ENGINE PERFORMANCE – Volkswagen Jetta S 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.4L TURBO HYBRID

1.4L Turbo Hybrid, Engine Performance Wiring Diagram (1 of 8) for Volkswagen Jetta S 2014

List of elements for 1.4L Turbo Hybrid, Engine Performance Wiring Diagram (1 of 8) for Volkswagen Jetta S 2014:

• (below left headlight assembly) g655
• (if equipped) brake booster relay
• (intake air duct) charge air pressure sensor/ intake air temperature sensor 2
• (integral to brake lamp switch) brake pedal switch
• (lower left side of engine compt) g12
• (lower left side of engine) secondary air injection pump motor
• (relay carrier on electronics box) secondary air injection pump relay
• (right side of transmission) brake system vacuum pump
• Abs control module (right rear corner of engine compt)
• Brake booster pressure sensor (left rear of engine compt)
• Cooling fans system
• Engine control module (front left engine compt)
• Engine coolant temperature sensor (radiator outlet) (lower left corner of radiator)
• Evap canister purge regulator valve 2
• Fuel tank pressure sensor (fuel rail assembly)
• G12 (lower left side of engine compt)
• G44 (lower left "a" pillar)
• Leak detection pump (right rear wheelwell, near fuel filler door)
• Nca
• Oxygen sensor 1 after catalytic converter (catalytic converter 2 outlet)
• Red
• T14
• T14hy
• T2kh
• T94

1.4L Turbo Hybrid, Engine Performance Wiring Diagram (2 of 8) for Volkswagen Jetta S 2014

List of elements for 1.4L Turbo Hybrid, Engine Performance Wiring Diagram (2 of 8) for Volkswagen Jetta S 2014:

• (lower left front of engine compt) coolant fan control module
• (not used)
• 10a
• 13a
• 14a
• 26a
• Accelerator pedal module
• Accelerator pedal position sensor
• Accelerator pedal position sensor 2
• Electrical drive button & push button illumination bulb
• Fuse 10a
• Fuse 10a/ 15a
• Fuse 20a
• Fuse 40a/50a
• Fuse 5a
• Fuse 5a/ 20a
• Fuse 5a/10a/ 15a
• Fuse 5a/10a/ 15a/20a
• Fuse 5a/10a/ 20a
• Fuse panel sb (left front of engine compt)
• Hot at all times
• Interior lights system
• Nca
• Oxygen sensor 1 before catalytic converter (exhaust manifold, before catalytic converter)
• Oxygen sensor 2 before catalytic converter (catalytic converter 2 inlet)
• Red
• Reduced oil pressure switch (base of oil filter housing)
• T14
• T14hy

1.4L Turbo Hybrid, Engine Performance Wiring Diagram (3 of 8) for Volkswagen Jetta S 2014

List of elements for 1.4L Turbo Hybrid, Engine Performance Wiring Diagram (3 of 8) for Volkswagen Jetta S 2014:

• (lower left "a" pillar) g44
• (part of fuel delivery unit) fuel level sensor/ transfer fuel pump
• (right side of luggage compt)
• (under right side of rear seat) fuel delivery unit
• Computer data lines system
• Data lines computer
• Electronic power control malfunction indicator lamp
• Engine control module (front left engine compartment)
• Engine coolant level sensor (coolant reservoir)
• Engine coolant level/temperature indicator lamp
• Engine coolant temperature gauge
• Engine electronics indicator lamp
• Fuel gauge
• G655 (below left headlight assembly)
• G682
• Generator ind lamp
• Instrument cluster
• Instrument cluster control module
• Low fuel level ind lamp
• Malfunction ind lamp
• Oil level thermal sensor (w/ flexible service interval reminder) (oil pan assembly)
• Oil pressure ind lamp
• Oil pressure switch (right side of engine)
• Red
• Secondary air injection sensor 1 & solenoid valve (exhaust manifold assembly)
• System
• System data lines computer
• T14
• T6z
• T94

1.4L Turbo Hybrid, Engine Performance Wiring Diagram (4 of 8) for Volkswagen Jetta S 2014

List of elements for 1.4L Turbo Hybrid, Engine Performance Wiring Diagram (4 of 8) for Volkswagen Jetta S 2014:

