EG-249 ENGINE – SFI SYSTEM (2JZ–GE) Ohmmeter +B HT P11484 3. California only: INSPECT HEATER RESISTANCE OF MAIN HEATED OXY- GEN SENSORS (a) Disconnect the oxygen sensor connectors. (b) Using an ohmmeter, measure the resistance between the terminals +B and HT. Resistance: At 20°C (68°F) 11–16 Ω If the resistance is not as specified, replace the sensor. Torque: 44 N·m (450 kgf·cm, 33 ft·lbf) (c) Reconnect the oxygen sensor connectors.