Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

System description

EPS SYSTEM System Diagram CONTROL DIAGRAM System Description The EPS system controls the power steering solenoid valvethrough the power steering control unit. The valve driving voltage ...

Power supply and ground circuit

Description EPS system functions by ignition power supply. Diagnosis Procedure 1.CHECK POWER SUPPLY Turn the ignition switch OFF. Disconnect power steering control unit connector. Turn th ...

Other materials:

Loose fuel cap warning
The LOOSE FUEL CAP warning appears in the vehicle information display when the fuel-filler cap is not tightened correctly after the vehicle has been refueled. It may take a few driving trips for the message to be displayed. To turn off the warning, perform the following: 1. Remove and inst ...

Symptom diagnosis
UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION) Description Hard steering when fully turning the steering wheel. Light steering when driving at a high speed. Diagnosis Procedure 1.CHECK SYSTEM FOR POWER SUPPLY AND GROUND Perform trouble diagnosis for power supply and ground cir ...

Power control system
System Diagram System Description COOLING FAN CONTROL IPDM E/R controls cooling fans according to the status of the cooling fan speed request signal received from ECM via CAN communication. GENERATOR CONTROL IPDM E/R outputs power generation command signal (PWM signal) to the generat ...