Mirage Sedan DE L4-1468cc 1.5L SOHC MFI (1997)
Wave Pattern Observation Points
Check to be sure that cycle time T becomes shorter when the engine speed increases.
Examples of Abnormal Wave Patterns
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Example 1
CAUSE OF PROBLEM
Sensor interface malfunction
WAVE PATTERN CHARACTERISTICS
Rectangular wave pattern is output even when the engine is not started.
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Example 2
CAUSE OF PROBLEM
Loose timing belt
Abnormality in sensor disk
WAVE PATTERN CHARACTERISTICS
Wave pattern jumps to the left or right.