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1999 Ford Explorer Eddie Bauer EATC issues I have a 1999 Ford Explorer with Eddie Bauer EATC (Electronic Automatic Temperature Control) heat and ac system. I live in Florida, so ac is the most important thing and tend to use 8-9 mos of the year at some point. About 1-2 years ago I noticed on those kind of medium comfortable fresh days , with outside in the high 60's-to low 70's days, when you dont want to use the a/c and just want some fresh air to come through the vents that the air coming in is not fresh but really hot though the vents, I also noticed that on real cold days when they do happen that the heater works but is real hot. I really cant adjust the temp much with the electronic control. The fan speed still works incrementally and you can adjust the speed but all of the vents put out hot air, whether the mode is defrost-floor-floor panel-dash, its either real hot or switch it back to max ac, as max ac works. So Max a/c still works. But no way to adjust temps, its either max /ac or HOT. Now, just the other day I had to replace the battery. After doing so, I started to hear a tapping or clicking noise behind the glove box on the dash. I hear the noise without the EATC even on, (the ignition is on) and when I do turn on the EATC the tapping/clicking noise seems to be more pronounced and faster. Without the EATC on I hear the noise like every 2 secs but with the EATC on its about every second. I am thinking the noise maybe has nothing to do with me replacing the battery, and just purely coincidental, but not sure. So now I kind of have two questions: 1) Assuming I am living to live with the inconvenience of the air not temp not being ideal each and every climate day, can I het rid of that noise? and 2) Lets assume I want to get rid of noise and fix the climate control system, any suggestions on where to start? Are there any reset codes for these Eddie Bauer EATC controls? Thanks for any advice you can share. Craig

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6 Suggested Answers

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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: Ford Windstar SE, 3.8L V6, 1999, front seat heat/defrost is cold

the blendor actuators strip out the gear inside the actuator cases on these all the time. replace the actuator.

Posted on Mar 19, 2009

Bloomingidoi
  • 49 Answers

SOURCE: Heater only blows hot (well, warm) on full speed of fan

Replace the temp control on this car, it should be electrical control not cables.

Posted on Dec 03, 2008

harley9701ha
  • 424 Answers

SOURCE: Temperature Control not working on 1999 Ford Explorer

Sounds like your temperature actuator is not moving or your temp door is broken. On max a-c ,coolant is shut off to your heater core allowing only cold air in.

Posted on Jan 26, 2009

  • 599 Answers

SOURCE: clunking noise behind glove box high heat nor control

sound to me like the blend door is out of adjustment, have this lookrd at by a certified a/c tech,should be easy to fix

Posted on Apr 29, 2009

roniecon
  • 6826 Answers

SOURCE: Ford Expedition Climate Control Issues

replace the control head

Posted on Jun 29, 2009

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When heat is on it blow hot ondrivers side and cold on ppassenger side.


Do you hear any clicking sounds coming from behind the instrument panel ? Electrically controlled actuators move temp . blend doors and they wear out .Plastic gears etc..
Electronic Automatic Temperature Control System
The electronic automatic temperature control (EATC) system operation is determined by the settings on the EATC module. The EATC system automatically maintains a selected temperature for vehicle interior comfort, including capabilities to maintain separate temperature settings for the driver and front passenger. The electronic temperature control capabilities are achieved by splitting the air distribution system internally and utilizing 2 individually operated temperature blend doors. The EATC system is composed of the EATC module, automatic temperature control (ATC) solenoid and manifold, blower motor speed control, 4 vacuum control motors, 2 temperature blend door actuators, in-car temperature sensor, ambient air temperature sensor and solar amplifier (sunload sensor) to control the various functions. Do you know about DTC'S - diagnostic trouble codes ?

