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Air Conditioning — Volkswagen Jetta SE 2012 Wiring Diagram

AIR CONDITIONING

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

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

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

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

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

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

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

List of elements for Heater Wiring Diagram for Volkswagen Jetta SE 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 SE 2012

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

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

List of elements for Manual A/C Wiring Diagram (3 of 3) for Volkswagen Jetta SE 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

AIR CONDITIONING – Volkswagen Jetta SE 2012 – SYSTEM WIRING DIAGRAMS