100CS Quattro Wagon V6-2.8L (AAH) (1992)
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Specified value: max. 1 (ohm)
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Check for continuity between H02S 2 -G108- signal wire and test box socket 48.
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Specified value: max. 1 (ohm)
If specified values are not obtained:
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Repair open or short circuit in wiring connection between connector in engine compartment and terminal 50 and/or 48 of ECM connector A
according to wiring diagrams.
If there is no malfunction in wiring connection:
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Replace ECM.