Accelerated Warm-Up System (AWS) Valve

Make sure fast idle cam has released throttle lever. See Fig 1 . Disconnect AWS valve electrical connector. Connect ohmmeter to AWS valve 2-wire connector. See Fig 3 . Measure resistance. Resistance should be 9.3-11.3 ohms at 68°F (20°C). If resistance is not within specification, replace AWS valve.

Fig 1: Checking Fast Idle Cam & Throttle Lever

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Fig 2: Checking ISC Solenoid Valve (RX7)

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Fig 3: Checking AWS Solenoid Valve (RX7)

Courtesy of MAZDA MOTORS CORP.