New Key cannot be Registered [09/2015 - ]: Procedure
- CHECK FOR DTC
- Check for DTCs.
Body Electrical > Smart Access > Trouble Codes
NOTE:If a malfunction occurs, do not remove/install the vehicle battery before checking for DTCs.
OK
DTCs are not output.
Result
Proceed to OK NG
Result:
NG
GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - 12/2017] , or refer to DIAGNOSTIC TROUBLE CODE CHART [12/2017 - ]
Result:
OK
See step 2
- Check for DTCs.
- READ VALUE USING TECHSTREAM (NUMBER OF REGISTERED KEY CODES)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Smart Access / Data List.
- Read the Data List according to the display on the Techstream.
Body Electrical > Smart Access > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note Number of Registered Key Codes Number of registered electrical key transmitter sub-assemblies 0 to 8 Number of registered electrical key transmitter sub-assemblies Up to 7 electrical key transmitter sub-assemblies can be registered Body Electrical > Smart Access > Data List
Tester Display Number of Registered Key Codes HINT:
A new certification ECU (smart key ECU assembly) will be have no electrical key transmitter sub-assemblies registered.
OK
"0" is displayed on the Techstream display.
Result
Proceed to OK NG
Result:
NG
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
Result:
OK
See step 3
- READ VALUE USING TECHSTREAM (OPERATION HISTORY LIST)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Smart Access / Utility / Operation History / Certification ECU operation log of ID code registration.
Body Electrical > Smart Access > Utility
Tester Display Operation History - Check the freeze frame data.
Certification ECU operation log of ID code registration
Parameter Name Detection Condition Trouble Area Proceed to Failed Registration Mode - A registration request was sent while in another mode.
- During registration a different registration request was sent.
Certification ECU (smart key ECU assembly) A Vehicle ID not set A vehicle ID has not been registered in the certification ECU (smart key ECU assembly). Certification ECU (smart key ECU assembly) B Key Registration Max A registration request is sent when the maximum number of electrical key transmitter sub-assemblies has already been registered. - Certification ECU (smart key ECU assembly)
- ID code box (immobiliser code ECU)
C ID-BOX Error A registration request is sent even though whether the vehicle is provided with an ID code box is unknown. - Certification ECU (smart key ECU assembly)
- ID code box (immobiliser code ECU)
D Vehicle Speed Too High
(This applies only when registration fails even though the vehicle is stationary. Make sure that the vehicle is stationary first.)A registration request is sent with a vehicle speed of 5 km/h or more. Certification ECU (smart key ECU assembly) E No ECU Response The steering lock ECU (steering lock actuator or upper bracket assembly) was not connected. - Certification ECU (smart key ECU assembly)
- ID code box (immobiliser code ECU)
- Steering lock ECU (steering lock actuator or upper bracket assembly)
F L Code Verification Error The L codes registered in the ID code box (immobiliser code ECU) and steering lock ECU (steering lock actuator or upper bracket assembly) did not match. - Certification ECU (smart key ECU assembly)
- ID code box (immobiliser code ECU)
- Steering lock ECU (steering lock actuator or upper bracket assembly)
G L Code OK S Code NG The L code verification was successful but the S code stored in the ID code box (immobiliser code ECU) and certification ECU (smart key ECU assembly) did not match. - Certification ECU (smart key ECU assembly)
- ID code box (immobiliser code ECU)
C Key Verification: Max Number The number of electrical key transmitter sub-assemblies registered in the ID code box (immobiliser code ECU) was more than 7. ID code box (immobiliser code ECU) H Key Verification: Amp Abnormal Malfunction of the immobiliser amplifier, such as a short to ground. - Certification ECU (smart key ECU assembly)
- Engine switch
I Key Verification: Read Error Although a registered electrical key transmitter sub-assembly was held near the engine switch, immobiliser system certification was not successful. - Certification ECU (smart key ECU assembly)
- Electrical key transmitter sub-assembly
