A6 Sedan V6-3.2L (BKH) (2007)
Fuel Pressure Sensor/Switch: Testing and Inspection
Low Fuel Pressure Sensor G410, Checking
Low Fuel Pressure Sensor G410 , Checking
Special tools, testers and auxiliary items required
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Multimeter V.A.G 1526 A or equivalent.
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Test Box 105 Pin VAG1598/42 .
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Adapter Lead VAG 1598/39 VAG1598/39-1 .
Test requirements
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Fuel Pump (FP) Control Module J538 OK; check Fuel supply.
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The fuel filter OK
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The fuses for the engine electronics OK.
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The parking brake engaged.
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The battery voltage at least 12.5 V.
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The selector lever of automatic transmission in position "P" or "N".
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All electrical consumers switched off (radiator fan must NOT run during test).
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A/C switched off.
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The fuel tank at least 1 / 4 filled.
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The ignition switched off.
Procedure
Checking voltage
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Disconnect the electrical harness connector - 1 - from the Low Fuel Pressure Sensor G410.
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Using the Multimeter V.A.G. 1526 A or equivalent, check the electrical harness connector for voltage.
Harness connector Terminal
Specified value
1 to Battery positive (+)
Battery positive (+)
2 to Ground (GND)
Battery positive (+)
3 to Ground (GND)
about 5 V
If specified value is obtained:
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Replace the Low Fuel Pressure Sensor G410 , note the following: