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

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DTC Code DTC Name
  All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate
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DESCRIPTION

When the entry operation and wireless operation of the door lock functions do not operate, a malfunction or wave interference may be occurring in either of the following: 1) the signal communication line between the door control receiver and certification ECU (smart key ECU assembly) (the line used for entry and wireless operations); or 2) the electrical key transmitter sub-assembly. If the entry lock and wireless lock operations cannot be performed, there may be electrical key transmitter sub-assembly malfunctions, wave interference or problems in the communication which is used for the entry and wireless function between the door control receiver and certification ECU (smart key ECU assembly).

A0008FCE17
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WIRING DIAGRAM

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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 power 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).

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

  • Recognition code registration is necessary when replacing the certification ECU (smart key ECU assembly) or main body ECU (multiplex network body ECU).

  • 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".

  • The door control receiver has a constant voltage (5 V) supply circuit connected to terminal "+5".

  • When replacing the door control receiver, read the transmitter IDs (tire pressure warning system) stored in the old ECU using the GTS and write them down before removal (Click here).*

  • It is necessary to perform initialization (See page ) after registration (Click here) of the transmitter IDs into the door control receiver if the door control receiver has been replaced.*

*: w/ Tire Pressure Warning System

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PROCEDURE


  1. Click here

    INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the voltage of the auxiliary battery.

      Standard voltage
      11 to 14 V
      Tip:

      It may be possible to tell whether the auxiliary battery is discharged by operating the horn.


      • If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.


  2. Click here

    CHECK FOR DTC


    1. Open the driver door using the mechanical key built into the electrical key transmitter sub-assembly.

    2. Connect the GTS and check for DTCs (Click here).

      Tip:

      When using the GTS with the vehicle power 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.

      OK
      DTC is not output.

  3. Click here

    CHECK POWER DOOR LOCK CONTROL SYSTEM


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

      OK
      Door locks operate normally.

  4. Click here

    CHECK KEY DIAGNOSTIC MODE


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

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

      Tip:

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


      1. A000806E01

        Check the electrical key antenna (for driver door):

        Table 1. Text in Illustration
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        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 wireless door lock buzzer sounds.

      2. A0004HUE01

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

        Table 2. Text in Illustration
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        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 wireless door lock buzzer sounds.

      3. A000427E01

        Check the electrical key antenna (for rear door LH):

        Table 3. Text in Illustration
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        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 rear door LH), check that the wireless door lock buzzer sounds.

      4. A000812E01

        Check the electrical key antenna (for rear door RH):

        Table 4. Text in Illustration
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        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 rear door RH), check that the wireless door lock buzzer sounds.

      5. A0007JLE01

        Check the NO. 1 indoor electrical key antenna assembly (front floor):

        Table 5. Text in Illustration
        *a Inspection Point

        When the electrical key transmitter sub-assembly is at the inspection point, check that the wireless door lock buzzer sounds.

      6. A0007TXE01

        Check the NO. 1 indoor electrical key antenna assembly (rear floor):

        Table 6. Text in Illustration
        *a Inspection Point

        When the electrical key transmitter sub-assembly is at the inspection point, check that the wireless door lock buzzer sounds.

      7. A0005XWE01

        Check the electrical key antenna (outside luggage):

        Table 7. Text in Illustration
        *a 0.7 to 1 m (2.30 to 3.28 ft.)

        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), check that the wireless door lock buzzer sounds.

        OK
        Wireless door lock buzzer sounds.
        Result
        Result Proceed to
        Diagnostic mode inspections fail for both channels A
        Diagnostic mode inspections succeed for both channels B
        Diagnostic mode inspection succeeds for only one of the channels C

  5. Click here

    CHECK ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY


    1. Check if there are any other registered electrical key transmitter sub-assemblies.

      Result
      Result Proceed to
      There are no other registered electrical key transmitter sub-assemblies A
      There is another registered electrical key transmitter sub-assemblies B

  6. Click here

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


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

      Tip:

      Refer to the Service Bulletin.


  7. Click here

    CHECK ENTRY DOOR LOCK OPERATION


    1. Using another registered electrical key transmitter sub-assembly, check if an entry lock/unlock operation can be performed twice in succession.

      OK
      Entry lock/unlock operate normally.

  8. Click here

    CHECK TRANSMITTER BATTERY


    1. Check the transmitter battery level of the electrical key transmitter sub-assembly that was checked first.


      1. Press and hold the lock switch of the transmitter for 5 seconds and check the number of times that the transmitter LED illuminates.

