Scantool Diagnostics

Active Air Flap

P1237 Active Air Flap F/B Voltage High - Scantool Diagnostics

Monitor Scantool Data 1

1. Connect scantool to Data Link Connector (DLC).
2. IG key "ON", Engine "ON".
3. Warm up the engine to normal operating temperature.
4. Monitor diagnostic trouble code and present of trouble code.
Using a scantool, Check if the same DTC re-sets after clearing DTC.
5. Are any DTCs present?






Monitor Scantool Data 2

1. IG "ON"
2. Select Current Data in the "AAF" (Active Air Flap).
3. Check current after maintaining EV mode and engine idle status.

Active Air Flap Status -->Close Or Open




Fig.1) Engine ON
4. Is the displayed current output normal?