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6E–40 4JH1 ENGINE DRIVEABILITY AND EMISSIONS GENERAL DESCRIPTION FOR ECM AND SENSORS Engine Control Module (ECM) The engine control module (ECM) is located flower • Control of the exhaust gas re-circulation (EGR) • Control of the quick on start (QOS) glow control system • Control of the A/C compressor • Execution of the immobiliser function Pump Control Unit (PSG) & Data Exchange The radial plunger distributor type injection pump uses management system. • Engine Control Module (ECM) • Pump Control Unit (PSG) = Pumpen Steuer Great (German) The pump control unit (PSG) receives signals from the The following signals are exchanged via the CAN-bus: • Desired injection quantity • Desired injection timing • Engine speed From PSG to ECM • Fuel temperature • Pump speed • Cylinder identifier • Control pulse (actual injection quantity + actual injection timing) • PSG status Self Diagnosis / Interface / Signal To High Pressure Solenoid Engine Speed Injection Timing Accelerator Pedal Injection Quantity Intake Air Temperature Response Signal Mass Air Flow Additional Signal Others
Additional Operations To Timing Control Valve (TCV) Engine Module (ECM Cam Ring Rotational Angle High Pressure Timing Device |