Question about 1998 Chevrolet Malibu

1 Answer

Air conditioning switch goes off and on while recirculating air

Turn on air condition switch with recirculating inside air
turn on blower
recirculating switch changes automatically to outside air
air conditioning switch goes on & off
What seems to be the proble

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  • 82 Answers

If I understand correctly the A/C light goes on and off. If so, try to gently push the switch to the side(Not in) while the A/C is on. If this keeps the system working, you need a new control assy(Complete control head)

Posted on Jun 22, 2009

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Posted on Jan 02, 2017

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How do you get the heater to work on a 2003 Chevy venture mini van


When you change the mode from floor to vent to defrost do you hear switching taking place behind the dash or inside ?

Air Delivery Improper

Test Description
The numbers below refer to the step numbers on the diagnostic table.
The measured voltage should be near the specified values for each mode position.
The HVAC control module is supplied by two ignition 3 voltage circuits. Test the ignition 3 voltage circuit that does not supply the blower motor switch.
Step
Action
Value
Yes
No
Schematic Reference: HVAC Schematics
Connector End View Reference: HVAC Connector End Views
DEFINITION: Air does not flow correctly from the air distribution outlets.
1
Did you perform the HVAC Diagnostic System Check?
--
YES - Go to Step 2
NO - Go to Diagnostic System Check - HVAC Systems - Manual
2
Turn ON the ignition, with the engine OFF.
Place the blower motor switch in the OFF position.
Is the blower motor OFF?
--
YES - Go to Step 3
NO - Go to Blower Motor Always On
3
Place the blower motor switch in each speed position.
Does the blower motor operate at all?
--
YES - Go to Step 4
NO - Go to Blower Motor Inoperative
4
Does the blower motor operate in each speed position?

YES - Go to Step 5
NO - Go to Blower Motor Malfunction
5
Except for the blower motor speed, are all of the functions of the HVAC control module inoperative?
--
YES - Go to Step 14
NO - Go to Step 6
6
Place the blower motor switch in the maximum speed position.
Place the mode switch in the vent position.
Place the recirculation switches in the recirculation position and in the outside air position.
Does the recirculation door move to the correct position for each selection?
--
YES - Go to Step 7
NO - Go to Air Recirculation Malfunction
7
Place the blower motor switch in the maximum speed position.
Place the mode switch in each position.
Is the air flow sufficient from the correct outlets in each mode?
--
YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
NO - Go to Step 8
8
Inspect the air distribution system for the following conditions:
• A dirty HVAC air filter, if applicable
• An obstruction to the air flow
• Air leaks
• Misaligned air ducts
Did you find and correct the condition?
--
YES - Go to Step 23
NO - Go to Step 9
9
Inspect the mode door and the mode actuator for the following conditions:
• A misaligned mode actuator
Refer to Mode Actuator Replacement .
• Broken or binding linkages or mode door
• An obstruction that prevents the mode actuator from operating within its full range of motion
• Missing seals to the mode door
• Misaligned seals to the mode door
Did you find and correct the condition?
--
YES - Go to Step 23
NO - Go to Step 10
10
Turn OFF the ignition.
Disconnect the mode actuator.
Turn ON the ignition, with the engine OFF.
Probe the ignition 3 voltage circuit of the mode actuator with a test lamp that is connected to a good ground.
Does the test lamp illuminate?
--
YES - Go to Step 11
NO - Go to Step 20
11
Test the ground circuit of the mode actuator for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES - Go to Step 23
NO - Go to Step 12
12
Measure the voltage from the mode door control circuit of the mode actuator to a good ground.
Place the mode switch in each mode position while observing the voltage.
Does the voltage measure near the specified values for each mode position?
Vent 0.2V, Bi-Level 3.0V, Floor 6.0V, Mix-Blend 9.0V, Defrost 12.0V
YES - Go to Step 18
NO - Go to Step 13
13
Test the mode door control circuit of the mode actuator for an open, high resistance, short to ground, or short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES - Go to Step 23
NO - Go to Step 19
14
Test the ignition 3 voltage circuit of the HVAC control module for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES - Go to Step 23
NO - Go to Step 15
15
Test the battery positive voltage circuit of the HVAC control module for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES - Go to Step 23
NO - Go to Step 16
16
Test the ground circuit of the HVAC control module for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES - Go to Step 23
NO - Go to Step 17
17
Test the off blower motor control circuit of the HVAC control module for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
--
YES - Go to Step 23
NO - Go to Step 19
18
Inspect for poor connections at the harness connector of the mode actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
--
Go to Step 23
Go to Step 21
19
Inspect for poor connections at the harness connector of the HVAC control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
--
Go to Step 23
Go to Step 22
20
Repair the ignition 3 voltage circuit of the mode actuator. Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?
--
Go to Step 23
--
21
Replace the mode actuator. Refer to Mode Actuator Replacement .
Did you complete the replacement?
--
Go to Step 23
--
22
Replace the HVAC Control module. Refer to HVAC Control Module Replacement .
Did you complete the replacement?
--
Go to Step 23
--
23
Operate the system in order to verify the repair.
Did you correct the condition?
--
System OK
Go to Step 8

