Question about 1990 Dodge Caravan
What do I do? I had the check engine light come on and go out a couple times. I checked the error codes it came up 3 3 5 5 but i figure that is 12 and 35 . 35 is fan control relay. Where do I start with that problem?? Thank You!!
Locate the Fuse Relay Box under the Hood and Locate the Fan Relay and Change it from this Box. The Diagram should be inside the Lid for the Box or in the Owners Manual. Please Rate My Response! Thanks!
Posted on Feb 05, 2009
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Posted on Jan 02, 2017
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Trouble Code: P1491 You PCM does not sense current to radiator fan when it turns it on. Is the fan coming on or not? Usually not when you have this code. Problem can be with the fuse, relay, wiring or fan itself. First check the fuse. If good, next try swapping the relay with another one in the engine compartment relay box, such as the horn relay.
Let the car warm up and see if the fan will come on. If yes, get a new relay. If not, either use a test light to see if there is voltage at the fan connector when the engine is on and hot, or else test the fan motor by hotwiring it to the battery. If none of this works, please get back to me for how to troubleshoot the wiring.
Radiator Fan Control Relay Circuit Malfunction
Radiator fan control relay circuit is open or shorted to ground Radiator fan control relay circuit is open (test power to IGN) Radiator fan control relay is damaged or has failed PCM has failed
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