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7. Start the engine. 8. Perform the AIR system intrusive operation while the engine is idling. 9. Place your hand near the air switching valve port and check that the exhaust gas pressure pulsates when the ASV is turned ON. 10. Enter the following menus: Powertrain/Engine and ECT/Utility/Air Injection Check/Manual Mode/AIR PUMP 1: ON, AIR PUMP 2: ON, ASV 1: OPEN, ASV 2: OPEN and AIR PUMP 11. Check that the exhaust gas does not pulsate when the ASV is turned OFF. 12. Turn the ignition switch OFF. Standard AIR PUMP OPERATION CHART CAUTION: To avoid the danger of being burned by the exhaust gas, bring your hand close to the valve port slowly. NOTE: This Air Injection Check only allows technicians to operate While AIR system operation using the Techstream is If an Error is displayed on the Techstream during the test, Performing the Air Injection Check repetitively may cause When performing the Air Injection Check operation after Turn the ignition switch OFF when the Air Injection Check Air Pump Operations ASV Operations Exhaust Gas Pulsation ON OFF Not detected ON ON Detected
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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