Heating, air conditioning

Chapter overview

• Self-diagnosis
  1
• 1 Self-diagnosis of Climatronic, vehicles: ► 05.00
  1
• 1.1 Connecting vehicle diagnosis, testing and information system VAS 5051
  1
• 1.2 Function
  2
• 1.3 Overview - available functions
  2
• 1.4 Read control unit version
  3
• 1.5 Reading and clearing fault memory
  3
• 1.6 Fault table
  4
• 1.7 Final control diagnosis
  10
• 1.8 Coding Climatronic control unit J255
  12
• 1.9 Read measured value block
  13
• Heating
  17
• 1 Repairing heating system
  17
• 1.1 Removing and installing vents
  18
• 1.2 Removing and installing air duct
  19
• 1.3 Removing and installing dust and pollen filter
  20
• 1.4 Checking air extraction
  21
• 2 Removing and installing heater unit
  22
• 3 Dismantling and assembling heated air and fresh air controls
  25
• 4 Dismantling and assembling heater unit
  26
• 5 Vacuum hose connection diagram
  27
• 6 Repairing heating and ventilation for passenger compartment
  28
• Air conditioning system
  29
• 2 Air conditioning system with manual controls, vehicles ► 05.00
  30
• 2.1 Repairing air conditioning and heating - passenger compartment
  30
• 2.2 Dismantling and assembling air conditioning system controls
  32
• 2.3 Repairing air conditioning and heating - engine compartment
  33
• 3 Air conditioning system with manual controls, vehicles 06.00 ►
  36
• 3.1 Repairing air conditioning and heating - passenger compartment
  36
• 3.2 Removing vents
  38
• 3.3 Removing and installing glove box cooling
  40
• 3.4 Removing and installing air conditioning system control unit J301
  40
• 3.5 Dismantling and assembling air conditioning system control unit J301
  41
• 3.7 Repairing air conditioning and heating - engine compartment
  45
• 4 Climatronic air conditioning system with automatic regulation, vehicles ► 05.00
  48
• 4.2 Repairing Climatronic - dash panel area
  50
• 4.4 Repairing Climatronic - additional heat exchanger
  55
• 4.5 Repairing Climatronic - 2nd evaporator
  57
• 4.6 Repairing Climatronic - engine compartment
  58
• 4.7 Checking excess pressure relief valve on air conditioner compressor
  61
• 4.8 Coolant hose connection diagram
  62
• 4.9 Vacuum hose connection diagram
  64
• 5 Climatronic air conditioning system with automatic regulation, vehicles 06.00 ►
  65
• 5.1 Procedure for checking and adjusting components
  65
• 5.3 Repairing Climatronic - dash panel area
  67
• 5.5 Repairing Climatronic - additional heat exchanger
  74
• 5.6 Repairing Climatronic - 2nd evaporator
  76
• 5.7 Repairing Climatronic - engine compartment
  77
• 5.8 Coolant hose connection diagram
  80
• 6 Removing and installing air conditioner compressor and/or ancillary bracket
  82
• 6.1 Engine code ADY
  82
• 6.2 Engine codes AAA and AMY
  84
• 6.3 Engine code AYL
  86
• 6.4 Engine codes 1Z, AFN, AHU and AVG
  88
• 6.5 Engine codes AJH, ATM and AWC
  90
• 6.6 Engine codes ANU, AJM, ASZ, AUY, BRT, BTB, BVH and BVK
  92
• 8.1 Tools
  103
• 8.2 Repairing components in refrigerant circuit
  104
• 8.3 Overview - components in the refrigerant circuits for front and rear seats
  105
• 8.4 Removing evacuating and charging valve, low-pressure side
  111
• 8.5 Removing evacuation and charging valve, high-pressure side
  113
• 8.6 Checking excess pressure relief valve on air conditioner compressor
  115
• 8.7 Repairing refrigerant circuit for rear seats
  115
• 8.8 Removing expansion valve
  117
• 8.9 Removing and installing condenser
  119
• 8.10 Removing and installing receiver with dryer
  120
• 8.11 Removing and installing air conditioner compressor
  121
• 8.12 Removing and installing heater and air conditioning unit
  123
• 9.1 Repairing components in refrigerant circuit
  131
• 9.2 Overview - components in the refrigerant circuits for front and rear seats
  131
• 9.3 Removing expansion valve
  140
• 9.4 Removing and installing condenser
  142
• 9.5 2nd evaporator housing for rear seats
  144
• 9.6 Remove dryer cartridge in receiver
  145
• 9.7 Removing and installing air conditioner compressor
  148
• 9.8 Removing and installing heater and air conditioning unit
  150
• 10 Capacities
  154
• 10.1 Refrigerant R134a
  154
• 10.2 Refrigerant oil
  154
• 10.3 Oil distribution
  155