Operation CHARM: Car repair manuals for everyone.

Front and Rear Blower Output 1 Shorted to Battery

Test 1:




Tests 2 - 4:





SYMPTOM
FRONT AND REAR BLOWER OUTPUT 1 SHORT TO BATT

WHEN MONITORED
With the ignition ON.

SET CONDITION
The FCM detects excessive current when attempting to close the Front/Rear Blower Motor Relays.

POSSIBLE CAUSES
- Check DTC's
- Front blower motor relay shorted
- Rear blower motor relay shorted
- Front/rear blower motor relay control circuit shorted to battery
- Front control module