Introduction
The purpose of this repair manual is to provide service
advisors and technicians with the basic knowledge needed to
ensure professional and competent procedures.
Note
Only the c
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - Solid
Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as ref
Windshield Defogger
The Windshield Defogger Control Module -J505- is activated
by the Comfort System Central Control Module -J393- at the
request of the Front A/C Display Control Head -E87-. This
request is sent via the data bus to the Comfort System Central
Control Module -J393-. The Comfort
Backrest Adjustment Hand Wheel, Removing and Installing
Special tools and workshop equipment
required
Assembly Tool -3399-
Removing
- Move the front seat all the way forward into its highest
position.
- Turn the backrest adjustment wheel -1-
until one catch is visible from behind
-a