Nissan Altima 2007-2012 Service Manual: Symptom diagnosis

Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER ...

None of the power windows can be operated using any switch
Diagnosis Procedure 1. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT Check BCM power supply and ground circuit. Refer to BCS-42, "Diagnosis Procedure". Is the inspection result normal? ...

Other materials:

Auto light system
System Diagram System Description • BCM (Body Control Module) controls auto light operation according to signals from optical sensor, lighting switch and ignition switch. • IPDM E/R (Intelligent Power Distribution Module Engine Room) operates parking, license plate, tail, front fog ...

P0850 PNP Switch
Description When the shift lever position is P or N (CVT), Neutral position (M/T), park/neutral position (PNP) switch is ON. ECM detects the position because the continuity of the line (the ON signal) exists. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.INSPECTION START ...

ECU diagnosis
POWER STEERING CONTROL UNIT Reference Value TERMINAL LAYOUT PHYSICAL VALUES CAUTION: When using circuit tester or oscilloscope to measure voltage for inspection, be sure not to extend forcibly any connector terminals. Wiring Diagram — ELECTRONICALLY CONTROLLED POWER STEERING SYSTEM ...