Go Back   Club Lexus Forums > Search Forums
Sign in using an external account
Register Forgot Password?

Showing results 1 to 25 of 477
Search took 0.30 seconds.
Search: Posts Made By: Yamae
Forum: LS400 Yesterday, 06:31 PM
Replies: 978
Views: 197,912
Posted By Yamae
ES300 series models were not sold in Japan. The...

ES300 series models were not sold in Japan. The model named Windom was an equivalent but only the body. The engine was different and I don't know much about ES300. But in the ECU, there must be...
Forum: LS400 Yesterday, 05:14 PM
Replies: 1
Views: 69
Posted By Yamae
The link below shows the waveforms of an...

The link below shows the waveforms of an alternator and the yellow lines are the ripple part.
http://jaguar.professional.org/Alternator.php

I worry that your alternator has some problem...
Forum: LS400 09-16-14, 06:38 PM
Replies: 978
Views: 197,912
Posted By Yamae
My intention is just extend the life of our...

My intention is just extend the life of our LS400/Celsior not to affect the global electronics supply chain.:p
But in the past I have strongly experienced that my little work has affected a lot to...
Forum: LS400 09-14-14, 08:44 AM
Replies: 11
Views: 301
Posted By Yamae
No, you don't need to worry about the ECU. It's a...

No, you don't need to worry about the ECU. It's a 90 JDM which is way too old to worry. There is a key number hidden at inside of the door and ask a Japanese dealer to cut the key showing an owner's...
Forum: LS400 09-12-14, 09:36 PM
Replies: 2
Views: 182
Posted By Yamae
Sounds like the shift lock control solenoid is...

Sounds like the shift lock control solenoid is latched mechanically or electrically. The first step is to distinguish it.

If it's electrically, I would check the stop lamp switch or the fuse to it...
Forum: LS400 09-12-14, 05:35 PM
Replies: 8
Views: 250
Posted By Yamae
Compared with the genuine Toyota UCF20/21CD...

Compared with the genuine Toyota UCF20/21CD service manual, ebscohost.com's one is not useful to me. May be because it's not for a JDM and the contents are not quite matched nor detailed. To maintain...
Forum: LS400 09-10-14, 12:51 AM
Replies: 12
Views: 313
Posted By Yamae
I worry about the off timing. Was the timing belt...

I worry about the off timing. Was the timing belt reinstalled correctly?
Forum: LS400 09-10-14, 12:42 AM
Replies: 32
Views: 1,001
Posted By Yamae
The report doesn't say any about it. So I don't...

The report doesn't say any about it. So I don't know it's synthetic or not.

There are some companies that sell their synthetic ATF claiming, "Compatible with Toyota T-IV". But as long as the T-IV...
Forum: LS400 09-09-14, 05:41 PM
Replies: 32
Views: 1,001
Posted By Yamae
The base oil is the same but the T-IV contains...

The base oil is the same but the T-IV contains more over-based Ca-sulfonate and friction modifiers (FMs) to match the slip-controlled lock-up clutch system. I have a R&D report regarding this but it...
Forum: LS400 09-05-14, 09:53 PM
Replies: 6
Views: 270
Posted By Yamae
Thanks for the report. This certainly will help...

Thanks for the report. This certainly will help others.
Congratulations on your success to fix the original problem as well as getting the noticeable increase in throttle response by the capacitors...
Forum: LS400 09-04-14, 09:53 PM
Replies: 7
Views: 435
Posted By Yamae
The chart below might be useful for you and some...

The chart below might be useful for you and some others. This is only for models 98-00 though.
Forum: LS400 09-04-14, 09:02 PM
Replies: 19
Views: 851
Posted By Yamae
Regarding the idle rpm, Toyota has changed the...

Regarding the idle rpm, Toyota has changed the ECU design in summer of 96. Below is from a JDM manual with added my English translations. It says,"To reduce the vibration, the idle rpm is changed as...
Forum: LS400 09-04-14, 05:45 PM
Replies: 19
Views: 851
Posted By Yamae
98-00 are targeting to be 750rpm sharp by the...

