Notices
SC - 1st Gen (1992-2000)

Sc400 shift light auto

Thread Tools
 
Search this Thread
 
Old Nov 12, 2012 | 02:32 PM
  #1  
xrsracer's Avatar
xrsracer
Thread Starter
Pole Position
iTrader: (4)
 
Joined: May 2010
Posts: 268
Likes: 0
From: CA
Default Sc400 shift light auto

I tried to search for it but can't find anything in the forum but when I'm trying to reverse, I am able to go reverse but on my cluster my R is not lite up so that causes my reverse light not to come on. It sometimes happen to my drive too but when I go driving for a bit then it lights back up. Is there like something underneath the shifter that is causing this or something out of place or loose that is causing this? Thx for the help CL
Reply
Old Nov 12, 2012 | 04:22 PM
  #2  
Kalogerus's Avatar
Kalogerus
Lexus Test Driver
iTrader: (3)
 
Joined: Oct 2011
Posts: 1,064
Likes: 1
From: VA
Default

Check your fuses. The reverse bulbs arent receiving signal causing the indicator on the cluster not to come on and not the other way around.
Reply
Old Nov 12, 2012 | 07:31 PM
  #3  
xrsracer's Avatar
xrsracer
Thread Starter
Pole Position
iTrader: (4)
 
Joined: May 2010
Posts: 268
Likes: 0
From: CA
Default

I don't think it's the fuse cause later on a drive when I want to reverse the light on the cluster will come on and the reverse light will come on too in the tail light so it has to be something else. Something has to be out of place or loose then when driving it might be knocked into place by the car moving shaking from being so low or something.
Reply
Old Nov 14, 2012 | 08:52 PM
  #4  
xrsracer's Avatar
xrsracer
Thread Starter
Pole Position
iTrader: (4)
 
Joined: May 2010
Posts: 268
Likes: 0
From: CA
Default

Any other info anyone? Thx
Reply
Old Nov 14, 2012 | 08:56 PM
  #5  
Kalogerus's Avatar
Kalogerus
Lexus Test Driver
iTrader: (3)
 
Joined: Oct 2011
Posts: 1,064
Likes: 1
From: VA
Default

All I can tell you is inspect the wires starting with the easiest place, the tail light. Could be a loose wire somewhere. Let us know how it goes. Remember a DMM is your friend.
Reply
Old Nov 15, 2012 | 08:55 PM
  #6  
xrsracer's Avatar
xrsracer
Thread Starter
Pole Position
iTrader: (4)
 
Joined: May 2010
Posts: 268
Likes: 0
From: CA
Default

Will a loose wire cause the the light in the cluster and in the shifter not to come on causing the reverse light not to come on? Ill check what I think it might be.
Reply
Old Nov 16, 2012 | 01:41 PM
  #7  
Kalogerus's Avatar
Kalogerus
Lexus Test Driver
iTrader: (3)
 
Joined: Oct 2011
Posts: 1,064
Likes: 1
From: VA
Default

Ok let me clarify, I was installing a reverse camera once and I tapped a wire to the reverse light 12v+ and the other end to the remote wire on the unit instead of the reverse wire by accident. giving the reverse bulb in the tails constant signal which caused it to stay on as well as the R light on the cluster and the R light on the shifter. They're all connected and I assume only one of them gets the primary signal (I trust its either the shifter or the tail light.)

If the light comes on some times it means there is a loose wire somewhere, if its permanently off it means it doesnt get signal at all and it could be either a dead bulb that doesnt completes the circuit or a wire thats disconnected. Best way to go around this is to check wires with a DMM or a voltmeter. I'd start with the tails since they are the easiest to get to. I am leaning towards a loose wire from the transmission to wherever it goes (shifter or tail light). With electric stuff there is always a big margin of error, thus check every possibility starting with the easiest.

PS: If I remember correct the white wire on the tails bulb is ground and the red is hot.

