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Component Tests and General Diagnostics|Page 3183 > < Component Tests and General Diagnostics|Page 3181
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Wave Pattern Observation Points

Check that cycle time T becomes shorter when the engine speed increased.

Examples of Abnormal Wave Patterns

Example 1

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Cause of problem
Sensor interface malfunction.

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Wave pattern characteristics
Rectangular wave pattern is output even when the engine is not started.

Example 2

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Cause of problem
Loose timing belt.

Component Tests and General Diagnostics|Page 3183 > < Component Tests and General Diagnostics|Page 3181