A4 Quattro Sedan V6-2.8L (ACK) (1997)
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Switch multimeter to 20 VDC measuring range.
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Check wiring at 3-pin connector for short circuit to B+ (battery positive voltage), according to applicable wiring diagram.
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Connector terminal 1 to vehicle Ground
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Connector terminal 2 to vehicle Ground
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Specified value: 0 volts
If wiring is OK:
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Replace Mass Air Flow sensor (MAF) -G70-.
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Check readiness code. If Diagnostic Trouble Code (DTC) memory has been erased, or ECM was disconnected, generate new readiness code.
