Part 1
1 - Knocking signal
2 - Fuel injector, cyl. 5
3 - EVAP canister purge valve
4 - Variable-length manifold
5 - Oil temperature sensor
6 - not assigned
7 - 5-volt supply for camshaft position sensor and differential pressure sensor
8 - Signal, throttle position sensor 2
9 - Ground, mass air flow sensor
10 - 5-volt supply for throttle actuation
11 - Triggering of secondary air pump relay (terminal 85)
12 - not assigned
13 - Start enable, Tiptronic (P + N)
14 - Pilot light, engine compartment fan
15 - Fuel injector, cyl. 3
16 - not assigned
17 - Ground, sensors
18 - not assigned
19 - Signal, camshaft position sensor 2
20 - Signal, camshaft position sensor 1
21 - not assigned
22 - Engine coolant temperature sensor
23 - Signal, mass air flow sensor
24 - Signal, throttle position sensor 1
25 - Ground, throttle position sensors 1 + 2
26 - not assigned
27 - Fuel injector, cyl. 4
28 - Fuel injector, cyl. 6
29 - not assigned
30 - Secondary air valve
31 - not assigned
32 - Signal A, speed sensor
33 - not assigned
34 - Intake air temperature sensor
35 - not assigned
36 - Input, knock sensor 2
37 - Ground, knock sensor 2
38 - not assigned
39 - not assigned
40 - Fuel injector, cyl. 2
41 - Fuel injector, cyl. 1
42 - Throttle motor actuator
43 - Throttle motor actuator
44 - not assigned
45 - Shield, speed sensor
46 - Signal B, speed sensor
47 - not assigned
48 - not assigned
49 - Input, knock sensor 1
50 - Ground, knock sensor 1
51 - not assigned
52 - not assigned
Connector IV (40-pole)