Mitsubishi 3000GT - Page 49

13-44
FUEL
-
On-vehicle Inspection
of MPI
Components
Terminal
No.
Check
point
Check
conditions
(Engine
conditions)
Standard
value
Remarks
45
Air
conditioner
switch
1
Engine:
Running
at idle
Airconditioner
switch set
to OFF 0-3v
Airconditioner switch
set to
ON
(Airconditioner
compressor in
driven state)
SV
57
Air conditioner
switch 2
Engine:
Running
at
idle
Airconditioner switch
set to OFF
0-3v
.
Airconditioner
switch set
to ON
.
Indoor
set temperature
brought closer to
atmospheric temperature
SV
I Air
conditioner
relay
o
Engine: Running at
idle
.
Airconditioner switch: OFF
-
ON
(Air
compressor
in driven state)
SV or 6V
or
more for
a
moment
-
0-3V
21
Fan motor relay
(Lo)
Radiator
fan not
pperating
(Coolant
temperature: below
90'C
[194"F|)
B+
Radiator fan operating at
low
speeds
(Coolant
temperature: 95
-
105'C
1203
-
221'Fll
0-3v
20
Fan
motor relay
(Hi)
Radiator fan not operating
(Coolant
temperature:
below 90'C
[194"F|)
B+
Radiator
fan
operating at
high
speeds
(Coolant
temperature: above
105'C
1221"Fll
0-3v
55 Electric load
switch
Engine:
Running at
idle
Lighting switch set to OFF
0-3v
Lighting switch set to
ON SV
76
75
Oxygen
sensor
Engine:
Kept running at 2,000
r/min
after warmup
(Digital
voltmeter to be
used
for
checking)
0
-
0.8V
(Changes
repeated)
Termi-
nal.
55
for
rear
bank
1
No.
1 injector Engine:
Running at
idle after
warmup,
and accelerated abruply
by depressing
accelerator
pedal
Falls
temporari-
ly
a
little
from
1 1
-14V.
14 No. 2
injector
2
No. 3
injector
15 No.
4 injector
3
No.
5
injector
16 No. 6
injector
4
Stepper
motor coil
<A1>
Engine: Just after
the
warmed-up
engine
has
started
(for
'l
minute)
SV
tü
0*3v
(Changed
repated)
17 Stepper
motor coil
<A'2>
5 Stepper
motor coil
<81
>
1B Stepper
motor coil
<82>