Operation CHARM: Car repair manuals for everyone.

Passenger Blend Door Not Responding (Active)

Tests 1 - 2:




Tests 3 - 7:




SYMPTOM
PASS BLEND DOOR NOT RESPONDING (ACTIVE)

WHEN MONITORED
With the ignition ON and the IOD fuse installed.

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

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