Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2016 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Intake Air Temperature (IAT) Sensor Inspection >> IAT Sensor No. 1 >> Resistance inspection

Resistance inspection

NOTE:
  • The IAT sensor No. 1 is built into the MAF sensor. When replacing the IAT sensor No. 1, replace the MAF sensor/IAT sensor No. 1.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  2. Disconnect the MAF sensor/IAT sensor No. 1 connector.
  3. Measure the resistance between MAF sensor/IAT sensor No. 1 terminals A and B.
    Fig 1: Identifying MAF Sensor/IAT Sensor No. 1 Terminals
    G10952002Courtesy of MAZDA MOTORS CORP.
IAT SPECIFICATION (REFERENCE)

IAT (°C {°F}) Resistance (Kilohms)
-20 {-4} Approx. 15.1
20 Approx. 2.64
60 Approx. 0.66
Fig 2: IAT Temperature And Resistance Graph
G10952003Courtesy of MAZDA MOTORS CORP.
scientia non olet · About Mike's Workshop Manuals