Nissan Maxima Service and Repair Manual: P1615 diffrence of key

P1612 chain of ECM-IMMU

Description BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered. BCM st ...

B2190 nats antenna AMP.

Description Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed. Prohibits the start of engine when an unregistered ID of Intelligent Key is us ...

Other materials:

Precaution
PRECAUTIONS Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front ...

Periodic maintenance
WHEEL HUB On-vehicle Service Check axle and suspension parts for excessive play, wear or damage.  Shake each rear wheel to check for excessive play. Inspection Rear Wheel Bearing  Check axial end play. Axial end play : Refer to RAX-8, "Wheel Bearing (Rear)". Check ...

Inspection and adjustment
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description MEMORY RESET PROCEDURE Please observe the following instructions at confirming the sunroof operation. NOTE: Do not disconnect the electronic power while the sunroof is operating or ...