Additional Key cannot be Registered (07/2015 -): Procedure

1. Check for DTCs.
   NOTE:

   If a malfunction occurs, do not remove/install the vehicle battery before checking for DTCs.

   OK

   DTCs are not output.

Result:  NG

NG 

GO TO DIAGNOSTIC TROUBLE CODE CHART 

Result:  OK

OK 

See step  2

1. Check that the steering unlocks.

   OK

   The steering unlocks.

   HINT: 

   Check that the communication between the steering lock ECU (steering lock actuator assembly) and certification ECU (smart key ECU assembly) is normal.

Result:  NG

NG 

GO TO STEERING LOCK SYSTEM 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING (07/2015 -) )

Result:  OK

OK 

See step  3

1. Using other unregistered electrical key transmitter sub-assemblies, perform the additional registration procedure.

   OK

   Additional registration can be completed.

Result:  OK

OK 

REPLACE ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY 

(Refer to REGISTRATION (07/2015 -) )

Result:  NG

NG 

See step  4

1. Temporarily replace the certification ECU (smart key ECU assembly) with a new one and register the electrical key transmitter sub-assemblies to the new ECU.

   HINT: 

   • For replacement, (Refer to REGISTRATION (07/2015 -) ).
   • For registration, (Refer to REGISTRATION (07/2015 -) ).

   OK

   The key ID can be registered.

Result:  OK

OK 

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

Result:  NG

NG 

GO TO New key cannot be Registered 

(Refer to New Key cannot be Registered (07/2015 -) )