Engine Management - Audi 4.2-liter V8 FSI Service Training

Engine Management

System Overview – Audi Q7 (Boxch MED 9 .1 .1)
Sensors
Mass Air Flow (MAF) Sensor G70
Mass Air Flow (MAF) Sensor 2 G246
Intake Air Temperature (IAT) Sensor G42
Throttle Position (TP) Sensor G79
Accelerator Pedal Position Sensor 2 G185
Engine Speed (RPM) Sensor G28
Knock Sensors (KS) 1-4 G61, G66, G198, G199
Fuel Pressure Sensor G247
Intake Manifold Runner Position Sensor G336
Intake Manifold Runner Position Sensor 2 G512
Camshaft Position (CMP) Sensor G40
Camshaft Position (CMP) Sensor 2+3 G163 ,G300
Camshaft Position (CMP) Sensor 4 G301
Low Fuel Pressure Sensor G410
Engine Coolant Temperature (ECT) Sensor G62
Throttle Valve Control Module J338
Throttle Drive Angle Sensors 1+2 for Electronic
Power Control (EPC) G187, G188
Heated Oxygen Sensor (HO2S) G39
Heated Oxygen Sensor (HO2S) 2 G108
Oxygen Sensor (O2S) Behind Three Way Catalytic
Converter (TWC) G130
Oxygen Sensor (O2S) 2 Behind Three Way Catalytic
Converter (TWC) G131
Engine Coolant Temperature (ECT) Sensor (on Radiator) G83
Brake Light Switch F
Brake Pedal Switch F47
Brake Booster Pressure Sensor G294
Additional signals:
Terminal 50/50R
Brake Servo
Access/Start Control Module J518
Cruise Signal from Steering Column Electronic Systems Control Module J527
Door Contact Wake-up from Comfort System Central Control Module J393
Multi-Function Transmission Range (TR) Switch F125
Auxiliary Heater Wake-up via Climatronic Control Module J255
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PowerTrain CAN Data Bus
Engine Control
Module (ECM) J623