A3 Quattro V6-3.2L (BUB) (2008)
If the specified value was not obtained:
-
Check the wiring connection from the Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 electrical harness connector terminal 1
to the Motronic Engine Control Module (ECM) Power Supply Relay J271 terminal 2/87 for an open circuit according to wiring diagram.
If the specified value was not obtained:
-
Check the wiring for a short circuit to Battery positive (+) or an open circuit.
-
Check the electrical harness connector for damage, corrosion, lose or broken terminals.
-
If necessary, repair the wiring connection.
If the specified value was obtained:
Check Ground (GND) activation
-
Using a Multimeter, check the Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 electrical harness connector to Battery positive
(+) for voltage.
Evaporative Emission (EVAP)
Measure to
Canister Purge Regulator Valve
N80 Electrical Harness connector
Terminal
2
Battery positive (+)
-
Operate the starter briefly.
Specified value: battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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 Motronic Engine Control Module (ECM) J220.
Final procedures
After repair work, the following work steps must be performed in the mentioned sequence:
1. Check the DTC memory.
2. If necessary, erase the DTC memory.
3. If the DTC memory was erased, generate readiness code.
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End diagnosis and switch the ignition off.