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Showing content with the highest reputation since 01/13/2021 in Posts

  1. Hi, My other car has been off the road for ages, and life has been in the way. So I thought it might be fun to just wire up my ECU into the Echo so I could have a play around with some tuning stuff again. It's a 1300cc economy engine so not going to set the world on fire. But a bit of fun. I need/want to revert it all to factory though, so I bought a spare ECU from wreckers and cut the plugs out to make a patch loom. This car has VVTI on the intake side, which means I could do my usual sweep through the vvti angles and see which delivers the most airflow into the engine.
    2 points
  2. Normal G4X has a different accel mode.
    1 point
  3. update on today progress, koracing, following your pointers, traced and found there is no wire in #37 in my miata, so I tested #50 assigned Aux3 in tacho setting, then switch the wire to #37 slot and managed to get it work, with a setting on HIGH side. Vaughan diagram is applicable to this 95' 1.8L Miata, no B/W wire on #37. Thank you very much, koracing and Vaughn for sharing the useful diagrams and valuable pointers. I'll work on the CEL next and noted on the knock sensor pull up.
    1 point
  4. Adamw

    Extreme and MGX dash.

    All data is sent on unique ID's, you tell each receiving device which ID the data is on. So for instance the dash will only be looking at data on the bus with an ID of 1000. The ECU will only be looking for data with whatever ID the EGT's are on.
    1 point
  5. Vaughan and Adam, Thanks for the advice and support
    1 point
  6. I have a map (a base map I have set up) saved with the first math block used to convert Lambda to AFR (gasoline) by multiplying Lamda1 variable a by 14.7. Equation: a*14.7 This works fine on the ecu I have connected while setting this up. If I save the tune, however, and then load it on a new ecu this no longer functions. I can get it to start working again if I go into the math function, play with it like by editing the equation (without making a change) and saving, and then it starts functioning.
    1 point
  7. With switches in "Other models" position, Trigger 1 is pin 42 or 52, Trigger 2 is pin 41 or 51. With switches in "R34" position, Trigger 1 is pin 41 or 51 and Trigger 2 is pin 42 or 52. So basically just trig 1 and 2 connections are swapped.
    1 point
  8. The DIP switches just swap the trigger 1 & trigger 2 pins with each other to suit the R34 CAS which is reversed compared to R32/33. Trigger 1 connected to pin 42 would be the normal R32/R33 wiring so the DIP switches would be set per the "Other models" config.
    1 point
  9. File compare doesnt show any differences. Can you do a short log of an attempted start with the new file.
    1 point
  10. Ok @Vaughan, my mistake then
    1 point
  11. Most likely valve float and the delay is the lifter bleeding down. That's if it's not an ECU setting.
    1 point
  12. You can still run the stock coils, you will just need an external ignitor. 2Channel if it is the 4 tower wasted spark coil, or 4 channel for COP. Often however it is just easier and cheaper to convert to some other coil with built in ignitors.
    1 point
  13. No. There is no ignitor on the OE coil
    1 point
  14. Will need a copy of your tune and a log of it happening.
    1 point
  15. Adamw

    Errors - MR2 PnP

    The communication errors are not faults, they are just debug information to help us when customers have comms issues. They are only present in PC Link and wont cause a check engine light or any fault record in the ECU. The Lambda error 16 & 33 are usually power supply related. This can be caused when they are connected to a circuit with lots of inductive noise on it - such as the same circuit as ignition coils or idle valve, or it can also be caused when the circuit is not capable of the required current (they can pull up to 8A under high loads etc). Assuming the wires are alread
    1 point
  16. Vaughan

    Evo G4X plugin

    A quick compare of the two shows the differences as trigger pattern and IC Spray setup, the trigger mode would be dependent on the cam trigger as the crank triggers are identical (different pattern of teeth).
    1 point
  17. Update to the latest firmware and do another log. Accel fuel function has been improved in newer firmware. Also, you should have 1.0 as the smallest number in your accel cold correction table. Zero above 70°C means you will get no accel enrichment when coolant is above 70°C.
    1 point
  18. To verify deadtime, you can set injection mode to multipoint group and switch the injection rate back and forth between 1 cycle and 1/2 cycle, while at constant fast idle. Lambda should settle to about the same value on either rate setting. If lambda changes when injection rate changes then adjust the deatime up or down until lambda is the same with either rate. Give it a few seconds to stabilize each time you make a change.
    1 point
  19. Hi there, i'm having trouble to get my engine start up. When i look into trigger scope, i think it is not as what it should be. Here is the screenshot of the trigger. My engine details and ecu type : Daithatsu K3-VET Trigger pattern 36-2 on crank 3 on camshaft Using Link G4+ Evo 3 Plug in. Trigger 1 is connected to crankshaft sensor, while trigger 2 is connected to cam sensor. Both are Variable Reluctance type sensor. Below is the diagram of my original ECU. I did my wiring as such that i connected N1+ (Crank Sensor) to pin 69 (Trig 1)
    1 point
  20. It's up to you to decide based on whatever it is you're trying to achieve, and what you want each ecu to do, or how active/functional you need the OEM ecu to remain. In general, 2 wire sensors/triggers cannot be shared 3 wire powered sensors can usually share a signal.
    1 point
  21. Fotis

    Subaru V4 STi

    How's everyone doing? Here is a vehicle that i have tuned (FworXtuning) of a customer. Made 345awhp and 56kgm torque at 1.7 bar boost . My first dyno tune how does the dyno graph look to you? Feel free to advice me Engine : EJ20K stroker 2.2L Eagle rods Mahle ceramic coated pistons Ihi VF43 stock turbo Stock cylinder head no porting Spec C top mount intercooler Tial 38mm external Fuel: D1 spec fuel regulator AEM fuel pump 355lph 105 RON fuel
    1 point
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