Air flow Inspection

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION .)
Remove the extension manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
Remove the purge solenoid valve.
Inspect air flow between the ports under the following conditions:

Fig 1: Purge Solenoid Valve Air Flow And Continuity Table
Courtesy of MAZDA MOTORS CORP.
- If there is air flow, inspect the related wiring harnesses.
- If there is no air flow, replace the purge solenoid valve.
Fig 2: Inspecting Purge Solenoid Valve Air Flow & Wiring Harness
Courtesy of MAZDA MOTORS CORP.