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TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old February 11th, 2018, 12:48   #136
barteczekk
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Got new turbo this can work with pwm https://drive.google.com/file/d/1Csv...w?usp=drivesdk
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Old February 11th, 2018, 13:09   #137
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3pin should be PWM. Power, Ground, and PWM signal. Some use 4 wires where the 4th is status feedback to ECU.

CAN would be 4 wire. Power, Ground, CAN High, and CAN Low.

VW/Audi (no electronics) style uses 5pin. Motor +, Motor -, Position Sensor Power, Position Sensor Ground, and Pisition Sensor Signal.
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Old February 14th, 2018, 10:16   #138
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Ok so its pwm. Some one could help edit my edc15p to get right pwm frequency.
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Old February 15th, 2018, 09:15   #139
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No one can help me with this?
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Old February 15th, 2018, 12:11   #140
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Looks like you don't have to do much...

Quote:
Originally Posted by Digital Corpus View Post
To revive an old thread:

I'm not done with my analysis of the various N75 PWM signals yet, but the ECU in my B4 (only know it as a FA ECU, but it's an EDC15V, right?) is capable of alternative PWM frequencies. Our stock B4 produces a 15.5 Hz signal and mine with a AFN tune produces a 300 Hz PWM signal. I've not check out a stock MK IV, but our '02 that was tuned by Leonard (Wild Rose) back in the day produced a clean 300 Hz PWM signal.

This leads me to believe it's reasonable to assume that the PWM frequency is capable of being adjusted in a tune on the newer TDIs. Anyone want to though a tune and see where this is stored?

So, if I've read everything right, all that is needed is a non-CAN controller and a proper wiring harness, no?
Quote:
Originally Posted by apomiett View Post
We tested the BMW PWM actuator with pulse generator and the working range was ~290Hz to ~310 Hz. Mercedes actuator is supposed to be ~140Hz. Both actuators have same part number so you have to know what car was it from. You can simply swap the cover from BMW ectuator to VW/Audi actuator and it will work with PWM. You will get CEL from incorrect resistance but that can also be disabled.
Quote:
Originally Posted by struikie View Post
I am running a BMW actuator with PWM @ 300hz indeed...
Johan got it running perfectly...

JW
Quote:
Originally Posted by ivohi View Post
If anyone interested then I got gtb turbo hella actuator working on my car. It is direct fit because takes pwm with frequency 300Hz like EDC15 outputs.

Hella part number 6NW 009 228

https://www.youtube.com/watch?v=9pZFT1GeIY4

No mods, no hassle
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Old February 21st, 2018, 11:17   #141
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This may turn out to be useful to convert one PWM base frequency to another, eg 140 to 300 Hz...
https://www.banggood.com/Square-Wave...r_warehouse=CN
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Old February 23rd, 2018, 04:13   #142
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Without knowing the signal requirements though, it is possible to try that board if it cannot source enough current if the electronic controller has the requirement of being driven by the signal. YMMV.
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Old February 23rd, 2018, 04:45   #143
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Here is the recipe for making an Audi GTB electronic conversion board:
https://www.pololu.com/product/1394
1J0973733
1J0973833
1J0973722
8d0973822

Jeep: 68087939aa - or use the VW equivalent which is preferred. Jeep connector is cheaper AND comes with wires, a piece needs to be removed for it to fit.

I don't have all the components in front of me to give you exact wiring but here is how it works.

N75 plug, one wire is +battery(T2/1), one wire is 0-12v signal(T2/2) from the ECU, a PWM signal. Add a ground wire to chassis.

+12v batt goes to VIN, the added ground goes to GND.

Put a fooler resistor(1k IIRC) across the two N75 wires so that the ECU is happy

Make up a voltage divider circuit to turn the 0-12v signal to 0-4.5v, that goes to the RX signal. .47v/v is what I used.

The 2x3 header on the JRK has a 5v output, groud, then feedback input - these go to the turbo connector, it has a 0-5v position sensor in it.
feedback: T6/4
+5v: T6/5
gnd T6/3

A and B on the JRK also goes to the turbo - this goes to the motor leads on the servo. Pins 1 and 2

From there, you get to play with the software, I don't know where my settings would be saved.
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