Volkswagen Workshop Service and Repair Manuals > Polo Mk4 > Vehicle electrics | Communication | Infotainment | Communication Systems

Troubleshooting

Special tools and workshop equipment required

t	Diagnosis, Measurement and Information System -VAS 5051A /52-

For troubleshooting, use the Diagnosis, Measurement and Information System -VAS 5051A /52- .

–	Connect the Diagnosis, Measurement and Information System -VAS 5051A/52- to the 16-pin diagnosis connector -T16- → General information; Rep. gr.97.

–	Turn on the ignition.

–	Turn off all electrical devices.

–	Proceed by selecting the desired functions → Vehicle diagnostic tester.

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