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Home >> Mazda >> 2018 >> CX-3 Touring, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Engine Control System) >> Engine Coolant Temperature (ECT) Sensor Inspection >> ECT sensor No. 2 >> Function Inspection
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Function Inspection

WARNING: This page is about a different car, the 2018 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition ON (engine off).
  3. Display the PID ECT and ECT2_V. (See On-board Diagnostic Test .) (See PCM Inspection .)
  4. Compare the voltage indications for PID ECT2_V and the temperature indications for PID ECT with the standards in the table indicated below.
VOLTAGE SPECIFICATION - STANDARD

ECT2_V [V] ECT [°C {°F}]
Approx. 3.10 20 {68}
Approx. 2.16 40 {104}
Approx. 1.40 60 {140}
Approx. 0.87 80 {176}
Approx. 0.54 100 {212}