        Result
        Result Proceed to
        Transmitter LED does not illuminate when switch is pressed and held A
        Transmitter LED illuminates 3 times or more when switch is pressed and held B
        Transmitter LED illuminates once or twice but not a third time C
        Tip:
        • The electrical key transmitter sub-assembly sends voltage information to the certification ECU (smart key ECU assembly) when it is being used. The certification ECU (smart key ECU assembly) displays "Yes" for the "Key Low Battery" item of the Data List when this voltage information indicates 2.2 V or less (Click here).

        • Even if the transmitter battery is depleted, it is still possible to start the hybrid system by holding the electrical key transmitter sub-assembly against the power switch, depressing the brake pedal and pressing the power switch.


    • AClick here
    • B

      REPLACE ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY

    • C

      REPLACE TRANSMITTER BATTERY (Click here)

  9. Click here

    INSPECT TRANSMITTER BATTERY (VOLTAGE)


    1. Inspect the transmitter battery


      1. A0005HLE01

        Remove the transmitter battery from the electrical key transmitter sub-assembly that does not operate (Click here).

      2. Attach a lead wire (0.60 mm (0.0236 in.) in diameter or less including wire sheath) with tape or equivalent to the negative terminal.

        Table 8. Text in Illustration
        *1 Lead Wire
        Note:

        Do not wrap the lead wire around a terminal, wedge it between terminals, or solder it. The terminal may be deformed or damaged, and the transmitter battery will not be able to be installed correctly.

      3. Carefully pull the lead wire out from the position shown in the illustration and install the previously removed transmitter battery.

      4. A0006VRE02

        Measure the voltage of the transmitter battery.

        Tip:
        • When measuring the transmitter battery voltage, bring the electrical key transmitter sub-assembly within the lock entry operating range while operating the lock sensor of a door handle to perform the measurement.

        • Perform the measurement when the key is at room temperature.

        • The key sends voltage information to the certification ECU (smart key ECU assembly) when it is transmitting. When this voltage is 2.2 V or less the Data List item "Key Low Battery" displays "Yes". (Click here)

        Table 9. Text in Illustration
        *1 GND
        Standard Voltage
        Tester Connection Condition Specified Condition
        Transmitter battery positive (+) - Transmitter battery negative (-) Power switch off, all doors closed and lock sensor touched 2.3 to 3.2 V

    • OK

      REPLACE ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY

    • NG

      REPLACE TRANSMITTER BATTERY (Click here)

  10. Click here

    B CODE REGISTRATION


    1. Perform registration for the B code.

      Note:

      In order to register the B code, confirm the smart entry and start system (for Entry Function) precaution (Click here) and refer to the Service Bulletin.


  11. Click here

    CHECK ENTRY DOOR LOCK OPERATION


    1. Check the entry lock/unlock operation can be performed twice in succession (Click here).

      OK
      Entry lock/unlock operate normally.

  12. Click here

    READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the power 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.

      Table 10. Entry&Start
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      B Code Difference B code mismatch / No or Yes

      No: Communication normal

      Yes: Communication malfunction

      -
      B Code B code registration status / No Regd or Regd

      No Regd: B code not registered correctly

      Regd: B code registered correctly

      -
      Table 11. Result
      Result Proceed to
      "No" and "No Regd" are displayed on the GTS screen A
      "Yes" is displayed on the GTS screen B
      "Yes" and "No Regd" are displayed on the GTS screen C

    • AClick here
    • B

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

    • C

      REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

  13. Click here

    CHECK WAVE ENVIRONMENT


    1. Bring the electrical key transmitter sub-assembly near the door control receiver and perform a wireless and entry function operation check.

      Tip:
      • When the electrical key transmitter sub-assembly is brought near the door control receiver, 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 electric 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.

      OK
      Wireless and entry functions operate normally.
      Result
      Result Proceed to
      OK A
      NG (Door Control Receiver with 12 Pin Connector) B
      NG (Door Control Receiver with 5 Pin Connector) C

  14. Click here

    CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


    1. A0004USE01

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

      Table 12. Text in Illustration
      *a

      Component with harness connected

      (Power Management Control ECU)

      - -
    2. Connect the GTS to the DLC3.

