Nissan Sentra Service Manual: Dtc/circuit diagnosis

Basic inspection

Diagnosis and repair work flow 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 s ...

Headlamp (hi) circuit

Description The IPDM E/R (intelligent power distribution module engine room) controls the headlamp high relay based on inputs from the BCM over the CAN communication lines. When the headlamp high ...

Other materials:

Power generation voltage variable control system operation inspection
Diagnosis Procedure Regarding wiring diagram information. Refer to chg-9, "wiring diagram". Caution: When performing this inspection, always use a charged battery that has completed the battery inspection. (When the charging rate of the battery is low, the response speed of the vol ...

Ecm branch line circuit
Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ECM for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? YES > ...

Diagnosis description : permanent diagnostic trouble code (permanent DTC)
Permanent DTC is defined in SAE J1979/ISO 15031-5 Service $0A. ECM stores a DTC issuing a command of turning on MIL as a permanent DTC and keeps storing the DTC as a permanent DTC until ECM judges that there is no presence of malfunction. Permanent DTCs cannot be erased by using the erase f ...