2003 acura tl a/c heating help.
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2003 acura tl a/c heating help.
So my a/c and heating went out about two months ago. My a/c stopped working totally. Nothing works. I took it to a shop and they said to change the blower motor resistor. I bought it at an acura dealer for 62.xx. Installed the new one and nothing works. Can any one help?
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From: CT
Re: 2003 acura tl a/c heating help.
it would be nice if you describe your problem with more detail, sound like your blower motor is not coming on at all?
Even with a bad blower motor resistor, it should work on high setting
Even with a bad blower motor resistor, it should work on high setting
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Re: 2003 acura tl a/c heating help.
so about couple months ago i turned on my a/c and was working fine. Then i turned off my car to do something. Turned the car back on and everything stopped working. I turn on the a/c and the fans start moving but stops after a couple of secs. No cold air or heated air comes out. I replaced the blower motor resistor and still nothing. No air or heat nothing.
The shop said they only checked the basic part of the system and will charge me a 100 to check the rest.
The shop said they only checked the basic part of the system and will charge me a 100 to check the rest.
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From: CT
Re: 2003 acura tl a/c heating help.
Old Fart
Joined: May 2004
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From: kelowna, bc, canada
Re: 2003 acura tl a/c heating help.
I would check the blower motor itself, or the control head, [climate controls] specifically the blower motor speed control switch.
For the A/C to work, [A/C compressor to turn on] blower motor switch must work.
Try this, turn blower switch to any speed, turn A/C on, check and see if compressor engages, if not my guess is you have a problem at the blower switch.
I will have to pull a schematic for the heater/air conditioning system to suggest other tests to narrow down the problem.
The blower motor should be easy enough to test, there are only 2 leads, one will be power, [ign. in run] the other is the ground, confirm you have power to the motor then supply a ground, [jumper lead from chassis ground point] if blower motor works leave jumper in place and try the heat and A/C, if heat and A/C work, [back-feeding ground] then problem is the control head, [blower speed switch], even if heat and A/C do not work the problem may still be the switch, back-feeding the ground is not getting back far enough or is diode protected. 94
For the A/C to work, [A/C compressor to turn on] blower motor switch must work.
Try this, turn blower switch to any speed, turn A/C on, check and see if compressor engages, if not my guess is you have a problem at the blower switch.
I will have to pull a schematic for the heater/air conditioning system to suggest other tests to narrow down the problem.
The blower motor should be easy enough to test, there are only 2 leads, one will be power, [ign. in run] the other is the ground, confirm you have power to the motor then supply a ground, [jumper lead from chassis ground point] if blower motor works leave jumper in place and try the heat and A/C, if heat and A/C work, [back-feeding ground] then problem is the control head, [blower speed switch], even if heat and A/C do not work the problem may still be the switch, back-feeding the ground is not getting back far enough or is diode protected. 94
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