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Summary of change:
'''BMW M20B25''' ECU v3/18277 was ordered (oid 13967) without ETC option. '''Electronic Throttle Control''' (purchased [https://shop.vems.hu/catalog/bridgeoutputdriver-p-185.html Bridgeoutputdriver] ) '''ECU VEMS V3 v3/18277 specs''' * 1-wire interface: no * EGT input: no (added later) * '''ETC Bridge Output_Interface: 0''' * Flyback: High-Z-only 30V flyback * Hi-side PFET outputs: 0 * ignition driver: 8 IGBTs * Knock input channels: 0 * LCD connection: yes * MAP connection: offboard(electronic) * primary_trigger: EC36/27 VR * secondary_trigger: EC36/13VR * withSDcard: no (added later) '''Without factory ETC output in the ECU:''' * (near endplate, next to MAP sensor 6 pins) * unused injector output (not configured in injgroup) ** use an 1k .. 4k7 resistor when scoping ** or measure with DVM from (black probe=) 5V or 12V as a base. * NOTE: OC0 signal (pulled up by R154) inverted by an NPN transistor (R170 and Q17 => dedicated ETC output) or by FETdriver (injector output) ---- '''Injector PWM-ing (injector settings)''' * enabled (1msec 50..70%) for testing * disabled (25.5msec 100%) for production (when ETC is actually used) ---- '''URL references''' * [https://vems.hu/vt/help/v3/v3_electronic_throttle_control.html VT help] ** ETC ** injpwm ** other * GenBoard/VerThree/Schematic * other pages ** See FileArea ---- '''Config ... or vemslog... Please upload''' * ...
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