volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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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-

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Knock Sensor (KS) 2 -G66-

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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. See: Powertrain Management/Computers
and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase
Diagnostic Data 

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Generate readiness code.   See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles
and Readiness Codes

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