Passat Wagon L4-1781cc 1.8L Turbo (AEB) (1998)
G61: G66:
Terminal 1 + socket 68
60
Terminal 2 + socket 67
67
Terminal 3 + socket 2
2
Wire resistance: Max. 1.5 Ohms
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Check wiring at socket 67 for short to sockets 60 and 68.
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Specification: Infinity Ohms
If wiring OK
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Loosen knock sensor and tighten again
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20 Nm (15 ft lb) CRITICAL TORQUE
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Perform road test.
During road test following operating conditions must be fulfilled:
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Engine Coolant temperature must exceed 80 °C .
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After Engine Coolant Temperature is reached, the following operating conditions must be attained several times: Closed throttle (idle) Partial
throttle Wide Open Throttle Overrun
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At Wide Open Throttle, engine speed must exceed 3500 rpm.
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Check ECM Diagnostic Trouble Code memory.
If knock sensor DTC still stored
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Replace knock sensor(s)