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
Replacing fuses
Fig. 190 Driver's side footwell (left-hand drive vehicles):
footrest 1, front passenger's side footwell (right-hand
drive vehicles): cover 2
Fig. 191 Driver's side cockpit: cover (C), left side of luggage compartment:
cover (D) (opening on the right only in vehicles with plug-in
General information for "Mid"/"Mix" and "High" A/C System
Caution
Interchange of the wire connections to the
temperature sensors or the connectors at the adjustment
motors results in problems regarding the regulation of
the A/C system.
A/C system malfunctions in the case of interchanged