J Unverified Key Although all of the registered electrical key transmitter sub-assemblies had been held near the engine switch, electrical key transmitter sub-assembly registration was not possible due to immobiliser system certification not being successful. - Certification ECU (smart key ECU assembly)
- Electrical key transmitter sub-assembly
K Transponder Key Amp Error Malfunction of the immobiliser amplifier, such as a short to ground. - Certification ECU (smart key ECU assembly)
- Engine switch
I New Key Registration Error Although an unregistered electrical key transmitter sub-assembly was held near the engine switch, electrical key transmitter sub-assembly registration is not possible due to immobiliser system certification not being successful. - Certification ECU (smart key ECU assembly)
- Electrical key transmitter sub-assembly
L New Key Vehicle ID Error Although an unregistered electrical key transmitter sub-assembly was held near the engine switch, electrical key transmitter sub-assembly registration is not possible due to the vehicle ID not being stored successfully. - Certification ECU (smart key ECU assembly)
- Electrical key transmitter sub-assembly
L New Key Registration Failed After successful immobiliser system certification, time expired before smart recognition completion confirmation or a registration cancellation request was sent. - Certification ECU (smart key ECU assembly)
- Electrical key transmitter sub-assembly
L New Key Already Registered Although a registered electrical key transmitter sub-assembly was held near the engine switch, time expired or a registration cancellation request was sent. Certification ECU (smart key ECU assembly) M New Key ID Code Error Electrical key transmitter sub-assembly registration was not possible due to the certification ECU (smart key ECU assembly) not being able to store the information of the electrical key transmitter sub-assembly to EEPROM correctly. Certification ECU (smart key ECU assembly) B No Response Registering L/S Code The certification ECU (smart key ECU assembly), ID code box (immobiliser code ECU) or steering lock ECU (steering lock actuator or upper bracket assembly) was not connected. - Certification ECU (smart key ECU assembly)
- ID code box (immobiliser code ECU)
- Steering lock ECU (steering lock actuator or upper bracket assembly)
F S Code Verification NG The S code could not be stored by the certification ECU (smart key ECU assembly) or ID code box (immobiliser code ECU). - Certification ECU (smart key ECU assembly)
- ID code box (immobiliser code ECU)
C L Code Verification NG The L code could not be stored by the steering lock ECU (steering lock actuator or upper bracket assembly) or ID code box (immobiliser code ECU). - Certification ECU (smart key ECU assembly)
- ID code box (immobiliser code ECU)
- Steering lock ECU (steering lock actuator or upper bracket assembly)
G ECU ID Verification Error The code received from the ID code box (immobiliser code ECU) when the S code is registered does not match the code of the certification ECU (smart key ECU assembly). - Certification ECU (smart key ECU assembly)
- ID code box (immobiliser code ECU)
C Key Number Write Error The certification ECU (smart key ECU assembly) could not store the number of electrical key transmitter sub-assemblies to EEPROM. Certification ECU (smart key ECU assembly) B ID Code BOX Write Error The certification ECU (smart key ECU assembly) could not store the information of whether the ID code box was provided in the vehicle to EEPROM. Certification ECU (smart key ECU assembly) B
Result:
B
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
Result:
C
See step 5
Result:
D
CHECK FOR DTC B2789. Refer to DTC B2789: No Response from ID BOX [09/2015 - ]
Result:
E
See step 6
Result:
F
CHECK FOR DTC B2785. Refer to DTC B2785: Communication Malfunction between ECUs Connected by LIN [09/2015 - ]
Result:
G
See step 7
Result:
H
REPLACE ID CODE BOX (IMMOBILISER CODE ECU). Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
Result:
I
CHECK FOR DTC B278A or B2784. Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - ]
Result:
J
See step 9
Result:
K
See step 13
Result:
L
See step 15
Result:
M
NEW KEY REGISTRATION FAILED, CHECK THE KEY
- Check if a registered electrical key transmitter sub-assembly was held near the engine switch instead of an unregistered electrical key transmitter sub-assembly by mistake.
