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:

CAN communication circuit
Diagnosis Procedure 1.CONNECTOR INSPECTION Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on CAN communication system. Check terminals and connectors for damage, bend and loose connection. 2.CHECK HARNESS CON ...

P0868 transmission fluid pressure
Description The secondary pressure solenoid valve regulates the secondary pressure to suit the driving condition in response to a signal sent from the TCM. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Always drive vehicle at a safe speed. NOTE: Immediately after ...

Engine speed signal circuit
Description ECM sends engine speed signal to power steering control unit. Diagnosis Procedure 1.PERFORM ECM SELF-DIAGNOSIS With CONSULT Perform ECM self-diagnosis. 2.CHECK HARNESS BETWEEN ECM AND POWER STEERING CONTROL UNIT FOR OPEN Turn the ignition switch OFF. Disconnect ECM connec ...