Nissan Sentra Service Manual: The oil pressure warning lamp does not turn off
Description
The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure).
Diagnosis procedure
1.Check combination meter input signal
- Start the engine and select METER/M&A on CONSULT.
- Observe oil w/l data monitor and the operation of the oil pressure warning lamp on the combination meter.
Is the inspection result normal? Yes >> perform ecm self-diagnosis. Refer to ec-66, "consult function".
No >> replace combination meter. Refer to mwi-77, "removal and installation".
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 CON ...
The door open warning continues displaying, or does not display
Description
The door ajar warning is displayed even though all of the doors are
closed.
The door ajar warning is not displayed even though a door is ajar.
Diagnosis procedure
1.Check bcm ...
Other materials:
P0172 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 ...
Push-button ignition switch illumination circuit
Description
Provides the power supply and the ground to control the push-button ignition
switch illumination.
Component function check
1.Check push-button ignition switch illumination operation
Consult active test
Turn the ignition switch ON.
Select engine sw illumi of bcm (intelligen ...
P0506 ISC System
Description
The ECM controls the engine idle speed to a specified level through the fine
adjustment of the air, which is let
into the intake manifold, by operating the electric throttle control actuator.
The operating of the throttle valve is
varied to allow for optimum control of the engine ...
