Sienna FWD V6-3.3L (3MZ-FE) (2006)
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Oil Pressure Gauge: Testing and Inspection
ENGINE OIL PRESSURE SWITCH
ON-VEHICLE INSPECTION
1. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY
a. Disconnect the connector from the oil pressure switch assembly.
b. 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 Ohm
Engine idling: 10 kOhms or higher
HINT: If the value is not as specified, replace the engine oil pressure switch.
