MAT input: choose the "BMW or NTC" option only if you want weak (2k7 internal) MAT-pullup, because you order (or already have) this or similar NTC-type MAT(IAT) sensor.If you have such an engine, make your project page(s) from wiki MembersPage so we can help verify the application, pinout and other aspects. Porsche (usually with 60-2 crankwheel VR sensor) tested with harness-adapter loom (with standard Econoseal36+18 VEMS and adapter outside).
Other engines already tested with VEMS motronic55 boxes: Normally similar config is uploaded in factory after hardware testing if not requested otherwise in the order note).īosch made many motronic ECU-s with this connector, but different (incompatible!) pinout for different carmakers. Following the instructions is required for support (if a support request includes the page URL, support will help, otherwise not until one follows the instructions - some useful data is really required so support can start review and help - often will request more specific measurements.)įor Audis, VemsTune/QuickStartAudi procedure helps to get an initial starting config (Note: "with cam-HALL" inverter is standard. By following the instructions you will have an editable page with some DVM measurements (Ohm and voltages), saved vemslog of startup attempts. COME BACK TO THIS PAGE WHEN YOU RECEIVE YOUR DEVICE. When installing the controller, click here for steps REALLY. "JPT55/pin5 = IGBT and +1 analog input on SSC6" However, at order time the following order comment can be useful for AAN/ADU/ABY : (Use this exact wording, please).īy default, the JPT55/pin5 (carbon-canister-valve control pin) is not connected. If you replace MAT sensor with an NTC-type sensor, write "weak (2k7) MAT pullup for NTC MAT" in the order note. The audi factory MAT (manifold air temperature)-sensor is PTC type, so 430 Ohm pullup resistor is used for better precision.
These use special "auditrigger" 3 sensor trigger system with the 135 tooth flywheel teeth VR, crankhome-VR and cam-HALL sensor. The Audi AAN (same pinout as the ABY / ADU) and the Audi 3B were the first applications (note that 3B has different pinout with only 1 ignition channel). We recommend VEMS ECU purchase from HERE or vems.hu resellers.īEFORE purchasing (claimed new or secondhand) VEMS motronic55 controller from third party, negotiate the serialnumber, and write the serialnumber ( vemstune displays serialnr on the statusline when connected) in the contract (and insist on void contract if serialnr was specified wrong).
VEMS v3.x ECU with Motronic55 connector and internal MAP sensor
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