AIR CONDITIONING – Volkswagen EuroVan 1999 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Volkswagen EuroVan 1999

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Volkswagen EuroVan 1999:

42

• A/c engine coolant temp sensor
• A/c refrigerant shut off valve
• Auxiliary heater valve
• Central flap motor & position sensor
• Climatronic control module
• Data link connector
• Engine coolant two-way vacuum valve
• Evaporator blower control module
• Footwell/defroster flap
• Fresh air blower
• Fresh air blower control module
• Front vent temp sensor
• Fuse 15a
• Fuse 30a
• Fuse/relay panel (behind left side of dash)
• G201 (right side of dash)
• G202 (beside fuse/ relay panel)
• Hot in run & start
• Hot w/ load reduction relay energized
• Inst cluster
• Instrument cluster
• Interior lights & defogger systems
• Motor & position sensor
• Motronic engine control module (left side of eng compt)
• Outside air temp sensor
• Pins 16-17 (not used)
• Pins 2-4 (not used)
• Pins 21-28 (not used) t28b
• Pins 21-28 (not used) t28c
• Pins 25-26 (not used)
• Pins 6-7 (not used)
• Pins 9-10 (not used)
• Rear a/c control head
• Rear evaporator fan
• Rear evaporator temp sensor
• Rear heater core temp sensor
• Red
• Sunlight photo sensor
• T28a
• Temperature regulator flap motor & position sensor
• Vacuum valve rail
• Wire connector

Automatic A/C Wiring Diagram (2 of 2) for Volkswagen EuroVan 1999

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Volkswagen EuroVan 1999:

26

• A/c clutch
• A/c control module
• A/c cut-out thermal switch and third speed coolant fan control thermal switch
• A/c pressure switch
• After- run coolant pump
• After-run coolant thermal switch
• Coolant fan control (fc) relay (at left front of eng compt)
• Coolant fan control series resistance
• Coolant fan control thermal switch
• Fan relay (behind center of dash)
• Fuse 10a
• Fuse 30a
• Fuse 50a
• Fuse holder (on battery)
• Fuse/ relay panel (behind left side of dash)
• G132 (on engine block)
• G202 (beside fuse/ relay panel)
• Hot at all times
• Left coolant fan
• Rear warm air fan
• Red
• Right coolant fan
• T4a
• T4b
• T4c
• Warm air blower control module

Manual A/C Wiring Diagram (1 of 2) for Volkswagen EuroVan 1999

List of elements for Manual A/C Wiring Diagram (1 of 2) for Volkswagen EuroVan 1999:

25

• A/c & fresh air/ recirculation flap switch
• Coolant fan
• Coolant fan control (fc) relay (at left front of engine compartment)
• Coolant fan control series resistance
• Fresh air & rear recirculating air flap relay (behind center of dash)
• Fresh air/ recirculating flap two-way valve
• Fuse 50a
• G202 (left side of dash)
• G998 (right "d" pillar)
• Heater blower series resistance
• Hot at all times
• Interior lights system
• Rear fresh & recirculation air flap two-way valve
• Rear fresh air blower
• Rear fresh air blower series resistance
• Rear fresh air blower switch
• Rear warm air fan
• Red
• Right coolant fan
• T4a
• T4b
• T4c
• T4o
• T5e
• Warm air blower switch

Manual A/C Wiring Diagram (2 of 2) for Volkswagen EuroVan 1999

List of elements for Manual A/C Wiring Diagram (2 of 2) for Volkswagen EuroVan 1999:

24

• A/c clutch
• A/c cut-out thermal switch & third speed coolant fan control thermal switch
• A/c evaporator temperature switch
• A/c pressure switch
• A/c relay
• A/c shutoff relay (on fuse/relay panel)
• Coolant cutoff valve
• Coolant fan control thermoswitch
• Fresh air blower
• Fresh air blower series resistance with fuse
• Fresh air blower switch
• Fuse 10a
• Fuse 30a
• Fuse/ relay panel (behind left side of dash)
• G201 (right side of dash)
• Heater air blower relay (behind center of dash)
• Heater control module (behind center of dash)
• Hot at all times
• Hot in on
• Interior lights system
• Motronic engine control module (ecm) (on left side of engine compartment)
• Red
• T68
• T8b