Information

Precautions prior to registration:

^ Collect all existing ignition keys from the customer.

Note:
ANY KEYS THAT ARE NOT REGISTERED AT THIS TIME WELL NO LONGER START THE VEHICLE.

^ Separate all NATS ignition keys and other transponders away from each other (take them off the key ring). Keep them separate during the whole key registration process.

^ Do not "crank" the engine/operate the starter during the Key Registration Procedure.

^ Performing C/U initialization and key registration may not erase NATS DTC's stored in the ECM. YOU MUST CLEAR THE DTC's BY PRESSING ERASE IN THE SELF DIAGNOSTIC RESULTS DISPLAY OF CONSULT (step 7 in Key Confirmation below).

^ It is recommended that you read through the entire service procedure before doing it for the first time.

NATS C/U Initialization and Key Registration Procedures:

This is sections divided into two procedures NATS V 2.0 and NATS V 5.0.

Use the descriptions below to find which procedure applies to the vehicle being serviced.

Procedure 1; NATS V 2.0

For 2000 Altima (except CA-spec A/T vehicles built after VIN 1N4DL01D7YC245260),

1999 Maxima,

1999.5 - 2000 Pathfinder.

Procedure 2; NATS V 5.0

For 2000 Altima CA-spec A/T vehicles built after VIN 1N4DL01D7YC245260,

2001 Altima,

2000 - 2003 Maxima,

2000 - 2003 Sentra,

2001-2003 Pathfinder.