KEY ID REGISTRATION CRITERIA TABLE <DIESEL POWERED VEHICLE>

caution

Do not replace the engine-ECU and the immobilizer-ECU simultaneously. Always replace the ECU by ones when the multiple ECU is replaced, and then replace the next ECU after registering the necessary IDs.

The ignition key contains a transponder (small transmitter), which retains an unique key ID. Under any of the conditions described in the table below, the Chassis No. and key ID should be registered in the immobilizer-ECU or engine-ECU again.

note

In addition, the keyless entry key ID should be registered in the ignition key (with transmitter) and ETACS-ECU.
The immobilizer-ECU can retain maximum eight different ignition key in the memory.

Component to be replaced	Engine-ECU	Immobilizer-ECU	Ignition key	R\eference page
When engine-ECU is replaced	-	Should not be replaced	Should be replaced	Refer to GROUP 00, How to perform Chassis Number (Chassis No.) Writing .
		Registration Engine Key Code and write the Chassis No. ^*1	Should not be registered
When immobilizer-ECU is replace	Should not be replaced	-	Should not be replaced	Refer to GROUP 00, How to perform Chassis Number (Chassis No.) Writing . Refer to How to register key ID <Diesel powered vehicle>.
	Write the Chassis No. ^*2		All ignition keys should be registered again
When the key ring antenna is replaced	Should not be replaced	Should not be replaced	Should not be replaced	-
When the ignition key is added as a single unit	Should not be replaced	Should not be replaced	Should not be replaced	Refer to How to register key ID <Diesel powered vehicle>.
			All ignition keys should be registered again
When an ignition key is lost as a single unit	Should not be replaced	Should not be replaced	Should not be replaced	Refer to How to register key ID <Diesel powered vehicle>.
			All the ignition keys other than the lost one should be registered again
When the ignition key is replaced by the full service key set or the handle lock service key set is replaced by the piece.	Should not be replaced	Should not be replaced	-	Refer to How to register key ID <Diesel powered vehicle>.
			All ignition keys should be registered again Barcode No. input
When the blank key^*3 is replaced by the door service key set, glove box service key set or back door service key set is added by the piece	Should not be replaced	Should not be replaced	Should not be replaced	-

note

^*1: Indicates writing of the Engine Key Code and Chassis No. to the engine-ECU.
^*2: Indicates writing of the Chassis No. to the immobilizer-ECU.
^*3: Blank key (the key that can be used to lock/unlock the door, back door or glove box only)

SUPPLY UNIT LIST FOR INDIVIDUAL KEY

Ignition key single unit (A:Without transmitter B:With transmitter)

note Blank key (It is the key that comes with the door service key set, glove box service key set, and the back door service key set. It can only be used for locking and unlocking, and it cannot start the engine.)

KEY SUPPLY UNIT LIST FOR OTHER THAN INDIVIDUAL KEY

Full service key set (A:Without transmitter B:With transmitter)	Handle lock service key set (A:Without transmitter B:With transmitter)

Door service key set	Glove box service key set	Back door service key set

Registration flow chart