ENGINE PERFORMANCE – Volkswagen Passat SE 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.8L TURBO

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

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

• (lower left side of engine compt) g640
• 21a
• Accelerator pedal position sensor & accelerator pedal position sensor 2 (installed in accelerator pedal module)
• Charge air pressure sensor (on charge air cooler)
• Engine control module (left front of engine compt)
• Engine coolant temperature (ect) sensor (on radiator) (integral with radiator hose)
• Fuse 40a
• Fuse panel b (in engine compartment electronics box)
• G640 (lower left side 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
• Oxygen sensor 1 before catalytic converter (in exhaust, upstream of catalytic converter)
• Oxygen sensor after three way catalytic converter
• Oxygen sensor heater
• Red
• Secondary air injection pump motor
• Secondary air injection pump relay
• Starting/ charging system
• T14a
• T91

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

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

• (behind left side of dash)
• 14a
• Abs control module (right rear of engine compt)
• Brake pedal switch/brake lamp switch (on master brake cylinder)
• Clutch position sensor (m/t) (on clutch slave cylinder)
• Computer data lines system
• Coolant fan control module (rear of coolant fan assembly)
• Electronic steering column lock control module (on steering column)
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse 7.5a
• Fuse n/a
• Fuse panel b (in engine compartment electronics box)
• G605 (upper steering column)
• Hot at all times
• Leak detection pump (if equipped) (in right rear wheelwell)
• Multi-function transmission range switch (a/t) (on top of transmission)
• Nca
• T4x
• T52b
• T52c
• Vehicle electrical system control module

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

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

• 12a
• 24a
• Engine control module (left front of engine compt)
• Fuse 20a
• Fuse 7.5a
• Fuse n/a
• Fuse panel b (in engine compartment electronics box)
• Fuse panel c (at left end of dash)
• Hot at all times
• Red
• Reduced oil pressure switch (left rear of engine)
• T105
• T14a

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

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

• (end of fuel rail) fuel pressure sensor
• (left rear of engine)
• (on thermostat housing)
• (on turbocharger) charge pressure actuator position sensor
• (rear of intake manifold) manifold absolute pressure sensor & intake air temperature sensor
• Camshaft position sensor
• Engine coolant temperature sensor
• Engine speed sensor
• Fuel injector cylinders
• Intake manifold runner control valve
• Intake manifold runner position sensor
• Oil pressure regulation valve (lower left rear of engine)
• Red
• Secondary air injection sensor 2
• Sensor 1
• Sensor 2
• T14a
• T14b
• T8i
• Throttle drive
• Throttle valve control module (on throttle body)
• Turbocharger air recirculation valve (on turbocharger)

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

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

• (in fuel delivery unit) fuel level sensor & transfer fuel pump
• (on coolant reservoir) engine coolant level sensor
• (on fuel delivery unit) fuel pump control module
• (right side of trunk) g51
• (under left headlight assembly) g655
• After-run coolant pump
• Camshaft adjustment valve 1 (rear of cylinder head)
• Engine control module (left front of engine compt)
• Fuel pressure regulator valve
• G640 (lower left side of engine compt)
• Knock sensor 1
• Oil level thermal sensor
• Red
• T105
• T14a
• T6z

1.8L Turbo, Engine Performance Wiring Diagram (6 of 6) for Volkswagen Passat SE 2014

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

• Computer data lines system
• Computer data lines systems
• Electronic power control malfunction indicator lamp
• Engine control module (left front of engine compt)
• Engine coolant level/temperature (ecl/ect) indicator lamp
• Evap canister purge regulator valve 1 (on left side of engine)
• Fuel gauge
• G15
• G640 (lower left side of engine compt)
• Ignition coil 1 w/ power output stage (on top front of engine)
• Ignition coil 2 w/ power output stage (on top of engine)
• Ignition coil 3 w/ power output stage (on top of engine)
• Ignition coil 4 w/ power output stage (on top rear of engine)
• Instrument cluster
• Instrument cluster control module
• Malfunction indicator lamp
• Nca
• Oil pressure indicator lamp
• Oil pressure switch
• Red
• Secondary air injection solenoid valve (right rear of engine)
• Starting/ charging system
• Steering column electronics control module (on steering column)
• T105
• T14a
• T16i
• T91
• To spark plug
• Vehicles w/ cruise control

