GLI L4-2.0L Turbo (BPY) (2008)
If the specification was obtained:
Checking Voltage supply
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Using a multimeter, check the Wastegate Bypass Regulator Valve N75 electrical harness connector terminal 1 to Ground (GND).
Wastegate Bypass Regulator
Measure to
Valve N75 electrical harness
connector terminal
1
Engine Ground (GND)
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Operate the starter briefly.
Specified value: battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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Check the wiring from the Wastegate Bypass Regulator Valve N75 electrical harness connector terminal 1 to the Engine Component Power
Supply Relay J757 socket 2/87 for a open circuit or a short circuit to Ground (GND).
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Check the electrical harness connector for damage, corrosion, lose or broken terminals.
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If necessary, repair the wiring connection.
If no malfunctions are found in the wiring:
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 Motronic Engine Control Module (ECM) J220.
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Using a multimeter, check the Wastegate Bypass Regulator Valve N75 electrical harness connector terminal 2 to Motronic Engine Control Module
(ECM) J220 electrical harness connector T60 terminal 4 for an open circuit.
Wastegate Bypass Regulator
Motronic Engine Control Module