High beam headlights are not working, multiple function switch replacement instructions and wiring diagram needed

If the high beams are the only thing not working then you are correct that the switch is the likely issue.

https://www.2carpros.com/articles/how-a-headlight-switch-works

I am attaching the info below but it basically tells you to look at the wiring/connections, dimmer switch or the headlight switch.

It is unlikely that the dimmer switch is causing only the hi beam issue so I would put my money on the lamp switch.

Please see the info below and let us know if you have other questions.

Thanks

Hi, I'm Dan.

I've attached a wiring diagram for the headlight circuit for US built cars. I've also attached the procedures for replacing the multi function switch as well as replacing the steering wheel.
This is from Toyota concerning air bag safety.

2. Work must be started after 90 seconds from the time the ignition switch is turned to the lock position and the negative (-) terminal cable is disconnected from the battery. (The supplemental restraint system is equipped with a back-up power source so that if work is started within 90 seconds of disconnecting the negative (-) terminal cable of the battery, the SRS may be activated.) When the negative (-) terminal cable is disconnected from the battery, memory of the clock and audio systems will be cancelled. So before starting work. make a record of the contents memorized by the audio memory system. When work is finished, reset the audio system as before and adjust the clock. To avoid erasing the memory of each memory system, never use a back-up power supply from outside the vehicle.



https://www.2carpros.com/articles/air-bag-removal-steering-wheel

Thank You for the info. I'm not sure what you mean by the "Light Control Switch". The headlight switch is part of the multiple function switch?

Yes. There are all sorts of names for this but basically the switch that turns the head lights on. Whether that is the multifunction, combination switch, head light switch, light control switch, etc.

If you are going to replace the switch, I think you are correct as that is the likely issue. Please let us know what questions you have or what you find with this.

Thanks

everything is great. Could you tell me the website you got these diagrams so i can print them in real size Thank you again, Walt

Unfortunately these are off of All Data and that is a paid subscription so if you don't have access to All Data then you won't be able to access them.

You should be able to right click on them and save them to your computer. Once they are saved you can open them and print them. Depending on the printer you have you may have to scale them a little but I have been able to print them with good success.

Please let us know if this doesn't work for you and we can try and find another work around.

Thanks