Mitsubishi Lancer X Pinout Engine ECU engine family 4in1

[Autoequipment]

CONTROL UNIT

ENGINE-ECU

Engine-ECU is installed in the engine room. Engine-ECU judges (calculates) the optimum control to deal with the constant minute changes in driving conditions based on information input from the sensors and drives the actuator. Engine-ECU is composed of 32-bit microprocessor and Random Access Memory (RAM), Read Only Memory (ROM) and Input /Output interface. Engine-ECU uses flash-memory ROM that allows re-writing of data so that change and correction of control data is possible using special tools. It also uses Electrically Erasable Programmable Read Only Memory (EEPROM) so that studied compensation data is not deleted even if battery terminals are disconnected.
ENGINE-ECU CONNECTOR INPUT/OUTPUT PIN ARRANGEMENT

1
Inlet oil feeder control valve
2
No. 1 injector
3
No. 2 injector
4
No. 1 ignition coil
5
No. 2 ignition coil
6
Starter active signal
7
Exhaust camshaft position sensor
8
Crank angle sensor
9
Sensor supplied voltage
10
Throttle position sensor (main)
11
Throttle position sensor (sub)
12
Power supply voltage applied to throttle position sensor
13
Throttle position sensor earth
14
Inlet camshaft position sensor
15
Throttle valve control servo (+)
16
Throttle valve control servo (-)
17
Exhaust oil feeder control valve
18
No. 3 injector
19
No. 4 injector
20
No. 3 ignition coil
21
No. 4 ignition coil
23
Exhaust camshaft position sensor earth
24
Crank angle sensor earth
25
Detonation sensor
26
Engine coolant temperature sensor
27
Engine coolant temperature sensor earth
30
Inlet camshaft position sensor earth
31
EGR valve (A) <Low CO2specification, FFV>
32
EGR valve (B) <Low CO2specification, FFV>
34
Oxygen sensor (front) heater
35
Oxygen sensor (rear) heater
36
Engine oil pressure switch
37
Purge control solenoid valve
38
Oxygen sensor (front)
39
Oxygen sensor (front) offset voltage
40
Oxygen sensor (rear)
41
Oxygen sensor (rear) offset voltage
42
Detonation sensor earth
44
Power supply voltage applied to manifold absolute pressure sensor
45
Manifold absolute pressure sensor
46
Manifold absolute pressure sensor earth
47
EGR valve (C) <Low CO2specification, FFV>
48
EGR valve (D) <Low CO2specification, FFV>
58
Power steering fluid pressure switch <Except low CO2specification, FFV>
60
Alternator G terminal
61
Alternator FR terminal
62
Alternator L terminal
71
Throttle valve control servo earth
72
Power supply voltage applied to throttle valve control servo
73
Engine control relay
74
Accelerator pedal position sensor (main)
75
Power supply voltage applied to accelerator pedal position sensor (main)
76
Accelerator pedal position sensor (main) earth
77
Accelerator pedal position sensor (sub)
78
Power supply voltage applied to accelerator pedal position sensor (sub)
79
Accelerator pedal position sensor (sub) earth
81
Sensor earth
82
Power source
83
Throttle valve control servo earth
84
Throttle valve control servo relay
87
Air flow sensor
88
Air flow sensor earth
89
Intake air temperature sensor
90
CAN interface (high)
91
CAN interface (low)
92
Ignition switch-IG
93
Sensor earth
96
Fuel pump relay
98
Battery temperature sensor <Low CO2specification, FFV>
99
Power supply voltage applied to battery current sensor <Low CO2specification, FFV>
100
Battery current sensor <Low CO2specification, FFV>
101
Battery current sensor earth <Low CO2specification, FFV>
102
A/C compressor relay
103
Flash EP-ROM data rewriting power source
104
Backup power source
105
Ignition switch-ST
106
Starter relay
109
Vehicle speed sensor <M/T>
110
Vehicle speed sensor earth <M/T>