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OK (a) Disconnect the HO2 sensor connector. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance: TESTER CONNECTION CONDITION SPECIFIED CONDITION 2 (+B) - 3 (OX1B) Always 10 kΩ or higher 2 (+B) - 3 (OX2B) Always 10 kΩ or higher 2 (+B) - 4 (E1) Always 10 kΩ or higher HINT: Perform "Inspection After Repair" after replacing the heated oxygen sensor
. NG REPLACE HEATED OXYGEN SENSOR 3. CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT) (a) Turn the ignition switch off and wait for 5 minutes. (b) Disconnect the ECM connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance: TESTER CONNECTION CONDITION SPECIFIED CONDITION D74-45 (HT1B) - D74-114 (OX1B) Always 10 kΩ or higher D74-44 (HT2B) - D74-112 (OX2B) Always 10 kΩ or higher NG REPAIR OR REPLACE HARNESS OR CONNECTOR OK REPLACE ECM 4. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE INJECTION VOLUME FOR A/F SENSOR) (a) Connect the Techstream to the DLC3. (b) Start the engine. (c) Turn the Techstream on. (d) Warm up the engine. (e) Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Volume for A/F Sensor / 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0136-P0139,... |