Oxygen Sensor

Heated Oxygen Sensor (HO2S) Output Voltage VS Engine Condition
Right Front HO2S
Key ON engine OFF Below 1.0 V
Idle Below 1.0 V
Deceleration 0-0.5 V
Acceleration 0.5-1.0 V

Left Front HO2S
Key ON engine OFF Below 1.0 V
Idle Below 1.0 V
Deceleration 0-0.5 V
Acceleration 0.5-1.0 V

Right Rear HO2S
Key ON engine OFF Below 1.0 V
Idle Below 1.0 V
Deceleration 0-1.0 V
Acceleration 0-1.0 V

Left Rear HO2S
Key ON engine OFF Below 1.0 V
Idle Below 1.0 V
Deceleration 0-1.0 V
Acceleration 0-1.0 V

Oxygen Sensor Heater Resistance
@ 20°C (68°F) Approx. 6 Ohms