mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Air Bypass Valve, Turbocharger|Page 506 > < Air Bypass Valve, Turbocharger
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Dashpot: Testing and Inspection
Engine Speed Unit

1.

Connect voltmeter to engine speed unit electrical connector.

2.

Increase engine speed to 2000 RPM, then slowly decrease engine speed.

3.

Record engine speed at which current flows to circuit which should be 1400 to 1600 RPM.

4.

Slowly increase engine speed again and record engine speed at which current does not flow to circuit

5.

If difference in two recorded engine speeds is not between 50 and 250 RPM, replace engine speed unit.

Air Bypass Valve, Turbocharger|Page 506 > < Air Bypass Valve, Turbocharger