Variable Air Duct (VAD) Control System Operation Inspection: Notes
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- Connect WDS or equivalent to DLC-2.
- Access ECT, TP_REL and RPM PIDs.
- Start the engine.
- Verify ECT PID is 70°C {158°F} or over.
- Inspect shutter valve operation under the following conditions.