Fluid Pressure Sensor/Switch: Testing and Inspection

OIL PRESSURE SWITCH INSPECTION [L3]

Caution: Water or foreign material entering the connector can cause poor connection or corrosion. Be sure not to drop water or foreign material on the connector when disconnecting it.

On-vehicle Inspection (harness inspection)
1. Remove the battery duct and battery cover.
2. Disconnect the negative battery cable.
3. Remove the under cover.





4. Disconnect the cord assembly connector.





5. Verify that there is no continuity between the cord assembly terminal and ground.
^ If there is no continuity, inspect the cord assembly.
^ If the cord assembly is normal, inspect the oil pressure switch.
6. Connect the cord assembly connector.
7. Install the under cover.
8. Connect the negative battery cable.
9. Install the battery duct and battery cover.

On-vehicle Inspection (oil pressure switch inspection)





1. Remove the under cover.
2. Disconnect the cord assembly connector.
3. Start the engine, with gear position in N or P.
4. Reaffirm that there is no continuity between the cord assembly terminal and ground.
5. Firmly depress the brake pedal with the left foot.
6. Shift the selector lever to D range.





7. Verify that there is continuity between the oil pressure switch terminal and ground.
If there is any malfunction, replace the oil pressure switch.
8. Connect the oil pressure switch connector.
9. Install the under cover.

Off-vehicle inspection





1. Remove the oil pressure switch. 2
2. Apply air pressure at 400 - 440 kPa (4.1 - 4.4 kgf-cm 58 - 63 psi)
3. Inspect continuity the between the oil pressure switch terminal and screw part.
If there is any malfunction, replace the oil pressure switch.
4. Install the oil pressure switch.