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z DTC P1546/17954: Wastegate By-Pass Regulator Valve (N75) - Short To B+ z DTC P1547/17955: Wastegate By-Pass Regulator Valve (N75) - Short To Ground z DTC P1548/17956: Wastegate By-Pass Regulator Valve (N75) - Open Circuit Test Requirements Ensure all fuses are okay, battery voltage is at least 11.5 volts and fuel pump relay is okay. Ensure all electrical Test Procedure - Wastegate By-Pass Regulator Valve 1. Turn ignition off. Locate wastegate by-pass regulator valve. See COMPONENT LOCATIONS . Check hoses to wastegate by-pass regulator valve (N75). If hoses are okay, go to next step. If hoses are not okay, 2. Disconnect wastegate by-pass regulator valve harness connector. Measure resistance between valve terminals. See Fig. 39 or Fig. 40 . If resistance is between 25-35 ohms, go to next step. If resistance is not 3. Connect Scan Tool. See RETRIEVING DIAGNOSTIC TROUBLE CODES . Turn ignition on, engine off. Using scan tool, activate wastegate by-pass regulator valve. See OUTPUT DIAGNOSTIC TEST 4. Disconnect wastegate by-pass regulator valve harness connector. See COMPONENT LOCATIONS . Using adapter cables from Test Kit (VAG 1594), connect Voltage Tester (VAG 1527) to wastegate by- 5. Turn ignition off. Disconnect ECM harness connector, leave ECM disconnected from test box. Connect Test Box (VAG 1598/31) to ECM harness connector. See CONNECTING VAG TEST BOX . Using NOTE: When diagnosing DTCs P1546/17954-1557/17965 first check turbocharger NOTE: When using scan tool to activate wastegate by-pass regulator valve, it is barely
2003 Volkswagen New Beetle GLS 2002-2003 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo
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