audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

How to Find Wiring Diagrams|Page 1733 > < How to Find Wiring Diagrams|Page 1731
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Engine Speed Sensor: Testing and Inspection

Engine Speed (RPM) Sensor -G28-, Checking

Recommended special tools and equipment

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V.A.G 1526A multimeter

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V.A.G 1594A connector test kit

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V.A.G 1598/31 test box

NOTE:  The engine speed (RPM) sensor -G28- detects RPM and reference marks. The engine cannot be started without a signal from the engine speed
(RPM) sensor -G28-. If the engine speed (RPM) sensor -G28- signal fails while the engine is running, the engine will stop immediately.

Test requirement:

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Ignition switched off.

Procedure

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Before performing test, check sensor for proper installation and proper fitting.

How to Find Wiring Diagrams|Page 1733 > < How to Find Wiring Diagrams|Page 1731