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Home >> Mazda >> 2021 >> 3 Turbo, 4D Hatchback >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN Y) >> Boost Air Temperature Sensor Inspection >> Resistance Inspection
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Resistance Inspection

  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  2. Remove the boost air temperature sensor. (See BOOST AIR TEMPERATURE SENSOR REMOVAL/INSTALLATION .)
  3. Measure the resistance between boost air temperature sensor terminals A and B.
G13714436Courtesy of MAZDA MOTORS CORP.
RESISTANCE SPECIFICATION

Boost air temperature (°C {°F}) Resistance (Kilohms)
0 {32} Approx. 34
25 {77} Approx. 17
50 {122} Approx. 9.6
100 {212} Approx. 3.7
G13714437Courtesy of MAZDA MOTORS CORP.