Volkswagen 1.9 tdi, Owner'S Manual, Page: 58 / 67

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Functional Diagram
EDC 16 Functional Diagram
for 1.9-Liter TDI Engine
Components
E45 Cruise Control Switch
F Brake Light Switch
F8 Kick Down Switch
F36 Clutch Vacuum Vent Valve Switch
F47 Brake Pedal Switch
F60 Closed Throttle Position Switch
G28 Engine Speed Sensor
G40 Camshaft Position Sensor
G62 Engine Coolant Temperature Sensor
G70 Mass Air Flow Sensor
G71 Manifold Absolute Pressure Sensor
G72 Intake Air Temperature Sensor
G79 Throttle Position Sensor
G81 Fuel Temperature Sensor
J52 Glow Plug Relay
J248 Diesel Direct Fuel Injection Engine
Control Module
J317 Power Supply (Terminal 30, B+) Relay
J359 Relay for Preheating Coolant, Low
Heat Output
J360 Relay for Preheating Coolant, High
Heat Output
J445 Relay for Pump, Fuel Cooling
N18 EGR Vacuum Regulator Solenoid Valve
N75 Wastegate Bypass Regulator Valve
N239 Change-Over Valve for Intake Manifold Flap
N240 Valve for Pump/Injector, Cylinder 1
N241 Valve for Pump/Injector, Cylinder 2
N242 Valve for Pump/Injector, Cylinder 3
N243 Valve for Pump/Injector, Cylinder 4
Q6 Glow Plugs (Engine)
Q7 Glow Plugs (Coolant)
S Fuse
V166 Pump for Fuel Cooler
Additional Signals
A Brake Lights
B Fuel Consumption Signal
C Engine Speed Signal
D Air Conditioner Compressor Cut-Off
E Air Conditioner Compressor Readiness
F Road Speed Signal
G Cruise Control Switch Voltage Supply
H Cooling Fan Run-On
K Diagnosis and Immobilizer Wire
L Glow Period Control
M Drivetrain CAN Data Bus (Low)
N Drivetrain CAN Data Bus (High)
O Three-Phase AC Generator Terminal DF
Color Coding
Input Signal
Output Signal
Positive
Ground
CAN Data Bus
Bi-directional