Mitsubishi 3000GT Service Manual page 317

Function Item No.
Data reading 12
models>
Function Item No.
Data reading 87
models>
o .
<Volumetric Efficiency>
Function Item No.
Data list 37
Regular waveform
MULTIPORT
On-Vehicle Inspection of MFI
FUEL INJECTION - ComDonents
Data display Check conditions
l
Sensor air Engine coolant tem-
volume (Air- perature: 80 to 95°C
(176 to 203°F)
flow volume)
Lights, electric cool-
l
ing fan, accesso-
ries: OFF
Transaxle: Neutral
l
(P range for A/T)
Data display Check conditions
Calculation Engine: warm
l
load Operation
l
idling to maximum
output
Data display Check conditions
Reset signal Engine warm up
l
condition
Data display
Check condition
Volumetric
Engine coolant tem-
efficiency perature: 80 to 95°C
(176 to 203°F)
Lights, electric cool-
ing fan and accesso-
ry operation: OFF
Transaxle: Neutral
l
(P range for vehicle
with A/T)
Steering
l
Neutral
Using Oscilloscope
(1) Run the engine at idle speed.
(2) Connect the probe to the oscilloscope pick-up point as
shown in the circuit diagram, and check the waveform.
I
TSB Revision
Engine state
Idling
2,500 rpm
Engine state
range:
Engine conditions 1 Standard value 1
Engine state
700 rpm (Idle)
wheel:
Standard value
3.6-7.5 g/s
3.9-7.7 g/s
13.9-19.8 g/s
Standard value
1
ON
I
Standard value
ing