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Where do the cables go from the hvac control panel

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1 Answer

How do I remove the center console where the heater control switches are located on a 2006 Pt Cruiser GT


DESCRIPTION A manual temperature control (MTC) single zone type heating-A/C system or a manually controlled heater-only system is standard equipment on this model, depending on market.
To maintain the performance level of the heating, ventilation and air conditioning (HVAC) system, the engine cooling system must be properly maintained. The use of a bug screen is not recommended. Any obstructions in front of the radiator or A/C condenser will reduce the performance of the A/C and engine cooling systems.
The engine cooling system includes the radiator, thermostat, radiator hoses and the engine coolant pump. Refer to 7 - Cooling for more information before opening or attempting any service to the engine cooling system.

All vehicles are equipped with a common heater, ventilation and air conditioning (HVAC) housing (1). The heating-A/C system combines heating, ventilating and A/C (if equipped) capabilities in a single HVAC housing mounted within the passenger compartment beneath the instrument panel. The HVAC housing includes:
  1. Mode-air doors (2)
  2. A/C evaporator (A/C system only) (3)
  3. Recirculation-air door and actuator (A/C system only) (4)
  4. Blower motor (5)
  5. Mode control cable (6)
  6. Temperature control cable (7)
  7. Heater core (8)
  8. Blend-air door (9)
On heater-only systems, the A/C evaporator is omitted from the HVAC housing and is replaced with an air restrictor plate.
Based upon the system mode selected, conditioned air can exit the standard heater-only or optional heater-A/C housing through one or a combination of the three main housing outlets: defrost, panel or floor. The defrost and panel outlets are located on the top of the HVAC air distribution housing and the floor outlets are located on each side of the distribution housing. Once the conditioned air exits the HVAC housing, it is further directed through molded plastic ducts to the various outlets within the vehicle interior. These outlets and their locations are as follows:
  1. Defroster Outlet- A single large defroster outlet is located in the center of the instrument panel top cover, near the base of the windshield.
  2. Side Window Demister Outlets- There are two side window demister outlets, one is located at each outboard end of the instrument panel top cover, near the belt line at the A-pillars.
  3. Panel Outlets- There are four panel outlets in the instrument panel, one located near each outboard end of the instrument panel facing the rear of the vehicle and two located near the top of the instrument panel center bezel.
  4. Front Floor Outlets- There are two front floor outlets, one located on each side of the center tunnel near the dash panel.
  5. Rear Floor Outlets- There are two rear floor outlets, one located on each side of the floor panel center tunnel near the front of each rear seat foot well.
  6. REMOVAL
    WARNING: Disable the airbag system before attempting any steering wheel, steering column, or instrument panel component diagnosis or service. Disconnect and isolate the negative battery (ground) cable, then wait two minutes for the airbag system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the airbag system. Failure to follow these instructions may result in accidental airbag deployment and possible serious or fatal injury.


    NOTE: Illustration shown with instrument panel removed for clarity. (Refer to 23 - Body/Instrument Panel/BEZEL, Instrument Panel - Removal).(Refer to 24 - Heating and Air Conditioning/Controls/CONTROL, A/C and Heater - Removal).(Refer to 23 - Body/Instrument Panel/COVER, Steering Column Opening - Removal). 5. Remove the screw (1) that secures the temperature control cable (2) to the left side of the HVAC air distribution housing (3). 6. Disconnect the temperature control cable from the blend door pivot lever (4) and remove the cable from the vehicle.
    REMOVAL

    WARNING: Disable the airbag system before attempting any steering wheel, steering column, or instrument panel component diagnosis or service. Disconnect and isolate the negative battery (ground) cable, then wait two minutes for the airbag system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the airbag system. Failure to follow these instructions may result in accidental airbag deployment and possible serious or fatal injury. (Refer to 24 - Heating and Air Conditioning/Controls/CONTROL, A/C and Heater - Removal).(Refer to 08 - Electrical/Clock - Removal).(Refer to 08 - Electrical/Power Windows/SWITCH, Power Window - Removal).(Refer to 24 - Heating and Air Conditioning/Distribution/OUTLET, Air - Removal).

Oct 31, 2016 | Cars & Trucks

1 Answer

What would cause it to die when I turn on A/C or heater?


Start by checking power an grounds at the control panel ,you'll have to take the plastic trim panel off to get the control panel out . You could have a bad HVAC panel ,
HVAC Control Module
The HVAC control module is a class 2 device that interfaces between the operator and the HVAC system to maintain air temperature and distribution settings. The battery positive voltage circuit provides power that the control module uses for keep alive memory (KAM). If the battery positive voltage circuit loses power, all HVAC DTCs and settings will be erased from KAM. The body control module (BCM), which is the vehicle mode master, provides a device on signal. The control module supports the following features:

Dec 17, 2015 | 2004 Chevrolet TrailBlazer

2 Answers

My heat on blows from the defrost how do i fix?