• (left front of engine) low temperature circuit coolant pump
• 13b
• 14b
• 56a
• 56b
• 59a
• 59b
• Battery fan 1
• Battery fuse panel terminal 30 wire junction
• C1s
• Computer data lines system
• D1s
• Fan activation relay
• Fuel pressure regulator valve (left rear of engine)
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse 80a b1a
• Fuse panel sc (left side of dash)
• G12 (lower left side of engine compt)
• G662 (left side of luggage compt)
• G701
• High voltage system fuse
• High voltage system maintenance connector
• Hot at all times
• Hybrid battery unit (luggage compt)
• Nca
• Pilot line connector 1
• Red
• T14ax
• T4lh
• T8ax

1.4L Turbo Hybrid, Engine Performance Wiring Diagram (5 of 8) for Volkswagen Jetta S 2014

List of elements for 1.4L Turbo Hybrid, Engine Performance Wiring Diagram (5 of 8) for Volkswagen Jetta S 2014:

• (center of dash) climatronic control module
• (electric air conditioner compressor) a/c compressor control module
• (left side of transmission) three-phrase current drive
• B1s
• C1s
• Computer data lines system
• D1s
• D2s
• E1s
• E2s
• E3s
• Electric drive power & control electronics
• G12 (lower left side of engine compt)
• G655 (below left headlight assembly)
• Nca
• Red
• T14hy
• T20c
• T28jx
• T2va
• T2vx
• T4bk
• T4hy
• T4jx
• T4vx

1.4L Turbo Hybrid, Engine Performance Wiring Diagram (6 of 8) for Volkswagen Jetta S 2014

List of elements for 1.4L Turbo Hybrid, Engine Performance Wiring Diagram (6 of 8) for Volkswagen Jetta S 2014:

• (oil pump housing) oil pressure regulation valve
• (right side of transmission) high temperature circuit coolant pump
• 16b
• 47b
• Computer data lines system
• Fuse 10a
• Fuse 15a
• Fuse 200a
• Fuse panel sb (left front of engine compt)
• Fuse panel sc (left side of dash)
• G12 (lower left side of engine compt)
• Hot at all times
• Red
• Steering column electronics control module (on steering column)
• T16l
• T52c
• Throttle valve control module (on throttle body)
• Vehicle electrical system control module (below left side of dash)

1.4L Turbo Hybrid, Engine Performance Wiring Diagram (7 of 8) for Volkswagen Jetta S 2014

List of elements for 1.4L Turbo Hybrid, Engine Performance Wiring Diagram (7 of 8) for Volkswagen Jetta S 2014:

• (fuel rail assembly) fuel pressure sensor
• (intake manifold assembly)
• (left front of engine) evap canister purge regulator valve 1
• (rear of engine) engine coolant temperature sensor
• (top front of engine) camshaft adjustment valve 1
• (top front of engine) exhaust camshaft adjustment valve 1
• Camshaft position sensor (w/ intake valves) (rear of cylinder head)
• Camshaft position sensor 3 (w/ exhaust valves)
• Charge pressure actuator position sensor (on turbocharger assembly)
• Decoupler pressure actuator (top of transmission)
• Intake manifold sensor
• Knock sensor 1 (left side of engine)
• Nca

1.4L Turbo Hybrid, Engine Performance Wiring Diagram (8 of 8) for Volkswagen Jetta S 2014

List of elements for 1.4L Turbo Hybrid, Engine Performance Wiring Diagram (8 of 8) for Volkswagen Jetta S 2014:

• (cylinder head, top of 1 cylinder) fuel injector cylinder 1
• (cylinder head, top of 2 cylinder) fuel injector cylinder 2
• (cylinder head, top of 3 cylinder) fuel injector cylinder 3
• (cylinder head, top of 4 cylinder) fuel injector cylinder 4
• (left rear of engine) engine speed sensor
• Engine control module (front left engine compt)
• G12 (lower left side of engine compt)
• G15
• Ignition coils w/ power output stage (top of 1, 2, 3, & 4 cylinder)
• Nca
• Positive crankcase ventilation heating element (air intake hose)
• T60
• To spark plug

1.8L TURBO

1.8L Turbo, Engine Performance Wiring Diagram (1 of 6) for Volkswagen Jetta S 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (1 of 6) for Volkswagen Jetta S 2014:

