Nissan Sentra Service Manual: Dtc/circuit diagnosis

Basic inspection

Diagnosis and repair workflow Work flow OVERALL SEQUENCE DETAILED FLOW 1.INTERVIEW FOR MALFUNCTION Find out what the customer's concerns are. >> GO TO 2. 2.SYMPTOM CHECK Verify the ...

Power supply and ground circuit

Bcm (body control system) (with intelligent key system) BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Procedure Regarding Wiring Diagram information, refer to BCS-51, "Wir ...

Other materials:

P0420 Three way catalyst function
DTC Logic DTC DETECTION LOGIC The ECM monitors the switching frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2. A three way catalyst (manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage c ...

Fuel pump
Component Function Check 1.CHECK FUEL PUMP FUNCTION Turn ignition switch ON. Pinch fuel feed hose with two fingers. Fuel pressure pulsation should be felt on the fuel feed hose for 1 second after ignition switch is turned ON. Is the inspection result normal? YES >> INSPECT ...

Driver side door mirror defogger
Description Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up. Component Function Check Check that heating wire of door mirror defogger lh is heated when turning the rear window defogger switch on. Is the inspect ...