Resistance Inspection

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the boost pressure sensor/boost air temperature sensor. (See BOOST PRESSURE SENSOR/BOOST AIR TEMPERATURE SENSOR REMOVAL/INSTALLATION .)
Measure the resistance between boost pressure sensor/boost air temperature sensor terminals A and B.

Fig 1: Boost Pressure Sensor/Boost Air Temperature Sensor Connector Terminals

Courtesy of MAZDA MOTORS CORP.

If not as specified, replace the boost pressure sensor/boost air temperature sensor. (See BOOST PRESSURE SENSOR/BOOST AIR TEMPERATURE SENSOR REMOVAL/INSTALLATION .)