2.0L TURBO DIESEL

2.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 7) for Volkswagen Passat SE 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 7) for Volkswagen Passat SE 2014:

• (on diesel particulate filter housing)
• (under left headlight assembly) g655
• (upper steering column) g605
• Engine control module (left front of engine compt)
• Engine coolant temperature sensor on radiator outlet (integral w/ radiator hose)
• Exhaust gas temperature sensor 2
• Exhaust gas temperature sensor 3
• Exhaust gas temperature sensor 4
• G605 (upper steering column)
• Generator
• Nca
• Red
• Reducing agent injector (in exhaust, upstream of nox reduction catalytic converter)
• Starter
• Starting/ charging system
• Steering column electronic system control module (w/ cruise control) (on steering column)
• T10g
• T16l
• T4t
• T94

2.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 7) for Volkswagen Passat SE 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 7) for Volkswagen Passat SE 2014:

• (behind left side of dash) vehicle electrical system control module
• (on exhaust valve)
• (on intake air tube)
• (right rear of engine) oil pressure switch
• (upper steering column) g605
• Accelerator pedal module
• Adapter cable
• Automatic glow time control module (in engine compt electronics box)
• Computer data lines system
• Exhaust door control unit
• Fuse 7.5a
• Fuse panel c (at left end of dash)
• G605 (upper steering column)
• G655 (under left headlight assembly)
• Heated oxygen sensor & w/ oxygen sensor heater (in exhaust, upstream of catalytic converter)
• Mass air flow sensor
• Nca
• Nox sensor (in exhaust, downstream of exhaust valve)
• Nox sensor control module (near front of exhaust)
• Red
• T14
• T52b
• T52c

2.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 7) for Volkswagen Passat SE 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 7) for Volkswagen Passat SE 2014:

• (on clutch slave cylinder) (m/t) clutch position sensor
• (on coolant reservoir) engine coolant level sensor
• (upper steering column) g605
• Charge air pressure sensor/intake air temperature sensor & intake manifold sensor (on charge air cooler)
• Computer data lines system
• Cylinder 1 combustion chamber pressure sensor & glow plug 1
• Cylinder 2 combustion chamber pressure sensor & glow plug 2
• Cylinder 3 combustion chamber pressure sensor & glow plug 3
• Cylinder 4 combustion chamber pressure sensor & glow plug 4
• Differential pressure sensor (mounted on diesel particulate filter housing)
• Electronic power control malfunction ind lamp
• Engine coolant level/ temperature indicator lamp
• Engine coolant temperature gauge
• Exhaust pressure sensor 1 (on diesel particulate filter housing)
• Fuel gauge
• G605 (upper steering column)
• Instrument cluster
• Instrument cluster control module
• Low fuel level ind lamp
• Malfunction ind lamp
• Oil pressure ind lamp
• Red
• T10g
• T14

2.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 7) for Volkswagen Passat SE 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 7) for Volkswagen Passat SE 2014:

• (in engine compt electronics box) fuse panel b
• (not used)
• (on master brake cylinder)
• (right rear of engine compt)
• 10a
• 14a
• 26a
• Abs control module
• Brake light switch & brake pedal switch
• Cooling fans system
• Engine control module (ecm) (left front of engine compt)
• Fuse 10a
• Fuse 20a (or 15a)
• Fuse 30a
• Fuse 50a
• Fuse 5a
• Fuse 5a (or 7.5a)
• Fuse 7.5a
• G605 (upper steering column)
• High heat output relay (w/ auxiliary heater)
• Hot at all times
• Lines system computer data
• Low heat output relay (w/ auxiliary heater)
• Red
• Starting/charging system
• System starting/charging
• T14
• T94