- Perform registration again using an unregistered electrical key transmitter sub-assembly. If the same problem occurs again, replace the certification ECU (smart key ECU assembly).
Result:
A
See step 4
- CHECK REGISTRATION MODE
- Make sure that another mode or different registration mode is not selected.
OK
Another mode or a different registration mode is not selected.
HINT:
If any mode has been selected, it is necessary to cancel the mode.
Result
Proceed to OK NG
Result:
OK
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
Result:
NG
PERFORM REREGISTRATION. Refer to REGISTRATION [09/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
- Make sure that another mode or different registration mode is not selected.
- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
- Temporarily replace the certification ECU (smart key ECU assembly) with a new one and register the electrical key transmitter sub-assemblies.
HINT:
- For replacement.
Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
- For registration.
Refer to REGISTRATION [09/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
OK
All of the electrical key transmitter sub-assemblies could be registered to the new certification ECU (smart key ECU assembly) successfully.
Result
Proceed to OK NG - For replacement.
Result:
OK
END (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) WAS DEFECTIVE)
Result:
NG
REPLACE ID CODE BOX (IMMOBILISER CODE ECU). Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
- Temporarily replace the certification ECU (smart key ECU assembly) with a new one and register the electrical key transmitter sub-assemblies.
- READ VALUE USING TECHSTREAM (VEHICLE SPEED METER)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Combination Meter / Data List.
- Read the Data List according to the display on the Techstream.
Body Electrical > Combination Meter > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note Vehicle Speed Meter Vehicle speed Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph) Almost the same as actual vehicle speed - Body Electrical > Combination Meter > Data List
Tester Display Vehicle Speed Meter OK
"0 km/h (0 mph)" is displayed when the vehicle is stationary.
Result
Proceed to OK NG
Result:
OK
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
Result:
NG
GO TO METER / GAUGE SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ]
- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
- Temporarily replace the certification ECU (smart key ECU assembly) with a new one and register the electrical key transmitter sub-assemblies.
HINT:
- For replacement.
Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
- For registration.
Refer to REGISTRATION [09/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
OK
All of the electrical key transmitter sub-assemblies could be registered to the new certification ECU (smart key ECU assembly) successfully.
Result
Proceed to OK NG - For replacement.
Result:
OK
END (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) WAS DEFECTIVE)
Result:
NG
See step 8
- Temporarily replace the certification ECU (smart key ECU assembly) with a new one and register the electrical key transmitter sub-assemblies.
- REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY)
- Temporarily replace the steering lock ECU (steering lock actuator or upper bracket assembly) with a new one and register the electrical key transmitter sub-assemblies.
HINT:
- For replacement.
Refer to DISASSEMBLY [09/2015 - ]
- For registration.
Refer to REGISTRATION [09/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
OK
All of the electrical key transmitter sub-assemblies could be registered to the new steering lock ECU (steering lock actuator or upper bracket assembly) successfully.
Result
Proceed to OK NG - For replacement.
Result:
OK
END (STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) WAS DEFECTIVE)
Result:
NG
REPLACE ID CODE BOX (IMMOBILISER CODE ECU). Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
- Temporarily replace the steering lock ECU (steering lock actuator or upper bracket assembly) with a new one and register the electrical key transmitter sub-assemblies.
- CHECK ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY
- Make sure that a registered electrical key transmitter sub-assembly is being used.
OK
A registered electrical key transmitter sub-assembly is being used.
Result
Proceed to OK NG
Result:
NG
USE A REGISTERED ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY AND PERFORM REREGISTRATION. Refer to REGISTRATION [09/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
Result:
OK
See step 10
- Make sure that a registered electrical key transmitter sub-assembly is being used.
- CHECK NUMBER OF REGISTERED ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLIES
- Check the number of registered electrical key transmitter sub-assemblies.
