AIR CONDITIONING – Volkswagen Jetta S 2012 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 4) for Volkswagen Jetta S 2012

List of elements for Automatic A/C Wiring Diagram (1 of 4) for Volkswagen Jetta S 2012:

• 13a
• 20a
• 49a
• Air quality sensor
• Climatronic control module (center of dash)
• Computer data lines system
• Defroster door motor/ defroster door motor position sensor
• Evaporator temperature sensor (lower right center od dash)
• Fuse 10a
• Fuse 40a
• Fuse 5a
• Fuse panel c (left side of dash)
• G43 (behind right kick panel)
• Hot at all times
• Left footwell vent temperature sensor (above left footwell vent inlet)
• Left temperature door motor/ left temperature door potentiometer/ actuator (lower left center of dash)
• Right footwell vent temperature sensor (above right footwell vent inlet)
• Seats system
• T10a
• T16e
• T16g
• T20c

Automatic A/C Wiring Diagram (2 of 4) for Volkswagen Jetta S 2012

List of elements for Automatic A/C Wiring Diagram (2 of 4) for Volkswagen Jetta S 2012:

• A/c compressor regulator valve (on a/c compressor)
• Central air door motor/ central door motor position sensor (upper left front of hvac unit)
• Fresh air blower
• Fresh air blower control module (integral with fresh air blower)
• Fresh air/recirculating air/back pressure door motor/ position sensor (behind glove box)
• G602 (lower left kick panel)
• G655 (below left headlight assembly)
• Nca
• Right temperature door motor/ right temperature door potentiometer/ actuator (lower right center of dash)
• T10a
• T4t

Automatic A/C Wiring Diagram (3 of 4) for Volkswagen Jetta S 2012

List of elements for Automatic A/C Wiring Diagram (3 of 4) for Volkswagen Jetta S 2012:

• (not used)
• (or 61)
• (or 62)
• 13a
• 27a
• Coolant fan 2/ right coolant fan (if equipped)
• Coolant fan control module (lower left front of engine compt)
• Engine controls system
• Except 2.0l cbfa & ccta
• Fuse 5a
• Fuse 60a
• Fuse panel b (left front of engine compt)
• G12 (lower left side of engine compt)
• G44 (lower left "a" pillar)
• High pressure sensor (right front of engine compt, in high side refrigerant line)
• Hot at all times
• Left vent temperature sensor (in left end of dash)
• Nca
• Red
• Right vent temperature sensor (in right end of dash)
• Sunlight photo sensor/ sunlight photo sensor 2 (top center of dash)
• T4x

Automatic A/C Wiring Diagram (4 of 4) for Volkswagen Jetta S 2012

List of elements for Automatic A/C Wiring Diagram (4 of 4) for Volkswagen Jetta S 2012:

• (lower left corner of radiator) radiator outlet engine coolant temperature sensor
• 2.0l cbfa & ccta
• 2.0l ccta 2.0l cbfa & 2.0l cjaa
• 2.0l cjaa
• 2.5l & 2.0l cbpa
• 2.5l, 2.0l cjaa & cbpa
• After run coolant pump
• Computer data lines system
• Coolant circulation pump relay (2.0l cbfa & ccta) (on 12-relay carrier)
• Engine control module (ecm) (front left engine compt)
• Engine controls system
• Engine coolant level sensor (in coolant reservoir)
• Engine coolant level/ temperature indicator lamp
• Engine coolant temperature gauge
• Engine coolant temperature sensor (2.5l: left rear of cylinder head) (diesel: rear of cylinder bank) (2.0l: in coolant pump housing)
• G12 (lower left side of engine compt)
• G44 (lower left "a" pillar)
• Instrument cluster
• Instrument cluster control module
• T14
• T2cf
• T60
• T94

Auxiliary Heater Wiring Diagram, Automatic A/C for Volkswagen Jetta S 2012

List of elements for Auxiliary Heater Wiring Diagram, Automatic A/C for Volkswagen Jetta S 2012:

• 20b
• 60b
• Auxiliary engine coolant heating rf receiver
• Auxiliary heater antenna
• Auxiliary heater control module
• Climatronic control module (center of dash)
• Combustion air blower
• Computer data lines system
• Fuel preheating element (gasoline)
• Fuse 10a
• Fuse 30a
• Fuse panel c (left side of dash)
• G13 (right side of engine compt)
• G662 (left side of luggage compt)
• G682 (left side of luggage compt)
• Glow plug w/ flame monitoring
• Heater coolant shut-off valve (if equipped)
• Hot at all times
• Immediate heating button
• Metering pump
• Nca
• Overheat sensor
• Recirculation pump
• Red
• Roof antenna
• T20c
• T2fm
• T8c
• Temperature sensor

Auxiliary Heater Wiring Diagram, Manual A/C for Volkswagen Jetta S 2012

List of elements for Auxiliary Heater Wiring Diagram, Manual A/C for Volkswagen Jetta S 2012:

