Sub-Oxygen Sensor Heater (Calif. 2WD Models)
- Disconnect electrical connector from sub-oxygen sensor. Using ohmmeter, measure resistance between sensor terminals +B and HT. See Fig 1.
- Replace sub-oxygen sensor if resistance is not within specification. See SUB-OXYGEN SENSOR HEATER RESISTANCE SPECIFICATIONS table.
SUB-OXYGEN SENSOR HEATER RESISTANCE SPECIFICATIONS
| Application | Ohms |
|---|---|
| T100 | 11.7-14.3 @ 68°F (20°C) |