On-Vehicle Inspection of
FUEL SYSTEM
VALVE>
Components
INSPECTION
Using Oscilloscope
HARNESS INSPECTION
I
switch
Harness
connector
Check for continuity of the ground
circuit.
l
position sensor connec-
tor: Disconnected
Ground)
Harness
connector
68
Engine control
module harness
side connector
l
Crankshaft position sensor connec-
tor: Disconnected
I
Check for open circuit or short circuit
to ground, between camshaft position
sensor and engine control module.
l
Engine control module connec-
tor: Disconnected
Measure the impressed voltage.
l
Crankshaft position sensor connec-
tor: Disconnected
l
Engine control module connec-
tor: Connected
l
ignition switch: ON
Voltage
4.8 5.2
module
TSB Revision
Summary of Contents for 1989 Galant
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