Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

Diagnosis system (HVAC)

CONSULT Function CONSULT can display each diagnosis item using the diagnosis test modes as shown. CONSULT application items SELF DIAGNOSTIC RESULT Display Item List *: Perform self- ...

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 excellen ...

Other materials:

HVAC branch line circuit
Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the A/C auto amp. for damage, bend and loose connection (unit side and connector side). 2.CHECK HARNESS FOR OPEN CIRCUI ...

Diagnosis system (ipdm E/R)
Diagnosis Description AUTO ACTIVE TEST Description In auto active test mode, the IPDM E/R sends a drive signal to the following systems to check their operation. Oil pressure warning lamp Front wiper (LO, HI) Parking lamps Side marker lamps License plate lamps Tail lamps Front f ...

Cooling fan
Description The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, refrigerant pressure, and air conditioner ON signal. The control system has 4-step control [HIGH/MIDDLE/LOW/OFF]. COOLING FAN MOTOR The cooling fan operates at each speed when the cu ...