    3. Turn the power switch on (IG).

    4. Turn the GTS on.

    5. Enter the following menus: Body Electrical / Power Source Control / Data List.

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

      Table 13. Power Source Control
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Power Supply Condition Power supply state/IG2 ON, ST ON, All OFF, IG1 ON or ACC ON

      ALL OFF: Power switch off (ACC and IG)

      ACC ON: Power switch on (ACC) (ACC relay on)

      IG1 ON: Power switch on (IG) (IG1 relay on)

      IG2 ON: Power switch on (IG) (IG2 relay on)

      ST ON: Sending hybrid system start request signal

      Since the IG1 and IG2 relays turn on at approximately the same time, IG1 ON may not be displayed (the IG1 relay turns on for a very short time).
    7. Measure the voltage while checking the Data List on the GTS.

      Standard Voltage
      Tester Connection Condition Specified Condition
      H2-2 (IG1D) - Body ground Power switch off Below 1 V
      Power switch on (ACC) Below 1 V
      Power switch on (IG) 9 V or higher
      A33-2 (IG2D) - Body ground Power switch off Below 1 V
      Power switch on (ACC) Below 1 V
      Power switch on (IG) 9 V or higher
      H2-1 (ACCD) - Body ground Power switch off Below 1 V
      Power switch on (IG) 9 V or higher
      Power switch on (ACC) 9 V or higher
      Tip:

      Using the GTS, measure the voltage while confirming the power source mode on the Data List.


  15. Click here

    READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the power 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.

      Table 14. Entry&Start
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Ignition Switch Power switch on (IG) / ON or OFF

      ON: Power switch on (IG)

      OFF: Power switch off


      • Displays whether the IG power source signal input is on or off.

      • Use this Data List item to help determine the cause when all smart entry and start system/wireless functions do not operate.

      • If the electrical key transmitter sub-assembly is brought inside the vehicle and the power switch is pressed twice without depressing the brake pedal, the power switch will turn on (IG). At this time, the key ID code transmitted from the electrical key transmitter sub-assembly and the key ID code stored in the certification ECU (smart key ECU assembly) are compared, and the S code stored in the certification ECU (smart key ECU assembly) and the code stored in the ID code box (immobiliser code ECU) are compared, and if all codes match, the power source mode is considered on (IG) at that time.


  16. Click here

    READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main Body / Data List.

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

      Table 15. Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      ACC SW Power switch status / ON or OFF

      ON: Power switch on (ACC)

      OFF: Power switch off

      -
      IG SW Power switch status / ON or OFF

      ON: Power switch to on (IG)

      OFF: Power switch off

      -

  17. Click here

    CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - AUXILIARY BATTERY AND BODY GROUND)


    1. A00059IE01

      Disconnect the H57 and H58 certification ECU (smart key ECU assembly) connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H57-1 (E) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      H58-4 (CUTB) - Body ground Power switch off 11 to 14 V
      H58-5 (+B) - Body ground Power switch off 11 to 14 V
      Table 16. Text in Illustration
      *a

      Front view of wire harness connector

      (to Certification ECU (Smart Key ECU Assembly))

      - -

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  18. Click here

    CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - DOOR CONTROL RECEIVER)


    1. Door Control Receiver with 5 Pin Connector:


      1. Disconnect the Q2 certification ECU (smart key ECU assembly) connector.

      2. Disconnect the P30 door control receiver connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Q2-15 (RCO) - P30-4 (+5) Always Below 1 Ω
        Q2-6 (RDAM) - P30-5 (DATA) Always Below 1 Ω
        Q2-7 (CSEL) - P30-2 (CSEL) Always Below 1 Ω
        Q2-15 (RCO) or P30-4 (+5) - Body ground Always 10 kΩ or higher
        Q2-6 (RDAM) or P30-5 (DATA) - Body ground Always 10 kΩ or higher
        Q2-7 (CSEL) or P30-2 (CSEL) - Body ground Always 10 kΩ or higher
    2. Door Control Receiver with 12 Pin Connector:


      1. Disconnect the Q2 certification ECU (smart key ECU assembly) connector.

      2. Disconnect the P29 door control receiver connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Q2-15 (RCO) - P29-10 (+5) Always Below 1 Ω
        Q2-6 (RDAM) - P29-9 (DATA) Always Below 1 Ω
        Q2-7 (CSEL) - P29-6 (CSEL) Always Below 1 Ω
        Q2-15 (RCO) or P29-10 (+5) - Body ground Always 10 kΩ or higher
        Q2-6 (RDAM) or P29-9 (DATA) - Body ground Always 10 kΩ or higher
        Q2-7 (CSEL) or P29-6 (CSEL) - Body ground Always 10 kΩ or higher

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  19. Click here

    CHECK DOOR CONTROL RECEIVER


    1. A000483E03

      Connect the P30*1 or P29*2 door control receiver connector.