• 15b
• 20b
• 28b
• 44b
• 60b
• A/c control module
• Auxiliary engine coolant heating rf receiver
• Auxiliary heater antenna
• Auxiliary heater control module
• Auxiliary heater operation relay (on 12- relay carrier)
• Combustion air blower
• Computer data lines system
• Fresh air blower relay (on 12- relay panel)
• Fuel preheating element (gasoline)
• Fuse 10a
• Fuse 25a
• Fuse 30a
• Fuse 40a
• Fuse panel c (left side of dash)
• G13 (right side of engine compt)
• G44 (left lower "a" pillar)
• G662 (left side of luggage compt)
• G682
• Glow plug w/ flame monitoring
• Heater coolant shut-off valve (if equipped)
• Hot at all times
• Immediate heating button
• Metering pump
• Nca
• Overheat sensor
• Recirculation pump
• Red
• Roof antenna
• T10a
• T20c
• T2fm
• T8c
• Temperature sensor

Heater Wiring Diagram for Volkswagen Jetta S 2012

List of elements for Heater Wiring Diagram for Volkswagen Jetta S 2012:

• (not used)
• 13b
• 20b
• 33b
• Auxiliary heater operation relay (on 12-relay carrier)
• Defogger system
• Fresh air & recirculation mode ind lamp
• Fresh air blower
• Fresh air blower series resistor (w/fuse) (under right side of dash)
• Fresh air blower switch
• Fresh air control illumination bulb
• Fresh/recirculated air door motor & recirculation door motor position sensor (under right side of dash)
• Fuse 20a
• Fuse 5a
• Fuse panel c (left side of dash)
• G43 (behind right kick panel)
• G602 (lower left kick panel)
• Heater control module
• Heater/heat output switch
• Hot at all times
• Rear window defogger button
• Rear window defogger ind light
• T10a
• T20c
• T52a
• T52b
• T52c
• T73b
• Vehicle electrical system control module (below left side of dash)
• W/ high equipment
• W/ low equipment

Manual A/C Wiring Diagram (1 of 3) for Volkswagen Jetta S 2012

List of elements for Manual A/C Wiring Diagram (1 of 3) for Volkswagen Jetta S 2012:

• (not used)
• 13b
• 20b
• 33b
• A/c control module
• A/c switch
• Auxiliary heater operation relay (on 12-relay carrier)
• Computer data lines system
• Coolant fan 2/ right coolant fan (if equipped)
• Coolant fan control module (lower left front of engine compt)
• Driver's heated seat adjuster
• Fresh air & recirculation mode ind lamp
• Fresh air blower (under right side of dash)
• Fresh air blower relay (on 12-relay carrier)
• Fresh air blower series resistor (w/ fuse) (under right side of dash)
• Fresh air blower switch
• Fresh air/ recirculating door switch
• Front passenger's heated seat adjuster
• Fuse 20a
• Fuse 5a
• Fuse panel c (left side of dash)
• G12 (lower left side of engine compt)
• G43 (behind right kick panel)
• G44 (lower left "a" pillar)
• G602 (lower left kick panel)
• High pressure sensor (right front of engine compt, in high side refrigerant line)
• Hot at all times
• Nca
• Rear window defogger button
• Rear window defogger ind lamp
• Recirculation door motor (under right side of dash)
• Red
• Seats system
• T10a
• T16e
• T20c
• Temperature selector knob potenti- -ometer

Manual A/C Wiring Diagram (2 of 3) for Volkswagen Jetta S 2012

List of elements for Manual A/C Wiring Diagram (2 of 3) for Volkswagen Jetta S 2012:

• (not used)
• (on 12-relay carrier) (2.0l cbfa & ccta) coolant circulation pump relay
• (or 61)
• (or 62)
• 13a
• 27a
• After run coolant pump
• Air distribution door motor/air distribution door motor position sensor
• Engine controls system
• Evaporator vent temperature sensor (under right side of dash)
• Except 2.0l cbfa & ccta
• Footwell vent temperature sensor
• Fuse 5a
• Fuse 60a
• Fuse panel b (left front of engine compt)
• G12 (lower left side of engine compt)
• Hot at all times
• Motronic engine control
• Red
• T2cf
• Temperature regulator door motor/left temperature door potentiometer/ actuator (in left footwell vent)

Manual A/C Wiring Diagram (3 of 3) for Volkswagen Jetta S 2012

List of elements for Manual A/C Wiring Diagram (3 of 3) for Volkswagen Jetta S 2012:

• (below left headlight assembly) g655
• (lower left corner of radiator) radiator outlet engine coolant temperature sensor
• 2.0l cbfa & ccta
• 2.0l ccta, 2.0l cbfa & 2.0l cjaa
• 2.0l cjaa
• 2.5l & 2.0l cbpa
• 2.5l, 2.0l cjaa & cbpa
• A/c compressor regulator valve (on a/c compressor)
• Center vent temperature sensor (w/ climatic)
• Computer data lines system
• Engine control module front left engine compt)
• Engine controls system
• Engine coolant level sensor (in coolant reservoir)
• Engine coolant level/ temperature indicator lamp
• Engine coolant temperature gauge
• Engine coolant temperature sensor (2.5l : left rear of cylinder head) (diesel: rear of cylinder bank) (2.0l: in coolant pump housing)
• G44 (lower left "a" pillar)
• Instrument cluster
• Instrument cluster control module
• Nca
• T14
• T4t
• T60
• T94