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Home >> Mazda >> 2024 >> CX-90 PHEV Preferred >> Repair and Diagnosis >> External Pages >> Different car >> Section 146 (Engine Control System (VIN Y)) >> Engine Oil Temperature Sensor Inspection >> Resistance Inspection

Resistance Inspection

WARNING: This page is about a different car, the 2025 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the steering wheel to full right lock.
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Lift up the vehicle.
  4. Remove the front splash shield (RH). (See SPLASH SHIELD REMOVAL/INSTALLATION .)
  5. Disconnect the engine oil pressure sensor/engine oil temperature sensor connector. (See ENGINE OIL TEMPERATURE SENSOR/ENGINE OIL PRESSURE SENSOR REMOVAL/INSTALLATION .)
  6. Measure the resistance between engine oil pressure sensor/engine oil temperature sensor terminals E and C.
G15630290Courtesy of MAZDA MOTORS CORP.
RESISTANCE SPECIFICATION (REFERENCE)

Engine oil temperature (°C {°F}) Resistance (Kilohms)
-40 {-40} Approx. 44.9
0 {32} Approx. 5.78
25 {77} Approx. 2.04
140 {284} Approx. 0.0719
G16328099Courtesy of MAZDA MOTORS CORP.