BMW M20B25
ECU v3/18277 was ordered (oid 13967) without ETC option.
Electronic Throttle Control
ECU VEMS V3 v3/18277 specs
- - 1-wire interface: no
- - EGT input: no (added later)
- ETC BridgeOutput_Interface: 0
- Flyback: HighZ-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 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.
Injector PWM-ing
- enabled (1msec 50..70%) for testing
- disabled (25.5msec 100%) for production (when ETC is actually used)
references
- VT help
- ETC
- injpwm
- other
- other pages
- See FileArea
Config ... or vemslog... Please upload
- ...