Mitsubishi FUEL Manual page 175

Measure at the distributor connectors B-42.
D Disconnect the connector and measure at the harness side.
(1) Voltage between 1 and earth (Ignition switch: ON)
OK: System voltage
(2) Continuity between 4 and earth
OK: Continuity
Check the ignition coil.
(Refer to GROUP 16 - Ignition System.)
Check the power transistor unit.
(Refer to GROUP 16 - Ignition System.)
Measure at the distributor connector B-42.
D Disconnect the connector and measure at the harness side.
(1) Voltage between 3 and earth (Engine: Cranking)
OK: 0.5 - 4.0 V
(2) Continuity between 2 and earth
OK: No continuity
Check the connector B-42, and repair if necessary.
MPI <6A1> -
OK
OK
OK
OK
Troubleshooting
(1) NG
Check the following
connectors:C-92,C-131
OK
(2) NG
Check trouble symptom.
NG
Check harness wire be-
tween distributor and igni-
tion switch connector.
OK
Check the ignition switch. (Refer to GROUP 54 - Ignition Switch.)
Check the harness wire between distributor connector and earth,
and repair if necessary.
NG
Replace
NG
Replace
(1) NG
Check the following
connector: C-168
OK
(2) NG
Check trouble symptom.
NG
Replace the engine-ECU.
As short circuit occurs between distributor and combination meter
(tachometer), check the harness wire, and repair if necessary.
13A-175
NG
Repair
NG
Repair
NG
Replace