Table Of Contents - Audi V6 BITURBO Manual

Table of Contents

Table Of Contents3
The 2.7-Litre V6 Biturbo4
Engine4
The Technical Data5
The Crankshaft6
Cylinder Head7
The Variable Valve Timing8
Cooling Circuit9
Electrical Coolant Circulation Pump V5110
Fan Control11
The Electronic Power Control11
Advantages Of The Power Control11
Electric Circuit Of Fan Control12
Components12
Function Of Fan Circuit13
The Electrical Coolant Function13
Fan Speed13
Engine Lubrication14
The Oil Circuit14
The Component Parts Of The Oil Circuit15
The Oil Pump15
The Oil Cooler15
The Spray Jets Valve15
The Oil Pressure Control Valve16
The Oil Pressure Limiting Valve16
The Oil Retention Valves16
The Restrictors16
Front View Of Engine17
Rear View Of Engine18
Top View Of Engine19
View Of Engine From Left20
Air Ducting21
Advantage Of Charge Air Cooling21
Charging22
Two Water-Cooled Exhaust Gas Turbochargers22
Advantages Of The Biturbo Technology22
Exhaust System23
Pneumatically Controlled Systems24
Charge Pressure Control25
Divert Air Control In Overrun27
Acf System28
Vacuum In Intake Manifold28
Charge Pressure In Intake Manifold:28
The Crankcase Breather29
Charge Pressure In Intake Manifold29
Subfunctions Of The Motronic30
Motronic Me 7.131
Subsystems Of The Motronic32
Torque-Oriented Engine Management, Torque32
Electrically Actuated Throttle Valve35
Torque Reduction36
Torque Increase36
Accelerator Position Senders G79 And G18537
Self-Diagnosis/Emergency Running38
Functional Positions Of Throttle Valve Control Part40
The Lower Mechanical Limit Stop40
The Emergency Running Position40
The Upper Electrical Limit Stop41
Basic Adjustment (Adaption)41
Adaption Conditions41
Self-Diagnosis/Emergency Running Mode42
Fault Lamp For Electric Throttle Control K13243
Advantages Of The Accelerator Pedal Module44
Exhaust Gas Temperature Control45
Exhaust Gas Temperature Sender G235 And G23646
Sensors48
Charge Pressure Sender G3148
The Altitude Sender F9648
Substitute Function And Self-Diagnosis48
Hot-Film Air Mass Meter G7049
The Measuring Principle of the Return Flow Recognition50
Lambda Probes G39 And G10851
Hall Senders G40 And G16352
Engine Speed Sender G2853
Brake Light Switch F And Brake Pedal Switch F4755
Clutch Pedal Switch F3655
Additional Signals/Interfaces56
The Road Speed Signal57
Coolant Temperature Signal57
The "Compressor On/Off" Interface58
The Interface As A Signal Input58
The Interface As A Signal Output58
The Immobiliser/Diagnosis Interface58
The Engine Speed Signal59
The Can-High/Can-Low Interfaces59
The Fuel Consumption Signal60
The Interfaces Of The Cruise Control System (Ccs)60
Functional Diagram61
Self-Diagnosis63
Vehicle Diagnosis, Test And Information System Vas 505163
Guided Fault Finding63
Test Box V.a.g 1598/3164
Power Transmission65
Self-Adjusting Clutch65
Contact Pressure Characteristic66
Function Of Sac Clutch67
Conventional Clutch68
Sac Clutch68
Clutch Disengagement Process69
Gearbox70