Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 536

Terminal No. Check item
72 Intake air
temperature sensor
75 Oxygen sensor (rear)
76 Oxygen sensor (front)
80 Backup power supply
81 Sensor impressed
voltage
82 Ignition switch – IG
83 Engine coolant
temperature sensor
84 Throttle position
sensor
85 Vacuum sensor
(Manifold absolute (Manifold absolute
pressure sensor)
86 Vehicle speed sensor
89 Crank angle sensor
MPI –
Troubleshooting
Check condition (Engine condition)
Ignition switch: ON When intake air
temperature is 0_C
When intake air
temperature is 20_C
When intake air
temperature is 40_C
When intake air
temperature is 80_C
Transmission: 2nd gear
Engine r/min: 3,500 r/min or more
Driving with the throttle valve widely open
Engine: Running at 2,500 r/min after warmed
up (Check using a digital type voltmeter)
Ignition switch: OFF
Ignition switch: ON
Ignition switch: ON
Ignition switch: ON When engine coolant
temperature is 0_C
When engine coolant
temperature is 20_C
When engine coolant
temperature is 40_C
When engine coolant
temperature is 80_C
Ignition switch: ON Set throttle valve to
idle position
Fully open throttle
valve
Ignition switch: ON (when altitude is 0 m)
Ignition switch: ON (when altitude is 1,200 m)
Engine: Idle speed
While engine is idling after having warmed up,
suddenly depress the accelerator pedal
Ignition switch: ON
Move the vehicle slowly forward
Engine: Cranking
Engine: Idle speed
13B-55
Normal
condition
3.2 – 3.8 V
2.3 – 2.9 V
1.5 – 2.1 V
0.4 – 1.0 V
0.6 – 1.0 V
0 0.8 V
(Changes repeatedly)
System voltage
4.5 – 5.5 V
System voltage
3.2 – 3.8 V
2.3 – 2.9 V
1.3 – 1.9 V
0.3 – 0.9 V
0.3 – 1.0 V
4.5 – 5.5 V
3.7 – 4.3 V
3.2 – 3.8 V
0.9 – 1.5 V
From 0.9 – 1.5 V,
momentarily increases
0 5 V
(Changes repeatedly)
0.4 – 4.0 V
1.5 – 2.5 V