GLI L4-2.0L Turbo (CCTA) (2008)
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Using a multimeter, check the Wastegate Bypass Regulator Valve N75 terminals 1 to 2 for resistance.
Specified value: 20 to 30 Ohms (at approx. 20 degrees C)
If the specified value was Not obtained:
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Replace the Wastegate Bypass Regulator Valve N75.
If the specified value was obtained:
Checking Voltage supply
Wastegate Bypass Regulator
Measure to
Valve N75 electrical harness
connector terminal
1
Engine Ground (GND)
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Start the engine.
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Using a multimeter, check the Wastegate Bypass Regulator Valve N75 electrical harness connector terminal 1 to engine ground.
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 for a short circuit to ground, high resistance or an open circuit.
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the wiring connection.
If the specified value was obtained:
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) J623.