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03-19-2008, 10:38 PM | #1 | |
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You Want Heat in Your DeVille Now? Here's how with the push of a few buttons
How to get heat from your 90's De Ville center vents or getting heat when nothing else works due to a vacuum leak (no cruise control or brake release ability usually indicates a vacuum leak):
Enter Diagnostic Mode: To enter diagnostic mode, proceed as follows:
TROUBLE CODE DISPLAY: After entering On-Board Diagnostics, a segment check is automatically performed and then any trouble code stored in computer memory will be displayed. Codes may be stored for the Powertrain Control Module (PCM), Instrument Panel Cluster (IPC), Air Conditioning Programmer (ACP), Supplemental Inflatable Restraint (SIR), Traction Control System (TCS) or Road Sensing Suspension (RSS) systems. SELECTING THE SYSTEM:SELECT ACP After trouble codes have been displayed, a specific vehicle system PCM, IPC, ACP, SIR, TCS, RSS may be selected for testing. The first available system will be automatically displayed (i.e. PCM?). While selecting the system to test, any of the following actions may be taken:
SELECTING THE TEST TYPE: SELECT OVERRIDE ACP CODES Having selected a system, the first available test type will be displayed (i.e. ACP DATA?, ACP CLEAR CODES?, ACP OVERRIDE?). While selecting a specific test type, any of the following actions may be taken:
AS13 changes flap combinations but doesn’t give any more heat AS16 changes blower motor speed but doesn’t provide more heat AS19 doesn’t really do much of anything AS20 cycles the flaps in through all the AS13 combinations if you change the value to 99 but still no more heat Changing anything out of sequence resets everything up and you do not get heat. Again, no fixing vacuum leaks, servos, or controllers – just heat through the center vents – somewhere where it is not supposed to come out of but when your toes are frozen, do you care? Please share and post this information – my pleasure. My worry is that no one was able to crack these code overrides except for me. Why? Dr. VH Pashtenko (not an automotive technician, just a person with cold toes who was tired of hearing every excuse why this couldn't be fixed). |
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03-25-2008, 08:36 PM | #2 | |
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Re: You Want Heat in Your DeVille Now? Here's how with the push of a few buttons
How is blowing heat out the dash vents gonna warm up your toes? would you want it blowing out the floor vents.
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03-27-2008, 10:38 AM | #3 | ||
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Re: You Want Heat in Your DeVille Now? Here's how with the push of a few buttons
Quote:
Either way, it will also allow you to get some heat into an ice-cold car when nothing else works such as when your thermostat is stuck open (as mine is) or to check to see if your heater core is plugged (to avoid unnecessary core repair). Eventually, in freezing condition, it will blow air at about 48 - 52 degrees but, when you're freesing, this is better than no heat at all. |
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05-01-2008, 07:21 PM | #4 | |
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Re: You Want Heat in Your DeVille Now? Here's how with the push of a few buttons
PS:
AS13 changes flap combinations but doesn’t give any more heat AS16 changes blower motor speed but doesn’t provide more heat AS19 doesn’t really do much of anything AS20 cycles the flaps in through all the AS13 combinations if you change the value to 99 but still no more heat |
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12-29-2011, 05:59 PM | #5 | |
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Re: You Want Heat in Your DeVille Now? Here's how with the push of a few buttons
Good info to keep on hand! Thanks.
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