|
|
|
Content .. 1836 1837 1838 1839 ..
detection pump harness connector terminal No. 2 and B+. See Fig. 37 . 6. Turn ignition on. Using scan tool, activate EVAP Leak Detection Pump (V144). See OUTPUT DIAGNOSTIC TEST MODE . 7. Turn ignition off. Install LED test light at EVAP leak detection pump harness connector terminal No. 3 and Ground. 8. Turn ignition on. Using scan tool, activate EVAP Leak Detection Pump (V144). See OUTPUT DIAGNOSTIC TEST MODE . LED test light should flash during each test. If LED test light does not 9. 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 z EVAP Leak Detection Pump (V144) harness connector terminal No. 1 and test box socket No. 80. z EVAP Leak Detection Pump (V144) harness connector terminal No. 2 and test box socket No. 25. z EVAP Leak Detection Pump (V144) harness connector terminal No. 3 and Fuel Pump Relay (J17). Resistance should be a maximum of 1.5 ohms for each reading. Check harness connector wiring No. 1 10. Replace faulty ECM. See ENGINE CONTROL MODULE REMOVAL & INSTALLATION . Erase DTC memory. Verify repair. Test is complete. Perform ECM relearn procedure. See TEST DRIVE DTC P1475/17883 & P1476/17884: EVAP LEAK DETECTION PUMP - NO SIGNAL Code Definition DTC P1475/17883 DTC P1476/17884 Test Requirements Ensure intake air is less than 140°F (60°C). Ensure engine coolant temperature is less than 176°F (80°C). NOTE: If a test ends with ECM replacement, before replacing ECM be certain that, all
2003 Volkswagen New Beetle GLS 2001-2003 ENGINE PERFORMANCE Self-Diagnostics - 2.0L - Beetle, Golf & Jetta (Engine Codes AVH & AZG)
Helpmelearn Repair Manuals
Wednesday, December 14, 2005 8:50:00 AM Page 152 © 2004 Mitchell Repair Information Company, LLC. |