Mitsubishi Outlander (2013+). Manual — part 130
GENERAL INFORMATION
MULTIPOINT FUEL INJECTION (MPI)
13A-4
Control System Diagram
AKB00748AB
Air flow sensor
Intake air temperature
sensor
Throttle position sensor
(main)
Throttle position sensor
(sub)
Manifold absolute
pressure sensor
Inlet camshaft position
sensor
Engine coolant
temperature sensor
Detonation sensor
Crank angle sensor
Oxygen sensor (front)
Oxygen sensor (rear)
1
2
3
4
5
6
7
8
9
10
11
Injector
Inlet oil feeder
control valve
Throttle valve control
servo
Purge control solenoid
valve
1
2
3
4
Power supply
Ignition switch-IG
Ignition switch-ST
Accelerator pedal
position
sensor (main)
Accelerator pedal
position
sensor (sub)
Engine oil pressure
switch
Alternator FR terminal
Alternator L terminal
CAN communication
(input signal)
Engine-
ECU
Ignition coil
Engine control relay
Fuel pump relay
Starter relay
Throttle valve control
servo relay
A/C compressor relay
Alternator G terminal
Oxygen sensor (front)
heater
Oxygen sensor (rear)
heater
CAN communication
(input signal)
4 Throttle position sensor (sub)
3 Throttle valve control servo
4 Purge control solenoid valve
2 Inlet oil feeder control valve
1 Injector
Canister
Air
3 Throttle position sensor (main)
5 Manifold absolute pressure
sensor
7 Engine coolant
temperature sensor
8 Detonation sensor
9 Crank angle sensor
10 Oxygen sensor (front)
11 Oxygen sensor (rear)
6 Inlet camshaft
position sensor
From fuel pump
1 Air flow sensor
2 Intake air
temperature
sensor
Catalytic
converter
Barometric
pressure
sensor
Catalytic
converter
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CONTROL UNIT
MULTIPOINT FUEL INJECTION (MPI)
13A-5
CONTROL UNIT
M2132021500960
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 sen-
sors and drives the actuator. Engine-ECU is com-
posed 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
AK602218AD
Microprocessor
RAM
Input
interface
Input
sensor
Output
interface
Output
actuator
ROM
Engine-ECU
AK602565 AB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
91
90
89
87
86
84
85
83
82
88
92
93
94
95
96
97
98
99
109
108
107
106
105
104
103
102
112
113
114
115
116
117
118
100
101
111
110
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
63
61
62
64
71
72
73
74
75
76
77
78
79
80
81
Terminal
No.
Terminal
code
Terminal name
Terminal
No.
Terminal
code
Terminal name
1
OCVI
Inlet oil feeder control valve
2
INJ1
No. 1 injector
3
INJ2
No. 2 injector
4
CIL1
No. 1 ignition coil
5
CIL2
No. 2 ignition coil
6
NTSW
Starter active signal
8
SGT
Crank angle sensor
9
5V
Sensor supplied voltage
10
TPSM
Throttle position sensor
(main)
11
TPSS
Throttle position sensor (sub)
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CONTROL UNIT
MULTIPOINT FUEL INJECTION (MPI)
13A-6
12
TPS5
Power supply voltage
applied to throttle position
sensor
13
TPSE
Throttle position sensor earth
14
CPI
Inlet camshaft position
sensor
15
ETV+
Throttle valve control servo (+)
16
ETV
−
Throttle valve control servo
(
−)
18
INJ3
No. 3 injector
19
INJ4
No. 4 injector
20
CIL3
No. 3 ignition coil
21
CIL4
No. 4 ignition coil
24
SGTE
Crank angle sensor earth
25
K/S
Detonation sensor (+)
26
WTS
Engine coolant temperature
sensor
27
WTSE
Engine coolant temperature
sensor earth
30
CPIE
Inlet camshaft position sensor
earth
34
OHFL
Oxygen sensor (front) heater 35
OHRL
Oxygen sensor (rear) heater
36
OPSW
Oil pressure switch
37
PURG
Purge control solenoid valve
38
O2FL
Oxygen sensor (front)
39
OFLE
Oxygen sensor (front) offset
voltage
40
O2RL
Oxygen sensor (rear)
41
ORLE
Oxygen sensor (rear) offset
voltage
42
K/SE
Detonation sensor (
−)
44
MAP5
Power supply voltage applied
to manifold absolute pressure
sensor
45
MAP
Manifold absolute pressure
sensor
46
MAPE
Manifold absolute pressure
sensor earth
60
ALTG
Alternator G terminal
61
ALTF
Alternator FR terminal
62
ALTL
Alternator L terminal
71
RSG
Throttle valve control servo
earth
72
RSB
Power supply voltage
applied to throttle valve
control servo
73
C/R
Engine control relay
74
APSM
Accelerator pedal position
sensor (main)
75
APS5
Power supply voltage applied
to accelerator pedal position
sensor (main)
76
APSE
Accelerator pedal position
sensor (main) earth
77
APSS
Accelerator pedal position
sensor (sub)
78
5VV
Power supply voltage
applied to accelerator pedal
position sensor (sub)
79
EV
Accelerator pedal position
sensor (sub) earth
81
GNDE
Engine-ECU earth
82
BAT1
Power source
83
RSH
Throttle valve control servo
earth
84
C/RL
Throttle valve control servo
relay
87
AFS
Air flow sensor
88
AFSE
Air flow sensor earth
89
ATS
Intake air temperature
sensor
90
CANH
CAN interface (high)
Terminal
No.
Terminal
code
Terminal name
Terminal
No.
Terminal
code
Terminal name
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SENSOR
MULTIPOINT FUEL INJECTION (MPI)
13A-7
SENSOR
M2132001001472
AIR FLOW SENSOR
Air flow sensor is installed in the air intake hose. Air
flow sensor is composed of an extremely small heat-
sensing resistor. The air flow sensor controls the
amount of electric current flowing into the heat sens-
ing resistor to keep the heat sensing resistor at a
constant temperature to the intake air temperature.
When the air mass flow rate increases, the air flow
speed is higher and also the amount of heat transfer
from the heat sensing resistor to the air increased.
Therefore, the air flow sensor increases the amount
of electric current to the heat sensing resistor. Thus,
the amount of electric current increases in accord-
ance with the air mass flow rate. The air flow sensor
measures the air mass flow rate by detecting the
amount of electric current. The air flow sensor ampli-
fies the detected electric current amount and outputs
it into the engine-ECU. Engine-ECU uses this output
current and engine speed to calculate and decide
basic fuel injection time. Sensor properties are as
shown in the figure.
91
CANL
CAN interface (low)
92
IGN
Ignition switch-IG
93
GNDE
Engine-ECU earth
96
FP/R
Fuel pump relay
97
AFS5
Air flow sensor reference
voltage
102
AC/R
A/C compressor relay
103
FMB
Flash EP-ROM data
rewriting power source
104
BACK
Backup power source
105
ST
Ignition switch-ST
106
STRL
Starter relay
108
BRK
Brake switch
Terminal
No.
Terminal
code
Terminal name
Terminal
No.
Terminal
code
Terminal name
AKB00749AB
Sensing area
Silicon substrate
Heat sensing
resistor
Intake air
Diaphragm
IN
OUT
AKB00757
5V
AB
From engine control relay
Air flow sensor
Engine-ECU
Output current (mA)
Mass flow (g/s)
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