The electronic automatic temperature control (EATC) system must be diagnosed by first retrieving any DTCs, if present.
  • An on-demand (hard fault) DTC indicates that the fault is currently present. An on-demand DTC suggests a wiring fault, disconnected connector or component failure.
  • A continuous (intermittent) DTC alone (corresponding on-demand DTC is not present) indicates that the fault is an intermittent condition and may not be currently present. A continuous only DTC suggests a poor wiring connection, loose pin or terminal or intermittent component failure.
On-demand (hard fault) or continuous (intermittent fault) DTCs can be retrieved using a diagnostic tool. If using a diagnostic tool, refer to the diagnostic tool operating manual.
On-demand DTCs can also be retrieved by carrying out the Electronic Automatic Temperature Control Module On-Demand Self Test. To retrieve and/or clear continuous DTCs carry out the Electronic Automatic Temperature Control Module - Retrieve Continuous DTCs procedure. Always carry out the Electronic Automatic Temperature Control Module On-Demand Self Test before retrieving continuous DTCs.
If no DTCs are present, GO to Symptom Chart for the appropriate diagnostic action.

DTC EATC DTC Displayed Notes Description Action to Take B2266 2266 N/A LH Blend Door Failure or Short Go To Pinpoint Test A . B2267 2267 EATC Only RH Blend Door Failure or Short Go To Pinpoint Test A .
  • The dual temperature control is inoperative/does not operate correctly - Dual Zone EATC
  • Temperature blend door/actuator broken/binding
  • EATC module
  • CHECK the temperature blend doors/actuators for a binding or broken condition. If no condition is found, INSTALL a new EATC module. REFER to Section 412-01 . TEST the system for normal

Feb 05, 2017 | 2006 Mercury Mountaineer

1 Answer

Have 2007 lincoln mkx with no heat on drivers side and heat on passenger side,actuators are working on all blend doors, any suggestions


Is this the Electronic Automatic Temperature Control (EATC) ? Have you check for DTC'S ?
Did you try a cold boot ?
Electronic Automatic Temperature Control (EATC) Module and Electronic Manual Temperature Control (EMTC) Module Cold Boot Process
The purpose of the cold boot process is to allow the EATC or EMTC module to reinitialize. To carry out the cold boot process, follow the steps below.
  1. NOTE: EATC only. Clear the DTCs.
  1. Turn the ignition switch to the OFF position.
  1. Disconnect the EATC or EMTC module electrical connectors.
  1. Inspect module connectors for:
    • corrosion.
    • pushed-out connectors.
    • incorrectly seated connector.
  1. Wait one minute.
  1. Connect the EATC or EMTC module electrical connectors.
  1. Turn the ignition switch to the ON position.
  1. Select any position except OFF on the EATC or EMTC module.
The EATC or EMTC module will now initialize.
Electronic Automatic Temperature Control (EATC) Module DTC Chart NOTE: Some PCM DTCs may inhibit air conditioning (A/C) operation. If any PCM DTCs are retrieved, diagnose those first. Refer to the Powertrain Control/Emissions Diagnosis (PC/ED) manual. DTC Description Action to Take B1251 A/C In-Vehicle Temperature Sensor Open Circuit Go To Pinpoint Test A . B1253 A/C In-Vehicle Temperature Sensor Circuit Short to Ground Go To Pinpoint Test A . B1255 A/C Ambient Temperature Sensor Open Circuit Go To Pinpoint Test B . B1257 A/C Ambient Temperature Sensor Circuit Short to Ground Go To Pinpoint Test B . B2427 RH A/C Solar Radiation Sensor Circuit Short to Ground Go To Pinpoint Test C . B2426 RH A/C Solar Radiation Sensor Open Circuit Go To Pinpoint Test C . B2795 LH A/C Solar Radiation Sensor Circuit Short to Ground Go To Pinpoint Test C . B2796 LH A/C Solar Radiation Sensor Open Circuit Go To Pinpoint Test C . B2014 Evaporator Temperature Sensor Circuit Open Go To Pinpoint Test D . B1947 Evaporator Temperature Sensor Circuit Short to Ground Go To Pinpoint Test D . B295A LH Blend Door Potentiometer Feedback Circuit Open Go To Pinpoint Test F . B295B LH Blend Door Potentiometer Feedback Short to Ground Go To Pinpoint Test F . B226C LH Blend Door Motor Stalled Go To Pinpoint Test F . B295C RH Blend Door Potentiometer Feedback Circuit Open Go To Pinpoint Test F . B295D RH Blend Door Potentiometer Feedback Short to Ground Go To Pinpoint Test F . B226D RH Blend Door Motor Stalled Go To Pinpoint Test F . B295E Mode Door Potentiometer Feedback Circuit Open Go To Pinpoint Test F . B295F Mode Door Potentiometer Feedback Short to Ground Go To Pinpoint Test F . B226E Mode Door Motor Stalled Go To Pinpoint Test F .
  • The temperature control is inoperative/does not operate correctly
  • Circuitry open/shorted
  • Door actuator
  • LH or RH blend door actuator/linkage
  • EMTC or EATC module
  • Go To Pinpoint Test F .

