Jetta L4-2.0L (AEG) (2000)
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Disconnect 2-pin harness connector to Knock Sensor (KS) 1 -G61- (-1-) and/or 2- pin harness connector to Knock Sensor (KS) 2 -G66- (-2-).
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Measure resistance between terminals 1 + 2 at connections to knock sensors.
Specified value: Infinity ohms
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Remove wiper arms and plenum chamber cover.
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Connect VAG1598/22 test box to control module wiring harness connector.