thermo fans

1989 TOYOTA CAMRY
250,000 MILES • 4 CYL • 2WD • AUTOMATIC
Avatar
ROCKONUGGET
  • MEMBER
  • 1 POST
what is the problem when you turn of ignition thermo fan keep,s on going how do you fix apart from disconnecting battery.
Jan 4, 2011 at 3:17 PM
Advertisement
Avatar
DOCFIXIT
  • ✓ASE Certified Mechanic
  • 18,828 POSTS
  • ASE Certified Mechanic
See diagram locate relay box underhood remove A/C relay #1 see if fan stopsif yes replace with A/C relay #2 does fan stay off if yes replace relay #1
Jan 4, 2011 at 3:26 PM
Avatar
KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Most probably the radiator fan relay is stuck in the closed position resulting in power being constantly being supplied to the fan motor.

Check the radiator fan relay # 1 at junction box # 2, left front of engine compartment. give it some knocks to see if fan turns off. Remove the

It is the relay marked D in diagram. Try swapping with F to see if it stops. F is the EFI relay so it has to be reinstalled to prevent battery draining.

Image (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Jan 4, 2011 at 3:44 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.