Operation CHARM: Car repair manuals for everyone.

Registration

REGISTRATION

Registration is a procedure that must be carried out when an additional key is purchased or when either a key, ECM or combination meter is replaced. The procedure includes initialization of the system and re-registration of the 10 code. Once initialized, the system loses the 10 code it has retained so far and has no code until a new code is registered. 10 codes for up to four keys (transponders) can be registered with a body integrated unit.

To prevent a copied key to be used, any set of keys (four maximum) can be registered only with one body integrated unit. Therefore, if a body integrated unit is replaced with a new one, the keys having been used with the old body integrated unit cannot be used with the new body integrated unit. The keys must be replaced simultaneously with the body integrated unit.

Registration is carried out by an authorized person using a select monitor and a special program. Access to the program is strictly controlled for reasons of security. The security 10 (kept by customer) is required for registration. As the 10 code for all registered keys are cleared when registration is started, registration must be performed will all keys including spares handed from the customer.