Volkswagen Golf / Golf GTI / Jetta. Manual — part 1027

01-21

- If a malfunction is determined when performing

Output DTM, exchange instrument cluster.

- If no malfunction is determined when performing

Output DTM, check wiring and connections to
instrument cluster using wiring diagram.

Output Diagnostic Test Mode (DTM), initiating

Notes:

Output Diagnostic Test Mode (DTM) cannot be

initiated, or will be interrupted if engine is
running or vehicle is moving.

Us the -C- button to exit the test sequence at

any time.

- Connect scan tool VAG 1551, select operating

mode 1 "Rapid data transfer", switch on ignition
and enter address word 17 "instrument cluster".

- Press -Q- button to confirm input.

- Press

button until "Select function"is shown

in display.

Rapid data transfer

HELP

Select function XX

Indicated on display:

- Press buttons -0- and -3- to select "Output

Diagnostic Test Mode" function 03.

Rapid data transfer

Q

03 - Output Diagnostic Test Mode

Indicated on display

Instrument cluster through m.y. 1999, On Board Diagnostic (OBD)

13/2/2005

01-22

- Press -Q- button to confirm input.

Rapid data transfer

Analog display

Indicated on display

After pressing the -Q- button, the
following instrument functional
checks are carried out
simultaneously on VDO instrument
clusters and sequentially on
Motometer instrument clusters
(press

button to advance through

test sequence):

After sweep of display ranges, the
following fixed values are displayed:

coolant temperature needle

moves over complete display
range

tachometer needle moves over

complete display range

speedometer needle moves over

complete display range

fuel gauge needle moves over

complete display range

Coolant temperature
gauge:

90 C

Tachometer:

3000 rpm

Speedometer:

100 km/h

(62mph)

Fuel gauge:

1

/

2

- Press

button.

Instrument cluster through m.y. 1999, On Board Diagnostic (OBD)

13/2/2005

01-23

Output Diagnostic Test Mode

Combi instrument warning lamp test

Indicated on display:

The warning lamps for

are activated and remain constantly
lit.

Brake system (low brake fluid

level, ABS inoperative)

Coolant temperature/low coolant

level indicator

Brake pad wear (where

applicable)

Fuel reserve

Oil pressure

- Press

button.

Output Diagnostic Test Mode

Seat belt warning lamp - K19

Indicated on display:

The Seat Belt Warning Light -K19-
lights up.

- Press

button.

Output Diagnostic Test Mode

SIgnal

Indicated on display:

The buzzer/chime is activated: a
warning tone sounds in intervals.

- Press

button.

Output Diagnostic Test Mode

Segment test

Indicated on display:

All segments of LCD display in
speedometer and tachometer are
activated and become visible.

Instrument cluster through m.y. 1999, On Board Diagnostic (OBD)

13/2/2005

01-24

- Press

button.

Output Diagnostic Test Mode

Coolant, excessive temp test

Indicated on display:

Instrument cluster VDO:

Safety cut-off (A/C compressor cut-
off- is activated approx. 5 seconds
later (vehicles with A/C only)

No indication is given in instrument
cluster!

Instrument cluster MMO:

Engine Coolant Temperature (ECT)
warning lamp lights and warning
sound is given.

Safety cut-off (A/C compressor cut-
off- is activated approx. 5 seconds
later (vehicles with A/C only)

- Press

button.

Output Diagnostic Test Mode

END

Indicated on display:

- Press

button.

Output Diagnostic Test Mode

END

Indicated on display, instrument

cluster MMO:

Function is unknown or

cannot be carried out at the moment

Indicated on display, instrument

cluster VDO:

End Output Diagnostic Test Mode
for VDO instrument clusters by
pressing

button.

Instrument cluster through m.y. 1999, On Board Diagnostic (OBD)

13/2/2005