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EC-418 [QG (WITH EURO-OBD)] DTC P1143, P1163 HO2S1 (A/T MODELS) 3. CLEAR THE SELF-LEARNING DATA With CONSULT-II 1. Start engine and warm it up to normal operating temperature. 2. Select “SELF-LEARNING CONT” in “WORK SUPPORT” mode with CONSULT-II. 3. Clear the self-learning control coefficient by touching “CLEAR”. 4. Run engine for at least 10 minutes at idle speed. Without CONSULT-II 1. Start engine and warm it up to normal operating temperature. 2. Turn ignition switch “OFF”. 3. Disconnect mass air flow sensor harness connector, and restart 4. Stop engine and reconnect mass air flow sensor harness con- 5. Make sure that DTC P0102 is displayed. 6. Erase the DTC memory. Refer to EMISSION-RELATED DIAGNOSTIC INFORMATION" . 7. Make sure that DTC P0000 is displayed. 8. Run engine for at least 10 minutes at idle speed. Yes or No Yes >> Perform trouble diagnosis for DTC P0171, P0174. Refer to . No >> GO TO 4. 4. CHECK HEATED OXYGEN SENSOR 1 HEATER Refer to EC-164, "Component Inspection" . OK or NG OK >> GO TO 5. NG >> Replace malfunctioning heated oxygen sensor 1. 5. CHECK HEATED OXYGEN SENSOR 1 Refer to EC-419, "Component Inspection" . OK or NG OK >> GO TO 6. NG >> Replace malfunctioning heated oxygen sensor 1. 6. CHECK INTERMITTENT INCIDENT Refer to EC-138, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" . For circuit, refer to . >> INSPECTION END SEF215Z MBIB0096E |