A) Disconnect the sensor connector.
b) Turn on the ignition: the pointer arrow should be on the mark "LOW" (low pressure).
V) Connect one lead of a 3.4 W pilot lamp to the connector on the wire side, and ground the other lead.
G) Turn on "ignition": the indicator lamp must be on and the pointer must move in the direction of the pressure increase.
d) If the test results are negative, then check the resistance of the pointer.
2. Checking the resistance of the pointer,
A) Check resistance between terminals.
Resistance - 25 Ohm
b) If the resistance does not match the specified value, then replace the pointer.
3. Checking the oil pressure sensor,
A) Disconnect the connector from the sensor.
b) Connect one lead of the control LED to the sensor connector and the other lead to "plus" battery.
V) When the engine is not running, the control LED should not light up.
G) When the engine is running, the control diode should be on. Flash frequency should change with engine speed.
d) Replace the sensor if it does not work as specified.