Oil Pressure Sender: Testing and Inspection

INSPECT OIL PRESSURE RECEIVER GAUGE OPERATION




a. Disconnect the connector from the sender gauge.
b. Turn the ignition switch ON and check that the receiver gauge needle indicates LOW.




c. Ground terminal on the wire harness side through a 3.4 W test bulb.
d. Turn the ignition switch ON and check that the bulb lights up and that the receiver gauge needle moves to the high side.
If operation is not as specified, measure the receiver gauge resistance.



INSPECT OIL PRESSURE SENDER GAUGE OPERATION
a. Disconnect the connector from the sender gauge.




b. Apply battery positive voltage to the sender gauge terminal through a test LED.
c. Check that the bulb does not light when the engine is stopped.
d. Check that the LED flashes when the engine is running. The number of flashed should vary with engine speed.
If operation is not as specified, replace the sender gauge.