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Air Conditioning Relay

  1. Disconnect coupler from air conditioner relay. Check continuity between terminals, using an ohmmeter.
  2. With engine off and no power applied, there should be continuity between No. 1 and No. 5. There should be no continuity between No. 1 and No. 3.
  3. Connect a wire from battery positive post to terminal No. 2 and battery negative post to terminal No. 4. There should be continuity between No. 1 and No. 3. There should be no continuity between No. 1 and No. 5.
    Fig 1: Showing Terminal Locations for Testing Air Conditioning Relay
    G09324580Courtesy of MAZDA MOTORS CORP.
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