Volkswagen Golf / Golf GTI / Jetta. Manual — part 961

"Guided
Fault
Finding".

-G65-

monitored
by On
Board
Diagnostics
of Engine
Control
Module
(ECM).

Function:

-F129-

switches
the
coolant
fan -V7-
to next
higher
speed
when
pressure
increases
in
refrigerant
circuit.

-F129-

switches off
A/C clutch
whenever
excessive
refrigerant
system
pressure is
present (e.g.:
insufficient air
flow over
condensor or
if system is
overcharged).

-F129-
switches
off A/C
clutch
whenever
insufficient
refrigerant
system

Climatronic

13/2/2005

pressure
is present
(e.g.:
refrigerant
has
leaked
out).

-G65-

supplies
refrigerant
system
pressure
signal to
coolant
fan
control
module -
J293- and
ECM.

Climatronic

13/2/2005

87-65

6 - Expansion

valve*

Removing

Page

87-107

7 - Dust and

pollen
filter

With

activated
charcoal
filter

Removing

and
installing

Page

80-8

, Fig.

4.

8 - Evaporator

water
drain valve

Checking

Page

87-24

9 - A/C cut-

out
thermal
switch -
F163-
through
04.99

Switches off

A/C clutch -
N25- at
excessively
high coolant
temperatures.

Off at

119 C
(246 F)

On at
112 C
(234

Climatronic

13/2/2005

Note:

-F163- deleted
from 05.99.
Thermal cut-out
function
assumed by
Engine Coolant
Temperature
(ECT) Sensor -
G62- via Engine
Control Module
(ECM).

F).

Climatronic

13/2/2005