Mitsubishi FUEL Manual page 90

13A-90
Equipment side
connector
MB991223
MPI <4G6> -
On-vehicle Service
<Oxygen sensor (rear)>
1. Disconnect the oxygen sensor connector and connect
the special tool (test harness set) to the connector on
Oxygen
the oxygen sensor side.
sensor
2. Make sure that there is continuity (11 - 18 W at 20_C)
(rear)
between terminal 3 and terminal 4 on the oxygen sensor
connector.
3. If there is no continuity, replace the oxygen sensor.
NOTE
(1) If the MUT-II does not display the standard value
although no abnormality is found by the above
mentioned continuity test and harness check, replace
the oxygen sensor (rear).
(2) For removal and installation of the oxygen sensor,
refer to GROUP 15 - Exhaust Pipe and Main Muffler.