Mitsubishi 3000GT Service Manual page 352

OPERATION
Refer to P.l3A-137.
TROUBLESHOOTING
Refer to P.l3A-138.
INSPECTION
Using Scan Tool
Function Item No.
11
Data reading
39
Function Item No.
Data reading 59
69
<Heated Oxygen Sensor (front, rear)>
Function Item No.
Data reading 48
MULTIPORT On-Vehicle Inspection of MFI
FUEL INJECTION - Components
Data display Check condition
Engine: Warm-up
Sensor
detection (Make the mixture lean by engine
voltage speed reduction, and rich by racing)
Engine: Warm-up
(Using the heated oxygen sensor
signal, check the air/fuel mixture ra-
tio, and a so check the condition of
control by the engine control mod-
ule)
Data display 1 Check condition
Transaxle: 2nd gear <M/T>
Sensor
l
L range <A/T>
voltage
Drive with wide open throttle
l
Check condition
Data display
Engine: Warm-up
Heater
condition
TSB Revision
Engine state Standard value
When sudden 200 mV or lower
deceleration
from 4,000 rpm
When engine is 600 - 1,000 mV
suddenly raced
700 rpm 400 mV or lower
(Idling)
2,000 rpm
Engine state Standard value
3,500 rpm
Engine state Standard value
ON
750 rpm (Idle)
5,000 rpm OFF