Mitsubishi 1989-1993 GALANT Service Manual page 233

FUEL SYSTEM <SOHC-8 VALVE> -
INSPECTION
Using Scan tool
Function
Item No.
Data reading 41
Function Item No.
Data reading 41
NOTE
cranking rpm of 250 rpm or less.
approximately 500 km (300 miles) or less].
Function Item No.
Actuator test 01
02
03
04
Normal waveform drrve time
HARNESS INSPECTION
1
Data display
Inspection conditions
Engine cranking
Data display Inspection conditions
. Engine coolant tempera-
ture:
al accessories: OFF
. Transaxle: neutral
Description
No. 1 injector is shut off.
No. 2 injector is shut off.
No. 3 injector is shut off.
No. 4 injector is shut off.
Using Oscilloscope
(1) Run the engine at idle speed.
shown in the circuit diagram, and check the waveform at
the drive side of each injector.
Measure the power supply voltage of
the injector.
. Connector: Disconnected
. Ignition switch: ON
Engine coolant temperature
At 0°C (3~2°F)"~
At 20°C (68°F)
At 80°C (176°F)
Engine condition
750 rpm (Idling)
Inspection conditions
Engine: idling after warm
sequence during after
engine warm-up, check
the idling condition.)
Standard value
Approx. 21 ms
Approx. 43 ms
Approx. 10 ms
Standard value
Normal indication
The idling condition
changes more.
(Either becomes more un-
stable, or engine stalls.)
I
.