GTI V6-2.8L (BDF) (2002)
Knock Sensor: Testing and Inspection
With Generic Scan Tool
Check Knock Sensors
NOTE:
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Contact surfaces between knock sensor and cylinder block must be free of corrosion, dirt and grease.
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For the Knock Sensors to function properly, it is important for tightening torque to be exactly 20 Nm.
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Use only gold-plated terminals when servicing terminals in harness connector of knock sensors.
Recommended special tools and equipment
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VAG1526 multimeter or VAG1715 multimeter
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VAG1594 connector test kit
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Wiring diagram
Test requirements
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Knock sensor securing bolt tightened to 20 Nm.
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Ignition switched off.
Checking resistances and wires (Vehicles with engine code AFP)
Knock Sensor (KS) 1 -G61-
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Disconnect white 3-pin harness connector for knock sensor 1 (arrow).
Knock Sensor (KS) 2 -G66-
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Disconnect brown 3-pin harness connector for knock sensor 2 (arrow).