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Radiator fan not working

Tiny
MUHAMMAD BASHEER
  • MEMBER
  • 2012 HYUNDAI GETZ
  • 0.8L
  • 3 CYL
  • 2WD
  • MANUAL
  • 30,000 MILES
I replaced relay and water cooler sensor. I connect 12 volts direct fan work. Relay contact I put jumber fan working. AC on fan working. When I run engine overheating not run fan automatically. Because that time relay coil supply not reached why I do not know. My car eon era+ model. Radiator fan and condenser fan are same one. So I can run car AC on condition without overheat engine. But cool season, also I need on AC this make low mileage. Please help me early as possible.
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Monday, August 6th, 2018 AT 4:28 AM

6 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,256 POSTS
Hello,

There are two relays that run the system you should test both. Here is a guide to help and the wiring diagrams to help you see how the system works. There is the fan motor, temperature sensor, relays and PCM.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

and

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken
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Tuesday, August 7th, 2018 AT 11:25 AM
Tiny
MUHAMMAD BASHEER
  • MEMBER
  • 4 POSTS
I changed already radiator fan, AC/ relay, water cooler sensor and checked fuse everything normal. Problem same like running. Now I need to change only ECU. Please give me the advice.
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Thursday, August 9th, 2018 AT 8:33 AM
Tiny
MUHAMMAD BASHEER
  • MEMBER
  • 4 POSTS
Radiator fan relay I changed but relay coil supply not reached when I short relays. No contact fan run normally I think one relay only control this radiator fan. Please help.
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Thursday, August 9th, 2018 AT 11:30 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,256 POSTS
It sounds like sensor fuse 10 is out. Can you check it? Also, if you checked the wiring and everything is good I would say the PCM driver that runs the fans is out which happens. Here is the location of the PCM you will need to have it programmed at a shop which should run about $130.00 US.

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Friday, August 10th, 2018 AT 10:33 AM
Tiny
MUHAMMAD BASHEER
  • MEMBER
  • 4 POSTS
My car I didn't use long time battery also down then I buy new battery then fuel pressure also low I change pump. Again no start I change spark plug now okay. First problem was radiator fan not working when I remove battery ECU automatically reset and fan now normal working my big problem solved without change ECU. Thanking you for your good help and advise.
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Sunday, February 3rd, 2019 AT 9:38 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,256 POSTS
Good to hear, please use 2CarPros anytime we are here to help.
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Sunday, February 3rd, 2019 AT 12:27 PM

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