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:

U1200 AV control unit
Description Replace the AV control unit if this DTC is displayed. Part name  Description  AV CONTROL UNIT  It is the master unit of the MULTI AV system and it is connected to each control unit by means of communication. It operates each syste ...

Chassis & body maintenance
Abbreviations: I = Inspect and correct or replace as necessary, R = Replace, NOTE: Maintenance items with " " should be performed more frequently according to "Maintenance under severe driving conditions". (1) If towing a trailer, using a camper or a car-top carrier or driving on ro ...

Precaution
PRECAUTIONS Precautions for Trouble Diagnosis CAUTION: Never apply 7.0 V or more to the measurement terminal. Use a tester with open terminal voltage of 7.0 V or less. Turn the ignition switch OFF and disconnect the battery cable from the negative terminal when checking the harness. P ...