audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Engine Speed (RPM) Sensor -G28-, Checking|Page 3461 > < Electronic Throttle Actuator Position Sensor|Testing and Inspection|Page 3456
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Engine Speed Sensor: Testing and Inspection
Engine Speed (RPM) Sensor -G28-, Checking

Engine Speed (RPM) Sensor -G28-, Checking

Special tools and equipment

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VAG1526 A

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VAG1594 A

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VAG1598/31

NOTE:  The engine speed sensor is a combined speed sensor and reference mark sensor. The engine cannot be started without a signal from the
Engine speed (RPM) sensor -G28-. If the signal from the Engine speed (RPM) sensor -G28- fails while the engine is running, the engine will cut
out immediately.

Test sequence

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Before performing test, make sure that sensor is correctly installed and firmly seated.

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Disconnect connector to engine speed sensor, see Fig. 7.

Engine Speed (RPM) Sensor -G28-, Checking|Page 3461 > < Electronic Throttle Actuator Position Sensor|Testing and Inspection|Page 3456