Oil Pressure Gauge: Testing and Inspection

NOTE: Refer to engine oil pressure gauge circuit.


1. Before testing, check the No. 5 (15 A) fuse in the under-dash fuse box.

Engine Oil Pressure Gauge-Gauge Test:

2. Make sure the ignition switch is OFF, then disconnect the 2P connector from the engine oil pressure sending unit, and ground it with a jumper wire.
3. Turn the ignition switch ON (II).
Check that the pointer of the engine oil pressure gauge starts moving toward the "8" mark.


CAUTION: Turn the ignition switch OFF before the pointer reaches the "8" mark on the gauge dial; if you don't, you may cause damage to the gauge.


- If the pointer of the gauge does not move at all, check for:
- An open in the YEL or BLU/WHT wire.
- Replace the engine oil pressure gauge if the wiring is OK.
- If the engine oil pressure gauge is OK, go on to step 4.

4. Check the engine' oil pressure (See Engine Lubrication).
- If the engine oil pressure is OK, replace the engine oil pressure sending unit.