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2. READ VALUE USING TECHSTREAM (OUTPUT VOLTAGE OF HEATED OXYGEN SENSOR) a. Connect the Techstream to the DLC3. b. Turn the ignition switch ON and turn the Techstream ON. c. Enter the following menus: Powertrain/Engine and ECT/Data List/A/F Control System/O2S B1S2 or O2S B2S2. d. Allow the engine to idle. e. Read the Heated Oxygen (HO2) sensor output voltage while idling. Result RESULT CHART B : Go to step 5 A : Go to next step 3. INSPECT HEATED OXYGEN SENSOR (CHECK FOR SHORT) a. Disconnect the D31 or D32 HO2 sensor connector. b. Measure the resistance according to the value(s) in the table below. Standard resistance TESTER CONNECTION SPECIFIED CONDITION NG : REPLACE HEATED OXYGEN SENSOR (See REMOVAL ) HO2 Sensor Output Voltages Proceed To 1.0 V or more A Less than 1.0 V B Tester Connection Condition Specified Condition 2 (+B) - 4 (E2) Always 10 kohms or higher 2 (+B) - 3 (OX1B) Always 10 kohms or higher 2 (+B) - 3 (OX2B) Always 10 kohms or higher
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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