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Old 06-04-2013, 05:08 AM   #1 (permalink)
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Default 2001 v6 motor blower won't blow

I have a 2001 Santa Fe v6. The compressor comes on when motor switch is turned on (AC light comes on and cold air is forced through vents when driving) but no air blows independently.
I'd heard clicking in vents and blower would sometimes stop blowing the past 3 months but getting car up to high speeds would kick it into blowing.
I got behind glove box and found out I was missing a filter (thanks Jiffy Lube) so I vacuumed out tons of leaves and gunk. What do I do now? I can't get to third right screw on motor to just pop motor out.
Should I test voltage to motor? How would I do that? I have a voltage meter.
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Old 06-04-2013, 05:31 AM   #2 (permalink)
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Also:
since AC light comes on and I can hear compressor coming on I assume the switch is fine. Should I just start replacing fuses? Where is the 40 amp fusible link on the assembly?
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Old 06-04-2013, 01:09 PM   #3 (permalink)
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Leaheileen,
Sounds like you might have a few issues regarding your air flow. I will try to offer a couple of suggestions that may help. First, the fusible link you are looking for is in the engine compartment fuse and relay box. I will tell you that the fusible link that powers the blower is the same on that powers the a/c clutch you say works, so chances are good that the fusible link is not the issue. I would recommend you check fuse 9 in the passenger compartment, as it supplies power to the blower relay circuit. You might double check a couple of things before tearing into the system: After you verify fuse 9 is good or bad, know that the blower motor control switch has 4 positions, 1 through 3 are channeled through a resistive circuit that restricts current flow and allows different speeds. Position 4, high speed, bypasses the resistive circuit and allow full voltage to the blower. If the motor runs at full speed with the ignition switch on, perhaps the resistive circuit is bad. If the speed issue is constant across the board, suspect the blower relay might not be engaged. The blower relay should be coming on with the speed control switch and a/c vent selector switches going on. Does the blower not work when the heating part of the control system is selected? You may end up needing to verify conotrol voltage at the motor, but it is most likely lost enroute to the motor via fuse, relay, harness or connector.
If you are aware of the website below, ok, but if not, be advised it is a Hyundai site that has all you will want with regards to information:

https://www.hyundaitechinfo.com/

You will want to use Internet Explorer (IE)or a browser that has IE tab options. The Hyundai site is IE friendly only. You will find schematic diagrams, component locations, wire harness layouts and all the service
information for your vehicle you might need. Do check the fuse and see if
the high speed works, might need to verify the relay is working too. So, now
you have enough to get started, best of luck.
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Old 06-04-2013, 03:43 PM   #4 (permalink)
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Thank you for so much info!! I had found that site but couldn't get the agreement link to work. (Downloading IE now)
I will check the fuse 9 when I next look at it all.
Blower is out across all speeds in AC and heater.
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Old 06-04-2013, 06:40 PM   #5 (permalink)
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Leaheileen, turn the switch on to high and reaching down with your right hand give the bottom of the blower motor case a good open hand smack. The blower motor may be just stuck in a bad spot. I used this to "fix" my son-in-laws 2005 and the motor has running ever since.

Blower Motor Wont Run

Be Safe, Mark V.
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Old 06-04-2013, 07:00 PM   #6 (permalink)
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Default Fuse is good

Quote:
Originally Posted by Paul Miller View Post
Leaheileen,
Sounds like you might have a few issues regarding your air flow. I will try to offer a couple of suggestions that may help. First, the fusible link you are looking for is in the engine compartment fuse and relay box. I will tell you that the fusible link that powers the blower is the same on that powers the a/c clutch you say works, so chances are good that the fusible link is not the issue. I would recommend you check fuse 9 in the passenger compartment, as it supplies power to the blower relay circuit. You might double check a couple of things before tearing into the system: After you verify fuse 9 is good or bad, know that the blower motor control switch has 4 positions, 1 through 3 are channeled through a resistive circuit that restricts current flow and allows different speeds. Position 4, high speed, bypasses the resistive circuit and allow full voltage to the blower. If the motor runs at full speed with the ignition switch on, perhaps the resistive circuit is bad. If the speed issue is constant across the board, suspect the blower relay might not be engaged. The blower relay should be coming on with the speed control switch and a/c vent selector switches going on. Does the blower not work when the heating part of the control system is selected? You may end up needing to verify conotrol voltage at the motor, but it is most likely lost enroute to the motor via fuse, relay, harness or connector.
If you are aware of the website below, ok, but if not, be advised it is a Hyundai site that has all you will want with regards to information:

https://www.hyundaitechinfo.com/

You will want to use Internet Explorer (IE)or a browser that has IE tab options. The Hyundai site is IE friendly only. You will find schematic diagrams, component locations, wire harness layouts and all the service
information for your vehicle you might need. Do check the fuse and see if
the high speed works, might need to verify the relay is working too. So, now
you have enough to get started, best of luck.
So, I switched out fuse 9 with a known working fuse and blower still didn't blow. I tested the relay and the relay works just fine. Took motor out. Can I test motor with a 12v battery or does it require more voltage?
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Old 06-04-2013, 10:18 PM   #7 (permalink)
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12 volts will work, after what you have done, you might not be getting a good ground to the motor. The motor itself just might have bought the farm. Be sure to jiggle the connections to see if a loose one might be at one of them or in the motor connector itself. Will take another look at the schematics, your idea to hit it with 12 volts is good, let us know results.
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Old 06-05-2013, 02:29 AM   #8 (permalink)
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Default Motor good

Well, the motor was good. I am going to put in a new resistor tomorrow morning to see if that will help. I am thinking, since motor is fine, that the motor just isn't getting any power.
I will update when I get the new resistor in.
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Old 06-05-2013, 05:32 AM   #9 (permalink)
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After removing resistor the motor works wonderfully on level 4 of fan switch.
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Old 06-05-2013, 11:00 AM   #10 (permalink)
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Good troubleshooting leah. I suppose after the new blower resistor is installed, the blower will work in all 4 speeds. I suppose what we should have done is the following (Hind Sight): Disconnect the two pin connector, A29 from the blower motor and use the volt meter to measure the voltage across the pins for all the switch positions. Of course, the key needs to be in the on position and the mode switch anywhere but off. The voltages should look something like: Position 1 (6 volts) Position II (8 volts) Pos III (10 volts) and Pos IIII (12 volts). Anyway, congrats for you diligence and chasing the problem. You did good by cleaning out the junk, it might have been that build up that blocked the air flow and that just might have caused the Blower Resistor to overheat. When this smoke clears, go to the Hyundai
website and do yourself a favor and chase the problem through the schematic diagrams. Again, job well done.
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