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or O2S B2 S2. d. Allow the engine to idle. e. Read the Heated Oxygen (HO2) sensor output voltage while idling. Standard voltage: Less than 1.0 V OK: Go to step 5 NG: Go to step 3 3. INSPECT HEATED OXYGEN SENSOR a. Disconnect the D31 or D32 HO2 sensor connector. Fig. 96: Identifying Terminals Of D31 Or D32 HO2 Sensor Connector b. Measure the resistance according to the value(s) in the table below. Standard resistance RESISTANCE SPECIFIED CONDITION NG: REPLACE HEATED OXYGEN SENSOR (See REMOVAL ) OK: Go to Next Step 4. CHECK HARNESS AND CONNECTOR (HEATED OXYGEN SENSOR - ECM) a. Turn the ignition switch off and wait for 5 minutes. b. Disconnect the D74 ECM connector. Tester Connection Condition Specified Condition 2 (+B) - 3 (OX1B) Always 10 kohms or higher 2 (+B) - 4 (E1) Always 10 kohms or higher 2 (+B) - 3 (OX2B) Always 10 kohms or higher 2 (+B) - 4 (E1) Always 10 kohms or higher
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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