Mar 14, 2017 | Mini Cars & Trucks

1 Answer

Fault finding


HEATING AND AIR CONDITIONING
HONDA CIVIC 2001 - 2005

How to retrieve DTC:

The heater control panel has self-diagnosis function. To run the self-diagnosis function, do the following:
    1.Turn the blower fan OFF.
    2.Press and hold the recirculation control switch and the rear window defogger switch down.
    3.Turn the ignition switch ON (ll).
    4.Release both switches. The recirculation indicator and the rear window defogger indicators come on. The recirculation indicator goes off 3 seconds later and the A/C indicator comes on, then the self-diagnosis will begin. About 10 seconds later, the self-diagnosis will finish and the A/C indicator goes off.

    If any trouble is found, the recirculation indicator blinks the diagnostic trouble code (DTC) to indicate a faulty circuit or component.
    If the system is ok, the recirculation indicator stays off.


Aug 19, 2013 | Honda Civic Cars & Trucks

1 Answer

Blinking AC button of Honda Civic 2003


HEATING AND AIR CONDITIONING
HONDA CIVIC 2001 - 2005
How to retrieve DTC:
The heater control panel has self-diagnosis function. To run the self-diagnosis function, do the following:
1.Turn the blower fan OFF.
2.Press and hold the recirculation control switch and the rear window defogger switch down.
3.Turn the ignition switch ON (ll).
4.Release both switches. The recirculation indicator and the rear window defogger indicators come on. The recirculation indicator goes off 3 seconds later and the A/C indicator comes on, then the self-diagnosis will begin. About 10 seconds later, the self-diagnosis will finish and the A/C indicator goes off.
- If any trouble is found, the recirculation indicator blinks the diagnostic trouble code (DTC) to indicate a faulty circuit or component.
- If the system is ok, the recirculation indicator stays off.

DTC TROUBLESHOOTING INDEX
DTC (Recirculation indication blinks) Detection Item Page
7An open in the air mix control motor circuit.21 - 16
8A short in the air mix control motor circuit.21 - 16
9A problem in the air mix control linkage, door, or motor.21 - 17
10An open or short in the mode control motor circuit.21 - 18
11A problem in the mode control linkage, doors, or motor.21 -19
12A problem in the blower motor circuit.21 - 20
13A problem in the EEPROM in the heater control panel;
(THE CONTROL PANEL MUST BE REPLACED).21 - 38
14An open in the evaporator temperature sensor circuit.21 - 23
15A short in the evaporator temperature sensor circuit.21 - 24
- In case of multiple problems, the recirculation indicator will indicate only the DTC with the least number of blinks.
- In case of an intermittent failure, the heater control panel will store the DTC until the ignition is turned off.

