mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Ignition Control Module|Testing and Inspection|Page 3886 > < Ignition Control Module|Testing and Inspection
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Standard Wave Pattern

Standard wave pattern

Wave Pattern Observation Points

Point:  Condition of wave pattern build-up section and maximum voltage (Refer to abnormal wave pattern examples 1 and 2.

Examples of Abnormal Wave Patterns

Example 1 (Wave pattern during engine cranking)

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Cause of problem
Open-circuit in ignition primary circuit

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Wave pattern characteristics
Top-right part of the build-up section cannot be seen, and voltage value is approximately 2 volts too low.

Ignition Control Module|Testing and Inspection|Page 3886 > < Ignition Control Module|Testing and Inspection