Category: Resources

FAQ’s, Tech Articles etc

Resources, Tech Articles

Lexus IS300 ECU Pinouts

Someone had asked for these and I tracked them down, attached are both the ECU pinouts for the 2001 and also 2002-2005 Lexus IS300.

Disclaimer – I don’t take any responsibility for these diagrams, these do seem to be the factory pinout diagrams but I always like to double check / cross reference any wiring. Also I do not own a IS300 and can’t confirm these ECU pinouts.

2001_IS300_ECU_Pinouts

2002_to_2005_IS300_ECU_Pinouts
Wiring Diagrams can be found here – http://www.2jzgarage.com/2013/04/is300-wiring-diagrams/

Resources, Tech Articles

2JZGTE VVTi Coil and Igniter Diagram

After seeing an incorrect 2jzgte vvti coil and wiring diagram online I quickly put a simple one together that will come in handy! This is useful for working on the coils and igniter, please refer to more in-depth wiring diagrams when tracing wiring or working on more in depth wiring problems such as the VVTi wiring diargams you can find HERE.

Yes the coils are numbered 1,3,2!!!

I have confirmed this with IS300 workshop manual, Japanese wiring diagrams and also my own car.

2JZGTE_VVTi_Igniter_Coils

Blog, Tech Articles

2JZGTE VVTi Ignition Issues

***UPDATE – Never put the word resolved with car issues until you are 100% sure! I never really resolved the issue, the 2jzgte vvti igniter seems to have limitations, I ended up going to a LS2 LQ9 Coil setup, info on the kit and installation can be found HERE

Everything posted below is what I did to minimise the issue but I did start having ignition issues again, I’ve amended the post below with all the updated information. I’m going to change from the stock 2JZGTE VVTi coils, leads and DH61 igniter to the LS2 LQ9 coils and report back my findings. I think there is fundamentally an issue with pushing higher boost and power with the stock DH61 igniter***

Have ignition issues? Never under-estimate the importance of the correct spark plug heat range!

For a while now I have had varying levels of spark blow out or ignition break down at anything over 23psi which I though were just bad coil packs, here are some of the things that were occurring, what I replaced and what I did to resolve it;

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Resources, Specifications, Tech Articles

2JZGTE VVTi OBD Scanning and Information

While I had a stock engine and ECU I really strugged to find much information or tools to scan the 2JZGTE VVTi engine in my supra, standard OBDII tools did not seem to work. Some guys had tried and failed or got mixed results. I did find a guy in the UK that found out how, but it seemed one of his friends was a Toyota Mechanic and had access to an expensive scanner tool which wasn’t an option for me.

I’ve hopefully now found some basic information for the Toyota Supra 2JZGTE VVTi ECU;

-Is not OBDII compliant, it uses an JOBD compliant protocol as it’s a Japanese ECU –
-Uses a OBDII connector but requires a scan tool with correct software to read the correct protocol which is ISO 14230

It now seems like there is a cheap solution for reading the protocol; Thanks to Muzzytt on supraforums.com.au and Konrad on mkivsupra.net for sharing this information around on the forums.

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Resources, Tech Articles

IS300 2JZGTE VVTi Swap Manual

After reponding to a question on here I figured it made sense to host a link of this IS300 2JZGTE VVTi swap manual. Although I didn’t do the swap personally or own an IS300 I think it’s a great swap write up that applies to most late model 2JZGTE VVTi swaps and engine swaps in general.

The document also contains information I have provided over the years on supraforums and has pictures I have provided.

IS300 2JZGTE VVTi Swap Manual Download – IS300 2jz-gte Swap Manual

A big thanks to Indirocz28 from http://my.is/forums/.

As a side note please don’t reference the pinouts in the manual, if the author ever updates the word document with my new pinouts I will re-upload.

***UPDATE – IS300 ECU pinouts can be found here – http://www.2jzgarage.com/2013/04/lexus-is300-ecu-pinouts/ and IS300 Wiring Diagrams can be found here – http://www.2jzgarage.com/2013/04/is300-wiring-diagrams/

You can also still use the ones I have posted here for the 2jzgte vvti.

http://www.2jzgarage.com/2012/01/supra-2jzgte-vvti-ecu-pinouts-97-8-02/
http://www.2jzgarage.com/2012/01/supra-2jzgte-vvti-body-loom-pinouts-97-8-02/
http://www.2jzgarage.com/2012/01/supra-2jzgte-vvti-wiring-diagrams-97-8-02/

Resources, Tech Articles

Removing Pilot Bearing without expensive tools!

Last time I took out my pilot (or spigot) bearing the engine was out of the car, I think I used a long screwdriver and popped it out somehow. Now that I’m putting in my new triple plate Carbonetic Clutch with the engine still in the car that didn’t quite work, after some searching I came across a neat little (cheap) trick.

Don’t be fooled by those expensive pullers that can cost over $100, a piece of bread is all you need, yes a piece of bread.

Pilot bearing bread removal steps –

  • I had a loaf in the cupboard – multigrain – not sure if it was low gi or high in fibre but any old bread will do
  • Pulled the bread apart, stuck it through the centre of the bearing hole, kept stuffing it
  • Then used a small extension bar I had to push it in, compacting it more and more (you can use a bolt or rod in similar diameter to the hole)
  • In the end I gave it a few taps with the hammer and the pilot bearing started to pop out
  • In the end took me 5 mins or so, bread came out of centre hole and only thing I had to do was vacuum up some crumbs off the garage floor

Hope this tip helps for people in the future. Feel free to get creative with donuts or bagels, this guy on lexus forums had some fun with donuts –

http://www.clublexus.com/forums/performance-and-maintenance/522687-how-to-remove-pilot-bearing-with-a-doughnut.html