Mazda 3 Quiz
Engine

Oil Pressure Switch Inspection

In this manual: Engine
Vehicle general — 15Accessories — 111Body — 339Brakes — 71Drivetrain — 143Electrical — 58Engine — 251HVAC — 72Restraints — 15Steering — 32Suspension — 41
~1min read
MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo WARNING:

  • A hot engine can cause severe burns. Turn off the engine and wait until it is cool before removing the exhaust system.

1. Disconnect the negative battery cable..

2. Remove the aerodynamic under cover No.2..

3. Remove the oil pressure switch..

4. Apply air pressure of approx. 40 kPa {0.41 kgf/cm2, 5.8 psi} to the oil pressure switch as shown in the figure.


5. Measure continuity between oil pressure switch terminal A and the thread area.


  • If there is any malfunction, replace the oil pressure switch.

Oil pressure switch continuity

Measurement condition

Continuity

Air pressure applied

No

Air pressure not applied

Yes

SKYACTIV-G 2.0 WARNING:

  • A hot engine can cause severe burns. Turn off the engine and wait until it is cool before removing the exhaust system.

1. Disconnect the negative battery cable..

2. Remove the aerodynamic under cover No.2..

3. Remove the oil pressure switch..

4. Apply air pressure of approx. 120 kPa {1.22 kgf/cm2, 17.4 psi} to the oil pressure switch as shown in the figure.


5. Measure continuity between oil pressure switch terminal A and the thread area.


  • If there is any malfunction, replace the oil pressure switch.

Oil pressure switch continuity

Measurement condition

Continuity

Air pressure applied

No

Air pressure not applied

Yes

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