FixVault

Resistance inspection

NOTE:
  • The MAF sensor and IAT sensor No. 1 cannot be removed as a single unit. When replacing the IAT sensor No. 1, replace the MAF sensor/IAT sensor No. 1.
  1. Disconnect the negative battery terminal. (Refer to NEGATIVE BATTERY TERMINAL 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 Connector Terminals
    G10947122Courtesy of MAZDA MOTORS CORP.
    RESISTANCE SPECIFICATION

    IAT (°C {°F}) Resistance (Kilohms)
    -20 {-4} 13.7-16.6
    20 2.49-2.79
    60 0.622-0.703
    Fig 2: Intake Air Temperature Sensor Resistance Graph
    G10947123Courtesy of MAZDA MOTORS CORP.