The cooling fan of the engine is not functioning. Could I have the wire diagram for the cooling system?
Feb 27, 2025 at 7:28 PM
Cooling fan not functioning, wiring diagram for the cooling system needed?
2001 TOYOTA SIENNA
BLESSING EWOBOR
- MEMBER
- 754 POSTS
- FOLLOW
Advertisement
Hi,
Before tearing into the circuit, run power directly to the fans to make sure they are functional. If they are, keep in mind there are three relays. I just took a look and from what I'm seeing, fan relay 1, located in under the hood in the engine compartment, must work for the other two to get power. I would start there.
I attached the wiring schematic below for you. I had to cut the pic in two to make it readable. I did overlap the two so you can follow from one to the next.
I hope this helps. Let me know if you have questions.
Take care,
joe
See pics below.
Before tearing into the circuit, run power directly to the fans to make sure they are functional. If they are, keep in mind there are three relays. I just took a look and from what I'm seeing, fan relay 1, located in under the hood in the engine compartment, must work for the other two to get power. I would start there.
I attached the wiring schematic below for you. I had to cut the pic in two to make it readable. I did overlap the two so you can follow from one to the next.
I hope this helps. Let me know if you have questions.
Take care,
joe
See pics below.
Images (Click to enlarge)
Feb 28, 2025 at 8:39 PM
Thank you very much.
Mar 1, 2025 at 8:48 AM
Advertisement
JACOBANDNICKOLAS is one of our best, let us know if you need anything else.
Mar 3, 2025 at 10:27 AM
Thank you.
Mar 4, 2025 at 11:04 AM