Volkswagen Golf / Golf GTI / Jetta. Manual — part 1161

01-36

Diagnostic Trouble Code (DTC) memory,
checking (function 02)

Note:

DTCs stored in memory along with
corresponding malfunction descriptions can only
be displayed by initiating the On Board
Diagnostic program and checking DTC memory
(function 02).

- Connect VAG 1551 Scan Tool (ST), input

address word 56, "Radio", and press

button

until "Select function XX" appears in display.

- Switch on printer with the Print button (indicator

lamp in button lights up).

Rapid data transfer

HELP

Select function XX

Indicated on display (select function):

- Press buttons -0- and -2- to select "Check

Diagnostic Trouble Code (DTC) memory"
function 02.

Rapid data transfer

Q

02 - Check DTC memory

Indicated on display:

- Press -Q- button to confirm input.

X DTC recognized!

The number of stored malfunctions appears in the

display.

The number of stored DTCs or "No DTC s
recognized" appears in the display and are printed
out one after another.

- When the last DTC has been displayed and

printed out, correct malfunctions as described in
DTC table

Page 01-38

.

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

13/2/2005

01-37

No DTC recognized!

If "No DTC recognized" is displayed,

the program will return to the initial
position after pressing

button.

Rapid data transfer

HELP

Select function XX

Indicated on display (select

function):

If display not indicated as shown:

Scan tool operating instructions

Note:

If DTCs were recognized, follow the
sequence below:

- 1. Correct malfunction.

- 2. Erase Diagnostic Trouble Code
(DTC) memory (function 05).

- 3. Check Diagnostic Trouble Code
(DTC) memory (function 02).

- End output (function 06)

Page

01-48

.

- Switch off ignition and disconnect

Data Link Connector (DLC).

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

13/2/2005

01-38

Diagnostic Trouble Code (DTC) table

Notes:

The following table lists all malfunctions, with the corresponding 5 digit code

numbers, that can be recognized by the radio and printed out by the VAG 1551 Scan
Tool (ST).

If malfunctions do not occur regularly, these are displayed as occurring sporadically

("SP").

DTC codes appear only on print-out.

DTC table may also include a description of the type of malfunction.

Before replacing components, check the wiring and connections to these

components as well as ground connections, according to wiring diagram.

When a repair has been carried out, the Diagnostic Trouble Code (DTC) memory

must always be erased and checked again with the VAG 1551 Scan Tool (ST).

If there is a specific complaint and no malfunctions are recognized after checking the

Diagnostic Trouble Code (DTC) memory, carry out function 03, "Output Diagnostic
Test Mode"

Page 01-44

, or function 08, "Read measuring value block"

Page

01-52

.

VAG 1551
printout

Possible cause

Possible effects

Corrective action

00625

Vehicle
speed
signal

No signal

Open circuit in wiring

between radio and
instrument cluster

Poor radio

performance or
radio inoperative

- Check wiring and
connections using
wiring diagram.

Instrument cluster

malfunctioning

- Replace
instrument cluster.

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

13/2/2005

01-39

VAG 1551
printout

Possible cause

Possible effects

Corrective action

00668

Battery
Positive
Voltage
(B+) Term.
30

Signal too
low

Battery voltage

below 9.5 V

Battery insufficiently

charged

Poor radio

performance or
radio
inoperative

- Charge/check battery

Repair Manual, Electrical
Equipment, Repair Group
27

Short circuit in

vehicle electrical
system

Poor radio

performance or
radio
inoperative

- Check Generator (GEN)
and charging system

Electrical Wiring

Diagrams,
Troubleshooting and
Component Locations

- Check wiring and
connections according to
wiring diagram.

00849

S contact
on ignition
starter
switch D

Ignition
starter
switch

Ignition starter

switch
malfunctioning

Poor radio

performance or
radio
inoperative

- Replace ignition starter
switch.

Open
circuit

Open circuit in

wiring or
connections
between radio and
ignition starter
switch

Poor radio

performance or
radio
inoperative

- Check wiring and
connections using wiring
diagram.

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

13/2/2005