Mitsubishi Eclipse 1990 Service Manual page 557

Measure at the crankshaft poition sensor connector
Connect the connector. (Use the test harness:
Voltage between 2 (black clip) and ground (Engine:
OK:
Voltage between 2 (black clip) and ground (Engine:
idling)
OK: 1.5-2.5
NG
Measure at the crankshaft poition sensor connector
Disconnect the connector, and measure at the harness
side.
1. Voltage between 3 and ground (Ignition switch: ON)
OK: Battery positive voltage
2. Voltage between 2 and ground (Ignition switch: ON)
OK: 4.6-5.2
3. Continuity between 1 and ground
O K :
Check trouble symptom.
NG
Replace the crankshaft poition sensor.
OK
1. NG
I
Repair
Revision
Replace the ECM.
Check the harness wire between the crankshaft poition sensor and
the relay connector. Repair, if necessary.
Check trouble symptom.
Replace the
Check the harness wire between the crankshaft
sensor and the ground. Repair, if necessary.