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Resistance inspection

NOTE:
  • Because the IAT sensor No. 1 is integrated in the MAF sensor, replacing the IAT sensor No. 1 includes replacement of the MAF sensor/IAT sensor No. 1.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  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.
CONTINUITY SPECIFICATION

IAT (°C {°F}) Resistance (Kilohms)
-20 {-4} 13.7-16.6
20 {68} 2.49-2.79
60 {140} 0.622-0.703
Fig 1: Identifying MAF Sensor/IAT Sensor No. 1 Connectors
G09758729Courtesy of MAZDA MOTORS CORP.
Fig 2: Resistance Versus Temperature Graph
G09758730Courtesy of MAZDA MOTORS CORP.