On-Vehicle Inspection

1. Disconnect the connector from the oil pressure switch assembly.
2. With the switch still installed, measure the resistance between the terminal of the engine oil pressure switch and engine ground.

Standard Resistance: 

Engine stopped: 

Below 1 Ω 

Engine idling: 

10 kΩ or higher 

HINT:

If the value is not as specified, replace the engine oil pressure switch.