Hope I helped. Good luck.
Reply
Old Nov 19, 2012 | 10:54 AM
  #8  
xrsracer's Avatar
xrsracer
Thread Starter
Pole Position
iTrader: (4)
 
Joined: May 2010
Posts: 268
Likes: 0
From: CA
Default

That's great info i appreciate all the help. Ill check that out and let u know he results. Thx
Reply
ClubLexus Stories

Celebrating Lexus & Toyota from Around the Globe

story-0

10 Lexus Designs That Have Aged Like Fine Wine

 Verdad Gallardo
story-1

8 Tips for Improving Your Hybrid or Plug-in Hybrid's Efficiency!

 Michael S. Palmer
story-2

10 Best Lexus Models No One Remembers

 Joe Kucinski
story-3

TRD Off-Road Premium: Best 2026 4Runner, Except This One Thing

 Michael S. Palmer
story-4

Top 10 Lexus & Toyotas to Drive Before You Die!

 Joe Kucinski
story-5

Top 10 Lexus/Toyotas With The LEAST 5-Year Depreciation

 Joe Kucinski
story-6

Lexus LC500 Convertible Auction: A Preview of Rising Values?

 Brett Foote
story-7

GX 550 vs TX 550: Best 3-Row Luxury Lexus Family Hauler

 Michael S. Palmer
story-8

9 Best Lexus Models You Can Buy for Half Price (And 1 You Shouldn't!)

 Joe Kucinski
story-9

2026 Lexus NX Buyer's Guide: Models, Features, Prices & More!

 Brett Foote
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Xica
LS - 1st and 2nd Gen (1990-2000)
2
Jul 15, 2014 10:37 AM
stvnmj
SC - 1st Gen (1992-2000)
3
Aug 23, 2012 02:49 PM
se_bb2
SC - 1st Gen (1992-2000)
8
Jan 22, 2010 07:40 PM
G LEXUS
Lighting
16
Jun 25, 2007 02:15 PM
BigRich
Lighting
1
Apr 30, 2003 04:58 PM




All times are GMT -7. The time now is 12:47 AM.

story-0
10 Lexus Designs That Have Aged Like Fine Wine

Slideshow: Some luxury cars chase trends, but these Lexus models look better now than they did when they first rolled into showrooms.

By Verdad Gallardo | 2026-05-06 17:58:29


VIEW MORE
story-1
8 Tips for Improving Your Hybrid or Plug-in Hybrid's Efficiency!

Slideshow: How to Get the Best Fuel Economy with a Hybrid and Plug-In Hybrid!

By Michael S. Palmer | 2026-05-05 20:54:44


VIEW MORE
story-2
10 Best Lexus Models No One Remembers

Slideshow: 10 best Lexus models no one remembers.

By Joe Kucinski | 2026-05-05 17:33:28


VIEW MORE
story-3
TRD Off-Road Premium: Best 2026 4Runner, Except This One Thing

Slideshow: diving into 4Runner TRD Off-Road Premium's pricing, performance, fuel economy, features, and amenities!

By Michael S. Palmer | 2026-04-23 13:09:18


VIEW MORE
story-4
Top 10 Lexus & Toyotas to Drive Before You Die!

Slideshow: the 10 Lexus and Toyota vehicles you need to drive before you die.

By Joe Kucinski | 2026-04-23 10:34:24


VIEW MORE
story-5
Top 10 Lexus/Toyotas With The LEAST 5-Year Depreciation

Slideshow: Top 10 Lexus/Toyota models with the lowest 5-year depreciation rate.

By Joe Kucinski | 2026-04-08 12:19:06


VIEW MORE
story-6
Lexus LC500 Convertible Auction: A Preview of Rising Values?

The LC hasn't even disappeared from the Lexus lineup yet, and we're already seeing signs of an explosive market.

By Brett Foote | 2026-04-06 09:25:02


VIEW MORE
story-7
GX 550 vs TX 550: Best 3-Row Luxury Lexus Family Hauler

Slideshow: comparing the pricings, specs, power, fuel economy, fun-factor, and features of the GX 550 Luxury+ and TX 550h+ Luxury.

By Michael S. Palmer | 2026-03-19 13:44:11


VIEW MORE
story-8
9 Best Lexus Models You Can Buy for Half Price (And 1 You Shouldn't!)

Slideshow: 9 best Lexus models you can buy for half price and 1 you should avoid

By Joe Kucinski | 2026-03-19 12:01:07


VIEW MORE
story-9
2026 Lexus NX Buyer's Guide: Models, Features, Prices & More!

Here's everything you need to know about the latest NX.

By Brett Foote | 2026-03-19 11:56:59


VIEW MORE