Volkswagen Golf / Golf GTI / Jetta. Manual — part 1100

27-133

VAG 1551 Scan Tool (ST),
connecting and selecting
functions

- Connect VAG 1551 Scan Tool

(ST) to Data Link Connector
(DLC) using VAG 1551/3A
adapter cable.

VAG - ON BOARD DIAGNOSTIC HELP

1 - Rapid data transfer

2 - Blink code output

Indicated on display

1)

1)

Operating modes 1 and 2 are

displayed alternately

Notes:

Electrical Wiring Diagrams,

Troubleshooting & Component
Locations

If the display remains blank,

check VAG 1551 voltage supply
according to wiring diagram

Additional operating instructions

can be printed out by pressing
the HELP button.

The

button is used to

advance through the program
sequence.

In "Rapid data transfer" operating

mode 1, all vehicle control
modules with OBD capability can
be checked automatically using
"Automatic Test Sequence"
address word 00.

Cruise Control System (CCS) through m.y. 2001

13/2/2005

27-134

- Switch ignition on.

- Switch printer on by pressing PRINT button

(indicator light in button lights up).

Test sequence

Notes:

If cruise control is inoperative on models with

1.9L TDI engine, check if system is activated

Page 27-139

.

If cruise control is inoperative on models with

1.8L Turbo engines, 2.8L VR6 engines and
2.0L engines, code AVH & AZG, check if
system is activated

Page 27-141

.

- Press buttons -0- and -1- to select Address word

01: "Engine electronics".

06A906018AB Motronic M5.9.2 HS V06

Coding 00000

WSC 00000

Display will appear as shown (gasoline engine

example only)

- Press

button.

Rapid data transfer

HELP

Select function XX

Display will appear as shown

- Press buttons -0- and -8- to select Function 08:

"Read measuring value block".

- Press -Q- button to enter input.

Read measuring value block

HELP

Input Display group number XXX

Display will appear as shown

Cruise Control System (CCS) through m.y. 2001

13/2/2005

27-135

For 1.8L, 2.0L and 2.8L gasoline engines:

- Press buttons -0-, -6- and -6- to select "Display

group 66".

For 1.9L TDI engine:

- Press buttons -0-, -0- and -6- to select "Display

group 06".

Continued for all engines:

- Press -Q- button to enter input.

Read measuring value block XX

1

2

3

4

Display will appear as shown

Notes:

Repair Manual, Fuel Injection and Ignition,

Repair Group 01.

- Note values in display fields 2 - 4 and refer to

the following engine type specific tables to
interpret values:

1.8L Turbo and 2.8L VR6

Page 27-136

.

2.0L (code AEG)

Page 27-137

.

2.0L (codes AVH & AZG)

Page 27-136

.

1.9L TDI

Page 27-138

.

The road speed signal input to the ECM for

cruise control function can be confirmed by
performing a road test and observing that the
km/h value indicated in display field 1 changes.

Always observe the appropriate safety

precautions during road test

Cruise Control System (CCS) through m.y. 2001

13/2/2005

27-136

1.8L Turbo and 2.8L VR6

2.0L (codes AVH & AZG)

Display

Group

Display

Field

Designation

Test
Conditions

Display Corrective Actions

66

2

1)

Clutch vacuum
vent valve -F36-
and Brake
switch -F47-

Clutch and
brake not
depressed

1000

1)

Repair Manual,

Fuel Injection and
Ignition, Repair
Group 24, "Additional
signals, checking"

- Check for
open/short circuit in
wiring and
connections to -F36-
and/or -F47- using
wiring diagram

- Checking -F36-
and/or -F47-

Brake
depressed

1011

Clutch
depressed

1100

4

Cruise control
switch -E45-

-E45- in OFF
position

0000

- Check for
open/short circuit in
wiring and
connections to -E45-
, -E227- and Engine
Control Module
(ECM) using wiring
diagram

-E45- in OFF
position
before switch
point

0001

-E45- in ON
position

0011

-E45- in RES
position

1011

Button for cruise
control SET -
E227-

-E45- in ON
position

-E227- SET

0111

Cruise Control System (CCS) through m.y. 2001

13/2/2005