2005 Kia Sedona Non working cooling fan

Tiny
BACKLOTANIMATION
  • MEMBER
  • 2005 KIA SEDONA
  • 3.5L
  • V6
  • FWD
  • AUTOMATIC
  • 92,000 MILES
Water cooling fan not working. Checked fan and it works. Traced all the way back to relays. Popped cap on relay and man-triggered relay and fan comes on. Seams the power or ground to relay coil trigger not working. Could be a temp sensor or bad ground? I need way or a pin out sheet to test sensor and ground with meter. Not sure whats wrong but from the relays to the fans seams to be good so issue is before relays on the trigger or coil side of relays. Thanks for any help. By the way it's a LX model sedona.
Roy
Do you
have the same problem?
Yes
No
Monday, June 9th, 2014 AT 12:49 PM

5 Replies

Tiny
SATURNTECH9
  • EXPERT
It sounds like a bad coolant temp sensor from what you have said so far from what have said. The circuit from the relay to the fan so the relay is bad the coolant temp sensor or the fan control or its circuit. I would lean towards the coolant temp sensor.
Was this
answer
helpful?
Yes
No
Monday, June 9th, 2014 AT 1:20 PM
Tiny
BACKLOTANIMATION
  • MEMBER
Thanks Saturntech9, That is what I was thinking do to the fact the relay is not being triggered to close the fan relay switch. Would you know how to test the sensor with a meter. I know there cheap but I would like to know if its bad before shot gunning it with new parts. A pin out of the readings would help tons, i've not been able to find the data sheet online.
Thanks for your time and info,
Roy
Was this
answer
helpful?
Yes
No
+1
Monday, June 9th, 2014 AT 2:25 PM
Tiny
SATURNTECH9
  • EXPERT
You would measure its resistance and compare the resistance with the outside air your in on the chart if they show one for that car. But honestly the most accurate and best way to test was is use a infared temp and watch the temp of the cylinder head verus what the coolant temp says on the scan tool. That tests the coolant temp accuracy over the whole temp spectrum.
Was this
answer
helpful?
Yes
No
Monday, June 9th, 2014 AT 3:24 PM
Tiny
BACKLOTANIMATION
  • MEMBER
Thanks Saturntech9 for your input, it helped.
It was the water Temp Sensor, changed it out, works fine now. Did notice this sensor turns on the fan at a little bit higher temp than before, not much but a little bit, like 10-15 deg higher but still just a touch above the half way mark on the temp gauge in the dash. Thought I would note that so others know its ok to be a bit different temps with the new sensor. With the A/C on both fans work and the motor never heats past just below half way on the heat gauge in the dash. Over all easy fix once you get past figuring out whats going on. Cost- under 20 bucks to fix, saves spending 3,000 on a new motor if you let it go. I must say I own three Kias all bought new, Rio Cinco, Sedona and a Sportage 4wd. I've only had a few things that needed work. One a/c unit died in two months, dealer fixed no charge. Two batteries, one power steering pump and now this Sensor. So I would say as long as you take care of the Kias, there very good cheap transport. I will say all have there timing belts changed before every 60k miles 120k, 180k. Reg maint, oils changes every 3k or so and they just keep going. Very happy with all my Kia's. Only wish is that Kia would go to a gear timing and be rid of the timing belts and those issues forever.
Once more, Thanks Saturntech9

Roy
Was this
answer
helpful?
Yes
No
Wednesday, June 11th, 2014 AT 6:56 PM
Tiny
SATURNTECH9
  • EXPERT
Your welcome glad I could help.
Was this
answer
helpful?
Yes
No
Wednesday, June 11th, 2014 AT 10:03 PM

Please login or register to post a reply.

Recommended Guides