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:

B2556 push-button ignition switch
Description The switch that changes the power supply position. BCM maintains the power supply position status. BCM changes the power supply position with the operation of the push-button ignition switch. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION ...

P1564 ASCD steering switch
Description ASCD steering switch has variant values of electrical resistance for each button. ECM reads voltage variation of switch, and determines which button is operated. Refer to EC-68, "System Diagram" for the ASCD function. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P156 ...

Removal and Installation
REMOVAL Disconnect the battery negative terminal. Refer to PG-67, "Removal and Installation (Battery)". Disconnect the harness connector from the accelerator position sensor. Remove the three accelerator pedal nuts. Remove the accelerator pedal and accelerator position sensor assembl ...