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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 the 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: