Radiator fan not working when ECT sensor is plug

MARKLY

MEMBER
2012 KIA PICANTO
1.0L
3 CYL
2WD
AUTOMATIC
200,000 MILES

Hi, my car has a problem of radiator fan.
When the ETC sensor in plug in the fan won't kick in and my RPMs are around 2,000 RPMs, when I unplug the ETC socket the fan kick in and my RPMs are stable to normal.
any advice what is the issue?

i already change the new ETC sensor but nothing changed.

1 Reply

JACOBANDNICKOLAS

MECHANIC
108,230 POSTS

Hi,

First, this vehicle isn't offered in the US, so my technical information is very limited. However, I will try my best to help.

Since the fan motors are good and you replaced the ECT already, I need you to follow the wiring from the ECT to the control module. Also, follow it from the fan motor back to the control module. From what I've read, the wiring on these vehicles for the fan is very susceptible to damage.

Let me know if you find any issues. Also, confirm the connector at the ECT to make sure it isn't damaged and shorting when you connect it.

Here is a link you may find helpful:

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

Take care,

Joe

Radiator fan not working when ECT sensor is plug

1 Reply

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