Checking Oil Pressure Sensor

Tests 639 - 645:

Tests 646 - 650:

SYMPTOM
CHECKING OIL PRESSURE SENDING UNIT

POSSIBLE CAUSESLow oil level
- Oil pressure warning lamp bulb defective
- Oil pressure sensor signal circuit open
- Oil pressure sensor signal circuit shorted to ground
- Oil pressure sending unit defective
- PCM defective
- Cluster defective