Servicing ignition system
Checking knock sensor
Notes:
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◆ It is extremely important to keep to the tightening torque of 20 Nm to ensure the knock sensors perform perfectly.
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◆ Only gold-plated contacts may be used when servicing the knock sensor connector contacts.
Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
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◆ Test box V.A.G 1598/22
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◆ Hand multimeter V.A.G 1526 or multimeter V.A.G 1715
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◆ Adapter set V.A.G 1594
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◆ Current flow diagram
Test conditions
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● Fault "00524 Knock sensor 1-G61" recognized by self-diagnosis
Checking function
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‒ Functional check of knock control and knock sensor
read measured value block, display groups 14 to 17.
Checking resistances and wiring
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