Mitsubishi Workshop Service and Repair Manuals

INSPECTION USING SCAN TOOL

HARNESS INSPECTION

STEP 1: Check for continuity of the ground circuit.

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Manifold differential pressure sensor connector: Disconnected
OK: GO TO STEP 2
NG: Repair the harness. (A2-92)

STEP 2: Check for open-circuit, or short-circuit to ground between the engine control module and the manifold differential pressure sensor.

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Manifold differential pressure sensor connector: Disconnected

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Engine control module connector: Disconnected
OK: GO TO STEP 3
NG: Repair the harness. (A3-74)

STEP 3: Measure the impressed voltage to the manifold differential pressure sensor.

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Manifold differential pressure sensor connector: Disconnected

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Engine control module connector: connected

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Ignition switch: 4.8-5.2 V
OK: STOP
NG: Repair the engine control module