Volkswagen Touran Service Manual: 4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing

Volkswagen Touran Service Manual / Electrical System / Wiring / Heated Oxygen Sensor, Replacing / 4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing

Note

Do not repair the heated oxygen sensor wires. Repairing may result in malfunctions.

Use the faulty sensor as a guide for installing all of the accompanying attachments, cable ties or marking bands.

If necessary, identify the heated oxygen sensor (HO2S) using the protective tube. Refer to → Chapter "Oxygen Sensor Unit Protective Pipes".

Remove the faulty oxygen sensor.

Lay both of the oxygen sensor next to each other so the sensor housings are the same level.

4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing

Tie the excess length of the sensor (approximately 50 to 250 mm) back so it is the same length as the faulty sensor and secure it with cable ties -1-.

Check if the oxygen sensor connector housing is compatible with the vehicle electrical system side.

If necessary, replace the vehicle electrical system connector with the provided oxygen sensor connector housing. Refer to → Chapter "Contact Housings and Connectors, Repairing".

Note

Only replace the connector housing on older vehicles. The connector housing is correct on new vehicles.

Check the pin assignment. The pins in the new connector housing are color coded.

The packaging for the new heated oxygen sensor contains additional information.

Install the new oxygen sensor in the vehicle.

Heated Oxygen Sensor, Replacing

...

6-Pin Universal Oxygen Sensor, Removing and Installing

Note Use the faulty sensor as a guide for installing all of the accompanying attachments, cable ties or marking bands. Do ...

Other materials:

Volkswagen Touran Owners Manual. Operation
First read and observe the introductory information and safety warnings The auxiliary heater exhaust system, located under the vehicle, must not be blocked by snow, mud or other items. The exhaust fumes must not be obstructed in any way. The emissions generated by the auxiliary heater are ...

Volkswagen Touran Service Manual. Aqua Premium System, Touch-Up System for Three Layer Colors
Product Description/Objective To achieve an optically flawless color shade transition in the blended area or adjacent parts, for example fender/door. Application Instructions Base Surface ...