• (below left headlight assembly) g655
• (lower left side of engine compt) g12
• (lower left side of engine) secondary air injection pump motor
• (not used) t4x
• 21a
• Accelerator pedal module
• Accelerator pedal position sensor
• Accelerator pedal position sensor 2
• Charge air pressure sensor (intake air duct)
• Engine control module (front left engine compt)
• Engine coolant temperature sensor on radiator outlet (lower left corner of radiator)
• Fuse 50a
• Fuse panel b (left front of engine compt)
• Heated oxygen sensor
• Heater for oxygen sensor 1 after catalytic converter
• Hot at all times
• Nca
• Oxygen sensor 1 after catalytic converter (catalytic converter 2 outlet)
• Oxygen sensor 1 before catalytic converter (exhaust manifold, before catalytic converter)
• Oxygen sensor after three way catalytic converter
• Oxygen sensor heater
• Red
• Secondary air injection pump relay
• Starting/ charging system
• T14
• T91

1.8L Turbo, Engine Performance Wiring Diagram (2 of 6) for Volkswagen Jetta S 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (2 of 6) for Volkswagen Jetta S 2014:

• (not used)
• 10a
• 14a
• Abs control module (right rear corner of engine compt)
• Brake pedal switch & brake lamp switch (integral to brake lamp switch)
• Clutch position sensor (m/t)
• Computer data lines system
• Fuse 10a
• Fuse 10a (or 15a)
• Fuse 5a
• Fuse 5a (or 10a) (or 15a)
• Fuse 5a (or 10a) (or 20a)
• Fuse panel b (left front of engine compt)
• G605 (on steering column)
• G655 (below left headlight assembly)
• Hot at all times
• Leak detection pump (if equipped) (right rear wheelwell, near fuel filler door)
• T4x
• T73a
• T73b
• Vehicle electrical system control module (below left side of dash)

1.8L Turbo, Engine Performance Wiring Diagram (3 of 6) for Volkswagen Jetta S 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (3 of 6) for Volkswagen Jetta S 2014:

• 12a
• 14b
• 16b
• 47b
• Engine control module (front left engine compt)
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse panel b (left front of engine compt)
• Fuse panel c (left side of dash)
• Hot at all times
• Red
• Reduced oil pressure switch (base of oil filter housing)
• T105
• T14

1.8L Turbo, Engine Performance Wiring Diagram (4 of 6) for Volkswagen Jetta S 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (4 of 6) for Volkswagen Jetta S 2014:

• (air intake assembly) manifold absolute pressure sensor & intake manifold/air temperature sensor
• (end of cylinder head) camshaft position sensor
• (fuel rail assembly) fuel pressure sensor
• (intake manifold assembly) intake manifold runner position sensor
• (left rear of engine) engine speed sensor
• (rear of engine) engine coolant temperature sensor
• (turbocharger assembly) charge pressure actuator position sensor
• Drive epc throttle
• Epc throttle drive angle sensor 1 & 2
• Fuel injector cylinders (cylinder head, top of 1, 2, 3 & 4 cylinders)
• Intake manifold runner control valve (intake manifold assembly)
• Oil pressure regulation valve (base of block, near a/c compressor)
• Red
• Sensor 1
• Sensor 2
• T14
• T14a
• T8i
• Throttle valve control module (on throttle body)
• Turbocharger recirculation valve (turbocharger assembly)

1.8L Turbo, Engine Performance Wiring Diagram (5 of 6) for Volkswagen Jetta S 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (5 of 6) for Volkswagen Jetta S 2014:

• (below left headlight assembly) g655
• (coolant reservoir) engine coolant level sensor
• (oil pan assembly) (w/ flexible service interval reminder) oil level thermal sensor
• (part of fuel delivery unit) fuel level sensor & transfer fuel pump
• (part of fuel delivery unit) fuel pump control module
• (right side of luggage compt) g682
• After-run coolant pump & throttle valve control module (lower left side of engine)
• Camshaft adjustment valve 1 (front of cylinder head)
• Engine control module (front left engine compt)
• Fuel pressure regulator valve (top front of cylinder head)
• G12 (lower left side of engine compt)
• Knock sensor 1 (left side of engine block)
• Red
• T105
• T14
• T6z

