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TYPICAL MALFUNCTION THRESHOLDS TYPICAL MALFUNCTION THRESHOLDS WIRING DIAGRAM Refer to DTC P0102 . CONFIRMATION DRIVING PATTERN HINT: Performing this confirmation pattern will activate the mass air flow performance monitor. Fig. 55: Vehicle Speed Graph 1. Connect the Techstream to the DLC3. 2. Turn the ignition switch to ON. 3. Turn the Techstream ON. 4. Clear DTCs. (See DTC CHECK/CLEAR ). 5. Start the engine, and warm it up until the engine coolant temperature reaches 70°C (158°F) or higher. 6. Drive the vehicle at approximately 100 km/h (62 mph) for 20 seconds or more. EVAP leak detection pump OK EVAP vent valve OK Both of following conditions 1 and 2 - 1. Averaged engine load value ratio Less than 0.85, or more than 1.20 (varies with estimated engine 2. Averaged air-fuel ratio Less than -15%, or more than 15%
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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