Result
Result Proceed to Only one electrical key transmitter sub-assembly is registered A 2 or more electrical key transmitter sub-assemblies are registered B
Result:
A
See step 12
Result:
B
See step 11
- Check the number of registered electrical key transmitter sub-assemblies.
- REREGISTRATION
- Reregister the electrical key transmitter sub-assemblies using different order combinations.
Refer to REGISTRATION [09/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
HINT:
If there are 2 or more electrical key transmitter sub-assemblies, make sure that the number of order combinations is the same as the number of electrical key transmitter sub-assemblies so that each transmitter can be checked first.
EXAMPLE: WHEN THERE ARE 3 REGISTERED ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLIES (A, B AND C).Combination Order* 1 A → B → C 2 B → C→ A 3 C → A → B - *: Except for the first electrical key transmitter sub-assembly, the remaining electrical key transmitter sub-assemblies can be checked in any order.
OK
"Key Verification: Read Error" is not displayed.
Result
Proceed to OK NG
Result:
OK
REPLACE ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY (ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY HELD WHEN "Key Verification: Read Error" WAS DETECTED WAS DEFECTIVE)
Result:
NG
See step 12
- Reregister the electrical key transmitter sub-assemblies using different order combinations.
- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
- Temporarily replace the certification ECU (smart key ECU assembly) with a new one and register the electrical key transmitter sub-assemblies.
HINT:
- For replacement.
Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
- For registration.
Refer to REGISTRATION [09/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
OK
All of the electrical key transmitter sub-assemblies could be registered to the new certification ECU (smart key ECU assembly) successfully.
Result
Proceed to OK NG - For replacement.
Result:
OK
END (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) WAS DEFECTIVE)
Result:
NG
REPLACE ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY
- Temporarily replace the certification ECU (smart key ECU assembly) with a new one and register the electrical key transmitter sub-assemblies.
- CHECK FOR ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY
- Check that all registered electrical key transmitter sub-assemblies are available.
OK
No registered electrical key transmitter sub-assemblies are missing.
Result
Proceed to OK NG
Result:
NG
ERASE ALL REGISTERED ELECTRICAL KEY TRANSMITTERS EXCEPT ONE, THEN REGISTER THE REMAINING ELECTRICAL KEY TRANSMITTERS. Refer to REGISTRATION [09/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
Result:
OK
See step 14
- Check that all registered electrical key transmitter sub-assemblies are available.
- REREGISTRATION
- Register the electrical key transmitter sub-assemblies using different order combinations.
Refer to REGISTRATION [09/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
HINT:
If there are 2 or more electrical key transmitter sub-assemblies, make sure that the number of order combinations is the same as the number of electrical key transmitter sub-assemblies so that each transmitter can be checked first.
EXAMPLE: WHEN THERE ARE 3 REGISTERED ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLIES (A, B AND C).Combination Order* 1 A → B → C 2 B → C→ A 3 C → A → B - *: Except for the first electrical key transmitter sub-assembly, the remaining electrical key transmitter sub-assemblies can be checked in any order.
OK
"Key Verification: Read Error" is not displayed.
Result
Proceed to OK NG
Result:
OK
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
Result:
NG
REPLACE ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY (ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY HELD WHEN "Key Verification: Read Error" WAS DETECTED WAS DEFECTIVE)
- Register the electrical key transmitter sub-assemblies using different order combinations.
- REREGISTRATION
- Using an unregistered electrical key transmitter sub-assembly, register the ID.
Refer to REGISTRATION [09/2015 - 08/2019] , or refer to REGISTRATION [08/2019 - 07/2021] , or refer to REGISTRATION [07/2021 - ]
OK
The key ID can be registered.
Result
Proceed to OK NG
Result:
OK
END (ELECTRICAL KEY TRANSMITTER WAS DEFECTIVE)
Result:
NG
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019] , or refer to REMOVAL [08/2019 - ]
- Using an unregistered electrical key transmitter sub-assembly, register the ID.