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. (A1 - 74)

STEP 3. Measure the sensor feed 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: ON

Voltage: 4.8 - 5.2 V