Mar 17, 2013 | 2003 Honda Civic

3 Answers

My fan blower motor only works on high,They say it maybe the resistor may be bad, where is it ? Thanks, Jim


Hi, the resistor is screwed to the side of the blower housing behind the glove box. See procedure below to replace the resistor. You don't have to complete all steps in the procedure. just work your way to the point that you can unscrew the resistor. Please let me know if you have questions, and thanks for using FixYa.

1990-93 Accord

See Figures 2, 3 and 4
  1. Disconnect the negative battery cable. If so equipped, disable the Supplemental Restraint System (SRS).
  2. Remove the glove box.
  3. Remove the glove box frame (lower support)

jturcotte_1481.gif

Fig. Fig. 2: Remove the glove box and frame

  1. If not equipped with air conditioning:
    1. Remove the three screws and remove the heater duct.
    2. Remove the blower mounting nuts. Unplug the wiring from the blower motor, resistor and recirculation control motor, then remove the blower assembly.

  2. If equipped with air conditioning:
    1. Lift the carpet in the passenger compartment. Remove the side cover (kick panel).
    2. Remove the control unit bracket nuts; unplug the five connectors and remove the control unit bracket.
    3. Remove the retaining band, then remove the blower lower covers. Do not break the tabs on the lower covers.
    4. Remove the retaining nuts and remove the blower assembly.
jturcotte_1482.gif

Fig. Fig. 3: Air conditioned models require the removal of the control unit. Handle it carefully


jturcotte_1483.gifjturcotte_418.jpg

Apr 04, 2011 | 1993 Honda Accord

2 Answers

I cant find the blower motor


If you mean the climate control blower motor, it's usually under the dash on the passenger side on Hondas.

1990-93 Accord
  1. Disconnect the negative battery cable. If so equipped, disable the Supplemental Restraint System (SRS).
  2. Remove the glove box.
  3. Remove the glove box frame (lower support) Fig. 2: Remove the glove box and frame 86806004.gif

  4. If not equipped with air conditioning:
    1. Remove the three screws and remove the heater duct.
    2. Remove the blower mounting nuts. Unplug the wiring from the blower motor, resistor and recirculation control motor, then remove the blower assembly.
  5. If equipped with air conditioning:
    1. Lift the carpet in the passenger compartment. Remove the side cover (kick panel).
    2. Remove the control unit bracket nuts; unplug the five connectors and remove the control unit bracket.
    3. Remove the retaining band, then remove the blower lower covers. Do not break the tabs on the lower covers.
    4. Remove the retaining nuts and remove the blower assembly. Fig. 3: Air conditioned models require the removal of the control unit. Handle it carefully 86806005.gif
      Fig. 4: Remove the lower covers from the blower unit 86806006.gif
      To install:
  6. Install the blower unit and tighten the retaining nuts.
  7. On air conditioned vehicles:
    1. Install the lower covers and the retaining band.
    2. Install the control unit bracket and carefully engage the wiring connectors to their proper location.
    3. Install the kick panel and reposition the carpet.
  8. Connect the wiring to the blower assembly. For non-air conditioned vehicles, install the air duct and tighten the screws.
  9. Install the glove box frame and install the glove box. Note that some of trim on the frame is held with 2-sided tape; replace the tape when reassembling as necessary.
  10. If applicable, enable the SRS.
  11. Connect the negative battery cable.
1988-91 Prelude
  1. Disconnect the negative battery cable.
  2. Remove the glove box and frame (lower support).
  3. Remove the 4 screws and remove the heater duct. Fig. 5: The glove box and frame are secured by several small screws 86806007.gif

  4. Remove the 3 mounting bolts.
  5. Unplug the wiring connectors from the blower motor, resistor and recirculation controller. Remove the blower motor assembly.
  6. Reinstall in reverse order. Make certain the blower mating surfaces are tightly sealed.

