Mitsubishi 3000GT Service Manual page 360

HARNESS INSPECTION
A B C D
Harness side
connector
A B C D
Harness sid
connector
A B C D
Harness side
connector
SENSOR INSPECTION
Refer to P.l3A-143.
INSTALLATION
Refer to P.l3A-143.
MULTIPORT
On-Vehicle Inspection of MFI
FUEL INJECTION - Components
Measure the power
age of be heated oxygen' sensor.
Connector: Disconnected
l
l
Ignition switch: ON
Battery voltage
Engine control
Check for an open-circuit, or a
module harness
short-circuit to ground, between
side connector
the engine control moduleand the
heated oxygen sensor
73
Heated oxygen sensor con-
l
75
Engine control module con-
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76
Engine control
Check for an open-circuit, or a
module harness
short-circuit to ground, between
side connector
the engine control module and the
heated oxygen sensor.
Heated oxygen sensor con-
l
nector: Disconnected
nector: Disconnected
Check for continuity of the ground
circuit.
Connector: Disconnected
l
TSB Revision
volt-
MFI relay)
Repair the
harness.
4