Gen1 Is NOT Done Yet. Do NOT Use!!!
Generation 1 Manual ECU wiring by Bart & Rabbit

ECU - Mitsubishi Genuine Part Number MD??????
(X-01)
1 2 3 12 13
4 5 6 7 8 9 10 11
14 15 16 25 26
17 18 19 20 21 22 23 24
(X-02)
101 102 103 104 105 106 107 108
109 110 111 112 113 114 115 116
(X-03)
51 60 61
52 53 54 55 56 57 58 59
62 71 72
63 64 65 66 67 68 69 70
Gen1 Is NOT Done Yet. Do NOT Use!!!


X-01
Pin #IN /
OUT
Wire size
(mm2)
Wire colourSheildDescriptionPaired
with
1IN0.85  Injector 1 ground control 
2IN0.85  Injector 3 ground control 
3      
4IN0.50  Idle speed control servo (coil A1)17
5IN0.50  Idle speed control servo (coil B1)18
*6    (?) EGR solenoid (* No connection) 
7   Y  
8IN0.50  Fuel pump relay ground control (MFI relay) 
10OUT0.50  (?) Ignition power transistor A (cyl 1 & 3)23
11      
12IN0.50  Power source108
13OUT1.25  Chassis ground 
Pin #IN /
OUT
Wire size
(mm2)
Wire colourSheildDescriptionPaired
with
14IN0.85  Injector 2 ground control 
15IN0.85  Injector 4 ground control 
16      
17IN0.50  Idle speed control servo (coil A2)4
18IN0.50  Idle speed control servo (coil B2)5
19      
20IN0.30  (?) A/C control unit21
21IN0.50  (?) A/C (?? or Fuel pump relay 2)20
22IN0.30  A/C (? A/C clutch relay) 
23OUT0.50  (?) Ignition power transistor B (cyl 2 & 4)10
*24    (?) Electric load switch (* No connection) 
25IN0.50  Power source108
26OUT1.25  Ground ( + O2 sensor wire shielding) 
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X-02
Pin #IN /
OUT
Wire size
(mm2)
Wire colourSheildDescriptionPaired
with
101OUT0.50  RPM Signal 
102      
103      
104    (?) Ignition timing adjustment 
105      
106IN   (?) Check engine light control ground (dash) 
107IN   (?) 5v to powersteering oil pressure switch 
108    (?) Engine control relay ground control (turns on 12 & 25) 
Pin #IN /
OUT
Wire size
(mm2)
Wire colourSheildDescriptionPaired
with
109IN0.50  Oil control valve switch ground control (MIVEC solenoid) (? Induction valve open) 
110    (?) Induction valve closed 
111    (?) Induction valve position sensor 1 
112    (?) Diagnostic connector113;
113    (?) Diagnostic connector112
114    (?) ABS ECU 
115    (?) 5v to engine coolant temperature sensor 
116      
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X-03
Pin #IN /
OUT
Wire size
(mm2)
Wire colourSheildDescriptionPaired
with
51IN1.25  (?) to start 
52OUT0.50  (?) 5v to air intake temperature sensor 
53    (?) EGR temperature sensor 
54    (?) No connection 
55IN0.50 Y(?) O2 sensor 2 (heated type) (* v6 only, back 3 cyl) 
56   Y  
57    (?) No connection 
58IN0.50 Y(?) Detonation sensor 
59    (?) No connection 
60IN0.50  (?) Battery backup 
61OUT0.50  (?) 5v to throttle position sensor
Atmospheric/Barometric pressure sensor
 
Pin #IN /
OUT
Wire size
(mm2)
Wire colourSheildDescriptionPaired
with
62IN1.25  (?) Gets 12v when the key is turned to start 
63OUT0.50  (?) 5v to engine coolant temperature sensor 
64IN0.50  (?) Throttle position sensor 
65IN0.50  (?) Atmospheric/Barometric pressure sensor 
66OUT0.50  (?) 5v to vechicle speed sensor 
67OUT0.50  (?) 5v to idle switch (in Throttle position sensor) 
68OUT0.50  (?) Camshaft position sensor 
69OUT0.50  (?) Crank angle sensor 
70    (?) 5v to air flow sensor 
71OUT1.25  (?) connected to start 
72IN0.50  (?) Throttle position sensor
Atmospheric/Barometric pressure sensor
Engine coolant temperature sensor
 
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Notes: