- Fuel supply.
- Control of glow plugs when starting the engine and while driving.
- Controlling the amount of fuel supplied when starting the engine and while driving.
- Management of emission of harmful substances.
- Boost pressure control.
- Compressor stop control (A9) air conditioner (under various operating modes to save the battery)
- Engine stop control.
- System diagnostics in accordance with the EOBD 2 standard
The control unit controls the following elements of the system.
- Starter relay (K40/9k5).
- Fuel pump relay (K40/9k6).
- injection pump (M41).
- Glow plug output stage (N14/2).
- Heating element vent line (R39/1).
- Exhaust gas recirculation actuator (Y27) for motor codes MF4 and MF8.
- Boost pressure control converter (Y31/5).
- Fuel pressure control valve (Y74).
- Fuel injector 1st cylinder (Y76y1).
- Fuel injector 2nd cylinder (Y76y2)
- Fuel injector 3rd cylinder (Y76y3)
- Fuel injector 4th cylinder (Y76y4)
- Air Shutoff Valve (Y83), for engines code MF4.
- Fuel quantity control valve (Y94).
During the operation of the system, the control unit receives information from the following elements of the system.
- Air flow sensor (by weight) (B2/5) for engines code MF4.
- Fuel pressure sensor in TKVD (В4/6).
- boost pressure sensor (B5/1).
- Camshaft position sensor (B6/1).
- - coolant temperature sensor (B11/4).
- Charge air temperature sensor (B17/9).
- Air filter outlet pressure sensor (828/5).
- Accelerator pedal sensor (B37/3).
- Universal oil condition sensor (B40).
- fuel temperature sensor (B50).
- Fuel filter water level sensor (B76) for motors with code KL5 (fuel filter with moisture separator).
- oxygen sensor (02) TWC (CAT) (G3/2) for engines code MF4.
- crankshaft position sensor (L5).
- Clutch Position Switch Sensor (S40/3) for vehicles with manual transmission 716.6.
Multiplex network CAN C communicates the CDI unit (N3/9) with the following systems and their elements.
- instrument cluster (A1).
- SRS airbag control unit (N2/10).
- ETC system control unit (EGS) (N15/3) for vehicles with automatic transmission 722.6.
- Electronic gear selector control unit (N15/5) for vehicles with automatic transmission 722.6
- ESP traction control control unit (N30/4).
- EIS air conditioning control unit (EZS) (N73).
Input/output plausibility control systems for the CDI control unit (N3/9) if any signal is not received on the basis of unreliability, substitute signals are generated in emergency mode.