Communication

General notes

~1min read

Mobile online services are available only in conjunction with a radio/RNS -RX1-. For vehicles equipped with a telephone, the telephone functions are integrated into the emergency call module control unit and communication unit -J949-.

Fault finding

The mobile online services system is capable of self-diagnosis.

For fault finding → Vehicle diagnostic tester use “Guided fault finding” mode.

Note In order to deal with complaints, it is absolutely necessary to understand the functions of the mobile online services system. For additional information refer to the → Operating manual, → Current flow diagrams, Electrical fault finding and Fitting locations. After the battery has been connected, check the operation of electrical equipment (clock, convenience electronics and so on) according to the workshop manual → Electrical system; Rep. gr.27 and/or to the → Operating manual.

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.