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3 posts in this topic
By James Trendall
So after a long time away working on my RX8 i've come back to my Lexus IS200 daily. I'm currently looking for a complete ECU diagram for each wire.
I'm looking for,
12v ignition wire,
RPM signal wire,
Crank shaft sensor wire
Ground (Most likely use a bolt in the engine bay for this.)
I've searched online all day with nothing but gibberish coming up and dead links.
I've found countless IS300 diagrams which seem to be different. I've tested and failed.
Has anyone got a list for the 4 plugs on the top of the ECU? It would be very handy.
EDIT: After sifting through tons of pictures i think i have a part list of what i need.
Working from front to back of the car i have,
12v power seems to be from Plug A Pin 1
RPM seems to be from Plug A Pin 12
Crank Angle Sensor seems to be from Plug E pin 23
Ground most likely to the chassis.
Can anyone confirm if i'm anywhere close to the correct pins/plugs? This is all i can workout looking at random diagrams online which seem to be part complete or taken from SXE10 engines which are 100% different apart from the power.
So yesterday I got this check VSC light on with engine management and yellow skidding sign in the Dash. This was right after getting into the car after an hour of parked up at the gym. so engine was half warm i would say.
No issue with the performance though. Still need to check the fuel cap and see if it has any effect on it.
Also booked in with Aberdeen Lexus as I have extended warranty till end f this year.
Any possible reason for this dreaded light to be on?
Newbie and Know Nothingbie......any help greatly appreciated.
My check engine light has appeared for the very first time since I owned the car (6 years and 40,000 miles) so I'm unsure if I need to take it to an official dealer or a regular mechanic to diagnose the fault.
The car appears to run ok for the very journey I did to get it home.
Fault: "VSC" (Vehicle Stability Control) and "VSC off" warning lights stay on
Car: 2nd Gen Lexus GS430 (UK - right-hand drive vehicle) - 2004 model
How did the fault arise?
Car ran out of fuel just short of a petrol station. I put it in neutral and manually pushed it, just a bit. After filling up and switching on, the warning lights came on, and ever since then, these warning lights have stayed on. They were never there prior to this pushing - 100% certain.
What have I tried to do since?
In the central console (between the front seats) there is a button to switch VSC off. That has no effect at all.
I have tried disconnecting the battery for 30 minutes. Each time on reconnection, the warning lights come back on almost immediately.
I have looked for the OBD-II connector, because I read that shorting out pins 4 and 14 of this connector might clear the fault. This connector is supposed to be near the boot-release (trunk-release), but I cannot find it. I have peered underneath and looked for any panel, and used Google Images, to no avail.
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