Throttle Body Inspection

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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.

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 ).