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Found 2 results

  1. mldc

    Water Pump PWM

    Hello, Our team doing some upgrades this winter. We have G4+ Thunder and PMU16 from Ecumaster. I would like to run water pump with pwm settings. I know that G4+ CAN can't transmit the pwm value, so I'm looking for alternative. Water pump: CWA200 PWM settings: Idea: 1. PMU16 feeds pump +12V when ignition is on. 2. I wire this to G4+ PWM signal Aux5 pin directly (high side) 3. I wire this pin to G4+ signal ground. (Or should I wire it to chassis ground?) 4. GND is wired to chassis ground. Working order: I turn the ignition and power goes directly from pmu to water pump. When RPM gets over 200 I feed 3ms of pw to wake up the pump from ecu. When car idles i send different signal to run the pump from ecu... Can someone confirm that my theory should work? Or I'm just wasting You time guys.. Huge thanks
  2. dp_tech

    Fuel pump control

    I want to use fuel pump controller from Audi RS4 p/n 8E0906071A(B) with Link G4+ (PlugIn Evo 9) to drive the Deatschwerks DW300 fuel pump. As I know the Audi RS4 engine control unit sends inappropriate PWM signal (frequency 20 Hz) to the fuel pump control unit. The control unit sends a PWM control signal (frequency 20 kHz) to the fuel pump, this info from car specific manual. So, if I set three stage PWM speed control option (80Hz 33/66/100% DC) and then set up FP Speed (Auxiliary Output) at 20 Hz (same like audi controller input signal), what the value shut be output from Link ECU 80Hz at 100% duty or 20Hz? May be someone has an experience with similar application or just use a simple control by resistor?
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