Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 440

CHECK AT THE ENGINE-ECU TERMINALS
TERMINAL VOLTAGE CHECK CHART
Engine-ECU Connector Terminal Arrangement
Terminal Check item
No.
1 No.1 injector
14 No.2 injector
2 No.3 injector
15 No.4 injector
3 GDI ECO lamp
5 Purge control solenoid valve
6 Oxygen sensor heater
8 A/C relay
10 No.1 ignition coil
11 No.2 ignition coil
23 No.3 ignition coil
24 No.4 ignition coil
12 Power supply
25
16 Throttle valve control servo
relay relay
19 Air flow sensor reset signal
GDI –
Troubleshooting
Check requirements (engine condition)
Engine: Warm up, and then depress
the accelerator pedal suddenly from the accelerator pedal suddenly from
the idle speed.
Constant speed driving at 40 km/h
Engine: Depress the accelerator pedal
suddenly from the idle speed.
Engine cool- Engine: stopped
ant tempera- ant tempera-
Engine: Start the
ture: 80 –
engine, and then
95_C
increase engine
Ignition
speed up to 3,500
switch: ON
r/min.
Engine: idling
Engine: 3,500 r/min
Engine: idling
A/C switch: OFF
(Compressor is operating)
Engine: 3,000 r/min
Ignition switch: ON
Ignition switch: OFF
Ignition switch: ON
Engine: idling
Engine: 3,000 r/min
Normal condition
decreases slightly for short
time from 9 – 13 V. time from 9 – 13 V
0 – 3 V
System voltage
System voltage
Voltage decreases.
0 – 3 V
System voltage
System voltage, or changes
ON from momentarily 6 V or
more to 0
0.1 – 2.0 V
System voltage
0 – 0.3 V
0.5 – 1.0 V
0 – 1 V
6 – 9 V
13A-81
3 V