The heat/vent blend door that is located inside of the HVAC system behind dash..Rarely it is the control however it could be....Some of the vent door issues are recalls on certain vehicles."Also Blend vent door actuators that operate the doors can become inoperable...If it is the door inside the HVAC it will probably take about 8 hours to repair...Most vent doors either stick shut and or break..as well as actuators....Only a Dealer Scanner can tell exactly where the problem is.....

Feb 22, 2015 | 2008 Jeep Liberty

1 Answer

How to replace Dash light on temper control passenger side


Dismantling and mantling.
  1. Remove the I/P accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement (Refer To List 1) or Instrument Panel Cluster Trim Plate Bezel Replacement (Refer To List 2).
  2. Remove the HVAC control module screws.
  3. Depress the HVAC control module tabs (3) and remove the HVAC control module (2) from the I/P (4).
  4. Disconnect the electrical connectors (1) from the HVAC control module (2).

fix the module..... what ever.
and put it back
then see the last step.

Refer to Control Module References for programming and setup information.
then states
If the HVAC control module is replaced, an automatic re-calibration of all the actuators will occur. No additional procedures are necessary.

Jun 30, 2014 | 2006 Isuzu Ascender

1 Answer

Problem with dual zone heating only one side i check control thermost botton is ok


Sounds like the blend door actuator. It separates the driver and passenger side from getting air on the AZC system. Here are some instructions on replacing it:
The passenger side blend door actuator is used on all models equipped with Automatic Zone Control (AZC). This actuator is located on the front of the HVAC housing to the right of the floor panel transmission tunnel and cannot be removed from the passenger compartment without instrument panel or HVAC housing removal.

NOTE: This procedure is for AZC Systems (Passenger side only).

  1. Disconnect and isolate the battery negative cable.
  2. Remove the glove box door. See: Body and Frame\Interior Moulding / Trim
  3. Remove the lower I/P glove box door surround panel.
  4. Remove the dash assembly. See: Body and Frame\Interior Moulding / Trim\Dashboard / Instrument Panel\Service and Repair\Instrument Panel Assembly
  5. Remove the HVAC assembly. See: Housing Assembly HVAC\Service and Repair
  6. Unplug the wire harness connector from the blend door actuator.
  7. Remove the 2 screws that secure the blend door actuator to the HVAC housing.
  8. Remove the blend door actuator from the HVAC housing.
INSTALLATION - AZC (Passenger side only)


  1. In stall the blend door actuator on the HVAC housing and tighten the two mounting screws to 2.2 Nm (20 in. lbs.).
  2. Plug in the wire harness connector to the blend door actuator.
  3. In stall the HVAC unit into the vehicle. See: Housing Assembly HVAC\Service and Repair
  4. Install the instrument panel assembly into the vehicle. See: Body and Frame\Interior Moulding / Trim\Dashboard / Instrument Panel\Service and Repair\Instrument Panel Assembly
  5. Evacuate the HVAC system.
  6. Recharge the HVAC system.
  7. Connect and the battery negative cable.
Hope it helps! If you need more, just send me an email at familyguy77351 at yah I wil be glad to finish helping you with more detail.

Dec 12, 2010 | 2000 Jeep Grand Cherokee

2 Answers

How to replace the heater core in a 1998 gmc Yukon.


Heater Core Removal & Installation To Remove:
  1. Disconnect the negative battery cable.
  2. Drain the coolant from the engine.
  3. Recover the refrigerant.
  4. Remove the glove compartment.
  5. Remove the floor air outlet.
  6. If equipped with a diesel engine, remove the powertrain control module.
  7. Remove the kick panel trim.
  8. Remove the blower motor.
  9. Remove the steering column.
  10. Tilt back the instrument panel assembly.
  11. Remove the coolant recovery reservoir from the engine compartment.
  12. Disconnect the heater hoses and the evaporator tube.
  13. Remove the accumulator.
  14. Remove the fasteners and the HVAC module assembly.
  15. Remove the cover plate on the bottom of the HVAC module.
  16. Remove the heater core and seal from the HVAC module.
HVAC module mounting fastener locations gm-10-00-1003.gif

HVAC module components gm-10-00-1004.gif

To Install:
  1. Install the heater core and seal.
  2. Install the cover plate on the bottom of the evaporator case to the HVAC module.
  3. Install the HVAC module in the vehicle.
  4. Install the accumulator.
  5. Connect the evaporator tube and heater hoses.
  6. Install the coolant recovery reservoir.
  7. Install the instrument panel.
  8. Install the steering column.
  9. Install the blower motor and cover.
  10. Install the kick panel trim.
  11. Install the powertrain control module and tray.
  12. Install the floor air outlet.
  13. Add coolant to the cooling system.
  14. Connect the negative battery cable.
  15. Evacuate and charge the A/C system.
  16. Check the system for leaks.
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Nov 06, 2010 | 1998 GMC Yukon

1 Answer

How do I fix the light in the heater control?


