Oxygen Sensor Heater

Oxygen sensor heater may be used only on various models and oxygen sensor applications. See OXYGEN SENSOR APPLICATION table.

OXYGEN SENSOR APPLICATION

Application/ Model

Main Oxygen Sensor

Sub-Oxygen Sensor

Sensor Heater

Non-Turbo

⁽⁴⁾ X

⁽¹⁾ X

⁽⁵⁾ X

Turbo

⁽²⁾⁽³⁾ X

⁽¹⁾	Applies to California emission vehicles.

⁽²⁾	Heater used on sub-oxygen sensor.

⁽³⁾	Heater used on main oxygen sensor.

⁽⁴⁾	Two required.

⁽⁵⁾	Heater used on main and sub-oxygen sensors on Calif.

OXYGEN SENSOR HEATER RESISTANCE SPECIFICATIONS ⁽¹⁾

Application

Ohms @ 68°F (20°C)

Supra

11-16

⁽¹⁾	Measure resistance between sensor terminals +B and HT. For terminal ID, see the illustration in appropriate SYSTEM/COMPONENT TESTS article. Non-turbo models, see SYSTEM/COMPONENT TESTS - NON-TURBO . For turbo models, see SYSTEM/COMPONENT TESTS - TURBO