5. Check the customize setting.

      Entry & Start
      Display Default Content Setting Relevant ECU
      Door Unlock Mode2

      Driver*1

      All*2

      		 Function that chooses the doors to be operated by entry unlock operation. All or Driver Certification ECU (smart key ECU assembly)

      • *1: w/ Wireless Buzzer Answer Back Function

      • *2: w/o Wireless Buzzer Answer Back Function

      Result
      Result Proceed to
      "Driver" is selected. A
      "All" is selected. B

    B

    CHECK POWER DOOR LOCK CONTROL SYSTEM Click here

    A

  2. CHANGE CUSTOMIZE SETTING


    1. Select "All" for the customize setting.

      Result
      Result Proceed to
      "All" can be selected. A
      "All" cannot be selected. B

    B

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    A

  3. CHECK SMART ENTRY AND START SYSTEM (ENTRY UNLOCK OPERATION)


    1. Check that the entry unlock functions operate normally Click here.

      OK
      Entry unlock functions operate normally.

    NG

    CHECK POWER DOOR LOCK CONTROL SYSTEM Click here

    OK

    END (DIFFERENT CUSTOMIZE SETTING ITEM WAS SELECTED)

  4. CHECK POWER DOOR LOCK CONTROL SYSTEM


    1. Check if the power door lock control system operates properly for doors other than the driver door Click here.

      Tech Tips

      Make sure to check doors one by one.


    NG

    GO TO POWER DOOR LOCK CONTROL SYSTEM Click here

    OK

  5. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


    1. Temporarily replace the certification ECU (smart key ECU assembly) with a new one.

      Tech Tips

      Refer to the Service Bulletin.


    NEXT

  6. CHECK SMART ENTRY AND START SYSTEM (ENTRY UNLOCK OPERATION)


    1. Check that the entry unlock functions operate normally Click here.

      OK
      Entry unlock functions operate normally.

    NG

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    OK

    END (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) WAS DEFECTIVE)