Mitsubishi 3000GT Service Manual page 355

HARNESS INSPECTION
A B 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 supply volt-
age of the heated oxygen sensor.
Connector: Disconnected
l
l
Ignition switch: ON
Battery voltage
Check for an open-circuit, or a
short-circuit to ground, between
the enginecontrol module and the
heated oxygen sensor.
l
Heated oxygen sensor con-
nector: Disconnected
Engine control module con-
l
nector: Disconnected
Check for continuity of the ground
circuit.
Connector: Disconnected
l
TSB Revision
Repair the
harness.
( A l , Bl -
3
Repair the
harness.