Mitsubishi Workshop Service and Repair Manuals

Using Scan Tool 

HARNESS INSPECTION 

Check for continuity of the ground circuit.
-

Manifold differential pressure sensor connector:
Disconnected
OK: GO TO STEP 2
NG: Repair the harness. (A2 - 49)

Check for open-circuit, or short-circuit to ground between the engine control module and the manifold differential pressure sensor.
-

Manifold differential pressure sensor connector: Disconnected

-

Engine control module connector: Disconnected
OK: GO TO STEP 3
NG: Repair the harness. (A3 - 92)

Measure the impressed voltage to the manifold differential pressure sensor.
-

Manifold differential pressure sensor connector: Disconnected

-

Engine control module connector: Connected

-

Ignition switch: ON
Voltage (V): 4.8 - 5.2
OK: STOP
NG: Repair the engine control module.