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Resistance Inspection

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable
  2. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [MZI-3.7] ).
  3. Disconnect the throttle body connector.
  4. Measure the resistance between throttle body terminals A and B.

    Throttle actuator resistance 

    1-900 ohms [20°C {68°F}] 

    Fig 1: Identifying Throttle Actuator Connector Terminals
    G06204968Courtesy of MAZDA MOTORS CORP.