Beetle L4-2.0L (AEG) (2000)
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Check wires between test box and 2-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram. Wire
resistance: max. 1.5 ohms
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Also check wires for short circuit to each other.
Specified value: Infinite Ohms
If resistances and wires are OK:
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Replace the respective knock sensor:
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Knock Sensor (KS) 1 -G61-, item 7.
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Knock Sensor (KS) 2 -G66-, item 5.
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code.
Checking resistances and wires (Vehicles with engine code AVH, AZG, BDC)
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Disconnect 2-pin connectors from knock sensors.
1
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Knock Sensor (KS) 1 -G61-
2
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Knock Sensor (KS) 2 -G66-
Note: Before disconnecting harness connectors, mark allocation to component.