Nov 10, 2016 | Lincoln Cars & Trucks

2 Answers

What is an ICP - RCC - Speedometer fuse for on a 1997 ford taurus dohc ICP - RCC?


Hey Brian ,
ICP - Integrated control panel
RCC - Remote Climate Control Module
Integrated Control Panel-Electronic Automatic Temperature Control
Control Assembly The Taurus, Sable vehicles group together the following systems into a single integrated control panel:
  • AM/FM stereo radio
  • clock
  • rear window defroster switch
  • electronic automatic temperature control (EATC)
  • full-logic cassette tape player
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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.
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1 Answer

2006 ford explorer eddie bauer 4x4 tire sensor fault


will be a good idea to go the shop for to RUN the scanner/computer .remember the electronic in vehicles now is very complicated.
Do not waste time+money.
God bless you

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1 Answer

No heat 2006 f150 5.4 liter i changed thermostat ,still no heat


Is there no heat even with the temperature set to max ? There is a TSB ( TSB 08-23-6 ) where when the temperature is set between 68-72* F, EATC ( Electronic Automatic Temperature Control ) has intermittent operation. The same TSB covers inability to control temperature output on the EMTC ( Electronic Manual Temperature Control ) HVAC controls. There is a new temperature blend door actuator ( p/n : 9L3Z-19E616-E ) to cure the problem, if these symptoms match the ones you are having.

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2 Answers

Where is the electronicnautomatic temperature control module located on a 05 ford 150


I assume you have checked all fuses. It could be the heater control switch , the blower motor resister , I would start testing if power is getting pass the switch to the blower motor.

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1 Answer

Heater displays everything but you cannot turn anything on ac will not turn on neither will the heat the buttons will not even light up please help


From the equipment description, I take this to be a EATC ( Electronic Automatic Temperature Control ) system.

You can try to run the EATC diagnostic test & recalibrate ( once you have confirmed it is not a fuse )

Electronic Automatic Temperature Control Module On-Demand Self-Test The EATC module on-demand self-test will retrieve on-demand (hard fault) DTCs only, it will not retrieve continuous DTCs. Continuous DTCs can be cleared when exiting the EATC module on-demand self-test. Make sure to retrieve continuous DTCs by carrying out the Electronic Automatic Temperature Control Module - Retrieve Continuous DTCs procedure before clearing any continuous DTCs.


