Injectors Not Working on Crank - Audi 200 (KG) Quattro

RicardoQuattro

Hello all!

I've installed everything and software wise it seems that everything is okay.
I can test the injectors and they work and there's fuel on the system.
On crank i noticed that the injectors are dry and they don't even click when trying to turn the key for cranking.
On Commander no errors appear.
I noticed too that the commander disconnects while trying to crank.
Could someone help me out?

Calibrations File:

jetronic-af26-20250804-025701-v412.imf

10kB

Log File:

log-jetronic-af26-v412-20250804-030337.csv

5kB

JHM

Commander shouldn't disconnect while cranking.
Check power connections.
Check if ECU power is still there while cranking

RicardoQuattro

Hello! Thank you for the help!
I have re-done the connections and now the ECU stays on while cranking.
But still the Inj Graph stays at 0.
Latest log can be found bellow, engine cranking starts at 00:00:33.794

log-jetronic-af26-v412-20250817-015926.csv

69kB

Thank you!

JHM

ECU power should be turned on/off with the ignition.
You have ECU powered all the time, it will cause multiple errors.

RPM readings are incorrect.
Either calibrations are messed up, or incorrect RPM signal connections.

RicardoQuattro

JHM
I've connected the ECU correctly now.
Regarding RPM and Inj Time still having some issues.
RPM:
Tested all the options on Commander but value stays 90/95 rpm and surely the cranking is doing more than that.
The RPM wire of the ECU is connected to the connector of the Engine Speed Senser which is working properly.
Injection Time:
Stays at zero independently of the option i choose for the RPM on the Commander.
The following logs are the latest:

log-audi-200-v412-20250825-010035.csv

51kB

log-audi-200-v412-20250825-014439.csv

10kB

These are the setting on the commander:

Being this the latest map:

audi-200-20250825-005318-v412.imf

10kB

Could you please help me out?

JHM

You still have no RPM signal.
I se you're using custom settings, so your setup is not standard.
Please tell me about all the changes you have made to the standard installation.

RicardoQuattro

I was using the "Custom Settings" so that i could choose/test the RPM signal.
Even using the Default Settings for Audi 5-Cyl Turbo the RPM can't be picked up correctly.
This car in terms of wiring/ecu is not the same as the ones using the MC.
KG engines use another ECU and the wiring is diferente.
I've connected the DH and AN correctly (accordingly) to the manual.
RPM (AN) is picking up the signal from the RPM/Engine Speed Sensor of the car.
Please advise.

Thank you!

JHM

AN can't pick up an RPM sensor signal directly.
Please connect it as per manual.