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:

Interior room lamp control circuit
Description Controls each interior room lamp (ground side) by PWM signal. NOTE: PWM signal control period is approximately 250 Hz (in the gradual brightening/dimming). Component Function Check CAUTION: Before performing the diagnosis, check that the following is normal. Battery saver ou ...

Check cooling fan relay
Description The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred via the CAN communication line from BCM to ECM via the IPDM E/R. Component Function Check 1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION Turn ignition switch ON. Connec ...

Optical sensor
Exploded View Optical sensor LH front tweeter speaker grille Optical sensor harness connector LH front tweeter speaker Instrument panel Removal and Installation CAUTION: Whenever a suitable tool is used, always wrap a cloth around the end of the tool to protect components from ...