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:

P0130, P0150 A/F sensor 1
Description The air fuel ratio (A/F) sensor 1 is a planar one-cell limit current sensor. The sensor element of the A/F sensor 1 is composed an electrode layer, which transports ions. It has a heater in the element. The sensor is capable of precise measurement = 1, but also in the lean ...

Oil pressure switch signal circuit
Description Detects the engine oil pressure and transmits the oil pressure switch signal to the IPDM E/R. Component Function Check 1.COMBINATION METER INPUT SIGNAL  Select "METER/M&A" on CONSULT.  Monitor "OIL W/L" of "DATA MONITOR" while operating ignition switc ...

Intelligent key system symptoms
Symptom Table ALL FUNCTIONS OF INTELLIGENT KEY SYSTEM DO NOT OPERATE NOTE: Before performing the diagnosis in the following table, check "WORK FLOW". Refer to DLK-9, "Work Flow". Check that vehicle is under the condition shown in "Conditions of vehicle" before starting diagn ...