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:

Control unit
Removal and Installation A/C SWITCH ASSEMBLY Removal Remove cluster lid D. Refer to IP-10, "Exploded View". Remove the A/C switch assembly from cluster lid D. Installation Installation is in the reverse order of removal. A/C AUTO AMP. Removal Remove the audio unit. ...

P0451 evap control system pressure sensor
Description The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE NOTE: Never remove fuel filler cap during DTC confirmation procedur ...

Headlamp (HI) circuit
Description The IPDM E/R (intelligent power distribution module engine room) controls the headlamp high relay based on inputs from the BCM over the CAN communication lines. When the headlamp high relay is energized, power flows through fuses 48 and 49, located in the IPDM E/R. Power then flow ...