Volkswagen Golf / Golf GTI / Jetta. Manual — part 1020

Commercially available
tools and materials

Fin comb

Charging hoses

5/8"-18 UNF thread

Note:

- Use differently colored charging
hoses (1800 mm long).

- Have valve opener and spare
seals to hand.

Connection piece for refrigerant
cylinder with seal, quick-release
coupling connection or threaded
connection 5/8" - 18 UNF

Valve caps with spare seals (for
5/8"-18 UNF thread)

Seals can also be used for
charging hoses.

Pressure gauge set with pressure
reducer for nitrogen (max. reducing
pressure: 15 bar)

Testing equipment and tools

13/2/2005

1. Pressure gauge set
2. Pressure hose (inner

diameter 5 mm, length 2 m)

3. Nitrogen
4. Hose fitting

Note:

- For connection to adapter set
V.A.G 1785 with 5/8"-18 UNF
thread

Quick-release coupling adapter for
service connections

- High-pressure side, nominal size
16 mm

- Low-pressure side, nominal size
13 mm

- 2x release tool (Sharan)

Note:

- This quick-release coupling is
included in the scope of delivery of
the service station.

Improvised tools

Charging hose with connection for
workshop compressed-air system

A - Charging hose 5/8" - 18 UNF**
(version with large inner diameter)

B - Connection for workshop
compressed-air system ** (always
use filter)

** Commercially available tools
and materials

Testing equipment and tools

13/2/2005

00 - 10

Glossary

Glossary

13/2/2005

Select a topic

01 - On Board Diagnostic (OBD)

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

Tools

VAS 5051 or VAG 1551, connecting

On Board Diagnostic (OBD) from m.y. 2002

General information

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

General information

Electrical and electronic components, locations

Instrument cluster On Board Diagnostic (OBD), initiating and
checking control module versions

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

Diagnostic Trouble Code (DTC) table

Output Diagnostic Test Mode (DTM) (function 03)

Diagnostic Trouble Code (DTC) memory, erasing (function 05)

End Output (function 06)

Instrument cluster, coding (function 07)

Read Measuring Value Block (function 08)

Adaptation (function 10)

Digital clock (Motometer - where applicable), correction

Instrument cluster m.y. 2000 through m.y. 2001, On Board
Diagnostic (OBD)

General information

Electrical and electronic components, locations

Instrument cluster On Board Diagnostic (OBD), initiating and
checking control module versions

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

Diagnostic Trouble Code (DTC) table

Output Diagnostic Test Mode (DTM) (function 03)

Diagnostic Trouble Code (DTC) memory, erasing (function 05)

End Output (function 06)

Instrument cluster 05.99 to 05.00, coding (function 07)

Instrument cluster 05.00 and later , coding (function 07)

Read Measuring Value Block (function 08)

Adaptation (function 10)

Data Bus On Board Diagnostic Interface -J533- ("Gateway") m.y.
2000 through m.y. 2001, On Board Diagnostic (OBD)

General information

Data Bus On Board Diagnostic Interface, On Board Diagnostic
(OBD), initiating and checking control module versions

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

Diagnostic Trouble Code (DTC) table

Diagnostic Trouble Code (DTC) memory, erasing (function 05)

End Output (function 06)

Gateway, coding (function 07)

Read Measuring Value Block (function 08)

Electrical Equipment On Board Diagnostic (OBD)

13/2/2005