2.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 7) for Volkswagen Passat SE 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 7) for Volkswagen Passat SE 2014:

• (in engine compt electronics box) fuse panel b
• (integral to reducing agent delivery module) reducing agent heater control module
• (integral to reducing agent delivery module) reducing agent tank heater & temperature sensor
• (top of engine) fuel injector cylinders
• 13b
• 21a
• 22a
• 24b
• 25a
• 32a
• Cooling fans system
• Fuse 10a
• Fuse 20a
• Fuse 40a
• Fuse 50a
• Fuse panel c (at left end of dash)
• G50 (left side of trunk)
• Hot at all times
• Nca
• Positive crankcase ventilation heating element (on vent hose assembly)
• Red
• Reducing agent reservoir processing unit
• Reducing agent reservoir sensor (integral to reducing agent delivery module)
• Reducing agent reversing valve (integral to reducing agent delivery module)
• T14
• T14a
• T3ah
• T4as
• T5h
• T8l
• Wastegate bypass regulator valve (under intake manifold)

2.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 7) for Volkswagen Passat SE 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 7) for Volkswagen Passat SE 2014:

• (in fuel delivery unit) fuel level sensor/transfer fuel pump
• (integral to reducing agent delivery module) reducing agent line heater
• (integral to reducing agent delivery module) reducing agent pump heater
• (left rear of engine)
• (on upper relay carrier on vehicle electrical system control module) fuel pump relay
• Auxiliary heater heating element
• Egr valve 1/egr motor & egr potentiometer (egr valve 1: on intake manifold) (egr motor & egr potentiometer: in egr valve 1)
• Egr valve 2/egr motor 2 & exhaust gas recirculation position sensor 2 (egr valve 2: on egr cooler) (egr motor 2 & exhaust gas recirculation position sensor 2: in egr valve 2)
• Engine speed sensor
• Fuel pressure sensor (end of fuel rail)
• G44
• G50 (left side of trunk)
• G51 (right side of trunk)
• Red
• T8l
• Throttle valve control module & throttle position sensor (on throttle body)

2.0L Turbo Diesel, Engine Performance Wiring Diagram (7 of 7) for Volkswagen Passat SE 2014

List of elements for 2.0L Turbo Diesel, Engine Performance Wiring Diagram (7 of 7) for Volkswagen Passat SE 2014:

• (in exhaust, upstream of catalytic converter) egr temperature sensor
• (integral to reducing agent delivery module) reducing agent metering system pressure sensor
• (on high pressure pump) fuel temperature sensor
• (on thermostat housing) engine coolant temperature sensor
• (on turbocharger) exhaust gas temperature sensor 1
• Camshaft position sensor (on front of cylinder head)
• Charge air cooling pump (rear of engine)
• Charge pressure actuator position sensor (on turbocharger)
• Engine control module (ecm) (left front of engine compt)
• Fuel metering valve (on high pressure pump)
• Fuel pressure regulator valve (end of fuel rail)
• G640 (lower left side of engine compt)
• Nca
• Red
• T14
• T4ap
• T60
• T8l

2.5L

2.5L, Engine Performance Wiring Diagram (1 of 5) for Volkswagen Passat SE 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 5) for Volkswagen Passat SE 2014:

• (not used)
• (under left headlight assembly) g655
• 10a
• 14a
• 21a
• 25a
• Abs control module (right rear of engine compt)
• Brake light switch/ brake pedal switch (on master brake cylinder)
• Clutch position sensor (m/t) (on clutch slave cylinder)
• Cooling fans system
• Engine control module (left front of engine compt)
• Engine coolant temperature sensor on radiator (integral w/ radiator hose)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 5a (or 7.5a)
• Fuse panel b (in engine compt electronics box)
• G605 (upper steering column)
• Hot at all times
• If equipped
• Secondary air injection pump relay (if equipped)
• T94

