Mitsubishi MOTORS Space Runner 1998, Workshop Manual

Page: 202 / 1164

GDI <4G6> -
Troubleshooting
13A-84
Terminal
No.
Normal condition Check requirements (engine condition) Check item
42 Brake vacuum sensor Engine: Stop the engine from idle
speed, turn the ignition switch ON,
and then depress the brake pedal
several times.
Voltage increases
44 Clutch switch <M/T> Depress the clutch pedal 0 - 3 V
Release the clutch pedal System voltage
45 A/C switch (1st channel) Engine: idling A/C switch: OFF 0 - 3 V
A/C switch: ON
(Compressor is
operating)
System voltage
51 Injector open circuit check
signal
Engine: Increase engine speed from
idle speed to 4,000 r/min.
Decreases slightly
(approx.0.7 V) from
4.5 V - 5.0 V.
52 Small lamp switch Lighting switch: OFF 0 - 3 V
Lighting switch: ON (Taillamp: ON) System voltage
57 Accelerator pedal position
switch
Ignition switch:
ON
Release the
accelerator pedal.
0 - 1 V
Depress the
accelerator pedal
slightly.
4 V or more
58 Tachometer output Engine: 3,000 r/min 2.0 - 9.0 V
71 Ignition switch - ST Engine: Cranking 8 V or more
72 Intake air temperature
sensor
Ignition switch:
ON
Intake air temper-
ature: 0 _ C
3.2 - 3.8 V
Intake air temper-
ature: 20 _ C
2.3 - 2.9 V
Intake air temper-
ature: 40 _ C
1.5 - 2.1 V
Intake air temper-
ature: 80 _ C
0.4 - 1.0 V
73 A/C switch (2nd channel) Refer to GROUP 55 - Troubleshooting “Check at the A/C-ECU
terminal, engine-ECU output terminals.”
74 Fuel pressure sensor Engine: Idling 0.3 - 4.7 V
75 M/T oil temperature sensor M/T oil temperature: 25 _ C 2.4 - 2.7 V
<M/T>
M/T oil temperature: 80 _ C 0.5 - 0.8 V