1.8L Turbo, Engine Performance Wiring Diagram (6 of 6) for Volkswagen Jetta S 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (6 of 6) for Volkswagen Jetta S 2014:

• Computer data lines system
• Computer data lines systems
• Cpka
• Cpra
• Cruise control system
• Electronic power control malfunction indicator lamp
• Engine control module (front left engine compt)
• Engine coolant level/ temperature indicator
• Engine coolant temperature gauge
• Evap canister purge regulator valve 1 (top of engine)
• Fuel gauge
• G12 (lower left side of engine compt)
• G15
• Ignition coil 1 w/ power output stage (top of 1 cylinder)
• Ignition coil 2 w/ power output stage (top of 2 cylinder)
• Ignition coil 3 w/ power output stage (top of 3 cylinder)
• Ignition coil 4 w/ power output stage (top of 4 cylinder)
• Instrument cluster
• Instrument cluster control module
• Low fuel level indicator lamp
• Malfunction indicator lamp
• Nca
• Oil level indicator lamp
• Oil pressure switch (left rear of engine)
• Red
• Secondary air injection sensor 2 (exhaust manifold)
• Secondary air injection solenoid valve
• Secondary air system & injection sensor 1 (exhaust manifold)
• Starting/ charging system
• T105
• T14
• T91
• To spark plug

2.0L

2.0L, Engine Performance Wiring Diagram (1 of 4) for Volkswagen Jetta S 2014

List of elements for 2.0L, Engine Performance Wiring Diagram (1 of 4) for Volkswagen Jetta S 2014:

• (below left side of dash) vehicle electrical system control module
• (or 61)
• (or 62)
• 10a
• 14a
• Abs control module (right rear of corner engine compt)
• Brake lamp switch & brake pedal switch (brake lamp switch: brake master cylinder) (brake pedal switch: integral to brake lamp switch)
• Clutch position sensor (m/t)
• Computer data lines system
• Coolant fan control module (lower left front of engine compt)
• Cooling fans system
• Engine control module (front left engine compt)
• Engine coolant temperature sensor (on radiator outlet) (lower left corner of radiator)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 5a
• Fuse panel sb (left front of engine compt)
• G605 (on steering column)
• G655 (below left headlight assembly)
• Hot at all times
• Leak detection pump (right rear wheelwell, near fuel filler door)
• T73a
• T73b
• T94
• W/ esp
• W/o esp

2.0L, Engine Performance Wiring Diagram (2 of 4) for Volkswagen Jetta S 2014

List of elements for 2.0L, Engine Performance Wiring Diagram (2 of 4) for Volkswagen Jetta S 2014:

• (12-relay carrier) fuel pump relay
• (brake system vacuum pump: right side of transmission) (a/t) brake system vacuum pump & vacuum pump relay
• (coolant reservoir) engine coolant level (ecl) sensor
• (part of fuel delivery unit) transfer fuel pump/ fuel level sensor
• 14b
• 16b
• 26b
• 47b
• Accelerator pedal position sensor & accelerator pedal position sensor 2 (accelerator pedal position sensor: accelerator pedal assembly)
• Fuse 10a
• Fuse 15a
• Fuse panel sc (left side of dash)
• G12 (lower left rear of engine compt)
• G655 (below left headlight assembly)
• G682 (right side of luggage compt)
• Heated oxygen sensor & oxygen sensor heater (heated oxygen sensor: exhaust manifold, before catalytic converter)
• Hot at all times
• Ignition coil (left side of engine)
• Nca
• Oxygen sensor after three way catalytic converter & oxygen sensor 1 heater after catalytic converter (exhaust, after catalytic converter)
• Positive crankcase ventilation heating element (air intake hose)
• Red
• T14
• T44
• T4y
• To spark plug

2.0L, Engine Performance Wiring Diagram (3 of 4) for Volkswagen Jetta S 2014

List of elements for 2.0L, Engine Performance Wiring Diagram (3 of 4) for Volkswagen Jetta S 2014:

• (below left headlight assembly)
• (oil pump housing) oil pressure switch
• Computer data lines system
• Cruise control ind lamp
• Electronic power control malfunction ind lamp
• Engine control module (front left engine compt)
• Engine coolant level/ temperature ind lamp
• Engine coolant temperature gauge
• Fuel gauge
• G605 (on steering column)
• G655
• Generator ind lamp
• Instrument cluster
• Instrument cluster control module
• Low fuel ind lamp
• Malfunction ind lamp
• Oil level thermal sensor (oil pan assembly)
• Oil pressure ind lamp
• Red
• Speedometer
• T14
• T60
• T6z
• Tachometer
• Warning buzzer & tone