The heater control will have to be removed and possibly disassembled to get at the bulb.

1995-98 Models
  1. Disconnect the negative battery cable.
  2. Remove the radio/HVAC controller cover by depressing the center pins inward to release the push pin fasteners. Be careful not to push the center pins all the way through the fasteners.
  3. Remove the push pin fasteners and pull the radio/HVAC controller cover rearward.
  4. If equipped, disengage the traction control/fog lamps/rear defogger electrical connector.
  5. Remove the radio. Refer to the Radio removal and installation procedure, later in this section.
  6. Disengage the electrical connectors behind the controller face. Remove the wiring harness clip from the module boss.
  7. Disengage the temperature and mode cables from the controller assembly by squeezing the lock tabs together while pulling the cable housing straight up. Pull the cables straight up to disengage them from the control lever pins.
  8. Remove the HVAC control panel screws, then carefully pull the panel forward and remove it from the vehicle. To install:
  9. Position the HVAC control panel to the dashboard and install the retaining screws. Tighten the retaining screws to 22 inch lbs. (2.5 Nm).
  10. Install the white temperature and black mode cables over the pins.
  11. Install the cable housings into the clip grooves, then push down to lock them into position.
  12. Reattach the electrical connectors to the back of the control panel face. Install the wiring harness clip to the module boss. Be sure that the wiring harness does not bind with control lever movement.
  13. Install the radio.
  14. If equipped, reattach the traction control/fog lamps/rear defogger electrical connectors.
  15. Install the radio/HVAC controller cover by pushing in at the clip locations.
  16. Install and lock the push pin fasteners.
  17. Connect the negative battery cable.
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Oct 26, 2010 | 1998 Saturn SL

1 Answer

Change evaporator 1996 cheve truck 1500 350


Removal & Installation To Remove:
  1. Disconnect the negative battery cable.
  2. Drain the coolant from the engine.
  3. Recover the refrigerant.
  4. Remove the glove compartment.
  5. Remove the floor air outlet.
  6. If equipped with a diesel engine, remove the powertrain control module.
  7. Remove the kick panel trim.
  8. Remove the blower motor.
  9. Remove the steering column.
  10. Tilt back the instrument panel assembly.
  11. Remove the coolant recovery reservoir from the engine compartment.
  12. Disconnect the heater hoses and the evaporator tube.
  13. Remove the accumulator.
  14. Remove the fasteners and the HVAC module assembly.
  15. Remove the cover plate on the bottom of the HVAC module.
  16. Remove the heater core and seal from the HVAC module.
  17. Remove the case cover from the HVAC module.
  18. Remove the evaporator core.
HVAC module mounting fastener locations gm-10-00-1003.gif

HVAC module components gm-10-00-1004.gif

To Install:
NOTE: If a new evaporator is being installed, add 3 fl oz (90 ml) of refrigerant oil to the new evaporator.
  1. Install the evaporator core.
  2. Install the case cover.
  3. Install the heater core and the seal.
  4. Install the cover plate on the bottom of the evaporator case to the HVAC module.
  5. Install the HVAC module in the vehicle.
  6. Install the accumulator.
  7. Connect the evaporator tube and heater hoses.
  8. Install the coolant recovery reservoir.
  9. Install the instrument panel.
  10. Install the steering column.
  11. Install the blower motor and cover.
  12. Install the kick panel trim.
  13. Install the powertrain control module and tray.
  14. Install the floor air outlet.
  15. Add coolant to the cooling system.
  16. Connect the negative battery cable.
  17. Evacuate and charge the A/C system.
  18. Check the system for leaks.
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Aug 14, 2010 | 1996 Chevrolet C1500

2 Answers

I changed the battery on 2006 Trailblazer SS. Now I can only get AC from my windshield and floor vents. Nothing from the dash vents. Also the temp control only gives coldest temp. I have checked fuses...


once you disconnect the battery your body control module loses power and memory you have to get some one with a scanner with reprogramming capabilities and have the computers reset ,dealer?

Aug 05, 2010 | Chevrolet TrailBlazer Cars & Trucks

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