Lancer L4-2.4L SOHC (2005)
Standard Wave Pattern
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. Abnormality in sensor disc.
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Wave pattern characteristics
