Resistance Inspection

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Disconnect the throttle body connector. (See Intake-Air System Removal/Installation .)
Measure the resistance between throttle body terminals A and B.

Fig 1: Throttle Body Connector Terminals
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 .)