Oil Pressure Sender: Testing and Inspection

1NZ-FE LUBRICATION: OIL PRESSURE SWITCH: ON-VEHICLE INSPECTION

1. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY

(a) Disconnect the engine oil pressure switch connector.

(b) Using an ohmmeter, check the resistance between the engine oil pressure switch terminal and body ground.

Standard resistance (Engine stopped):

Below 1 Ohms

Standard resistance (Engine idling):

10 kOhms or higher

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