Radiator fans not working

Hi,

The fan will default to on with no signal from the sensor. Have you checked the fan relay? I realize you replaced the cooling fan module, but the relay could also be faulty.

Next, the Carnival isn't offered in the US, but I believe it is the same as our Sedona. So, that is where I am gathering my schematic/electrical info.

I attached the schematic below for the Sedona. Locate the relay on your vehicle and switch it with a different one having the same part number. If there isn't one, here is a link showing how to inspect one:

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

I attached the schematics I have below. I had to cut it in half to make it readable for you, but I did overlap them so you can follow from one to the next.

Let me know if this helps.

Joe

See pics below. Also, pic 3 shows the relay location.

Hi,

Do me a favor. If you look at the schematic below, I highlighted a fusible link that sends power for the fans. See if there is power at the white wire for the relay.

A fusible link looks like a wire, but functions as a fuse. Check that.

Joe

See pic below.

Hi,

Yes, the main relay needs checked. If there is a different relay with the same part number, switch them. If there isn't, here is a link that explains how to test a relay:

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

Let me know what you find.

Joe