volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Checking resistances and wiring

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Separate 2-pin connector to Knock sensor (KS) 1 -G61- -1- and/or 2- pin connector to Knock sensor (KS) 2 -G66- -2-.

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Measure resistance between the contacts 1+2 at connections to knock sensors.
Specification: Infinity Ohms

If the specification is not obtained:

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Replace knock sensor(s)

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Check DTC memory, if necessary, repair any faults and then erase DTC memory.
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Clearing Diagnostic Trouble Codes

If the specification is obtained:

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Remove wiper arms and cowl panel.

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