Mitsubishi 3000GT Service Manual page 366

Function Item No.
Actuator test 01
02
03
04
05
06
Normal waveform
HARNESS INSPECTION
Refer to P.l3A-150.
ACTUATOR INSPECTION
INJECTORS
Refer to P.l3A-151.
RESISTOR
Refer to P.l3A-152.
MULTIPORT
On-Vehicle Inspection of MFI
FUEL INJECTION - Components
Drive content
No. 1 injector shut off
No. 2 injector shut off
No. 3 iniector shut off
No. 4 injector shut off
No. 5 iniector shut off
No. 6 injector shut off
Using Oscilloscope
(1) Run the engine
(2) Connect the probe to the oscilloscope pick-up point as
shown in the circuit diagram, and check the waveform
at the drive side of each injector.
TSB Revision
Check condition
Engine: Idling after Idle state to change fur-
warm-up ther (becoming less
stable or stalling)
(Shut off the injectors in
sequence during idling
after engine warm-up,
check the idling condi-
tion)
at idle speed.
Nor