I've found some more info on MFA
Quote:
Additional ECU pin out info:
1.9TDI 68-Pin ECU Pinout (p/ns: 028 906 02X xx)
Copied from a 1997 Golf TDI diagram – note: all pins are included below, but not necessarily used
Pin Color Module des Description Connected to
1 BR 31 Ground connection in wiring harness 31 (156)
2 SW/GN J285 Engine Speed Signal (tachometer/DOP) G1/12 U1/6 T28/10
3 N/C
4 BR/GE N146 Metering Adjuster F26 T8/6
5 BR/GE N146 Metering Adjuster F26 T8/6
6 SW/BL J359 Low Heat Output Relay 1
7 GR/GN G149 Modulating Piston Displacement Sensor T 8/5
8 WS G28 Engine Speed Sensor 3/2
9 LI/WS MFA Fuel Consumption Signal (For Multifunction Display)
10 N/C
11 BL G80 Needle Lift Sensor 2/2
12 GR G80 Needle Lift Sensor 2/1
13 BR/RO G70 Mass Air Flow (MAF) Sensor 6/6
14 BL/BR G62 Engine Temperature Sensor T24/20 4/3
15 WS/BL G79 Throttle Position Sensor T6/1
16 BL/SW F22 0.3 Bar Oil Pressure Switch T24/1
17 WS/RO F36 Clutch Switch Pin 2 Clutch Switch
18 GE/RO Auto Gearbox T8a/4
19 RO/GN G70 Mass Air Flow (MAF) Sensor 6/1
20 WS/GE F47 Brake Pedal Switch Pin1 Brake Switch
21 N/C
22 N/C
23 SW/GE J317 Power Supply Relay F25 G 1/10
24 BR 31 Ground connection in wiring harness 156 31
25 BR/WS N18 EGR Vacuum Regulator Solendoid Valve 2/2
26 SW/BR J360 High Heat Output Relay 3
27 N/C
28 BR/GR J246 AC Relay Coupling N/2
29 LI/SW G149 Modulating Piston Displacement Sensor T8/1
30 GR/WS J52 Glow Plug Relay T10/7
31 BL/GE Auto Gearbox T8a/7
32 GR Auto Gearbox T8a/6
33 BR/BL 31 Ground connection (sensor ground) 220 31
34 BL/GR E45 Cruise Control Switch T4/2
35 RO E45 Cruise Control Switch T4/3
36 N/C
37 GN/GR F38 AC Ambient Temperature Switch
38 BLK 15 12V ignition G1/4 15
39 RO/SW 31 Alternator T2/1 31
40 N/C
41 N/C
42 SW/LI J317 ECU Switched Ground for 109 Relay 85 G1/7
43 BL/WS VSS Vehicle Speed Signal wire (VSS) TV13 W/1 U2/2 T28/7
44 SW/RO M9 Left Brake Light TV11 W/4 K/4 E/3
45 SW/GE J317 Power Supply Relay F25 G1/10 6/87
46 BR 156 Ground connection 156 31
47 RO/BL N75 Wastegate Bypass Regulator Valve 2/1
48 BL/GN K29 Glow Plug Indicator Light G 2/5
49 BR/GE N146 Metering Adjuster F26 T8/6
50 GE/BL J52 Glow Plug Relay G1/3 3/85
51 BR/SW N108 Cold Start Injector T24/13 T3/2
52 WS/GN G149 Modulating Piston Displacement Sensor T8/3
53 WS/SW N109 Fuel Cut Off Valve T24/12 T3/1
54 N/C
55 GR/RO G79 Throttle Position Sensor T6/3
56 N/C
57 GE/GN G79 Throttle Position Sensor T6/2
58 N/C
59 BL/SW Auto Gearbox T10/8
60 GE/WS K83 Malfunction Light (US only) 1/1
61 GR/WS OBD Immo Box 1995-> vehicles or OBD II connector (pre 1995 vehicles) OBD T16/7
62 GN/WS G79 Throttle Position Sensor T6/5
63 GE/SW G81 Fuel Temperature Sender T8/7
64 BL/GE G72 Intake Manifold Temperature Sender 2/1
65 GR/BL G79 Throttle Position Sensor T6/4
66 SW/WS E45 Cruise Control Switch T4/4
67 N/C
68 SW/GE J317 109' Sensor Supply Relay F25 G1/10 6/87
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Pin #9 gives signal to MFA and I've used it to feed FE signal to MPGuino. And it's working flawlesly