    2. Connect the Q2 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
      P30-1 (GND)*1 - Body ground Always Below 1 Ω
      P29-12 (GND)*2 - Body ground
      Table 17. Text in Illustration
      *A Door Control Receiver with 5 Pin Connector
      *B Door Control Receiver with 12 Pin Connector
      *a

      Component with harness connected

      (Door Control Receiver)


      • *1: Door Control Receiver with 5 Pin Connector

      • *2: Door Control Receiver with 12 Pin Connector

      Result
      Result Proceed to
      OK A
      NG (Door Control Receiver with 5 Pin Connector) B
      NG (Door Control Receiver with 5 Pin Connector) C
      NG (Door Control Receiver with 12 Pin Connector) D

    • AClick here
    • B

      REPLACE DOOR CONTROL RECEIVER (for Quarter) (Click here)

    • C

      REPLACE DOOR CONTROL RECEIVER (for Rear) (Click here)

    • D

      REPLACE DOOR CONTROL AND TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY (Click here)

  20. Click here

    CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


    1. Door Control Receiver with 5 Pin Connector:


      1. Connect the Q2 certification ECU (smart key ECU assembly) connector.

      2. Connect the P30 door control receiver connector.

      3. A0008CWE03

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

        Standard Voltage
        Tester Connection Condition Specified Condition
        P30-4 (+5) - P30-1 (GND)

        Procedure:


        1. Power switch off

        2. Electrical key transmitter sub-assembly switch not pressed

        Below 1 V

        Procedure:


        1. Power switch off

        2. Electrical key transmitter sub-assembly switch pressed

        4.5 to 5.5 V
        Table 18. Text in Illustration
        *a

        Component with harness connected

        (Door Control Receiver)

    2. Door Control Receiver with 12 Pin Connector:


      1. Connect the Q2 certification ECU (smart key ECU assembly) connector.

      2. Connect the P29 door control receiver connector.

      3. A0009A3E03

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

        Standard Voltage
        Tester Connection Condition Specified Condition
        P29-10 (+5) - P29-12 (GND)

        Procedure:


        1. Power switch off

        2. Electrical key transmitter sub-assembly switch not pressed

        Below 1 V

        Procedure:


        1. Power switch off

        2. Electrical key transmitter sub-assembly switch pressed

        4.5 to 5.5 V
        P29-6 (CSEL) - P29-12 (GND) Power switch off and all doors closed Below 1 V → 4.4 to 6.5 V → Below 1 V
        P29-1 (IG) - P29-12 (GND) Power switch on (IG) 10 to 16 V
        Table 19. Text in Illustration
        *a

        Component with harness connected

        (Door Control Receiver)


    • OKClick here
    • NG

      REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

  21. Click here

    CHECK DOOR CONTROL RECEIVER


    1. Door Control Receiver with 5 Pin Connector:


      1. Connect the Q2 certification ECU (smart key ECU assembly) connector.

      2. Connect the P30 door control receiver connector.

      3. A0009OLE01

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

        Standard Voltage
        Tester Connection Condition Specified Condition
        P30-5 (DATA) - P30-1 (GND)

        Procedure:


        1. All doors closed

        2. All doors locked

        3. Electrical key transmitter sub-assembly switch pressed

        Below 1 V → 11 to 14 V → Below 1 V
        P30-2 (CSEL) - P30-1 (GND)

        Procedure:


        1. Power switch off

        2. All doors closed

        Below 1 V → 4.4 to 6.5 V → Below 1 V
        Table 20. Text in Illustration
        *a

        Component with harness connected

        (Door Control Receiver)

    2. Door Control Receiver with 12 Pin Connector:


      1. Connect the Q2 certification ECU (smart key ECU assembly) connector.

      2. Connect the P29 door control receiver connector.

      3. A0006ARE03

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

        Standard Voltage
        Tester Connection Condition Specified Condition
        P29-9 (DATA) - P29-12 (GND)

        Procedure:


        1. All doors closed

        2. All doors locked

        3. Electrical key transmitter sub-assembly switch pressed

        Below 1 V → 10 to 16 V → Below 1 V
        P29-6 (CSEL) - P29-12 (GND)

