A6 Quattro Sedan V8-4.2L (BVJ) (2007)
If the specified values are not obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
-
Install the test box.
If the manufacturers test box is not being used. Perform the following step.
-
Remove the Engine Control Module (ECM) J623.
-
Using a Multimeter, check the Low Fuel Pressure Sensor G410 electrical harness connector terminals to the Engine Control Module (ECM) J623
electrical harness connector T94a terminals for an open circuit.
Low Fuel Pressure Sensor
Engine Control Module (ECM) J623
G410 electrical harness
electrical connector T94a terminals
connector terminals
or test box socket
1
53
2
35
3
19
Specified value: 1.5 Ohms Max.
If the specified value was not obtained:
-
Check the wiring for a short circuit to each other, Battery (+), Ground (GND), or an open circuit.
-
Check the electrical harness connector for damage, corrosion, lose or broken terminals.
-
If necessary, repair the faulty wiring connection.
If no malfunction is found in the wiring and the voltage supply was not OK:
-
Replace the Engine Control Module (ECM) J623.
Assembly is performed in the reverse order of removal.
Final procedures
After the repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 3:
Interrogating DTC Memory
2. If necessary, erase the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic
Mode 4: Reset/Delete Diagnostic Data
3. If the DTC memory was erased, generate readiness code.
-
End of diagnosis.