Allroad Quattro V8-4.2L (BAS) (2004)
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Check the following circuit connections for open circuits and shorts to ground and/or battery positive (+):
Connector terminal
Test box V.A.G 1598/22 Socket
2
16
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Repair short circuit and/or circuit malfunction using circuit diagram
If no problem is found, but the diagnosis pump still does not work during the Output check diagnosis:
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Replace Leak Detection Pump (LDP).
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Observe the measures after reconnecting the ECM
Input circuit checking - Vehicles with mechanical accelerator operation
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Input circuit checking - Vehicles with mechanical accelerator operation.
WARNING: To avoid damaging electrical components, select the appropriate measurement settings on the measuring device before connecting to the
components.
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Check the following circuit connections for open circuits and shorts to ground and/or battery positive (+):
Connector terminal
Test box V.A.G 1598/22 Socket
1
37
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Repair short circuit and/or circuit malfunction using circuit diagram
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Observe the measures after reconnecting ECM
