eagle Workshop Repair Guides

Eagle Workshop Service and Repair Manuals

With Federal or Canada Emissions|Page 2941 > < With Federal or Canada Emissions|Page 2939
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Air Flow Sensor

Air Flow Sensor

Air Flow Sensor

NOTE:  Check to be sure that cycle time T becomes shorter and the frequency increases when the engine speed is increased.

EXAMPLES OF ABNORMAL WAVE PATTERNS

Example 1 - Sensor interface malfunction

Wave pattern characteristics
-

Rectangular wave pattern is Output even when the engine is not started.

Example 2 - Damaged rectifier or vortex generation column

Wave Pattern Characteristics
-

Unstable wave pattern with non-uniform frequency.

-

However when an ignition leak occurs during acceleration the wave pattern will be distorted temporarily even if the volume air flow sensor is
normal.

HARNESS TESTING

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