Engine Control Module

CONNECTOR VIEW

SYSTEM
- DME

LOCATION
- Above glove box
or
- Right side shock tower

TERMINAL ID
1 - Timing control (BlK)
2 - Ground (Brn)
3 - Fuel pump relay control (Brn/Grn)
4 - Idle speed control valve (Wht/Yel)
5 - Evaporative purge solenoid (Brn)
6 - Engine speed to instrument cluster (Blk)
7 - Air flow sensor load (Gry/Yel)
8 - Cylinder Identification sensor (-) (Blk)
9 - NO CONNECTION
10 - Oxygen sensor ground (Yel)
11 - NO CONNECTION
12 - Air flow sensor supply (Gry/wht)
13 - Diagnostic line RXD (Wht/Yel)
14 - Ground (Brn)
15 - Check engine light (Gry)
16 - Fuel injectors - 1,3 & 5 (Brn/Wht)
17 - Fuel injectors - 2,4 & 6 (Brn/Yel)
18 - Battery (+) (Red)
19 - Ground (Brn/Org)
20 - NO CONNECTION
21 - NO CONNECTION
22 - Idle speed control valve (Wht/Grn)
23 - NO CONNECTION
24 - Ground (Brn)
25 - NO CONNECTION
26 - Air flow sensor ground (Gry/Blu)
27 - Ignition switch (coil +) (Grn)
28 - Oxygen sensor input (Blk)
29 - Vehicle speed sensor to instr. cluster
30 - NO CONNECTION
31 - Cylinder identification sensor (+) (Yel)
32 - Fuel rate input (Wht/Blk)
33 - NO CONNECTION
34 - NO CONNECTION
35 - NO CONNECTION
36 - Main relay control (Brn)
37 - Power from main relay (Red/Blu)
38 - ASC & Anti-theft (DWA) (BlkNio)
- NO CONNECTION on 325 & 528e
39 - Programming voltage (Grn/Blu)
40 - NC compressor clutch (BIk/Gry)
41 - A/C relay input (Blk/Blu)
42 - Park/neutral input (Brn/Blk)
43 - NO CONNECTION
44 - Inlet air temperature sensor input (Gry/Vio)
45 - Coolant temperature sensor (Brn/Red)
46 - NO CONNECTION
47 - Engine speed sensor (+) input (Blk)
48 - Engine speed sensor (-) input (Yel)
49 - NO CONNECTION
50 - NO CONNECTION
- Engine braking torque on 325
51 - Ignition angle control (Brn/Gry)
- NO CONNECTION on 325 & 528e
52 - Closed throttle (BrnIBlu)
53 - Wide open throttle (Brn/Blk)
54 - Torque converter (Red)
- NO CONNECTION on 325 & 528e
55 - Diagnostic line TXD