TT L4-1.8L Turbo (BEA) (2004)
Engine Speed Sensor: Testing and Inspection
With Manufacturer's Scan Tool
Engine Speed (RPM) Sensor -G28-, Checking
Special tools and equipment
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VAG1526A
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VAG1594A
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VAG1598/31
NOTE: The engine speed (RPM) sensor detects RPM and reference marks. The engine cannot be started without a signal from engine speed (RPM)
sensor -G28-. If the engine speed (RPM) sensor -G28- signal fails while engine is running, engine will stop immediately.
Test sequence
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Before performing test, check sensor for proper installation and proper fitting.
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Disconnect harness connector for the engine speed (RPM) sensor (identification: gray harness connector).