Celica ST Ltd Ed Liftback L4-1762cc 1.8L DOHC MFI (1997)
Oxygen Sensor: Testing and Inspection
COMPONENTS FOR REMOVAL AND INSTALLATION
HEATED OXYGEN SENSOR INSPECTION
1. REMOVE SCUFF PLATE, COWL SIDE TRIM, RH FRONT SEAT AND FLOOR CARPET
2. DISCONNECT HEATED OXYGEN SENSOR CONNECTOR
3. INSPECT HEATER RESISTANCE OF HEATED OXYGEN SENSOR
Using an ohmmeter, measure the resistance between the terminals +B and HT.
Resistance: At 20°C (68°F): 11 - 16 Ohms
If the resistance is not as specified, replace the heated oxygen sensor.
4. RECONNECT HEATED OXYGEN SENSOR CONNECTOR
5. REINSTALL FLOOR CARPET, RH FRONT SEAT, COWL SIDE TRIM AND SCUFF PLATE
