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B : REPAIR COMPLETE A : Go To Next Step 12. PERFORM ACTIVE TEST USING TECHSTREAM (INJECTION VOLUME) Fig. 90: HO2 Sensor Voltage Output Graph a. Connect the Techstream to the DLC3. b. Start the engine and turn the Techstream ON. c. Warm up the engine. d. Enter the following menus: Powertrain/Engine and ECT/Active Test/Control the Injection Volume. e. Change the fuel injection volume using the tester, and monitor the voltage output of Air-Fuel Ratio (A/F) and HO2 sensors displayed on the tester. HINT: Change the fuel injection volume within the range of -12% and +12%. The injection volume The A/F sensor is displayed as AFS B1 S1 or AFS B2 S1, and the HO2 sensor is displayed as Result No DTC is output B
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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