2.0L, Engine Performance Wiring Diagram (4 of 4) for Volkswagen Jetta S 2014

List of elements for 2.0L, Engine Performance Wiring Diagram (4 of 4) for Volkswagen Jetta S 2014:

• (intake manifold)
• (top of intake manifold) evaporative emission (evap) canister purge regulator valve 1
• Camshaft position sensor (rear of cylinder head)
• Computer data lines system
• Cruise control system
• Cylinder 1 fuel injector
• Cylinder 2 fuel injector
• Cylinder 3 fuel injector
• Cylinder 4 fuel injector
• Engine control module (front left engine compt)
• Engine coolant temperature (ect) sensor (coolant pump housing)
• Engine speed (rpm) sensor (left rear of engine)
• Knock sensor 1 (front of cylinder block)
• Manifold absolute pressure (map) sensor & intake air temperature sensor (air intake assembly)
• Red
• Starting/charging system
• T14
• T4y
• T60
• T94
• Throttle valve control module (on throttle body)

2.0L TURBO

2.0L Turbo, Engine Performance Wiring Diagram (1 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (1 of 6) for Volkswagen Jetta S 2014:

• 10a
• 14a
• Accelerator pedal position sensor 1 & 2 (accelerator pedal assembly)
• Assembly)
• Charge air pressure sensor (intake air duct)
• Coolant fan control module (lower left front of engine compt)
• Cooling fans system
• Engine control module (ecm) (front left engine compt)
• Engine coolant temperature sensor (on radiator outlet) (lower left corner of radiator)
• Fuse 10a
• Fuse 10a/15a
• Fuse 5a
• Fuse 5a 5a 5a
• Fuse 5a/ 10a/ 15a/20a
• Fuse 5a/ 10a/ 20a
• Fuse panel b (left front of engine compt)
• G655 (below left headlight
• Heated oxygen sensor
• Heater for oxygen sensor 1 after catalytic converter
• Hot at all times
• Nca
• Oxygen sensor 1 after catalytic converter (catalytic converter 2 outlet)
• Oxygen sensor 1 before catalytic converter (exhaust manifold, before catalytic converter)
• Oxygen sensor after three way catalytic converter
• Oxygen sensor heater
• Red
• Starting/ charging system
• T91

2.0L Turbo, Engine Performance Wiring Diagram (2 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (2 of 6) for Volkswagen Jetta S 2014:

• (below left side of dash)
• (lower left side of engine)
• 21a
• Abs control
• Brake pedal switch/brake lamp switch (brake master cylinder)
• Clutch position sensor (m/t)
• Computer data lines system
• Fuse 50a
• Fuse panel b (left front of engine compt)
• G12 (lower left side of engine compt)
• G605 (on steering column)
• G655 (below left headlight assembly)
• Hot at all times
• Leak detection pump (if equipped) (right rear wheelwell, near fuel filler door)
• Module (right rear corner of engine compt)
• Secondary air injection pump motor
• Secondary air injection pump relay
• T14
• T52b
• T52c
• Vehicle electrical system control module

2.0L Turbo, Engine Performance Wiring Diagram (3 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (3 of 6) for Volkswagen Jetta S 2014:

• 12a
• 14b
• 16b
• 47b
• Engine control module (front left engine compt)
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse panel b (left front of engine compt)
• Fuse panel c (left side of dash)
• Hot at all times
• Red
• Reduced oil pressure switch (base of oil filter housing)
• T105
• T14

2.0L Turbo, Engine Performance Wiring Diagram (4 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (4 of 6) for Volkswagen Jetta S 2014:

