Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

Diagnosis system (AV control unit)

Description The AV control unit diagnosis function starts up with multifunction switch operation and the AV control unit performs a diagnosis for each unit in the system during the on board ...

U1000 CAN comm circuit

Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excelle ...

Other materials:

Vehicle speed signal circuit
Description Combination meter sends vehicle speed signal to power steering control unit. Diagnosis Procedure 1.PERFORM COMBINATION METER SELF-DIAGNOSIS Perform combination meter self-diagnosis. 2.CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT FOR OPEN Turn the ...

Diagnosis system (meter)
Diagnosis Description SELF-DIAGNOSIS MODE Odo/trip meter and information display segment operation can be checked in self-diagnosis mode. Meters/gauges can be checked in self-diagnosis mode. OPERATION PROCEDURE Turn the ignition switch OFF. While pushing the odo/trip meter switch, ...

B2553 ignition relay
Description BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned ON. Ignition relay-1 (inside IPDM E/R) Ignition relay-2 (inside fuse block (J/B)) Front blower motor relay BCM checks any ignition relay ON request for consistency wi ...