Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

Diagnosis system (BCM)

COMMON ITEM COMMON ITEM : CONSULT Function (BCM - COMMON ITEM) APPLICATION ITEM CONSULT performs the following functions via CAN communication with BCM. SYSTEM APPLICATION BCM can perform the ...

U1000 CAN comm circuit

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

Other materials:

Headlamp (LO) circuit
Description The IPDM E/R (intelligent power distribution module engine room) controls the headlamp low relay based on inputs from the BCM over the CAN communication lines. When the headlamp low relay is energized, power flows through fuses 51 and 52, located in the IPDM E/R. Power then flows ...

Rear window defogger relay
Description Power is supplied to the rear window defogger with BCM control. Component Function Check 1. CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT Check that an operation noise of rear window defogger relay [located in fuse block (J/B)] can be heard when turning the rear window de ...

Door lock and unlock switch
DRIVER SIDE DRIVER SIDE : Description Transmits door lock/unlock operation to BCM. DRIVER SIDE : Component Function Check 1. CHECK FUNCTION With CONSULT Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT DRIVER SIDE : Diagnosis Procedure 1. CHECK POWER WINDOW SWITCH OUTP ...