Jan 08, 2011 | 1992 Honda Accord

1 Answer

Where is the air conditioner blower fan relay on 1996 Jeep Grand Cherokee located?


The blower fan relay is located in the fuse box on the driver's side fender-well. A Jeep Cherokee uses an electric fan as an auxiliary fan for engine cooling and for cooling the air conditioning condenser when the air conditioning is in operation. A radiator temperature-sensing switch that activates the fan relay at 198 degrees F turns the fan on and controls its operation. The temperature drops when the vehicle is in motion and the switch turns the fan off. When the air conditioning system is in operation, the air conditioning relay supplies power to the fan relay via a fan diode downstream from the ignition switch. This diode activates the fan relay and keeps the fan operating as long as the air conditioning is on. Thanks. you can rate this solution and show your appreciation.

May 18, 2010 | Cars & Trucks

3 Answers

Air feels cool, but not blowing enought air


I worked at a Dodge dealership for a while and 9 out of 10 times this is due to the recirculation door being broken, allowing hot air from outside to enter the cab of the truck. The dashboard will need to be removed to access the area.

Sep 18, 2009 | 2006 Dodge Ram

2 Answers

2005 Saab 9-3. I have a rattling sound coming from inside the air conditioning system on nearside vent. It only started when I pressed the recirculate button as I was behind a very smelly truck. Now it...


saab tech
it needs a recirculation motor i do them all the time
its behind the glove box
sound like loud clicking when the recirc button is hit

Jun 07, 2009 | 2004 Saab 9-3

1 Answer

Air and heater


  1. Disconnect the negative battery cable.
  2. Remove the glove box.
0900c1528005f9e2.jpgFig. 1: The blower motor assembly is secured to the right side of the dashboard
  1. Remove the duct between the blower and heater box.
  2. Unplug the wiring connector and the vacuum hose from the blower.
  3. Remove the three mounting bolts and remove the blower assembly.
  4. Install in reverse order, tightening the mounting bolts to 7 ft. lbs. (10 Nm). Make certain the blower mating surfaces are tightly sealed. Install the blower duct; make certain there is no leakage at its joints.
1990-93 Accord
See Figures 2, 3 and 4
  1. Disconnect the negative battery cable. If so equipped, disable the Supplemental Restraint System (SRS).
  2. Remove the glove box.
  3. Remove the glove box frame (lower support)
0900c1528005f9e3.jpgFig. 2: Remove the glove box and frame
  1. If not equipped with air conditioning:
    1. Remove the three screws and remove the heater duct.
    2. Remove the blower mounting nuts. Unplug the wiring from the blower motor, resistor and recirculation control motor, then remove the blower assembly.
  2. If equipped with air conditioning:
    1. Lift the carpet in the passenger compartment. Remove the side cover (kick panel).
    2. Remove the control unit bracket nuts; unplug the five connectors and remove the control unit bracket.
    3. Remove the retaining band, then remove the blower lower covers. Do not break the tabs on the lower covers.
    4. Remove the retaining nuts and remove the blower assembly.
0900c1528005f9e4.jpgFig. 3: Air conditioned models require the removal of the control unit. Handle it carefully 0900c1528005f9e5.jpgFig. 4: Remove the lower covers from the blower unitTo install:
  1. Install the blower unit and tighten the retaining nuts.
  2. On air conditioned vehicles:
    1. Install the lower covers and the retaining band.
    2. Install the control unit bracket and carefully engage the wiring connectors to their proper location.
    3. Install the kick panel and reposition the carpet.
  3. Connect the wiring to the blower assembly. For non-air conditioned vehicles, install the air duct and tighten the screws.
  4. Install the glove box frame and install the glove box. Note that some of trim on the frame is held with 2-sided tape; replace the tape when reassembling as necessary.
  5. If applicable, enable the SRS.
  6. Connect the negative battery cable.

Oct 16, 2008 | 1990 Honda Accord

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