Resistance Inspection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Disconnect the throttle body connector.
Measure the resistance between throttle body terminals E and F.

Fig 1: Throttle Body Connector Terminals E And F
Courtesy of MAZDA MOTORS CORP.

Throttle body resistance

0.3-100 ohms [20°C {68 °F}]
- If not as specified, replace the throttle body. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)