Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999)
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Check wiring for open circuit between Test Box and 3-pin harness connector -2- using Wiring diagram.
Terminal 1 + socket 56
Terminal 2 + socket 63
Terminal 3 + socket 2
Wire resistance: Max. 1.5 Ohms
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Check wires for shorting to one another.
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Specification: Infinity Ohms
If wiring OK
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Remove sensor and check sensor wheel for secure fit, damage and run-out.
NOTE:
There is a larger gap on the sensor wheel. This gap is the reference mark and does not mean that the sensor wheel is damaged.
If sensor wheel OK
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Replace Engine Control Module.