|
|
|
Content .. 1809 1810 1811 1812 ..
DTC P0036/16420, P0037/16421 & P0038/16422: HO2S DOWNSTREAM TWC Code Definition DTC P0036/16420 DTC P0037/16421 DTC P0038/16422 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 1. Check air induction and secondary air injection system for leaks. If no air leaks are found, go to next step. If air leaks are found. Repair as necessary. After repairs, erase DTC memory. Verify repair. Test is 2. Connect Scan Tool. See RETRIEVING DIAGNOSTIC TROUBLE CODES . Start engine and idle for two minutes. Following scan tool manufacturer's instructions, use scan tool to check downstream HO2S 3. Turn ignition off. Raise vehicle and remove HO2 sensors protective cover and disconnect downstream HO2S (G130) harness connector (Brown 4-pin). See Fig. 14 . 4. mileage. After reconnecting ECM, it is necessary to perform relearn procedure. NOTE: If a test ends with ECM replacement, before replacing ECM be certain that, all NOTE: No resistance specification for HO2S heater circuit is given by
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 8:49:54 AM Page 44 © 2004 Mitchell Repair Information Company, LLC. |