Nissan Maxima Service and Repair Manual: B2191 difference of key

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 ...

B2192 ID discord, IMMU-ECM

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 ...

Other materials:

B260f engine status
Description BCM receives the engine status signal from ECM via CAN communication. DTC Logic DTC DETECTION LOGIC NOTE: If DTC B260F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-29, "DTC Logic". If DTC B260F is displayed with D ...

Interior room lamp control circuit
Description Controls each interior room lamp (ground side) by PWM signal. NOTE: PWM signal control period is approximately 250 Hz (in the gradual brightening/dimming). Component Function Check CAUTION: Before performing the diagnosis, check that the following is normal. Battery saver ou ...

B2634, B2635 air mix door motor (passenger side)
Description COMPONENT DESCRIPTION Air Mix Door Motor (Passenger Side) The air mix door motor (passenger side) (1) is attached to the heater & cooling unit assembly. It rotates so that the air mix door is opened or closed to a position set by the A/C auto amp. Motor rotation is t ...