Resistance Inspection

Disconnect the IAT sensor No. 2 connector.
Verify that the resistance between terminals A and B is within the specification.

Fig 1: Identifying IAT Sensor No. 2 Connector Terminals
Courtesy of MAZDA MOTORS CORP.
- If not within the specification, replace the IAT sensor No. 2 See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [BP WITH TC] .
- If the monitor item condition/specification (reference) is not within the specification, even though there is no malfunction, perform the "Circuit Open/Short Inspection". See CIRCUIT OPEN/SHORT INSPECTION .
IAT Sensor Resistance

Fig 2: Identifying IAT Sensor Resistance Specifications
Courtesy of MAZDA MOTORS CORP.

IAT sensor characteristics graph (reference)

Fig 3: IAT Sensor Characteristics Graph (Reference)
Courtesy of MAZDA MOTORS CORP.

IAT sensor characteristics table (reference)

Fig 4: IAT Sensor Characteristics Table (Reference)
Courtesy of MAZDA MOTORS CORP.