Yaris L4-1.5L (1NZ-FE) (2007)
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Oil Pressure Gauge: Testing and 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 ohm
Standard resistance (Engine idling): 10 k ohms or higher
HINT: If the value is not as specified replace the engine oil pressure switch assembly.
