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Home >> Mazda >> 2018 >> 6 Signature >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN Y) >> Engine Coolant Temperature (ECT) Sensor Inspection >> Function Inspection
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Function Inspection

  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition ON (engine off).
  3. Display the PID ECT. (See ON-BOARD DIAGNOSTIC TEST .) (See PCM INSPECTION .)
  4. Compare the voltage and temperature indications for the PID ECT with the standard in the table indicated below.

Standard 

VOLTAGE SPECIFICATION

ECT
V °C {°F}
Approx. 2.65 29 {84}
Approx. 0.71 88 {190}