The fan in my Sienna runs when the van is off, usually when it rains, and drains the battery. I had the relay replaced and the actual fan replaced and it happened again. My mechanic can't figure out why it's happening. He supposedly checked all the connections, but no luck. Any suggestions as to what the issue is? Thank you.
When you say FAN I presume you mean radiator fan. This will run if it thinks the engine is very hot. You may have noticed on a hot day the fan will carry on even when you take the keys out. In this case it could be the thermostat for the fan thinks it's too hot.
SOURCE: I own 2006 toyota sienna van, one cigarate charger doen't work which fuse shoud i need to check
Check the fuse marked "power outlet" on the fuse panel inside lower left of the dash, there may be more than one marked like this.
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My Sienna died again. Mechanic could not figure out why. He poured water on it to try and make the fan kick on, but of course, the problem didn't surface. I think it has to be electrical. Even if it's a shot in the dark, do you have any ideas?
Thank you.
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