Matrix XRS 2WD L4-1.8L (2ZZ-GE) (2003)
Oil Pressure Sender: Testing and Inspection
INSPECT LOW OIL PRESSURE WARNING LIGHT
a. Inspect the circuit.
1. Disconnect the connector from the low oil pressure switch.
2. Turn the ignition switch ON.
3. Connect the terminal of wire harness side connector and ground, then check the warning low oil pressure warning light.
Low oil pressure warning light: Light on
INSPECT LOW OIL PRESSURE SWITCH
a. Check the continuity.
1. Disconnect the connector from the low oil pressure switch.
2. Check that continuity exists between terminal and ground.
Engine stopped: continuity
Engine running: no continuity