• (air intake assembly) manifold absolute pressure sensor & intake air temperature sensor
• (exhaust manifold assembly) secondary air injection sensor 1/ solenoid valve
• (exhaust manifold assembly) secondary air injection solenoid valve
• (exhaust manifold) secondary air injection sensor 2
• (fuel rail assembly) fuel pressure sensor
• (intake manifold assembly) intake manifold runner position sensor
• (left rear of engine)
• (rear of cylinder head) camshaft position sensor
• (turbocharger assembly) charge pressure actuator position sensor
• Cpla
• Cppa
• Engine speed sensor
• Fuel injector cylinders (intake manifold)
• Intake manifold runner control valve (intake manifold assembly)
• Oil pressure regulation valve (oil pump housing)
• Red
• Sensor 1
• Sensor 2
• T14
• T14a
• T8i
• Throttle drive
• Throttle valve control module (on throttle body)
• Turbocharger recirculation valve (turbocharger assembly)

2.0L Turbo, Engine Performance Wiring Diagram (5 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (5 of 6) for Volkswagen Jetta S 2014:

• (below left headlight assembly) g655
• (coolant reservoir) engine coolant level sensor
• (oil pan assembly) (if equipped) oil level thermal sensor
• (part of fuel delivery unit) fuel level sensor & transfer fuel pump
• (part of fuel delivery unit) fuel pump (fp) control module
• (rear of engine)
• After-run coolant pump (lower left side of engine)
• Camshaft adjustment valve 1 (front of cylinder head)
• Engine control module (front left engine compt)
• Engine coolant temperature sensor
• Fuel pressure regulator valve (high pressure pump)
• G12 (lower left side of engine compt)
• G682 (right side of luggage compt)
• Knock sensor 1 (front of cylinder block)
• Red
• T105
• T14
• T6z

2.0L Turbo, Engine Performance Wiring Diagram (6 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (6 of 6) for Volkswagen Jetta S 2014:

• (top of 1,2, 3 & 4 cylinders)
• Computer data lines system
• Computer data lines systems
• Cruise control system
• Electronic power control malfunction indicator lamp
• Engine control module (front left engine compt)
• Engine coolant level/ temperature indicator lamp
• Engine coolant temperature gauge
• Engine electronics indicator lamp
• Evaporative emission (evap) canister purge regulator valve 1 (top of intake manifold)
• Fuel gauge
• G12 (lower left side of engine compt)
• G15
• G605 (on steering column)
• Ignition coil 1 w/ power output stage
• Ignition coil 2 w/ power output stage
• Ignition coil 3 w/ power output stage
• Ignition coil 4 w/ power output stage
• Instrument cluster
• Instrument cluster control module
• Low fuel level indicator lamp
• Malfunction (mil) indicator lamp
• Nca
• Oil level indicator lamp
• Oil pressure indicator lamp
• Oil pressure switch (oil pump housing)
• Power distribution system
• Red
• Starting/ charging system
• T105
• T14
• T91
• To spark plug

2.0L TURBO DIESEL

2.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 6) for Volkswagen Jetta S 2014:

• (accelerator pedal position sensor: accelerator pedal assembly) accelerator pedal position sensor 2 & accelerator pedal position sensor
• (below left headlight assembly) g655
• (intake air duct) mass airflow (maf) sensor
• (lower left front of engine compt) coolant fan control module
• (or 61)
• (or 62)
• 14a
• 26a
• Clutch position sensor (m/t)
• Cruise control system
• Engine control module (front left engine compt)
• Engine coolant temperature sensor (on radiator outlet) (lower left corner of radiator)
• Exhaust gas temperature (egt) sensor 2 (exhaust manifold, at turbocharger)
• Exhaust gas temperature (egt) sensor 3 (exhaust manifold, at turbocharger)
• Exhaust gas temperature (egt) sensor 4 (exhaust manifold, at turbocharger)
• Exhaust gas temperature sensor 1 (exhaust manifold,at turbocharger)
• Fuse 15a
• Fuse 5a
• Fuse 60a
• Fuse panel sb (left front of engine compt)
• G605 (on steering column)
• Hot at all times
• Red
• T14
• T73b
• T94
• Vehicle electrical system control module (below left side of dash)

2.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 6) for Volkswagen Jetta S 2014:

