Mitsubishi FUEL Manual page 307

Terminal Check item
No.
52 Power steering fluid
pressure switch
55 Barometric
sensor
56 Camshaft position sen-
sor
58 Ignition switch-ST
63 Injector open circuit
check signal
64 Intake air temperature
sensor
65 Air flow sensor
66 Backup power supply
71 Oxygen sensor (front)
73 Oxygen sensor (rear)
78 Throttle position sen-
sor (2nd channel)
79 Accelerator pedal posi-
tion switch
80 Vehicle speed sensor
GDI -
Troubleshooting
Check condition (Engine condition)
Engine: Idling after
warming-up
pressure Ignition switch: ON
Engine: Cranking
Engine: Idling
Engine: Cranking
Engine: Increases from idling up to 4,000 r/min
Ignition switch: ON
Engine: Idling
Engine speed: 2,500 r/min
Ignition switch: OFF
Engine: Running at 2,500 r/min after warming-up
(Check by using a digital voltmeter.)
D Transmission: L range
D Engine speed: 3,500 r/min or more
D Driving with the throttle valve widely open
Ignition switch: ON
Ignition switch: ON
D Ignition switch: ON
D Move the vehicle slowly forward
When steering wheel is
stationary
When steering wheel is
turned
At an altitude of 0 m
At an altitude of 1,200 m
When intake air tempera-
ture is 0_C
When intake air tempera-
ture is 20_C
When intake air tempera-
ture is 40_C
When intake air tempera-
ture is 80_C
Release the accelerator
pedal.
Depress the accelerator
pedal fully.
Release the accelerator
pedal.
Depress the accelerator
pedal slightly.
13I-113
Normal condition
System voltage
0 - 3 V
3.7 - 4.3 V
3.2 - 3.8 V
0.3 - 3.0 V
0.5 - 3.5 V
8 V or more
The voltage decreases
slightly (approx. 0.7 V)
from 4.5 - 5.0 V.
3.2 - 3.8 V
2.3 - 2.9 V
1.5 - 2.1 V
0.4 - 1.0 V
2.2 - 3.2 V
System voltage
Voltages of 0 V and 0.8
V alternate
0.6 - 1.0 V
4.5 - 5.5 V
0.4 - 0.6 V
0 - 1 V
4 V or more
Voltages of 0 and 8 - 12
V alternate (changes
repeatedly)