Mitsubishi 1989-1993 GALANT Service Manual page 308

FUEL SYSTEM <SOHC-16 VALVE>
INSPECTION
Using Oscilloscope
HARNESS INSPECTION
I
Check for continuity of the ground
circuit.
l
tor: Disconnected
Check for open circuit or short circuit
to ground, between camshaft position
68
sensor and engine control module.
Engine control module connec-
l
Engine control
tor: Disconnected
module harness
side connector
Crankshaft position sensor connec-
l
tor: Disconnected
Measure the impressed voltage.
Crankshaft position sensor connec-
l
tor: Disconnected
Engine control module connec-
l
tor: Connected
ignition switch: ON
l
TSB Revision
On-Vehicle Inspection of MFI
Voltage (V)
4.8 - 5.2
switch
Ground)
I
module