98-00 are targeting to be 750rpm sharp by the engine controls system. The value is at P or N with no AC, no light on.
Forum: LS400 09-04-14, 05:36 PM
Replies: 7
Views: 435
Posted By Yamae
It is quite unusual to have 650rpm in P. It...

It is quite unusual to have 650rpm in P. It should be 750 rpm sharp precisely because the ECU controls to be so. Something must be disturbing or blocking the path or the ECU or some others are out of...
Forum: LS400 09-03-14, 06:32 PM
Replies: 7
Views: 435
Posted By Yamae
I know some about the ECU control but I need to...

I know some about the ECU control but I need to confirm some more before I comment more.

You wrote that the car idled at 600rpm. Was it at D or P position of the AT shift lever?
When was the last...
Forum: LS400 09-01-14, 07:18 PM
Replies: 7
Views: 259
Posted By Yamae
Did you disconnect the negative terminal of the...

Did you disconnect the negative terminal of the battery while you install a new radio?
I have seen a similar problem with you. The person replaced it without doing so and damaged the unit.
Forum: LS400 09-01-14, 05:49 PM
Replies: 4
Views: 1,163
Posted By Yamae
These are from a JDM Manual written in Japanese...

These are from a JDM Manual written in Japanese and I simply translated them. Sorry for my limited English.

Code 12: Ambient temp. sensor
Code 21: Sunlight sensor (Passenger's side)
Code 22:...
Forum: LS400 08-31-14, 04:54 PM
Replies: 10
Views: 369
Posted By Yamae
The failure mode I know is the over current mode....

The failure mode I know is the over current mode. The quality of some aftermarket LED bulbs are terrible. Also there often happen some mistakes caused by owners when trying to install those LED...
Forum: LS400 08-31-14, 07:11 AM
Replies: 10
Views: 369
Posted By Yamae
You probably damaged the MPX door computer which...

You probably damaged the MPX door computer which is controlling the dome light too.
Unfortunately it can't be fixed just replacing a fuse or something similar. You need to replace the whole unit to...
Forum: LS400 08-23-14, 07:59 PM
Replies: 24
Views: 783
Posted By Yamae
Any programming is not needed but you have to be...

Any programming is not needed but you have to be capable to design circuits some.
Forum: GX - First Generation 08-21-14, 07:43 PM
Replies: 22
Views: 1,000
Posted By Yamae
I would simply check the neutral safety switch...

I would simply check the neutral safety switch attached to the AT unit before bark.
Forum: LS400 08-21-14, 04:45 PM
Replies: 978
Views: 197,912
Posted By Yamae
I don't think as you think. As far as I know,...

I don't think as you think.
As far as I know, any GX470 does not have those capacitors that contain infamous quaternaty ammonium salt in the ECU.
Forum: LS400 08-19-14, 02:42 AM
Replies: 9
Views: 300
Posted By Yamae
Was an NST continuity included in your basic...

Was an NST continuity included in your basic tests?
"No sound at all" is often caused by the NST.
Forum: LS400 08-18-14, 07:59 PM
Replies: 2
Views: 171
Posted By Yamae
Turn the ignition key on but do not start the...

Turn the ignition key on but do not start the engine. Wait until the VSC light turns off. It takes about 20 seconds.
Forum: LS400 08-18-14, 06:49 PM
Replies: 32
Views: 988
Posted By Yamae
I see. Your law is not quite up to date, I must...

I see. Your law is not quite up to date, I must say.
Incidentally, is there any brown substance in the coolant reservoir tank or does the engine oil dipstick have any brownish stuff attached?
Showing results 1 to 25 of 477

 
Forum Jump
All times are GMT -7. The time now is 01:34 AM.

Join ClubLexus
Advertising


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


Get all contact info