Nissan Sentra Service Manual: Wiring diagram

ECU diagnosis information

TCM Reference Value CONSULT DATA MONITOR STANDARD VALUE NOTE: The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this veh ...

Basic inspection

DIAGNOSIS AND REPAIR WORK FLOW Work Flow NOTE: “DTC” includes DTC at the 1st trip. 1.OBTAIN INFORMATION ABOUT SYMPTOM Refer to TM-140, "Diagnostic Work Sheet" and interview t ...

Other materials:

P0139 HO2S2
DTC Logic DTC DETECTION LOGIC The heated oxygen sensor 2 has a much longer switching time between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen storage capacity of the three way catalyst 1 causes the longer switching time. To judge the malfunctions of heated oxygen sensor 2, ...

System
SRS air bag system SRS AIR BAG SYSTEM : System Diagram SRS AIR BAG SYSTEM : System Description The air bag deploys if the air bag diagnosis sensor unit is activated while the ignition switch is in the ON or START position. The collision modes for which supplemental restraint systems ...

On board diagnostic (OBD) system
Diagnosis Description This system is an on board diagnostic system that records exhaust emission-related diagnostic information and detects a sensors/actuator-related malfunction. A malfunction is indicated by the malfunction indicator lamp (MIL) and stored in ECU memory as a DTC. The diagnos ...