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
*: When detecting a normal engine oil pressure, ECM turns OFF the oil pressure warning lamp.
Basic inspection
Component inspection
Inspection
AFTER A COLLISION
WARNING:
Inspect all seat belt assemblies including retractors and attaching
hardware after any collision.
NISSAN/INFINITI recommends that all seat belt assemblies in use during a
collision be replaced
unless the collision was minor and t ...
Diagnosis and repair workflow
Work flow
Overall sequence
Detailed flow
1. Obtain information about symptom
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2. Confirm concern
Check the malfunction on the veh ...
Abbreviations
Abbreviation List
The following ABBREVIATIONS are used:
A
ABBREVIATION
DESCRIPTION
A/C
Air conditioner
A/C
Air conditioning
A/F sensor
Air fuel ratio sensor
A/T
Automatic transaxle/transmission
ABS
Anti-lock braking sys ...