Nissan Sentra Service Manual: Engine protection control at low engine oil pressure
ENGINE PROTECTION CONTROL AT LOW ENGINE OIL PRESSURE : System Description
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
| Sensor | Input signal to ECM | ECM function | Actuator |
| Engine oil pressure sensor | Engine oil pressure | Engine protection control
|
Combination meter
|
| Crankshaft position sensor (POS) | Engine speed | ||
| Engine oil temperature sensor | Engine oil temperature |
SYSTEM DESCRIPTION
- The engine protection control at low engine oil pressure warns the driver of a decrease in engine oil pressure by the oil pressure warning lamp a before the engine becomes damaged.
- When detecting a decrease in engine oil pressure at an engine speed less than 1,000 rpm, ECM transmits an oil pressure warning lamp signal to the combination meter.The combination meter turns ON the oil pressure warning lamp, according to the signal.
*: When detecting a normal engine oil pressure, ECM turns OFF the oil pressure warning lamp.
Intake manifold tuning system
INTAKE MANIFOLD TUNING SYSTEM : System
Description
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
This system switches the length of intake air path according to the
low-to-medium speed range or high spe ...
Fuel filler cap warning system
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
The fuel filler cap warning system alerts the driver to the prevention of the
fuel filler being left uncapped and
malfunction occurrences after refueling, by ...
Other materials:
Tow Truck Towing
NISSAN recommends that vehicle be towed with driving (front) wheels off the
ground or that a dolly be used.
CVT: Continuously Variable Transmission
M/T: Manual transmission
CAUTION:
All applicable state or Provincial laws and local laws regarding
the towing operation must be ...
Precaution for supplemental restraint system (srs) "air bag" and "seat belt
pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
Pregnant women
NISSAN recommends that pregnant women use
seat belts. The seat belt should be worn snug and
always position the lap belt as low as possible
around the hips, not the waist. Place the shoulder
belt over your shoulder and across your chest.
Never run the lap/shoulder belt over your abdominal
ar ...