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1A-109 Engine General Information and Diagnosis: DTC Confirmation Procedure WARNING !
• When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident. • Road test should be carried out by 2 persons, a driver and a tester, on a level road.
NOTE °C (14 °F) to 80 °C (176 °F) • Intake air temperature: –10 °C (14 °F) to 70 °C (158 °F) • Engine Coolant temperature: 70 °C (158 °F) to 150 °C (302°F) • Altitude (barometric pressure): 2400 m, 8000 ft or less (560 mmHg, 75 kPa or more)
1) With ignition switch turned OFF, connect scan tool. then stop vehicle and run engine at idle speed for 60 sec. or more. 6) Repeat Step 4). DTC Troubleshooting NOTE
Step Action Yes No 1 Was “Engine and Emission Control System Check” Go to Step 2. Go to “Engine and 2 Is there DTC(s) other than fuel system (DTC P0171 / P0172) Go to applicable DTC Go to Step 3. 3 HO2S-2 and its circuit check OFF. 2) Warm up engine to normal operating temperature and keep it at 2000 r/min. for 60 sec. 3) Repeat racing engine (Repeat depressing accelerator pedal 5 to 6 times continuously to enrich A/F mixture and Does HO2S-2 output voltage indicate deflection between Go to “DTC P0171 / Go to Step 4. |