Mitsubishi MOTORS Space Runner 1998, Workshop Manual

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GDI <4G9> -
Troubleshooting
13B-70
Terminal
No.
Normal condition Check condition (Engine condition) Check item
19 Air flow sensor reset signal Engine: Idling 0 - 0.1 V
Engine: 3,000 r/min 6 - 9 V
90 Air flow sensor Engine: Idling 2.2 - 3.2 V
Engine: 2,500 r/min
20 Injector driver control relay Ignition switch: OFF 0 - 0.1 V
Ignition switch: ON 0.5 - 1 V
21 Fan controller Radiator fan is not operating (Engine
coolant temperature is 80 _ C or less)
0 - 0.1 V
Radiator fan is operating (Engine
coolant temperature is 80 _ C or more)
1 V
22 Fuel pump relay Ignition switch: Engine: Stopped System voltage
ON
Engine: Idling 0 - 3 V
39 EGR valve (A) Ignition switch: Immediately after 5 - 8 V (fluctuates for
40 EGR valve (B)
turning ON approx. three seconds)
31 EGR valve (C)
32 EGR valve (D)
33 Alternator G terminal Engine: Idling after having warmed up
Radiator fan: Not operating
Headlamp: OFF ® ON
Stop lamp: OFF ® ON
Rear defogger switch: OFF ® ON
Voltage increases by 0.2 -
3.5 V
41 Alternator FR terminal Engine: Idling after having warmed up
Radiator fan: Not operating
Headlamp: OFF ® ON
Stop lamp: OFF ® ON
Rear defogger switch: OFF ® ON
Voltage decreases
35 Stop lamp switch Brake pedal: Depressed System voltage
Brake pedal: Released 0 - 0.1 V
36 Engine warning lamp Ignition switch: OFF ® ON 0 - 3 V ® System voltage
(after several seconds have
passed)
37 Power steering fluid
pressure switch
Engine: Idling
after having
Steering wheel:
Neutral position
System voltage
warmed up
Steering wheel:
Turned
0 - 3 V