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The heat in my 2007 ford edge only blows hot air out of the passenger side, while the driver side gets cold air


Have it checked for DTC'S - diagnostic trouble codes .
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 .
Need to use a professional scan tool to check these codes !

Dec 28, 2016 | 2007 Ford Edge

1 Answer

Why isn't variable speed variable?


If you replaced and wired up the switch and potentiometer correctly and the new parts are not faulty that only leaves the Printed Circuit Board as the cause of the problem, it won't be the motor.

Feb 25, 2016 | Vitamix 5200S Blender Package

1 Answer

Why doesn't my 2001 Ford Taurus have heat but the blower motor works but only blows cold air.


Is the coolant level full ? Are the heater hoses hot to the touch ? Do you know where the heater hoses are ? Out in the engine compartment going through the fire wall into the passenger compartment . 2 hoses , one carries hot coolant into the heater core the other is a return back to the cooling system . If hoses are hot you have a temp. door not working . When warmed up what does temp gauge show ?
Temperature Control
The temperature control operates in the following manner:
  • Temperature control of the manual A/C-heater system is determined by the position of the temperature control knob (between COOL and WARM).
  • This control knob is connected to a potentiometer mounted in the integrated control panel. This potentiometer is electrically connected to the A/C electronic blend door actuator that operates the A/C air temperature control door.
  • The A/C electronic blend door actuator contains a reversible electric motor, another potentiometer and a printed circuit board. The wiper of the potentiometer is connected to the actuator output shaft and moves with the output shaft to indicate the position of the A/C air temperature control door.
  • Battery voltage is applied to the ends of each potentiometer. The voltage available at each wiper indicates the position of the potentiometer. The printed circuit board drives the actuator in whichever direction is necessary to make the actuator wiper voltage agree with the control wiper voltage.
System uses a reheat method to provide conditioned air to passenger compartment.
  • All airflow from the blower motor (18527) passes through the A/C evaporator housing where it can be cooled and dehumidified.
  • Temperature is then regulated by reheating a portion of the cooled dry air and blending it with the remaining cool air to the desired temperature.
  • Temperature blending is varied by the A/C air temperature control door which regulates the amount of cooled air that flows through and around the heater core (18476), where it is mixed and distributed.

Feb 24, 2016 | Ford Cars & Trucks

1 Answer

The running bords on my 2008 Yukon stop working


Circuit/System Description
The assist step control module (ASC) controls the running board actuators to extend or retract the running boards. Each actuator consists of an electric motor and a potentiometer. The module supplies a low reference and 10-volt reference source voltage to the potentiometer. The ASC control module monitors the voltage drop across the potentiometer on the position signal circuit. When the actuator shaft rotates, the voltage on the position signal circuit changes. The ASC control module supplies the actuator motor with a 12-volt control circuit and a ground control circuit. The ASC module controls the direction of the actuator by changing the polarity of the control circuits.
You should take this to a ASE certified repair shop that has the diagnostic tools to check for stored DTC'S in the running board control module . A code reader for check engine light codes will not work for this system !
This system can set numerous DTC'S
?€¢
Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors
DTC B051A 0B: Left Side Assist Step Motor Control Circuit Current Above Threshold

DTC B051A 01: Left Side Assist Step Motor Control Circuit Short to Battery

DTC B051A 02: Left Side Assist Step Motor Control Circuit Short to Ground

DTC B051A 04: Left Side Assist Step Motor Control Circuit Open Circuit

DTC B051B 0B: Right Side Assist Step Motor Control Circuit Current Above Threshold

DTC B051B 01: Right Side Assist Step Motor Control Circuit Short to Battery

DTC B051B 02: Right Side Assist Step Motor Control Circuit Short to Ground

DTC B051B 04: Right Side Assist Step Motor Control Circuit Open Circuit

DTC B051C 01: 10 V Reference Circuit Short to Battery

DTC B051C 02: 10 V Reference Circuit Short to Ground

DTC B051C 2A: Left Side Assist Step Position Sensor Circuit Too Many Pulses

DTC B051C 22: Left Side Assist Step Position Sensor Circuit Low Time < Minimum

DTC B051C 29: Left Side Assist Step Position Sensor Circuit Too Few Pulses

DTC B051C 62: Left Side Assist Step Position Sensor Circuit Actuator Stuck Open

DTC B051C 63: Left Side Assist Step Position Sensor Circuit Actuator Stuck Closed

