Cabrio GLX L4-2.0L (ABA) (2001)
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Check wiring between test box and 3 pin connector for open circuit according to wiring diagram.
Contact 1 + socket 56
Contact 2 + socket 63
Contact 3 + socket 67
Wire resistance: Max. 1.5 Ohm
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Additionally check wires for short to one another.
If no wiring malfunction is detected:
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Check sensor wheel for proper seating and damage.
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 no malfunction is detected on sensor wheel:
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Replace engine control module.