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The mkiv Supra Owners Club

Link Ecus At TB Developments


TBDevelopments

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I'm proud to announce that i'm now a link ecu dealer, so i can supply everything on the link catalog. But i thought this one would be ideal for the supra market.

 

Plug and Play G4+, Replaced the "guts" of your OEM ecu case with a fully mappable standalone ecu.

 

image

 

Features

G4+ PlugIn Key Features (Where Applicable)

 

Up to 6D fuel and ignition mapping

Precision closed loop cam control (four cam, independent control)

Sequential fuel delivery

Digital triggering, all OEM patterns

OEM idle hardware supported

5D boost control with three switchable tables

Motorsport features - antilag, launch, flat shift

Continuous barometric correction (on board)

CAN port

QuickTune - automated fuel tuning

Individual cylinder correction

USB tuning cable included

Stats recording into on-board memory

Gear compensations for spark, boost and fuel

Real time selectable dual fuel, ignition and boost maps

Sync and crank sensors can be a combination of Hall effect, variable reluctance or optical

Boost control referenced to gear, speed or throttle position

Up to 32Mbit internal logging memory

Staged injection

Knock with "windowing"

 

£1335.00 Delivered (UK)

(international orders welcomed, with additional shipping)

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they'll work fine with just the factory sensors but there are always extra sensors available if required with greater resolution. High pressure range on things like the map sensors for example.

 

PM me about prices buddy :) I'll do my best for you

 

Tim

TB Developments

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yeah i'm just getting to grips with what version works on what car. as jellybean says you need the fury and wire it in.

 

But the manual 2jzgte is a plug and play.

 

As for mapping i know lots of people who map these, most mappers can use them and the software is available free from the website

 

Tim

TB Developments

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Hi Tim

 

I was talking to Simon (Link Tech) , here'd a summary of the ECU's , might help with some Q's

 

http://forums.linkecu.com/index.php?/topic/5795-mk4-supra-ecu/#comment-42092

http://forums.linkecu.com/index.php?/topic/5601-help-on-which-ecu-to-run-mk4-supra/#comment-40815

http://forums.linkecu.com/index.php?/topic/1964-supra-plug-and-play-ecu/#comment-25535

 

You have two Options for manual cars (Nothing is available for Auto Trans to date)

 

  • Supra PNP kit (Based on the xtreme Link ECU) ,
  • For wideband control you will need to add any wideband controller with a 0-5V output . (i.e. Innovate LC2 or the MTX-L)
  • Plugin is intended for Supra's with single turbo conversions
  • Fury with built in Wideband controller (Uses Bosch LSU 4.9 sensor and loom-side plug/pin kit)
  • The Supra plug-in base-map can be loaded into the Fury. You will need to adjust the AN Volt, AN Temp, Digital Input, and Aux Output channels to suit.

 

  • The ECU Tuning Function Online Help included with the PCLink Software is very useful and installation looks very simple via the tutorial
  • The PNP kit is defaulted to Supra settings and has a Supra Base map
  • I have not come across a sensor the ECU requires , it will be up to your mapper if they suggest using a faster Sensor over OEM
  • Any wideband controller with a 0-5V out put can be used. (i.e. Innovate LC2 or the MTX-L)
  • Any temp sensor can be used but if you stick to the ones we offer the set up is easier. The Bosch sensor is the best but not so easy to mount.

 

VVTI Vesus Non-VVTI

The vvti motors use a different type of ECU loom plugs so the non vvti ECU doesn't physically plug in. Workaround is to use one of the universal ECU's and a fields-type adapter harness to make a plugin loom if you don't want to mod the stock ECU. Fury ECU is recommended for VVTI

 

 

Running Sequential Vs TTC(Turbos in Parallel)

 

For the twin turbo setup to work like factory, you will need to wire in all the control solenoids and then attempt to program the logic to control them like factory. Or you can do a simpler TTC setup which is easier to control electronically: http://mkiv.supras.org.nz/articles/andy.htm

The plugin only has the one output configure and is intended for parallel twins or a single conversion.

 

Sensors

 

The stock knock sensors, water temp sensor, Crank/Cam triggers all work with the link. The stock oil pressure switch is a bit useless, better off replacing it with a 150psi TI pressure sensor , the stock Toyota air temp sensor in the plenum with a faster acting sensor, the Fury uses the Bosch LSU 4.9 sensor and loom-side plug/pin kit

 

Engine protection strategies

I am looking through the engine protection strategies on the ecu tuning function online help and I don't see anything mentioned about knock , setting thresholds for oil, fuel pressure to trigger a limp home mode ; I know you can get an external Link Knock add on

 

Here is what listed under

 

Engine Protection

 

Engine Protection features are offered to reduce the risk of engine damage due to unexpected circumstances. The following conditions will invoke RPM limits:

 

 

· RPM Limit - Prevents engine RPM increasing beyond a specified value.

 

· MAP Limit - Prevents manifold pressure from exceeding a specified value.

 

· GP RPM Limit - Use configurable 3D tables for engine RPM limiting.

 

· Speed Limit - Prevents vehicle speed from exceeding a specified value.

 

· System Voltage Limit - Shuts down the ECU if system voltage exceeds a specified value.

 

Knock Control

 

Knock control can be setup to detect (and log) only, or to retard ignition timing when required. This is accessed through ECU Settings > Knock Control. The GP RPM Limit table axis are adjustable, so you can put oil pressure, fuel pressure, etc on these tables, and then control the allowed engine speed to make a limp home level. This is possible on the plug in ECUs provided they have the required input data.

The knock control will try to remove timing if set up but there are no limits around it to actually limit the engine.

 

Traction Control

 

The traction control needs a driven and non-driven wheel speed source.

Traction control on the Supra would need additional wheel speed inputs wired in. The frequency off the ABS sensor will be too high for the Di inputs. You need inputs will a lower tooth count to keep the frequency under 500Hz

 

Link Quick fuel tuning

'Quick Trim' (M key when on fuel table) is used to quickly get PCLink to make a change to the fuel table based upon the data you enter. 'Quick Tune' is a tool for helping you live tune the fuel table, it is more comprehensive than the Quick Trim.

Quick tune is tuning tool and as such I guess you could say it is VE tuning as you are tuning to suit the VE of the engine.

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