LS 460 V8-4.6L (1UR-FSE) (2007)
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.
b. With the switch still installed, measure the resistance between the terminal of the engine oil pressure switch and engine ground.
If the result is not as specified, replace the switch assembly.