mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Ignition Control Module|Testing and Inspection|Page 1673 > < Ignition Control Module|Testing and Inspection
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Terminal No. 20 for the number 3 cylinder.

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Terminal No. 21 for the number 4 cylinder.

Wave Pattern Observation Points

Point: The power transistor control signal (ignition timing) is advanced when the engine speed is increased.

Examples of Abnormal Wave Patterns

Example 1 (Wave pattern during engine cranking)

Cause of problem

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Open-circuit in ignition primary circuit

Ignition Control Module|Testing and Inspection|Page 1673 > < Ignition Control Module|Testing and Inspection