A6 Quattro Sedan V6-3.2L (BKH) (2005)
Fuel Pressure Sensor: Testing and Inspection
Low Fuel Pressure Sensor, Checking
Low Fuel Pressure Sensor, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› Fuel Pump (FP) Control Module (J538)OK
‹› Fuses for engine electronics OK.
‹› Fuel filter OK.
‹› Parking brake engaged.
‹› Battery voltage at least 12.5 V.
‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".
‹› All electrical consumers such as, lights and rear window defroster, switched off (radiator fan must not run during test).
‹› A/C switched off.
‹› The fuel tank at least 1/4 full.
‹› Ignition switched off.
Test procedure
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Perform a preliminary check to verify the customer's complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check.
Checking voltage
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Disconnect the electrical harness connector - 1 -from the Low Fuel Pressure Sensor (G410).
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Using a Multimeter , check the electrical harness connector terminals for voltage.