Question about 2001 Honda Civic

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HI I have 2007 civic and my ac work all the time pleas help Me

When I start car and turn blower to circulation air my ac is on and don't this engage at all it work all the time. pleas help

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If system is low on Freon, compressor will not turn on

Posted on May 17, 2014

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Fuse box diagram


fuses are in the operators guide.
the glove box guide is free at all honda dealers and is online.
get one and keep it in the car,,, "safety"
the tests for A/C start at the fuses.
the blower , must blow.
then is the compression clutch engaged or not.
post back the clutch status and we can work thru the 100 pages
in the FSM.
or read it your self at alldata.com
the fsm is free. see it here
1st line
http://hondatech.info/downloads/Auto/Manuals/Civic/

see page 62 for schematic of the A/c
as you can see the PCM decides when the clutch is active
but there are 6 ways, for it to decide, not to run AC/

on the 99 there is a cab themostat , (hark) that can stop AC
and so cant he freon hi/low switch, do not bypass this device !!
see page 62-2 for stat schematic.
see page 62-3 (theory)
if the out door temp drops below 37F it cuts AC.
if the engine overheats, cuts AC
if the engine is overloaded, it cuts AC (see OBD2 scans for load factor (hills)
if the evap core freezes , most AC cut.
low freon. cut
too high? cut.

These are what a tech calls, AC permissives.
if the clutch is dead, we are all over them.

Oct 23, 2013 | 1999 Honda Civic

1 Answer

Air conditioning problem


Air Conditioning problem
2004 Chevrolet Impala



Ac is not blowing out cold air. You have to put gages on the system and it shows its has freon.Checked all fuses and relays. The two fans in engingine compartment do not come on when the ac is turned on but does when the engine gets hot. The compressor engages when turned on also.
If the magnetic clutch engages the compressor and still no cold air could be still low in freon or the HVAC unit.

Blower motor not working all the time...if I bang the dash near the glove box, it comes on then works great. Is this the switch assembly, the resistor problem, or should I be replacing the blower motor?


Jun 04, 2013 | 2004 Chevrolet Impala

1 Answer

Air conditioning on my 2007 honda civic is not working


i have a 2007 honda civic my ac not working and why its has 50899 on the car someone can help me out grrrrrrr

Jul 22, 2012 | Honda Civic Cars & Trucks

1 Answer

Honda civic a.c. problem


A blower motor resistor regulates the AC and heating system for your car by controlling the blower motor. Without a blower motor resistor in the car the ventilation system will not blow well or not at all. Fixing the blower motor resistor should help fix the climate control mechanism. This is located behind the glove box near the cabin air-filter. If you want to do this yourself, there are how-tos on youtube such as this one here.

May 21, 2012 | 2008 Honda Civic

1 Answer

My front air bower for my ac stopped working my rear ac works I have a 2007 grand caravan help air blower or compressor?


if you have cold air in the rear then it isn't the a/c compressor. if no air comes out of the front vents the it is either the blower motor or the blower motor resistor.

Aug 04, 2011 | 2007 Dodge Grand Caravan SXT Minivan

1 Answer

Hi, the air conditioning in my '93 dodge shadow isn't working. The blower fan works and the heat works. But no a/c.


Look to make sure both ac fuse and relay are good and have good connection, then start the car and turn ac on any change? if not you probably don't have any Freon due to a leak in the lines attached to your ac.

Jun 30, 2011 | 1993 Dodge Shadow

1 Answer

Heater not working on 1994 528i bmw but ac blower works


Hi it sounds like either the thermostat or the heater matrix, although if there is air in the system then this would also cause this fault. get the thermostat checked first as this could cause more damage if not fixed quickly.

The heater matrix or heater core may be blocked or not circulating the warm air, This is a more expensive job if it will not unblock.

Hope this helps
regards
dan

Jan 12, 2010 | 2008 BMW 528i Sedan

2 Answers

When i press the ac button it blinks three times but does not turn on. 2007 Tahoe LT


If your vehicle is equipped with automatic climate control, this should help.

Recirculation Operation
The HVAC control module controls the air intake through the recirculation actuator. The recirculation switch closes the recirculation door in order to circulate the air within the vehicle. The outside air switch opens the recirculation door in order to route outside air into the vehicle. Regardless of the blower motor switch position, recirculation is available only in the panel and bi-level mode switch positions. Including the OFF position. The mode switch must be placed in either the panel or bi-level position before the blower motor switch is placed in the OFF position. In order to reduce windshield fogging, outside air is circulated when the mode switch is in the defrost or defog positions. If the recirculation switch is pressed into the ON position when the mode switch is in an unavailable mode position, then the recirculation switch LED will flash 3 times. If the HVAC control module detects a fault with the recirc door the HVAC control module will try to drive the actuator for a predetermined amount of time, to outside air, which is the defaulted position for the recirculation actuator

Oct 17, 2009 | 2007 Chevrolet Tahoe

1 Answer

2003 honda civic air conditioning working intermittently


Hi,
I would request you to please do the following steps to why the AC has stopped working.
1. Check to see if all the R-134a leaks out (meaning there's nothing in the loop to carry away heat). Leaks are easy to spot but not easy to fix without pulling things apart. Most auto-supply stores carry a fluorescent dye that can be added to the system to check for leaks, and it will have instructions for use on the can. If there's a bad enough leak, the system will have no pressure in it at all. Find one of the valve-stem-looking things and CAREFULLY (eye protection recommended) pokes a pen in there to try to valve off pressure, and if there IS none, that's the problem.
2. Make sure the compressor is turning. Start the car, turn on the AC and look under the hood. The AC compressor is generally a pump like thing off to one side with large rubber and steel hoses going to it. It will not have a filler cap on it, but will often have one or two things that look like the valve stems on a bike tire. The pulley on the front of the compressor exists as an outer pulley and an inner hub which turns when an electric clutch is engaged. If the AC is on and the blower is on, but the center of the pulley is not turning, then the compressor's clutch is not engaging. This could be a bad fuse, a wiring problem, a broken AC switch in your dash, or the system could be low on refrigerant (most systems have a low-pressure safety cutout that will disable the compressor if there isn't enough refrigerant in the system).

Thank You for using Fixya.com

Jul 31, 2009 | 2003 Honda Civic

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