A4 Quattro Wagon V6-3.2L (BKH) (2005)
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Using a multimeter , check the Low Fuel Pressure Sensor G410 electrical harness connector for voltage.
Low Fuel Pressure Sensor G410
Specified
electrical harness connector terminals
value
1 to Battery positive (+)
Battery voltage (+)
2 to Ground (GND)
Battery voltage (+)
3 to Ground (GND)
about 5 V
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Switch the ignition off.
If the specified values are obtained:
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Replace the Low Fuel Pressure Sensor G410 , note the following:
NOTE: The 3.2L 6-Cyl. 4 V (BKH) engine is equipped with two different Low Fuel Pressure Sensors G410 designs. One design is integrated into
the high pressure fuel pump and must be replaced as a complete assembly. The second design is not integrated into the high pressure fuel pump
and may be replaced separately.
If the specified values are not obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
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Install the test box.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Engine Control Module (ECM) J623.
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Using a Multimeter, check the Low Fuel Pressure Sensor G410 electrical harness connector terminals to the Engine Control Module (ECM) J623
electrical harness connector T60 terminals for an open circuit according to the wiring diagram.
Low Fuel Pressure Sensor
Engine Control Module
G410 electrical harness
(ECM) J623 electrical connector
connector terminals
T60 terminals or test box socket
1
40
2
49
3
29
Specified value: 1.5 Ohms Max.
If the specification was not obtained: