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lexpert, Lexus Master tech
Category: Lexus
Satisfied Customers: 2100
Experience:  Master Certified with lexus, 8 years experience with Lexus
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The single lights are not flashing and no break light, I

Customer Question

the single lights are not flashing and no break light
JA: Have you checked the brake light switch? How about the fuses?
Customer: I check the fuse looks good, thought it was maybe a relay
JA: What is the model/year of your Lexus?
Customer: 92 lexus sc400
JA: What year is your SL400?
Customer: 1992 Lexus SC 400
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I am Veteran and my first Lexus, check all fuse. The turn single come on but wont flash. I only chech fuses
JA: Anything else you think the mechanic should know?
Customer: no
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Lexus Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Lexus
Expert:  Chad Farhat replied 1 year ago.

Hi, I' m Chad. Welcome to JustAnswer. I' m reviewing your question now, and I will be post back with your reply ASAP

Customer: replied 1 year ago.
Thank you, ***** *****'t wan\t to park the car for the rest of summer cause of this problem.
Expert:  Chad Farhat replied 1 year ago.

that is no problem , we will figure it out if you help me :)

there is a relay called cornering light relay , i sent you location of fuse box and which one it is in that box, the relay box is driver side inside the cabin

we need to check this or replace , lets start here

please let me know

Thank You
Chad Farhat
ASE Certified Technician

Expert:  Chad Farhat replied 1 year ago.

it will be in R/B #5 , which is relay box number #5 , showing in the diagram

Customer: replied 1 year ago.
Hi! ChadIU just went to my Lexus, look under the driver side dash, nothing looking like what you send me? I have a fuse box under the dash with maybe 4 relay on it black and one flasher relay.
Customer: replied 1 year ago.
what is this one for?
Customer: replied 1 year ago.
when I went out to car I turn on the lights. The head lights came on, no rear tail lights or single lights, park lights?
Expert:  Chad Farhat replied 1 year ago.

that is the diagram lay out for 92 Lexus sc 400 , that is what you have right ?

the diagram even say on it, on top of the picture in the heading , for a 1992 lexus SC 400 ?

Customer: replied 1 year ago.
I replace the cornering light relay, nothing has change
Expert:  Chad Farhat replied 1 year ago.

do you hear relay clicking when you use turn signal ?

if relay is not clicking , then the problem will in the multipurpose turn signal itself it will be mounted on your steering

Customer: replied 1 year ago.
no clicking
Expert:  Chad Farhat replied 1 year ago.

the no clicking means no power from switch there is only a relay and no fuse , for it so if you replace relay and no clicking meaning no power to it

if you have a test light best to check power on the pins of the relay this way you confirm no power , coming from turn signal signal.

Customer: replied 1 year ago.
your saying before, R/B 5 which is relay box number #5 is the turn signal? Part number #85916F Relay
Expert:  Chad Farhat replied 1 year ago.

yes the relay is # ***** box , i don't know the number of relay it does not list it for me so i cant confirm the relay # ***** sent me , it will be in the location shown on diagram