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matt gray

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  1. thanks Vaughan the odd thing is it used to work perfectly fine
  2. ahh ok, handbrake is just to stop the wheels rotating while running. wheels stopped was showing 1.5v then released the wheels it spiked to 11.3v then 3.9v. With a led test light it would pulse when the wheels were rotating. thanks for that will definitely look into once I figure out why the ecu isn't picking up the signal. To test the wiring from dash to ecu I have run a wire direct from the input side with no change. I'm not sure if the DI on the board has potentially failed
  3. IMG_1196.MOV I did try the other day changing the pull up to on and no change. Testing first with a test light then volt meter there is definitely voltage been given to the ecu. Handbrake on was 1.5v then release handbrake and it changes. It does jump around a bit not sure if thats just the meter though
  4. HI guys, Issue with JZA80 supra with plugin ecu and r154 with speed sensor. Car was in storage for a couple years and recently back up running but I noticed that the ECU is now not receiving or reading a speed signal. It does have a new speed sensor fitted and I did have to extend the wires going to the sensor. The odd thing is the dash speedo still works fine. My understanding is this sensor feeds into the dash and then to the ecu. I thought it maybe the wiring from dash to ecu so ran a wire from the dash input direct to the ecu but no change. I have attached pic of the settings. They do have common fault where the dash has another speed sensor in it which usually fails and you splice the wire input from the sensor to the output to clear the dash fault and enables the signal to the ecu. I had to do this about 9 years ago and never had any issues since. Cheers Matt
  5. can confirm fault moved to cylinder 1. Will touch base with NZEFI tomorrow.
  6. Thanks Adam should have said have done the ignition test 1 - 5 were clicking and working fine and 6 nothing. But will try your suggestion of swapping out puts at ECU.
  7. Hi Guys Car - Toyota Supra JZA80 2jzgte ECU - Supralink plugin g4+ factory coils and igniter On my warm down lap (superlap hampton downs 4-12-16) the car randomly began to miss. Have found no.6 coil isnt sparking, move the coils around and still no spark on 6. Have replaced the igniter and still no spark. All wiring continuity and resistance measures fine. What signal should i be measuring at the igniter plug from the ecu? Im thinking it may be an issue with the ecu itself
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