A6 Quattro Sedan V8-4.2L (BVJ) (2007)
If the specified values are obtained:
-
Replace the Fuel Pressure Sensor G247.
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 Fuel Pressure Sensor G247 electrical harness connector terminals to the Engine Control Module (ECM) J623
electrical harness connector T60a terminals for an open circuit.
Fuel Pressure Sensor
Engine Control Module
G247 electrical
(ECM) J623 electrical
harness connector
connector T60a terminals
terminals
or test box socket
1
14
2
25
3
26
Specified value: 1.5 Ohms Max.
If the specification is 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 detected in the wiring:
-
Replace the Engine Control Module (ECM) J623.
Assembly is performed in the reverse order of removal.
-
Install the intake manifold.
Final procedures
After 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.
