A6 Quattro Sedan V6-2.7L Turbo (APB) (2000)
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Check following wire connections for open circuit and short circuit to Ground (GND) and B+:
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Repair open circuit or short circuit if necessary.
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If the specified value is met:
Checking signal wire
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Disconnect harness connector at charge air pressure sensor.
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Connect multimeter to socket 101 and socket 108 of test box for voltage measurement.
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Start engine and run at idle.
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Specification: about 1.90 V
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Bring engine to RPM by depressing pedal suddenly.
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Specification: approximately 2.00 ... 3.00 V
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If specified values are not obtained:
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Check following wire connection for open circuit and short circuit to Ground (GND) and B+:
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Repair open circuit or short circuit if necessary.
If wire connection is OK:
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Replace charge air pressure sensor -G31-.