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:

Rear window defogger system
System Diagram System Description Operation Description When rear window defogger switch is turned ON while ignition switch is ON, the A/C auto amp. (rear window defogger switch) transmits rear window defogger switch signal to BCM. BCM turns rear window defogger relay ON when rear ...

DTC/circuit diagnosis
MAIN LINE BETWEEN DLC AND HVAC CIRCUIT Diagnosis Procedure 1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT) Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect the following harness connectors. ECM A/C auto amp. Check the continuity betw ...

Insufficient heating
Component Function Check Symptom Insufficient heating No warm air comes out. (Airflow volume is normal.) INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE INCREASE Press the AUTO switch. Turn temperature control dial (driver side) clockwise until 32C ...