A4 Quattro Wagon L4-1.8L Turbo (AWM) (2001)
driverside footwell,
left, position 4
Terminal
19
Engine Ground (GND)
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Switch ignition on.
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Specification: approx. battery voltage
If specified value is not obtained:
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Check wire connections.
If specified value is obtained:
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Check the 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 no malfunctions are detected:
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Replace Fuel Pump (FP) relay -J17-.
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Re-connect Engine Control Module (ECM).
Check voltage supply for Fuel Pump (FP) and components
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Remove fuses S228, S232, and S234 (positions 28, 32, and 34) from fuse holder.
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Initiate output Diagnostic Test Mode (DTM) and activate Evaporative Emission (EVAP) canister purge regulator valve -N80-. Refer to "Scan
Tool Testing/Output Diagnostic Test Mode (DTM) (Function 03)" See: Computers and Control Systems/Testing and Inspection
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Connect multimeter for voltage measurement to Ground (GND) and to one terminal of the following fuses in the fuse holder.