Mitsubishi FUEL Manual page 302

Multipoint fuel injection (mpi)
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13I-108
Terminal No.
Check item
73
M/T oil temperature
sensor
74
Brake vacuum sensor
76
Air flow sensor reset
signal
78
Throttle position sensor
(2nd channel)
79
Accelerator pedal position
switch
80
Vehicle speed sensor
83
A/C switch
88
Small lamp switch
89
Oxygen sensor heater
(front)
90
Oxygen sensor heater
(rear)
92
Fuel pressure sensor
94
Accelerator pedal position
sensor (1st channel)
96
Injector open circuit check
signal
99
Ignition switch-IG
GDI -
Troubleshooting
Check requirements (engine condition)
M/T oil temperature: 25_C
M/T oil temperature: 80_C
Engine: Stop the engine from idle
speed, turn the ignition switch ON,
and then depress the brake pedal
several times.
Engine: Idling
Engine: 3,000 r/min
Ignition switch:
Release the
ON
accelerator pedal.
Depress the
accelerator pedal
fully.
Ignition switch:
Release the
ON
accelerator pedal.
Depress the
accelerator pedal
fully.
D
Ignition switch: ON
D
Move the vehicle forward.
Engine: Idling
A/C switch: OFF
A/C switch: ON
(Compressor is
operating)
Lighting switch: OFF
Lighting switch: ON (Taillamp: ON)
Engine: Idling
Engine: 3,500 r/min
Engine: Idling
Engine: 3,500 r/min
Engine: Idling
Ignition switch:
Release the acceler-
ON
ator pedal.
Depress the
accelerator pedal
fully.
Engine: Increase engine speed from
idle speed to 4,000 r/min.
Ignition switch: ON
Normal condition
2.4 - 2.7 V
0.5 - 0.8 V
Voltage increases
0 - 1 V
6 - 9 V
4.5 - 5.5 V
0.4 - 0.6 V
0 - 1 V
4 V or more
0 « system voltage
alternates.
0 - 3 V
System voltage
0 - 3 V
System voltage
0 - 3 V
System voltage
0 - 3 V
System voltage
0.3 - 4.7 V
0.9 - 1.2 V
4 V or more
Decreases slightly (approx.
0.7 V) from 4.5 V - 5.0 V.
System voltage

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Mpi 4g6Mpi 6a1

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