Oil Pressure Sender: Testing and Inspection

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

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.