radiator fans don't come on automatically

880

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.

17 Answers

122,655

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.

36 people found this helpful.
880

Fan does not come on engine gets hot.

83 people found this helpful.
75,275

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.

9 people found this helpful.
75,275

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.

25 people found this helpful.
122,655

Good call. TST.

6 people found this helpful.
75,275

Dandy Certified : )

8 people found this helpful.
880

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

4 people found this helpful.
3,785

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

7 people found this helpful.
3,785

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

3 people found this helpful.
880

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

1 people found this helpful.
122,655

Glad they working for you.

3,785

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

14 people found this helpful.
70

hello i have toyota camry 2009 when put the ac the fan is not working

3 people found this helpful.
70

hello my fan is not working when i put my ac on its 2009 yoyota camry

4 people found this helpful.
20

Fans going off and on and temp going up

2 people found this helpful.
30

Restarting this question... I have a 2000 camry 4 cylinder and am looking for the sensors and connectors mentioned in the above text. Where is the thermostat? And where is the head temperature sensor? What do I look for?

3 people found this helpful.
20

2 temp sensors on head on for ecu other for fan sense, which is which?

2 people found this helpful.

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