lostsoul
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Posts posted by lostsoul
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Cold Start
in G4+
Hi, I finishing my cold start tune and seem to have got it mostly sorted except when I "blip" the throttle the rpm will hang above target for a second then drop to target. Any thoughts will be appreciated.
Attached is the .plcr and .llg files
https://www.dropbox.com/s/7x5q183ouucqic5/Nigels 300zxTT - Current.pclr?dl=0
https://www.dropbox.com/s/ddux99j0zdbya5q/Cold Start.llg?dl=0
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I f the bore size indicates a 6.5Hz target would using a 7Hz narrow band setting work or should I use the 13hz narrow bans or 4 - 10Hz wide-band ( which I find quite noisy )?
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Cheers
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I am using one of these https://www.nzefi.com/product/2-wire-remote-mount-idle-speed-control-solenoid-kit/ .... which "stepper motor" type should I be using ?
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Sweet
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Out of curiosity I took a Trigger Scope Capture https://www.dropbox.com/t/eyFLnrNMZV4RtLvF . On the bottom trace there are small marks ... anything to worry about?. There are no Trigger errors showing up unless I stall the engine and re-start too quickly and then I get "2" errors on startup.
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OK, it was also giving a power supply error message 73 and 99 and a .25volt system volts .... checked all connections, fuses and the pins going into ECU plugs. Also checked the PC Link software settings against a previous version (modification wise)... all base settings were the same .... still getting errors and not shutting down.
So, loaded the previous version that I checked against ... no problems at all !!!!!! ..... is it possible that for what ever reason the problem version had got corrupted some how ?
Anyway it's all working as it should now.
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Connected the Speedo input wire to aux2.
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Ok, since mucking around getting my speedo to work correctly the engine won't shut down. Obviously I have done something, where should I start looking? Cheers
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All working now, had to use 2.89 multiplier thou ?
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Ok, progress of sorts, I think .... found the wire which goes from the gear box speed sensor to the speedo. Disconnected from the gearbox sensor and connected it to aux 2. Set aux 2 to "test PWM", the speedo needle moves from zero to 70kph with the aux 2 frequency at 200hz. If I reduce the frequency to 35hz the needle will come back zero. Does this have any berrying on the "offset" and/or "max" frequencies in "Speedo Out" ?
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Just tried the test PWM thing .... all I get is a "knocking" sound from the front of the car, somewhere ? No changes to any frequencies or the multiplier get any response form the speedo.
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Na, speedo still not adjusting.
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Thanks Adam
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Like this ?
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4 x Wheel Speed sensors connected to DI 11,12,13,14 ... the gearbox speed sensor is currently connected to DI 4 and the Speedo is currently connected to aux 2 but most likely not with the correct wire as it turns out?
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Ok, I understand the yellow/green connection from the speedo to a aux out put, aux 2 in my case. With the DI, are you saying I should take a wire off say the wire connected to eg; DI 12 ( RF wheel sensor ) and connect it to DI 4 ( in my case ) and use DI 4 as the source for the speedo output ?
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OK ... there are 2 wires going from the gearbox speed sensor to the speedo, 1 = yellow with black strip and a blue one. I am assuming I tap into the Blue one and go from the gearbox to a DI and the other end the comes from the speedo going to a aux output ? . Pretty sure the yellow/black goes to ground.
There is a yellow/green wire goes from the speedo to the factory ecu ... assuming I ignore this one ?
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Will have look tomorrow ... almost positive ( without checking ) that the wiring is as per "example 1" in the help file.
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Ok, got it set to "test PWM" , which frequency do I try changing ? the option now showing in aux 2 or the one in "speedo out" along with the multiplier?
@ 200hz in the aux 2 test pwm box I get ticking/knocking noise from the Transmission Speed Sensor. Above this the noise stops and below the 200hz the noise frequency speeds up. At no time does the Speedo Needle move.
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Just tried this ... set aux2 to "gp pwm" then tried the multiplier and putting some numbers in the pwm table, not a flicker from the speedo needle.
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Yes, the Wheel Sensors showing the correct speed ... made the alterations as per the above circuit, adjusting the multiplier on aux out is still making no difference at the Speedo. I must be missing something.
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Cheers
Cold Start
in G4+
Posted
Thanks Adam, Made the timing 15' in all of 0% TP and is better.
https://www.dropbox.com/s/l2ja46c08cybrst/Idle Blip.png?dl=0