Audi Q7 2007 Repair Manual page 75

Note
♦ From MY 2011, this vehicle has
a Start/Stop System for specific
engines as optional equipment.
Pay attention to the correct ver‐
sion, coding and adapting for the
Climatronic Control Module -
J255- front A/C control head on
these vehicles. Refer to the Parts
Catalog. Use the Vehicle Diag‐
nostic Tester via the "Guided
Fault Finding" function.
On vehicles with a start/stop sys‐
♦
tem, the Coolant Recirculation
Pump - V50- is turned on by the
climatronic control module -
J255- during the stop function
when more heating output is re‐
quired in the passenger com‐
partment. Use the Vehicle Diag‐
nostic Tester via the "Guided
Fault Finding" function.
On a vehicle with a start/stop
♦
system and a parking-/auxiliary
heater, pay attention to the cor‐
rect version, coding and adapt‐
ing of the parking-/auxiliary heat‐
er (for the Auxiliary Heater
Control Module - J364- ). Refer
to the Parts Catalog. Use the Ve‐
hicle Diagnostic Tester via the
"Guided Fault Finding" function.
8 - Coolant supply to heater core in rear A/C unit
❑ The rear A/C unit is optional equipment
9 - Coolant return from heater core in rear A/C unit to engine
❑ The rear A/C unit is optional equipment
10 - Heat exchanger in the rear A/C unit
❑ For removing and installing with the A/C unit installed, refer to
⇒ "9.40 Heater Core, Removing and Installing, Rear A/C Unit Installed", page 182
Heating, Ventilation and Air Conditioning - Edition 04.2013
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
6. Incorporation of the A/C System in Vehicle Coolant Circuit
Audi Q7 2007 ➤
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