Allroad Quattro V6-2.7L Turbo (APB) (2002)
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Check DTC memory of Engine Control Module (ECM).
If a malfunction relating to the charge air pressure sensor-G31. is indicated:
Checking voltage supply
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Switch ignition off.
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Remove engine cover (arrows).
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Disconnect connector at charge air pressure sensor.
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Connect multimeter between terminal 1 and 3 of harness connector for voltage measurement.
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Switch ignition on.
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Specification: about 5 V
If specified value is not obtained:
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Connect VAG1598/31 test box to wiring harness for Engine Control Module (ECM), also connect ECM -1-.