Service Information

Volt

Heated Oxygen Sensor Replacement - Sensor 1

Callout

Component Name

Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

The High Voltage Disabling procedure will perform the following tasks:

•	Identify how to disable high voltage.

•	Identify how to test for the presence of high voltage.

•	Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

Failure to follow the procedures exactly as written may result in serious injury or death.

Preliminary Procedure

Disable the high voltage system. Refer to High Voltage Disabling and High Voltage Enabling .

Heated Oxygen Sensor

Caution: Refer to Heated Oxygen and Oxygen Sensor Caution in the Preface section.

Caution: Refer to Fastener Caution in the Preface section.

Procedure

Disconnect the electrical connector.
If reinstalling the old sensor, coat the threads with anti-seize compound. Refer to Adhesives, Fluids, Lubricants, and Sealers .

Tighten
42 N·m (31 lb ft)

Special Tools

EN-6129 Remover Installer

For equivalent regional tools, refer to Special Tools : Diagnostic Tools .