T100 SR5 Extra Cab Pickup 4WD V6-3.4L (5VZ-FE) (1998)
Oil Pressure Gauge: Testing and Inspection
INSPECT RECEIVER OIL PRESSURE GAUGE OPERATION
a. Disconnect the connector from the sender gauge.
b. Turn the ignition switch ON, check that the receiver gauge needle indicates LOW.
c. Ground terminal on the wire harness side connector through a 3.4 W test bulb.
d. Turn the ignition ON, check that the bulb lights up and the receiver gauge needle moves to the high side.
If resistance value is not as specified, replace the receiver gauge.
INSPECT OIL PRESSURE RECEIVER GAUGE RESISTANCE
Measure the resistance between terminals A and B.
Resistance: Approx. 25.0 Ohms
If resistance value is not as specified, replace the receiver gauge.