radiator fans don't come on automatically

540

Asked by Jun 07, 2014 at 08:55 PM about the 2000 Toyota Camry LE

Question type: Maintenance & Repair

The only way the fans come on is if the a/c is on or if I disconnect the wire to the coolant temperature switch at the radiator. I have replaced that switch recently with OEM that I got from Toyota.  This all started the front end of the car was bumped but no apparent damage.

12 Answers

104,235

Fans should not run all the time. They should only come on when ac/defrost is selected or when engine temp rises in slow/idle situations.

23 out of 23 people think this is helpful.
540

Fan does not come on engine gets hot.

51 out of 51 people think this is helpful.
60,095

Check the fan wire,s for loose connection,s or broke wires.It can also be a faulty part that you just replaced,toyota dealer,s get bad part,s to.

8 out of 8 people think this is helpful.
60,095

And one more thing,on your model,your fan runs off the head tempeture sensor,in the side of the head.That tell,s your fan when to cut on.

19 out of 19 people think this is helpful.
104,235

Good call. TST.

3 out of 3 people think this is helpful.
60,095

Dandy Certified : )

4 out of 4 people think this is helpful.
540

Thank you for the replies I'll check the sensor by the thermostat.

3 out of 3 people think this is helpful.
2,895

The relay is short if running all her time..if pull the wire off switch and ground it the fan comes on switch is bad.. Good luck relays are up in engine room fuse box

4 out of 4 people think this is helpful.
2,895

Replace engine relay with the. Other relay ac relay same switch relay That is problem just take wire off switch ground it if fan comes on Switxh is bad if not replace. Relay

1 out of 1 people think this is helpful.
540

The fans are working now I think I just didn't let it run long enough to get them to turn on.

104,235

Glad they working for you.

2,895

Bad fan relay pull the ac relay and plug it in it will come on

8 out of 8 people think this is helpful.

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