Accelerated Warm-Up System (AWS) Valve

WARNING: This page is about a different car, the 1994 Mazda RX-7. However, it is still accessible from the selected car via links, so may be relevant.

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

Courtesy of MAZDA MOTORS CORP.

Fig 2: Checking ISC Solenoid Valve (RX7)

Courtesy of MAZDA MOTORS CORP.

Fig 3: Checking AWS Solenoid Valve (RX7)

Courtesy of MAZDA MOTORS CORP.