Recirc Door Not Responding (Active)

Tests 1 - 2:

Tests 3 - 7:

SYMPTOM
RECIRC DOOR NOT RESPONDING (ACTIVE)

WHEN MONITORED
Ignition in RUN and IOD fuse installed.

SET CONDITION
This DTC is set when the ATC does not receive feedback pulses within 5 seconds of the drive voltage being applied.

POSSIBLE CAUSES
- Recirc door driver circuit (A) shorted to ground
- Recirc door driver circuit (B) shorted to ground
- Recirc door driver circuits (A) and (B) shorted together
- Recirc door driver circuit (A) open
- Recirc door driver circuit (B) open
- ATC
- Recirculation door actuator