Nissan Sentra Service Manual: Ecu diagnosis information

System description

Component parts Component parts location Instrument lower finisher Eco mode switch The eco mode switch is installed to the instrument lower finisher. When the ECO mode indicator lamp ...

Wiring diagram

Eco mode system Wiring Diagram ...

Other materials:

Ambient sensor signal circuit
Description It detects outside air temperature and converts it into a resistance value which is then input into the combination meter. Diagnosis Procedure Regarding wiring diagram information, refer to mwi-28, "wiring diagram". 1.Check ambient sensor signal circuit Turn igniti ...

The oil pressure warning lamp does not turn on
Description The oil pressure warning lamp stays off when the ignition switch is turned on. Diagnosis procedure 1.Check combination meter oil pressure warning light Select METER/M&A on CONSULT. Observe oil w/l data monitor while operating the ignition switch. Is the inspection r ...

P0171 Fuel injection system function
DTC Logic DTC DETECTION LOGIC With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closely to the theoretical mixture ratio based on the mixture ratio feedback signal from the A/F sensors 1. The ECM calculates the necessary compensation to correct th ...