My display on the climate control for '99 Old Intrigue not loinger displays the correct outside temperature. I shows a temp that changes but 20 to 30 degrees less then outside. A/C and Heater work fine - just the outside temp gauge. Is there an easy inexpenxive fix for thsi?
Re: Climate control display for Outside temperature
Had the same problem, replaced the ambient air temp sensor in front of the radiator. Cost is like 10-15 bucks. Don't worry if temp doesn't change right away. Took me about 5 miles and then it worked great.
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Hey Brian ,
ICP - Integrated control panel
RCC - Remote Climate Control Module Integrated Control Panel-Electronic Automatic Temperature Control
The Taurus, Sable vehicles group together the following systems into a single integrated control panel:
AM/FM stereo radio
rear window defroster switch
electronic automatic temperature control (EATC)
full-logic cassette tape player
compact disc player control (optional)
The remote climate control module is mounted to the A/C evaporator housing behind the integrated control panel.
The integrated control panel is connected to the remote climate control module with a dedicated two-wire communication link.
The integrated control panel EATC features:
a vacuum fluorescent display (VFD) for displaying set temperature, ambient temperature, function and diagnostic trouble codes (DTCs).
electro-luminescent backlighting for all buttons and graphics.
function override buttons.
temperature control and blower speed rocker switches.
If this is a new problem, a temperature sensor may have gone bad. But if this is a new car to you, some Climate Control cars work this way.
Some will allow for Vent or Panel just to get air circulating, but the A/C should come on when you select A/C unless the outside temperature is too low.
For heater functions, the engine must warm up enough to provide heat. The Climate Control models will not turn on until it compares your temperature settings with how hot the engine water temperature is to provide this heat for you.
Now you may need to check the Antifreeze levels and check the temperature of the Radiator water to know if the Thermostat is working properly.
I have a 2000 pontiac grand prix with a digital climate control system.
The heat quit working, it doesn't blow out any heat. Now that it is warm
outside the air stopped blowing out any air. The digital temperature on
the climate control is not correct. When it states that it is below 30
degrees on the ext and it is warm outside the air wont be cold. Once it
starts going above 30 degrees the air gets colder. Today the blower stop
working all together. Was told it maybe the climate control unit was
bad. You can hear the door opening/shutting when you switch the temp
from cold to hot. But there was no heat blowing out whatsoever in the
winter time. Could you please give me your opinion on whether or not it
is the climate control unit or something else?
That is two separate problems. The "Flickering" of the outside temperature thermometer might be normal to some extent. Sometimes, the voltage from the sensor is at a point where it could be say, 31 degrees F or 32 degrees F. The display may flicker back and forth between 31 and 32 very rapidly until the voltage changes just enough to go make it go solid one way or the other. It probably does this all the time, but you didn't notice until you were paying attention to the temperature problems inside the car. (One actually has absolutely nothing to do with the other.)
The cracking and popping noises you are hearing from the temperature door and the difference between the temperature on the driver's side and the passenger side are the same problem. Apparently, you have dual zone climate control. This is usually caused by one of the temperature doors sticking and either stripping the gears inside the door control actuator or breaking the door itself. If you have both sides set at "HOT", the side that is cold is your problem-child. This will usually also set a fault code in your climate control module and may make your climate control display flash. (but it doesn't always flash when there is a code present)
Location is behind the plastic air dam that forces air from underneath the car to go up and into the radiator (directly in front of a/c condensor). It's somewhat of a tight space, however you can pull it with force off the plastic air dam it's connected to (about midway down) and then unclip the sensor from the harness. Just don't pull too hard once you free it from the plastic air dam. These sensors rarely need replacing. If your Dual Digital Climate Control System is giving you an incorrect reading on the display for the outside air temperature, this indicates a couple of possibilities. 1.)The sensor tip is dirty and should be cleaned, or 2.)The green or white wire that goes to this sensor is worn or has broke somewhere before the sensor. This happened to mine (green wire broke) and would always give an incorrect outside air temp. I fixed the green wire and now the system functions correctly again.
Might be the same....You may want to do the diagnosis proceedure. Alot of times its the door actuators. Servos in replace of old cable design. Usually it will be a code 46. DOOR BLEND ACTUATOR SHORT TO BATTERY. The DTC's can be checked with the MTC control and the Odometer
Display of the Mechanical Instrument Cluster if a DRBIII® scan tool is
not available. The MTC control can only be placed into the diagnostic
mode while the engine is running and the vehicle is not moving. To place
the system into it's diagnostic mode, adjust the MTC control to the
The engine must be running with vehicle not moving.
The fan speed set to any speed except OFF.
The temperature control knob in full cold (full counterclockwise position).
The mode control knob must be placed in Defrost position (full clockwise position).
The A/C button can be On or Off.
and hold the rear window defogger (EBL) button until the mechanical
instrument cluster odometer display indicates an "AC00". The BCM will
chime once and the MTC A/C button LED will begin blinking.
the EBL button and wait until the MTC A/C button LED stops blinking.
This means that the error check and climate control door calibration is
complete. NOTE:It is important that no
other control knob or button is pushed until all DTC's are read. Pushing
any button except the A/C button or turning a control knob will end the
diagnostic test without showing the rest of the DTC's. There also may
be other DTC's stored in the BCM not related to the climate control
system. These DTC's can only be found using the DRBIII® scan tool. DTC's
related to the MTC control head will appear on the odometer display in
numerical form after the letters "AC". The odometer display will return
to normal operation if no DTC's are found. If a problem is found, then
the odometer will display the letters "A/C" followed by the DTC number.
The odometer display can only show one DTC at a time. Under certain
circumstances, more than one DTC could be in the memory. To scroll
through any additional DTC's, press the A/C button on the MTC control.
The BCM will beep each time the A/C button is pushed. Continue pushing
the A/C button and recording the DTC's until the odometer returns to
normal operation (note the letters AC will dissapear.