Inspection Of Air Flow Meter

INSPECT RESISTANCE OF AIR FLOW METER

Using an ohmmeter, measure the resistance between each terminal by moving the measuring plate.

Terminals

Resistance U

Measuring plate opening

FC - E1

Infinity

Fully closed

Zero

Other than closed posit>on

VS - €2

200 - 600

Fully closed

20- 1.200

Fully open

HINT: Resistance between VS and E2 will change in a wave pattern as the measuring plate slowly opens. If the resistance is not as specified, replace the meter.

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