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CONFIRMATION DRIVING PATTERN". HINT If no exhaust gas leaks are present, a malfunction in the heated oxygen sensor circuit is If any exhaust gas leaks are present around the heated oxygen sensor, noise appears in the 4. PERFORM CONFIRMATION DRIVING PATTERN Fig. 201: Vehicle Driving Pattern a. Connect the Techstream to the DLC3. b. Clear DTC (See DTC CHECK/CLEAR ). HINT Even if no DTCs are stored, perform the DTC clear operation to start alcohol concentration c. Start the engine. HINT After clearing the DTCs, the engine may become difficult to start if the concentration of alcohol in d. Warm up the engine until the engine coolant temperature becomes 75°C (167°F) or more. e. Drive the vehicle at 32 km/h (20 mph) or more for 2 minutes. f. After this driving make sure that the Data List "Alcohol Density Learning" is "Compl". g. Perform the drive pattern. 1. Accelerate the vehicle to 80 km/h (50 mph) and stop the vehicle. 2. Drive the vehicle between 60 and 80 km/h (35 and 50 mph) for 5 minutes. h. Enter the following menu Powertrain/Engine and ECT/Trouble Codes. i. Read the DTCs.
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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