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2007 Honda Ridgeline RT 4WD Crew Cab

2007 Honda Ridgeline
Trim Info:
Four Wheel Drive, 4 Door Crew Cab, 4WD Standard Pickup Truck
16 mpg city / 21 mpg hwy
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November 30, 2010, 10:42 am

Kevin B
 

Question: Ridgeline Defrost

When I chagne the setting for defrost, floor air, or circulation of cabin air, I only get air from the front vents. A/C engages, heat can be adjusted. I found a fuse that was labeled FRDEF changed it but no improvement. The wiring for the motor that changes air direction is very tight, like it is holding up the netire wiring harness for the blower motor, I believe this was doen when the TSB was performed this summer. How can I check voltage on this plug or test the motor that changes air flow direction?


December 5, 2010, 9:03 pm

Tyler O
Expert Mechanic

There are output tests that the dealer can perform on the climate control systems using their equipment. Otherwise there isn't really a way for a home mechanic to test these units without removing the dash. Vehicles and diagnoses are getting more complicated these days...


It sounds like a failure of a component in the mixture control box.


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