OIL PRESSURE SWITCH INSPECTION [FN4A-EL]

Caution

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

On-vehicle Inspection (harness inspection)

1. Disconnect the negative battery cable.

2. Remove the under cover.

3. Disconnect the wiring harness component connector.

4. Verify that there is no continuity between the wiring harness component terminal and ground.

• If there is continuity, inspect the wiring harness component.

• If the wiring harness component. is normal, inspect the oil pressure switch. (See On-vehicle Inspection (oil pressure switch inspection).)

5. Connect the wiring harness component connector.

6. Install the under cover.

7. Connect the negative battery cable.

On-vehicle Inspection (oil pressure switch inspection)

1. Remove the under cover.

2. Disconnect the wiring harness component connector.

3. Start the engine, with gear position in N or P.

4. Reaffirm that there is no continuity between the wiring harness component terminal and ground.

5. Fully depress the brake pedal with the left foot.

6. Shift the selector lever to the 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. (See OIL PRESSURE SWITCH REMOVAL/INSTALLATION [FN4A-EL].)

8. Connect the oil pressure switch connector.

9. Install the under cover.

10. Connect the negative battery cable.

Off-vehicle inspection

1. Remove the oil pressure switch.

2. Apply air pressure of 400-440 kPa {4.1-4.4kgf/cm²,58-63psi}

3. Inspect for continuity the between oil pressure switch terminal and screw part.

• If there is any malfunction, replace the oil pressure switch. (See OIL PRESSURE SWITCH REMOVAL/INSTALLATION [FN4A-EL].)

4. Install the oil pressure switch.