•The EATC module on-demand self-test will not detect concerns associated with data link messages like engine coolant temperature or vehicle speed signals. A diagnostic tool must be used to retrieve these concerns.
•The EATC module on-demand self-test will detect concerns in the system control functions and will display on-demand (hard fault) DTCs for concerns that are present during the self-test. The vehicle interior temperature should be between 4°-38°C (40°-100°F) when performing the self-test. If the temperatures are not within the specified ranges, false DTCs may be displayed.
•The self-test can be initiated after cycling the ignition switch from OFF to ON. Normal operation of the climate control system stops when the self-test is activated.
•To enter the self-test, press the OFF and DEFROST buttons simultaneously and release, then press the AUTO button within 2 seconds . The display will show a flashing blower icon for 20 seconds , after which all vacuum fluorescent segments will be displayed if there are no on-demand DTCs present. If DTCs are present the EATC module will display "00 00" and then on-demand DTCs. Record all DTCs displayed.
•If any DTCs appear during the self-test, carry out the diagnostic procedure. Refer to the Electronic Automatic Temperature Control Module Diagnostic Trouble Code Index and follow the ACTION for each DTC given. See: Diagnostic Trouble Code Descriptions
•If a condition exists but no DTCs appear during the self-test, GO to Symptom Chart Condition: The EATC System Is Inoperative, Intermittent or Incorrect Operation. See: Symptom Related Diagnostic Procedures
•To exit the self-test and retain all DTCs, press any button except DEFROST. The EATC module will exit the self-test and retain all DTCs.
•To exit the self-test and clear all DTCs, press the DEFROST button. The EATC module will exit the self-test and all DTCs will be cleared.
•Always exit the self-test before powering the system down (system turned OFF). Once the self-test is exited, the ignition switch must remain ON for at least 30 seconds to allow the door actuators to automatically recalibrate.
•Continuous DTCs will be deleted after 80 ignition switch ON cycles after the intermittent fault occurs.

Electronic Automatic Temperature Control Module - Retrieve Continuous DTCs
The EATC module will retrieve only continuous (intermittent and hard) DTCs when carrying out this procedure.


•Retrieval of continuous DTCs can be initiated after cycling the ignition switch from OFF to ON. Normal operation of the climate control system stops when retrieving continuous DTCs.
•To retrieve continuous DTCs, press the OFF and DEFROST buttons simultaneously and release, then press the RECIRC button within 2 seconds . All vacuum fluorescent segments will be displayed if there are no continuous DTCs present. Continuous DTCs are indicated by the presence of the degrees Celsius symbol (°C) on the EATC module display. Record all DTCs displayed.
•If any DTCs appear, carry out the diagnostic procedure. Refer to the Electronic Automatic Temperature Control Module Diagnostic Trouble Code Index and follow the ACTION for each DTC given. See: Diagnostic Trouble Code Descriptions
•If a condition exists but no DTCs appear, GO to Symptom Chart Condition: The EATC System Is Inoperative, Intermittent or Incorrect Operation. See: Symptom Related Diagnostic Procedures
•To exit and retain all continuous DTCs, press any button except DEFROST. The EATC module will exit the retrieved continuous DTCs mode and retain all continuous DTCs.
•To exit and clear all continuous DTCs, press the DEFROST button. The EATC module will exit the retrieve continuous DTCs mode and all continuous DTCs will be cleared.
•Always exit the procedure before powering the system down (system turned OFF). Once the procedure is exited, the ignition switch must remain ON for at least 30 seconds to allow the door actuators to automatically recalibrate.
•Continuous DTCs will be deleted after 80 ignition switch ON cycles after the intermittent fault occurs.

Electronic Automatic Temperature Control (EATC) Module and Electronic Manual Temperature Control (EMTC) Module Cold Boot Process The purpose of the cold boot process is to allow the EATC or EMTC module to re-initialize and calibrate the door actuators. To carry out the cold boot process, follow the steps below.

1.Turn the ignition switch to the OFF position.
2.Disconnect the EATC or EMTC module electrical connectors.
3.Wait one minute .
4.Connect the EATC or EMTC module electrical connectors.
5.Turn the ignition switch to the ON position.
6.Select any position except OFF on the EATC or EMTC module. The EATC or EMTC module will now initialize and calibrate the mode doors. Calibration of the mode doors will take approximately 30 seconds .

Nov 27, 2009 | 2005 Ford F-150

1 Answer

Interior heat flow


check you thermostat

Dec 01, 2008 | 1999 Ford Explorer

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