        Procedure:


        1. Power switch off

        2. All doors closed

        Below 1 V → 4.5 to 6 V → Below 1 V
        Table 21. Text in Illustration
        *a

        Component with harness connected

        (Door Control Receiver)

        Result
        Result Proceed to
        OK A
        NG (Door Control Receiver with 5 Pin Connector) B
        NG (Door Control Receiver with 5 Pin Connector) C
        NG (Door Control Receiver with 12 Pin Connector) D

    • AClick here
    • B

      REPLACE DOOR CONTROL RECEIVER (for Quarter) (Click here)

    • C

      REPLACE DOOR CONTROL RECEIVER (for Rear) (Click here)

    • D

      REPLACE DOOR CONTROL AND TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY (Click here)

  22. Click here

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


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

      Tip:

      Refer to the Service Bulletin.


  23. Click here

    CHECK WIRELESS DOOR LOCK CONTROL SYSTEM


    1. Check that the wireless door lock functions operate normally (Click here).

      OK
      Wireless door lock functions operate normally.

    • OK

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

    • NG

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

  24. Click here

    CHECK WAVE ENVIRONMENT


    1. Bring the electrical key transmitter sub-assembly that was checked first near the door control receiver and select the failed channel (the channel in which the buzzer did not sound) to recheck the key diagnostic mode (Click here).

      Tip:
      • When the electrical key transmitter sub-assembly is brought near the door control receiver, 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 electric 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.

      OK
      Wireless door lock buzzer sounds.

  25. Click here

    CHECK ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY


    1. Check if there are any other registered electrical key transmitter sub-assemblies.

      Result
      Result Proceed to
      There are no other registered electrical key transmitter sub-assemblies A
      There is another registered electrical key transmitter sub-assemblies B

  26. Click here

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


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

      Tip:

      Refer to the Service Bulletin.


  27. Click here

    CHECK KEY DIAGNOSTIC MODE


    1. Bring another registered electrical key transmitter sub-assembly near the door control receiver and select the failed channel (the channel in which the buzzer did not sound) to recheck the key diagnostic mode (Click here).

      OK
      Wireless door lock buzzer sounds.

    • OK

      END (ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY THAT WAS INSPECTED FIRST WAS DEFECTIVE)

    • NGClick here
  28. Click here

    CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - DOOR CONTROL RECEIVER)


    1. Disconnect the Q2 certification ECU (smart key ECU assembly) connector.

    2. Disconnect the P29 door control receiver connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Q2-7 (CSEL) - P29-6 (CSEL) Always Below 1 Ω
      Q2-7 (CSEL) or P29-6 (CSEL) - Body ground Always 10 kΩ or higher

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  29. Click here

    CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


    1. Connect the Q2 certification ECU (smart key ECU assembly) connector.

    2. Connect the P29 door control receiver connector.

    3. A0008J1E03

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      P29-6 (CSEL) - P29-12 (GND) Power switch off and all doors closed Below 1 V → 4.5 to 6 V → Below 1 V
      Table 22. Text in Illustration
      *a

      Component with harness connected

      (Door Control Receiver)


    • OKClick here
    • NG

      REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

  30. Click here

    CHECK DOOR CONTROL RECEIVER


    1. Connect the Q2 certification ECU (smart key ECU assembly) connector.

    2. Connect the P29 door control receiver connector.

    3. A0005M7E03

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

      Tip:

      Inspection should be performed while the electrical key antenna check in key diagnostic mode is being performed on the failed channel (the channel in which the buzzer did not sound).

      Standard Voltage
      Tester Connection Condition Specified Condition
      P29-9 (DATA) - P29-12 (GND)

      Procedure:


      1. All doors closed

      2. All doors locked

      3. Electrical key transmitter sub-assembly switch pressed*

      Below 1 V → 10 to 16 V → Below 1 V
      Table 23. Text in Illustration
      *a

      Component with harness connected

      (Door Control Receiver)


      • *: While the electrical key antennas are being inspected in key diagnostic mode (Click here).


    • OKClick here
    • NG

      REPLACE DOOR CONTROL AND TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY (Click here)

  31. Click here

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


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

      Tip:

      Refer to the Service Bulletin.


  32. Click here

    CHECK WIRELESS DOOR LOCK CONTROL SYSTEM


    1. Check that the wireless door lock functions operate normally (Click here).

      OK
      Wireless door lock functions operate normally.

    • OK

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

    • NG

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