2.5L, Engine Performance Wiring Diagram (2 of 5) for Volkswagen Passat SE 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 5) for Volkswagen Passat SE 2014:

• (behind left side of dash) vehicle electrical system control module
• (or red)
• 13b
• Accelerator pedal position sensor & sensor 2 (installed in accelerator pedal module)
• Computer data lines system
• Fuse 10a
• Fuse 7.5a
• Fuse panel c (at left end of dash)
• G605 (upper steering column)
• G640 (lower left side of engine compt)
• Heated oxygen sensor/ oxygen sensor heater (heated oxygen sensor: on exhaust manifold)
• Hot at all times
• If equipped
• Nca
• Oxygen sensor after three way catalytic converter & oxygen sensor 1 after catalytic converter (if equipped)
• Oxygen sensor in bank 1 center three way catalytic converter & oxygen sensor 3 heater (if equipped)
• Secondary air injection pump motor (if equipped) (lower left
• Side of engine)
• T52b
• T52c

2.5L, Engine Performance Wiring Diagram (3 of 5) for Volkswagen Passat SE 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 5) for Volkswagen Passat SE 2014:

• (in fuel delivery unit) transfer fuel pump/ fuel level sensor
• (on coolant reservoir) engine coolant level sensor
• (on upper relay carrier on vehicle electrical system control module)
• (or red)
• (top of engine)
• 24b
• Fuel pump relay
• Fuse 20a
• Fuse panel c (at left end of dash)
• G15
• G51 (right side of trunk)
• G605 (upper steering column)
• G640 (lower left side of engine compt)
• Hot at all times
• If equipped
• 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
• Ignition coil 5 w/ power output stage
• Nca
• Red
• Secondary air injection solenoid valve (right rear of engine)
• Starter
• T14
• To spark plug

2.5L, Engine Performance Wiring Diagram (4 of 5) for Volkswagen Passat SE 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 5) for Volkswagen Passat SE 2014:

• (left rear of engine) oil pressure switch
• (on left side of engine) evap canister purge regulator valve 1
• (or red)
• (rear of cylinder head) camshaft adjustment valve 1
• (upper steering column) g605
• Computer data lines system
• Electronic power control malfunction ind lamp
• Engine control module (left front of engine compt)
• Engine coolant level/ temperature indicator lamp
• Engine coolant temperature gauge
• Engine coolant temperature sensor (on thermostat housing)
• Fuel gauge
• If equipped
• Instrument cluster
• Instrument cluster control module
• Low fuel level ind lamp
• Malfunction ind lamp
• Oil level ind lamp
• Oil pressure ind lamp
• Red
• Reduced oil pressure switch (left rear of engine)
• T14
• T60
• Throttle valve control module (on throttle body)

2.5L, Engine Performance Wiring Diagram (5 of 5) for Volkswagen Passat SE 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (5 of 5) for Volkswagen Passat SE 2014:

• (lower left rear of engine) oil pressure regulation valve
• (or red)
• (top of engine) fuel injector cylinder 1
• (top of engine) fuel injector cylinder 2
• (top of engine) fuel injector cylinder 3
• (top of engine) fuel injector cylinder 4
• (top of engine) fuel injector cylinder 5
• Camshaft position sensor (left front of cylinder head)
• Computer data lines system
• Engine control module (ecm) (left front of engine compt)
• Engine speed sensor (bottom rear of engine)
• If equipped
• Knock sensor 1 (right side of engine)
• Knock sensor 2 (right side of engine)
• Manifold absolute pressure sensor & intake air temperature sensor (rear of intake manifold)
• Nca
• Red
• Secondary air injection sensor 1
• Starting/charging system
• Steering column electronic systems control module (w/ cruise control) (on steering column) t16l
• T14
• T16v
• T60
• T94

