Nissan Maxima Service and Repair Manual: ECU diagnosis information

Power supply and ground circuit

BCM BCM : Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blown. 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnec ...

BCM (body control module)

Reference Value NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and displ ...

Other materials:

System description
REFRIGERATION SYSTEM Refrigerant Cycle Refrigerant flow Compressor Pressure relief valve Liquid tank Refrigerant pressure sensor Condenser Expansion valve Evaporator Blower motor High-pressure gas  High-pressure liquid  Low-pressure liquid  Low-pr ...

P1801 vias control solenoid valve 2
Description The VIAS control solenoid valve 2 cuts the intake manifold vacuum signal for power valve 2 control. It responds to ON/OFF signals from the ECM. When the solenoid is OFF, the vacuum signal from the intake manifold is cut. When the ECM sends an ON signal the coil pulls the plunger ...

Optical sensor
Description The optical sensor converts the outside brightness (lux) to voltage and transmits the optical sensor signal to the BCM. Component Function Check 1.CHECK OPTICAL SENSOR SIGNAL BY CONSULT CONSULT Turn the ignition switch ON. Select "OPTICAL SENSOR" of BCM (HEAD LAMP) DATA MONIT ...