Volkswagen Golf / Golf GTI / Jetta. Manual — part 926

01-41

Climatronic Control Module -J255-,
coding (function 07)

Note:

Each replacement Climatronic control module -

J255- must be coded after installing.

Perform Basic setting (function: 04) after

coding.

The A/C control head - E87 flashes for 15

seconds when the control module -J255 has not
been coded.

If the appropriate vehicle code or the

appropriate equipment level is not displayed,
the control module must be coded as follows:

- Connect VAG 1551 Scan Tool (ST), enter

address word 08 "AC/Heating electronics" and
press

until "Select function XX" appears in

display

Page 01-8

.

Rapid data transfer

HELP

Select function XX

Indicated on display:

- Press buttons -0- and -7- to select function 07

Code control module.

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005

01-42

Rapid data transfer

Q

07 - Code control module

Indicated on display:

- Press -Q- button to confirm entry.

Coding control module

Q

Enter code number XXXXX

(0-32000)

Indicated on display:

- Using scan tool button pad, enter

code number and confirm entry
with -Q- button.

Coding For vehicles

01000

All USA/CDN

Coding control module

Q

Enter code number 01000

(0-32000)

Indicated on display:

- Press -Q- button to confirm entry.

3B1 907 044 A

SXX

Coding 01000

WSC XXXXX

The VAG 1551 Scan Tool (ST)

display will show the control module
coding and the part number.

- Press

button.

Rapid data transfer

HELP

Select function XX

Indicated on display:

Note:

The code entered and shown on the
display will not be loaded into the
Climatronic control module until the
ignition has been switched off once.

- Select End output (function 06)

Page 01-40

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005

01-43

Read Measuring Value Block (function
08)

Notes:

During the function Read measuring value

block, the Climatronic regulation is in operation.

8 display group numbers display up to 4

measuring values each.

To safely read measuring values while driving,

an assistant is required.

- Connect VAG 1551 Scan Tool (ST) and enter

address word "08 AC/Heating electronics" and
then press

button, until "Select function XX"

is shown in display

Page 01-8

.

Rapid data transfer

HELP

Select function XX

Indicated on display (function selection):

- Press buttons -0- and -8- to select function 08

Read measuring value block.

Rapid data transfer

Q

08 - Read measuring value block

Indicated on display:

- Press -Q- button to confirm entry.

Read measuring value block

Enter display group number XXX

Indicated on display:

- Using the 1551 button pad, enter the required

display group number (following example shows
display group 001).

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005

01-44

Read measuring value block

Q

Enter display group number 001

Indicated on display:

- Press -Q- button to confirm entry.

Read measuring value block

1

1

2

3

4

Indicated on display:

Notes:

Interpreting measured values in

individual display fields

tables

beginning on

Page 01-45

.

With the printer is switched on,

the information on the display will
be printed out.

After completing the Read

measuring value block function,
check DTC memory

Page 01-

12

If measured value specifications

are met in all display fields:

- Press

button.

Rapid data transfer

HELP

Select function XX

Indicated on display (function

selection):

Note:

To easily change between display
groups, proceed as follows:

Display
group

VAG

1551

VAG 1552

Higher

Press

button 3

Press

button

Lower

Press

button 1

Press

button

Skip

Press

button C

Press

button C

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005