Terminal Assignment of Engine Control Unit, X 18 XE and X 20 XEV
Terminal assignment, occupied connections only:
|
1 |
Diagnostic data lead X13 |
|
2 |
Ground |
|
3 |
Load signal to AT control unit |
|
4 |
Signal, AT driving stage |
|
5 |
Speed signal from odometer frequency sensor |
|
6 |
Torque control |
|
7 |
Ground |
|
8 |
Signal lead, intake air temperature sensor P29 |
|
9 |
From compressor pressure switch |
|
10 |
Signal lead, oxygen sensor P32 |
|
11 |
Ground |
|
12 |
Signal lead, knock sensor P46 |
|
13 |
Measurement signal, camshaft sensor P47 |
2.5.7 Terminal Assignment of Engine Control Unit, X 18 XE and X 20 XEV
(continued)
Terminal assignment, occupied connections only:
|
14 |
Ground, hot film mass air flow meter P44 |
|
15 |
Ground |
|
16 |
Signal lead, crankshaft pulse pick-up P35 |
|
17 |
Ignition ON (terminal 15) |
|
18 |
Signal, throttle valve potentiometer P34 |
|
19 |
Ground |
|
20 |
Engine speed signal for tachometer |
|
21 |
Fuel consumption signal |
|
22 |
Diagnostic excitation lead X13 |
|
23 |
Signal lead, compressor switch S101 |
|
24 |
Ground, crankshaft pulse pick-up P35 |
|
25 |
Reduced throttle valve signal (Traction Control) |
|
26 |
Signal lead, throttle valve potentiometer P34 |
2.5.7 Terminal Assignment of Engine Control Unit, X 18 XE and X 20 XEV
(continued) Terminal assignment, occupied connections only:
|
27 |
Signal lead, coolant temperature sensor P30 |
|
29 |
Ground |
|
30 |
Ground, knock sensor P46 |
|
31 |
Signal lead, camshaft sensor P47 |
|
32 |
Ground, camshaft sensor P47 |
|
33 |
Signal lead, hot film mass air flow meter P44 |
|
34 |
Ground, AC relay K60 |
|
35 |
Voltage supply, main relay K42 |
|
36 |
Ground, oxygen sensor P32 |
|
38 |
Ground, DIS ignition module L2 |
|
39 |
Ground, DIS ignition module L2 |
|
40 |
Ground, injector cyl.4 Y7 |
|
41 |
Ground, injector cyl.2 Y7 |
|
42 |
Ground, injector cyl.1 Y7 |
|
43 |
Ground, injector cyl.3 Y7 |
|
44 |
Idle circuit, idle air regulator M33 |
|
45 |
Ground, exhaust gas recirculation solenoid valve Y18 |
|
46 |
Ground, idle air regulator M33 |
|
47 |
Ground, tank vent valve Y34 |
|
48 |
Ground, oxygen sensor heating P32 |
|
49 |
Ground, main relay K42 |
|
50 |
Ground, intake manifold valve solenoid valve Y19 |
|
52 |
Ground, engine telltale |
|
53 |
Ground, secondary air pump relay Y15 |
|
54 |
Ground, fuel pump relay K44 |
|
55 |
Battery positive (terminal 30) |
|