DTC B051D 2A: Right Side Assist Step Position Sensor Circuit Too Many Pulses

DTC B051D 22: Right Side Assist Step Position Sensor Circuit Low Time < Minimum

DTC B051D 29: Right Side Assist Step Position Sensor Circuit Too Few Pulses

DTC B051D 62: Right Side Assist Step Position Sensor Circuit Actuator Stuck Open

DTC B051D 63: Right Side Assist Step Position Sensor Circuit Actuator Stuck Closed
If you don't know how the system works you could make it worst !
You

Aug 16, 2015 | Cars & Trucks

1 Answer

Bush tv problems


There must be something wrong with the luminance circuits and potentiometers on the board at the end of the picture tube. It can be also that you need to degauss your picture tube. Try degaussing it before tampering with the potentiometers.

Feb 02, 2014 | Televison & Video

1 Answer

Wiring


Not sure about the actual voltage, but the primary power board shows 94 V @ 2A. As this appears to be a variable speed drive, the voltage amplitude should vary depending on the speed potentiometer setting. The most likely culprit is the speed potentiometer. Poor design causes vibrations on the printed circuit board. This induces metal fatigue in the potentiometer terminations at the board. Eventually one or more terminals snap off. You could try removing the pot and connecting the wiper termination connection directly to the relative end for full speed? This is assuming you want it to run at full speed? Failing that you could try variable resistance settings and then replace the pot with a fixed resistance for the required final speed?

Sep 14, 2012 | Dremel Multi Max Kit

1 Answer

My dremel is always in max speed


The most likely culprit is the speed potentiometer. Poor design causes vibrations on the printed circuit board. This induces metal fatigue in the potentiometer terminations at the board. Eventually one or more terminals snap off. If you are a whizz with a soldering iron you could remove the pot and then solder a new wire/s onto it and fasten it back onto the board?

Dec 09, 2010 | Dremel Multi Max Kit

2 Answers

Strike open light flashes and gate opens


it was a loose connection on the circuit board in the romote keypad

Sep 30, 2009 | Elite Sl 3000 Ul Sliding Gate Operator

1 Answer

Constant load noise when i switch my amp on


IT SOUNDS LIKE SOME COMPONENTS OR "PARTS" IN YOUR AMP ARE NOT CONNECTED TO THE CIRCUIT BOARD.
WHEN THESE AMPS ARE MANUFACTURED, SOMETIMES NOT ENOGH SOLDER IS PUT ON THE JOINTS.VIBRATIONS AND HANDLING THE AMP ROUGHLY MAY LOOSEN THESE JOINTS.

WARNING: DISCONNECT THE AMP FROM THE AC ( WALL.)

OPEN UP THE AMP.... CAREFULLY
CAUTION :DO NOT BEND THE "LEGS" OF THE LM 1875 TRANSISTOR THEY BREAK EASILY.
PUT THE SCREWS,NUTS AND WASHERS IN A BAGGIE.

LOOK CLOSELY AT THE SOLDER JOINTS.
ESPECIALLY WHERE THE POTENTIOMETERS ARE SOLDERED TO THE CIRCUIT BOARD.

THERE ARE THREE SOLDER JOINTS ON EACH POTENTIOMETER.
WITH YOUR SOLDERING IRON.. FLOW SOME HOT SOLDER ONTO THESE JOINTS.
START WITH THE GAIN 1 ..GAIN 2..TREBLE ETC.

THIS MAY SOLVE THE PROBLEM.
IF NOT,,,, YOU MAY HAVE A BROKEN POTENTIOMETER.
OR ... A BLOWN TRANSISTOR... LM 1875 IT IS THE ONE MOUNTED TO THE HEAT SINK.

ARITHEBASSPLAYER

Mar 25, 2009 | Marshall 15 Watt Guitar Amp

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