Observe the following conditions prior to the A/C performance test
1. Provision of a diagnosis system. Safeguard electrical system integrity by
checking the fault memory (no
faults in the fault memor
WARNING: Only persons in possession of a professional certificate
of competence for the maintenance and repair of heating and air conditioning
systems are authorized to carry out repair work on the
Work on the refrigerant circuit may only be carried out by experts!
Avoid all contact with liquid or gaseous R 134a. Wear safety goggles and
gloves when working on the
refrigerant circuit.
Follow S
Important Control Units in the Interior Lighting System
The interior lighting on the F01/F02 is switched on and off by the footwell
module (FRM).
The roof function center (FZD) is responsible for the interior lighting
components in the passenger
compartment roof.
The paragraphs that follow now d
Read and comply with notes on HANDLING WIRING HARNESSES AND WIRING.
NOTE: Work is shown on the F01 by way of example. There may be differences
in detail
in the case of other vehicle types and equipment specifications.
Necessary preliminary tasks:
Remove FRONT WHEEL ARCH COVER (FRONT SECTION)
Rem