Go Back   Club Lexus Forums > Lexus Model Forums > CT 200h Model
Sign in using an external account
Register Forgot Password?

Anyone with Precollision system (PCS) experience?

Thread Tools Search this Thread Display Modes
Old 05-14-14, 08:26 PM   #1
Driver School Candidate
Trader Score: (0)
gsarff's Avatar
Join Date: Mar 2013
Location: UT
Posts: 8
Default Anyone with Precollision system (PCS) experience?

I picked up my 2014 F-sport ultrawhite CT200h a little while ago, I got the radar cruise control and
the PCS warning system. I noticed an inconsistency in the manual, the text and the diagrams of
the button saying the system is enabled and disabled are not in sync with the pictures in the
manual and what the car actually does. I cannot get the dealer to figure this out and so I thought
I would ask here. I have read there are relatively few CT's with radar cruise and PCS, so the
audience is limited, but maybe someone might own another lexus with it too and so I thought
I would ask. The manual says this:

It has a clear picture of a button under the dash with a red arrow pointing in, labeled PCS OFF
and then it has numbered pictures of the button from the side labeled 1 and 2 saying 1 saying
PCS breaking is disabled, and 2 is PCS breaking enabled. Then the text says the PCS light
in the instrument cluster comes ON when the system is disabled. That should be when the
button is pushed in, according to the diagram. However on my CT the light comes on with the
button pushed OUT, not IN. The dealer service manager pushed it in, and said it was on.
yesterday I had about 1/2 a second before I came to an abrupt stop by my pushing on the brakes
during a stop on a major avenue due to traffic jam with a broken intersection light.. My fault, I
glanced away for just a moment, totally my fault. But the PCS didn't do anything and I thought it
would have by then, I was within about 10 feet of bumping the car in front of me, going maybe 10
mph. The lexus technology person who works at my dealer said her IS reacted with all the
warning tones and lights when someone pulled out in front of her on a street she was driving,
so I have heard what it is supposed to do. My question is, I guess, is the manual correct, or
incorrect about which is ON and which is OFF, since it is a feature on the car, I want to make
use of it, and have it on, but the manual is inconsistent and the dealer thinks one thing and I think
another. Any ideas? Can anyone read the Lexus engineer's minds, in which way such things
work on a lexus?
Thanks very much, I know this was a long post, I just wanted to be thorough. My car behaves
the exact opposite of the diagram below. The PCS light comes on when the button is OUT
not IN which the picture says is DISABLED.
This ad is not displayed to registered members.
Register your free account today and become a member on Club Lexus!
Attached Images
gsarff is offline   Reply With Quote
Old 05-14-14, 10:01 PM   #2
Trader Score: (0)
RXSF's Avatar
Join Date: Aug 2006
Location: San Francisco, CA
Posts: 9,908

If there is a PCS light on your dash, it means it is off. There should be no light, that means its on.

I am not sure if the Lexus PCS works at such low speeds
2011 RX450h, 2002 IS300, 2009 C350
Retired- 2004 RX330, 1999 RX300
RXSF is offline   Reply With Quote
Old 05-15-14, 04:15 AM   #3
Driver School Candidate
Trader Score: (0)
gsarff's Avatar
Join Date: Mar 2013
Location: UT
Posts: 8

Thank you for the reply. I guess the button labeling in the diagram is a typo by the documentation people.
I will not touch the button again.
gsarff is offline   Reply With Quote
Old 05-15-14, 08:37 AM   #4
Lead Lap
Trader Score: (0)
jhs82's Avatar
Join Date: Aug 2013
Location: Sweden
Posts: 607

10 mph is too slow. You'd have to get really close for it to brake, if it ever would brake at that speed.
Johan Sällman
2014 IS 300h "Alexis" Nebula grey / black + all options

Originally Posted by IntegresS View Post
most people don't read the signatures- might as well say "banana banana banana"
jhs82 is offline   Reply With Quote
Old 05-15-14, 08:37 AM

200h, ct, diagram, ls460, pcs, system

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
ES350 and PCS? cep55 ES350 and ES300h (2013+) 8 08-11-14 05:02 PM
Help! Pcs Check System Cruise Check System Errors! MacLS430KS LS430 52 07-18-13 11:05 AM
LS 460 pcs warning light and system fault triangle Shades LS460, LS460L and LS600h 6 04-16-13 03:54 PM
PCS warning after changing the front headlamps on LS 460 to LS 600h's temtrade LS460, LS460L and LS600h 10 10-24-12 04:39 AM
Dynamic Radar Cruise auto shut off rlj4246 GS - Fourth Generation 3 08-31-12 06:07 PM

All times are GMT -7. The time now is 04:58 AM.

Join ClubLexus

Copyright © 2000-2008 Internet Brands, Inc. All Rights Reserved
Privacy Policy | Disclaimer | Terms of Use | JOBS

Get all contact info