TT Coupe L4-2.0L Turbo (BPY) (2008)
If the specification was obtained:
Checking Voltage supply
-
Using a multimeter, check the Wastegate Bypass Regulator Valve N75 electrical harness connector terminal 1 to Ground (GND).
Wastegate Bypass Regulator Valve
Measure to
N75 electrical harness connector
terminal
1
Engine Ground (GND)
-
Operate the starter briefly.
Specified value: battery voltage.
-
Switch the ignition off.
If the specification 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, loose or broken terminals.
-
If necessary, repair the wiring connection.
If no malfunction is found in the wiring:
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 Wastegate Bypass Regulator Valve N75 electrical harness connector terminal 2 to the Engine Control Module
(ECM) J623 electrical harness connector T60 terminal 4 for resistance.
Turbocharger Recirculating
Engine Control Module (ECM)
Valve N249 electrical harness
J623 electrical connector T60
connector terminal
terminal or test box socket
2
4