Volkswagen Golf / Golf GTI / Jetta. Manual — part 1159

01-28

Before performing any troubleshooting or

inspection, always begin by checking for DTCs
using the On Board Diagnostic (OBD) program.
DTCs stored in memory are retrieved/checked
with VAS 5051 Vehicle Diagnostic Testing and
Information System

Page 01-29

, or VAG

1551/1552 Scan Tools (ST)

Page 01-31

.

Notes on exchanging radio

Do not disassemble radio.

When the replacement of a malfunctioning radio

is necessary, follow exchange part procedures.

Complete the report form and return together

with radio.

Use the original packaging from the new radio

when returning.

Additional information:

Complaint/symptom based Technical Bulletins

("Service Fixes"):

Technical Bulletins

Radio system descriptions

Page 91-4

Radio system - Premium VI (including Monsoon) from 12.01, On Board Diagnostic...

13/2/2005

01-29

Radio system "Premium
VI" (including "Monsoon")
from 12.01, performing OBD
program functions using VAS
5051

Some OBD program text/data
generated by "Premium VI" radios
may not be recognized by
VAG1551/1552 Scan Tools (ST) with
the latest program card. For
example: scan tool display shows
"text 799", "01529 /references" or
similar.

In these cases, OBD program
functions on vehicles with "Premium
VI" radio systems must be performed
using the VAS VAS 5052 Vehicle
Diagnostic Testing and Information
System in mode "Self Diagnosis" or
"Guided Fault Finding".

Special tools, testers and auxiliary
items needed

VAS 5051 Vehicle Diagnostic

Testing and Information System

Cable adapter VAS 5051/1 or

VAS 5051/3

- Connect VAS 5051 with adapter

cable to Data Link Connector
(DLC) and select mode "Guided
Fault Finding"

- Enter appropriate model,

equipment and model year
information and press ">" to
confirm.

Radio system - Premium VI (including Monsoon) from 12.01, On Board Diagnostic...

13/2/2005

01-30

After all Control Modules have been registered

and DTC memories checked,

- Select "Go to"

- Select "Function / Component Selection"

- Select "Body (Repair Group 01; 27; 50 to 97"

- Select "Electrical System (Repair Group 27; 90

to 97)

- Select "01-Systems capable of self-diagnosis"

- Select "Radio system"

- Select "Radio system functions" and press ">" to

confirm

- Review displayed list of OBD program functions

and select as necessary, e.g.: "Radio, coding"

- Perform selected OBD program steps as

prompted by tester

Radio system - Premium VI (including Monsoon) from 12.01, On Board Diagnostic...

13/2/2005

01-31

VAG 1551 Scan Tool (ST), connecting,
selecting functions and checking
control module (radio) versions

Prerequisites:

All fuses OK according to wiring diagram.

Battery (B+) voltage at least 9 Volts.

Notes:

VAG 1552 Scan Tool (ST) may be used instead

of the VAG 1551 Scan Tool (ST), however a
print-out is not possible.

The following procedure and display references

pertain only to VAG 1551 Scan Tool (ST).

Connecting

With ignition switched off, connect VAG 1551 Scan

Tool (ST) with adapter cable VAG 1551/3 to the
Data Link Connector (DLC) as follows:

- Remove cover for Data Link Connector (DLC)

under left instrument panel.

- Connect Scan Tool using adapter cable VAG

1551/3.

On Board Diagnostic (OBD)

HELP

1 - Rapid data transfer*

2 - Flash code output*

Indicated on display:

* Is displayed alternately

Radio system - Premium VI (including Monsoon) from 12.01, On Board Diagnostic...

13/2/2005