Nissan Sentra Service Manual: Dtc/circuit diagnosis

Basic inspection

Diagnosis and repair workflow Work Flow OVERALL SEQUENCE DETAILED FLOW 1.OBTAIN INFORMATION ABOUT SYMPTOM Interview the customer to obtain as much information as possible about the conditio ...

Power supply and ground circuit

Combination meter Combination meter : diagnosis procedure Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram". 1.Check fuses Check that the following fuses are not bl ...

Other materials:

P0643 Sensor power supply
Description ECM supplies a voltage of 5.0 V to some of the sensors systematically divided into 2 groups, respectively. Accordingly, when a short circuit develops in a sensor power source, a malfunction may occur simultaneously in the sensors belonging to the same group as the shorted-circui ...

Door switch
Component Function Check 1.Check function Select DOOR LOCK of BCM using CONSULT Select door sw-dr, door sw-as in data monitor mode Check that the function operates normally according to the following conditions. Is the inspection result normal? YES >> Door switch is OK. NO ...

Engine compartment
CAUTION Never use a fuse of a higher or lower amperage rating than specified on the fuse box cover. This could damage the electrical system or cause a fire. If any electrical equipment does not come on, check for an open fuse. Be sure the ignition switch and the headlight switch are ...