• (below left side of dash) vehicle electrical system control module
• (heated oxygen sensor: exhaust manifold, before catalytic converter) heated oxygen sensor & oxygen sensor heater
• (on steering column) g605
• (right rear corner of engine compt) abs control module
• Brake pedal switch & brake lamp switch (brake pedal switch: integral to brake lamp switch) (brake lamp switch: brake master cylinder)
• Differential pressure sensor (center rear of engine compt)
• Egr potentiometer & egr vacuum regulator solenoid valve (egr potentiometer: part of egr vacuum regulator solenoid valve) (egr vacuum regulator solenoid valve: throttle body)
• Engine speed (rpm) sensor (left rear of engine)
• Exhaust door control unit (center of vehicle, after catalytic converter)
• Exhaust pressure sensor 1 (auxiliary fuel pump bracket)
• Nca
• Oxygen sensor after three way catalytic converter & oxygen sensor 1 after catalytic converter heater (oxygen sensor after three way catalytic converter: exhaust, after catalytic converter)
• Red
• T14
• T5k
• T73a
• W/ abs & esp
• W/ abs & w/o esp

2.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 6) for Volkswagen Jetta S 2014:

• (driver's side footwell trim)
• (lower left kick panel) g602
• 10a
• 21a
• 22a
• 32a
• Auxiliary air heater heating element
• Engine coolant temperature (ect) sensor (rear of engine)
• Fuel pressure sensor (fuel rail assembly)
• Fuel temperature sensor (high pressure pump)
• Fuse 40a
• Fuse 50a
• Fuse 5a
• Fuse panel sb (left front of engine compt)
• G12 (lower left side of engine compt)
• High heat output relay (w/ auxiliary heater)
• Hot at all times
• Low heat output relay (w/ auxiliary heater)
• Red
• T14
• Throttle valve control module & throttle position sensor (throttle valve control module: on throttle body) (throttle position sensor: accelerator pedal assembly)

2.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 6) for Volkswagen Jetta S 2014:

• (12-relay carrier) fuel pump relay
• (12-relay carrier) fuel pump relay 2
• (on auxiliary relay carrier) automatic glow time control module
• (part of fuel delivery unit) fuel level sensor & transfer fuel pump (fp)
• Egr temperature sensor
• Engine control module (front left engine compt)
• Fuel metering valve (high pressure fuel pump)
• Fuel pressure regulator valve (fuel rail assembly)
• Fuel pump 2
• G12 (lower left side of engine compt)
• G655 (below left headlight assembly)
• G682 (right side of luggage compt)
• Red
• T14
• T60

2.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 6) for Volkswagen Jetta S 2014:

• (coolant reservoir) engine coolant level (ecl) sensor
• (oil pump housing) oil pressure switch
• Camshaft position (cmp) sensor (end of cylinder head)
• Computer data lines system
• Cruise control ind lamp
• Electronic power control malfunction ind lamp
• Engine coolant level/ temperature (ecl/ect) ind lamp
• Engine coolant temperature gauge
• Fuel gauge
• G655 (below left headlight assembly)
• Instrument cluster
• Instrument cluster control module
• Internal pressure sensor cylinder 1 & glow plug 1
• Internal pressure sensor cylinder 2 & glow plug 2
• Internal pressure sensor cylinder 3 & glow plug 3
• Internal pressure sensor cylinder 4 & glow plug 4
• Low fuel level ind lamp
• Malfunction ind lamp
• Nca
• Oil level thermal sensor (w/ flexible service interval reminder) (oil pan assembly)
• Oil pressure ind lamp
• Red
• Speedometer
• T14
• T6z
• Tachometer

2.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 6) for Volkswagen Jetta S 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 6) for Volkswagen Jetta S 2014:

• (air intake hose) (if equipped) positive crankcase ventilation (pcv) heating element
• 14b
• 15b
• 16b
• 47b
• Charge pressure actuator position sensor (turbocharger assembly)
• Computer data lines system
• Cooling fans system
• Cylinder fuel injectors (top of cylinders)
• Engine control module (front left engine compt)
• Exhaust gas recirculation (egr) position sensor 2 & egr valve 2
• Fuse 10a
• Fuse 15a
• Fuse panel sc (left side of dash)
• Hot at all times
• Intake air temperature (iat) & charge air pressure sensor (intake air temperature (iat) sensor: integral to charge air pressure sensor) (charge air pressure sensor: intake air duct)
• Intake manifold runner position sensor & intake flap motor (intake manifold)
• Red
• Starting/charging system
• T14
• T4aj
• T60
• T94
• Wastegate bypass regulator valve (turbocharger assembly)