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2005 honda accord dx hvac diagnostic

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Old 01-15-2011, 03:18 PM
shanefish247's Avatar
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Default 2005 honda accord dx hvac diagnostic

The defrost and heat vent controls aren't working. I ran the diagnostic and the recirc blinks 4 times. Does anyone know what that code means?
 
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Old 01-15-2011, 04:28 PM
redbull-1's Avatar
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The HVAC DTC 4 is an open or short in the mode control motor circuit.

Check the No. 30 (7.5A) fuse in the under dash fuse relay box. It may turn out to be the motor.

If it is the motor, it is behind the glove box area. You would remove the glove box first, then pull the relays away from the bracket to be able to access the motor. See images.
 
Attached Thumbnails 2005 honda accord dx hvac diagnostic-remove-relays-bracket-behind-glove-box.jpg   2005 honda accord dx hvac diagnostic-mode-mix-motor.jpg  
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