Porsche P-80 2005, Manual

Page: 68 / 108

Page 4.10
Climate Control Systems Diagnosis & Repair
Cayenne Model System
Air Conditioning, Cayenne (V6)
All Cayenne Models have air conditioning that operates
with the environmentally friendly refrigerant R134a.
Manual air conditioning is used on the Cayennne. The
structural design of the manual air conditioning is basically
the same as the 2-zone air conditioning. Due to the
requirements of manual air conditioning compared to the
2-zone unit, certain actuator motors are not required. Air
conditioning with zone control is available as a option.
Function
Air flow (blower), air distribution and temperature can be
set on the manual air conditioning control panel. The
following individual settings can be displayed in the air
conditioning display:
• Air flow (blower)
• Air distribution
• Temperature adjustment
• Time synchronous to PCM or instrument cluster
• Suppression of compressor function (ECON)
• Residual engine heat utilization
• Auxiliary heater function
Notes:
Manual A/C Operation
A - Front windshield defrost
B - Rear window defrost
C - Recirculated air
D - Air conditioning display
E - Air flow button (blower)
F - Air distribution to front screen
G - Air distribution to middle and side vents
H - ECON button (air conditioning compressor on/off)
I - REST button (residual engine heat)
J - PSM OFF switch
K - Temperature button
Climate Control
The following varieties of climate control are
available:
2-Zone Climate Control – Standard equipment on
Cayenne S & Cayenne Turbo, optional on the Cayenne (V6)
4-Zone Climate Control – Optional on all Cayennes