Question about 2000 Ford Focus
I was getting no a/c at levels 1,2 and 3. there was one spot just past 4 and the a/c would come on at high power, but it wouldn't stay on all the time. I turned it today and the whole knob came off and I heard a piece fall back into the dash. How do I get the A/C and Radio dash off so that I can first rtrieve the fallen piece and fix the knob? Please help, I live in AZ and it is HOT!!!. Thanks
First your gonna need to get a hammer......a big one! Then after a couple of beers, maybe a stout or something, go outside and open the driver door. With you hammer in hand carefully get in the car as to not scratch the paint! When inside start by hitting the dash at a 45 degree angle as to get the best damage. Please repeat this until your buzz is gone. Then go get another beer and repeat steps!!!
Posted on Sep 24, 2008
You need to replace the fan speed dropping resistor.
Posted on Sep 22, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
A/C refrigerant pressure exceeds 1 310 kPa (190 psi).
After the vehicle is shut off if the engine coolant temperature at key-off is greater than 140?°C (284?°F) and system voltage is more than 12 volts. The fans will stay on for approximately 3 minutes.
The BCM and PCM/ECM command High Speed Fans on under the following conditions:
Engine coolant temperature reaches 110?°C (230?°F).
A/C refrigerant pressure exceeds 1 655 kPa (240 psi).
When certain DTCs set.
The three relays are located in the under hood fuse / relay box ! You need to have it checked for DTC'S -diagnostic trouble codes ! An you need a GM Tech 2 scan tool !
This diagnostic procedure supports the following DTCs:
DTC P0480 Cooling Fan 1 Relay Control Circuit
DTC P0481 Cooling Fan 2 and 3 or S/P Relay Control Circuit
DTC P0691 Cooling Fan 1 Relay Control Circuit Low Voltage
DTC P0692 Cooling Fan 1 Relay Control Circuit High Voltage
DTC P0693 Cooling Fan 2 and 3 or S/P Relay Control Circuit Low Voltage
DTC P0694 Cooling Fan 2 and 3 or S/P Relay Control Circuit High Voltage
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