Lancer LS L4-2.0L SOHC (2002)
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
Cause of problem
-
Sensor interface malfunction.
Wave pattern characteristics
-
Rectangular wave pattern is output even when the engine is not started.
Example 2
Cause of problem
-
Loose timing belt.
-
Abnormality in sensor disc.
