When Monitored and Set Condition
- When Monitored: Engine Running and Heater duty cycle greater than 0%
- Set Condition: The PCM detects the O2 Heater voltage is out of acceptable range. Below 0.0926 volt.
| Possible CauseS |
|---|
| O2 HEATER CONTROL SHORT TO GROUND |
| O2 HEATER ELEMENT |
| POWERTRAIN CONTROL MODULE |
For a complete Powertrain Control Module Circuit Diagram, (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .