Cabrio GLX L4-2.0L (ABA) (2001)
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Check wiring between test box and 5 pin connector for open circuit using wiring diagram.
Contact 5 + socket 13
Contact 4 + socket 11
Contact 3 + socket 12
Wire resistance: Max. 1.5 Ohm
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Additionally check wires all for short to one another.
Specification: Infinite Ohm
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Additionally check the wiring for short to battery positive or Ground.
If no wiring malfunction is detected:
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Replace Mass Air Flow (MAF) sensor -G70-.