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RELEARN PROCEDURE . 9. Check to see if EVAP canister purge valve (N80) is stuck in the open position. If EVAP canister purge valve is okay go to next step. If EVAP canister purge valve is not okay, repair as necessary. See DTC 10. Check MAF sensor (G70). See DTC P0101/16485, DTC P0102/16486 & DTC P0103/16487 . If MAF 11. Turn ignition off. For Passat, see Fig. 18 . For all other models. Raise vehicle and remove HO2 sensors protective cover and disconnect upstream HO2S (G39) harness connector (black 6-pin), see Fig. 19 . Go 12. 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 Upstream HO2S connector terminal No. 1 and test box socket No. 70. z Upstream HO2S connector terminal No. 2 and test box socket No. 71. z Upstream HO2S connector terminal No. 5 and test box socket No. 51. z Upstream HO2S connector terminal No. 6 and test box socket No. 52. Resistance should be a maximum of 1.5 ohms for each reading. Check wiring in upstream HO2S 6-pin DTC P0197/16581 & DTC P0198/16582 (PASSAT) Code Definition z DTC P0197/16581: Engine Oil Temperature Sensor (G266) - Signal Too Low z DTC P0198/16582: Engine Oil Temperature Sensor (G266) - Signal Too High Test Requirements Ensure oil level is correct. Ensure all fuses are okay, battery voltage is at least 11.5 volts and fuel pump relay is NOTE: If MAF sensor (G70) malfunctions, a DTC for MAF sensor should be NOTE: DTC P0197/16581 and P0198/16582 are for Passat only.
2003 Volkswagen New Beetle GLS 2002-2003 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo
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