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Component Tests and General Diagnostics|Page 2695 > < Component Tests and General Diagnostics
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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.

Example 2  

Cause of problem:

-

Damaged rectifier or vortex generation column.

Wave pattern characteristics:

-

Unstable wave pattern with non-uniform frequency. An ignition leak will distort the wave pattern temporarily, even if the volume air flow
sensor is normal.

Component Tests and General Diagnostics|Page 2695 > < Component Tests and General Diagnostics