Question about 1995 Chrysler Cirrus

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How or what do I have to do to get the air to blow through the ac vents ? It only blows through the defroster...

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  • Master
  • 1,623 Answers

Hello nuttierthenu...Chrysler issued a TSB (technical service bulletin) on this problem to correct the issues it was having on the Stratus and the Cirrus.....
The mode door actuator, located in the A/C-Heater housing, is controlled by the Body Control Module (BCM) . When the operator requests a mode of operation, the BCM processes the signal from the control head and actuates the mode door to the proper position. How or what do I have to do to get the air to blow - 62486887.gif
The good thing is the Body Control Module (BCM) will store a DTC for this system but the bad thing is you need the Chrysler DRB scan tool to get them.
62486890.gif
There is a TSB out on this problem.
TSB NO: 24-12-95
GROUP: Heater & A/C
DATE: Aug. 18, 1995
SUBJECT:
HVAC System Stuck in Defrost Mode
MODELS:
1995 (JA) Cirrus/Stratus
SYMPTOM/CONDITION:
HVAC system stuck in defrost mode. May be intermittent.
DIAGNOSIS:
Check Diagnostic Trouble Codes (DTC's) in the Body Control Module (BCM). If no DTC's exist and vehicle is no longer stuck in defrost, perform all steps in the repair procedure (Steps 1 through 5).
For a "HVAC Mode Door Feedback Failure", proceed to step # 1.
For a "HVAC Control Head Input Shorted To Ground/Shorted To Battery", refer to the 1995 Cirrus/Stratus Body Diagnostic Procedure Manual (Publication No. 81-699-94029), Section 7.0, "Manual A/C System".
PARTS REQUIRED: AR 4864052 Wiring Connector Repair Kit, Mode Actuator Connector AR 4644834 Actuator, HVAC Mode AR 4856997 Body Control Module, Vendor Part, Order on DIAL Function 11 AR 4864311 Wiring Connector Repair Kit, HVAC Control Head Connector REPAIR PROCEDURE:
This bulletin involves testing and replacing the HVAC Mode Actuator/Connector, Control Head Connector, or Body Control Module as necessary.

  1. Check Mode Actuator connector (C215) for full insertion/locking into Mode Actuator and spread terminals. Repair as necessary. The terminals in question are referenced on Page 8W-80-27 of the 1995 JA Service Manual (Publication No. 81-270-5121). In connector C215 check cavities #2 through #4. A visual check is not sufficient. A .0044" pin gauge is required. Repair any spread terminals with wiring connector repair kit P/N 4864052. Replace HVAC Mode Actuator P/N 4644834.
  2. Check BCM P/N. If it is not P/N 4856997, replace. Proceed to step # 4.
  3. Check HVAC Control Head connector (C204) for full insertion/locking into Control Head and for spread terminals. Repair as necessary. The terminals in question are referenced on Page 8W-80-23 of the 1995 JA Service Manual (Publication No. 81-270-5121). In connector C204 check cavities #5 and #8. A .0040" pin gauge is required. Repair any spread terminals with wiring connector repair kit P/N 4864311.
  4. Check battery voltage. If not above 11.5 volts, charge battery. Check for charging system problems. Perform "On Vehicle Battery Test Procedures" as outlined in section 8A of the 1995 JA Service Manual.
  5. Assure ignition is off and key is out. Pull IOD fuse (10A, cavity #5 in Junction Block). Do not replace for a least 1 minute. This will clear all BCM faults and cause the HVAC to re-calibrate when ignition is turned to the "RUN" position.
There it is...Good luck...hope this helps, please rate me a fixya

Posted on Jul 24, 2009

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  • Chrysler Master
  • 5,568 Answers

The control for the vanes that direct air flow to where you want it may have failed. If it only exits via the defroster vents, which is where it should come out when set to 'Defrost,' then either the control isn't diverting it as it should or a vacuum hose has come loose (or cracked) under the dashboard.

Posted on Jul 24, 2009

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 37 Answers

SOURCE: Heat wont blow through heater or defroster vents

The door in the heater box is most likely stuck. It is located under the dash on the passenger side

Posted on Dec 06, 2008

philriden
  • 146 Answers

SOURCE: 1998 Mustang - AC blows only through Defrost vents

You probably have a vacuum leak on the passenger side. its a small plastic hose some times they come unpluged from the engine. or brake.

Posted on Jan 05, 2009

  • 20 Answers

SOURCE: Heat wont blow through heater or defroster vents

common problem, check under dash by the gas pedal if control arms are muving went selecting from ac to heat cuz this it is the control for the vents to go from ac to heat and to defrost.

Posted on Feb 23, 2009

  • 91 Answers

SOURCE: air will not blow out the vents

Sounds like the hvac doors are not moving when the dial is switched. These are usualy vaccum operated and the switch is under the dash behind the glove compartment. You probably need a service manual to know which lines run the door that controls where the air comes out, but you might only have a vaccum line pulled loose.

Posted on Mar 15, 2009

VWdan
  • 114 Answers

SOURCE: ac will not blow thru ac vents, only thru defrost vents.

if vent doors are operated by vacuum check for loose or broken vacuum hoses in the engine compartment , or check the fuse box for any ac/heat fuses if it is a electricaly controoled system

Posted on May 04, 2009

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