|
|
DTC P1147, P1167 HO2S2 EC-1627 [VG33ER] C D E F G H I J K L M A EC 2. 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 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 and run engine for at least 5 seconds at 4. Stop engine and reconnect mass air flow sensor harness connector. 5. Make sure DTC P0102 is displayed. 6. Erase the DTC memory. Refer to EC-1233, "HOW TO ERASE EMISSION-RELATED DIAGNOSTIC 7. Make sure 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 3. 3. CHECK HO2S2 GROUND CIRCUIT FOR OPEN AND SHORT 1. Check harness continuity between HO2S2 terminal 4 and engine ground. 2. Also check harness for short to power. OK or NG OK >> GO TO 5. NG >> GO TO 4. 4. DETECT MALFUNCTIONING PART Check Harness for open between heated oxygen sensor 2 and engine ground. >> Repair open circuit or short to power in harness or connectors. SEF968Y Continuity should exist. |