3.6L

3.6L, Engine Performance Wiring Diagram (1 of 8) for Volkswagen Passat SE 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (1 of 8) for Volkswagen Passat SE 2014:

• (integral w/ radiator hose) engine temperature sensor on radiator outlet
• (on master brake cylinder) brake lamp switch & brake pedal switch
• Cooling fans system
• Engine control module (ecm) (left front of engine compt)
• G605 (upper steering column)
• G655 (under left headlight assembly)
• If equipped
• Starting/ charging system
• T14
• T94

3.6L, Engine Performance Wiring Diagram (2 of 8) for Volkswagen Passat SE 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (2 of 8) for Volkswagen Passat SE 2014:

• (on steering column) steering column electronic system control module
• (on upper relay carrier on vehicle electrical system control module)
• Accelerator pedal module
• Dsg transmission mechatronic (if equipped)
• G605 (upper steering column)
• If equipped
• Mass air flow sensor & intake air temperature sensor (on air intake tube)
• Red
• Sensor 1
• Sensor 2
• Starter
• T16l

3.6L, Engine Performance Wiring Diagram (3 of 8) for Volkswagen Passat SE 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (3 of 8) for Volkswagen Passat SE 2014:

• (on coolant reservoir) engine coolant level sensor
• (on fuel delivery unit) fuel pump control module
• (on oil filter mount assembly) oil pressure switch
• (transfer fuel pump/fuel level sensor: in fuel delivery unit) (fuel delivery unit: top right side of fuel tank) transfer fuel pump/ fuel delivery unit & fuel level sensor
• Fuse 7.5a
• Fuse panel c (at left end of dash)
• G51 (right side of trunk)
• G605 (upper steering column)
• G655 (under left headlight assembly)
• Heated oxygen sensor (integral w/ right exhaust manifold)
• Lines system computer data
• Nca
• Oil level thermal sensor (w/ interval extension) (bottom of engine oil pan)
• Positive crankcase ventilation heating element (on vent hose assembly)
• T14
• T52b
• T52c
• T6z
• Vehicle electrical system control module (behind left side of dash)

3.6L, Engine Performance Wiring Diagram (4 of 8) for Volkswagen Passat SE 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (4 of 8) for Volkswagen Passat SE 2014:

• 24a
• Charge air pressure gauge
• Computer data lines system
• Electronic power control malfunction indicator lamp
• Engine control module (left front of engine compt)
• Fuel gauge
• Fuse 20a
• Fuse 7.5a
• Fuse panel c (at left end of dash)
• Generator w/ voltage regulator
• Heated oxygen sensor 2 (integral w/ left exhaust manifold)
• Hot at all times
• Instrument cluster
• Instrument cluster control module
• Lines system computer data
• Low fuel level ind lamp
• Malfunction indicator lamp
• Nca
• Oil level ind lamp
• Oil pressure ind lamp
• System starting/charging
• T4t
• T94

3.6L, Engine Performance Wiring Diagram (5 of 8) for Volkswagen Passat SE 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (5 of 8) for Volkswagen Passat SE 2014:

• (not used)
• 10a
• 12a
• 14a
• 25a
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse panel b (in engine compt electronics box)
• Fuse panel f (left side of trunk)
• Hot at all times
• Leak detection pump (ldp) (in right rear wheelwell)
• Nca
• Oxygen sensor 1 after three way catalytic converter
• Oxygen sensor 2 after catalytic converter
• Recirculation pump relay
• Red

3.6L, Engine Performance Wiring Diagram (6 of 8) for Volkswagen Passat SE 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (6 of 8) for Volkswagen Passat SE 2014:

• (end of fuel rail) fuel pressure sensor
• (left front of cylinder head) camshaft position (cmp) sensor 2
• (on fuel rail cross-over tube) low fuel pressure sensor
• (on thermostat housing) engine coolant temperature (ect) sensor
• (right front of cylinder head) camshaft position (cmp) sensor
• Coolant recirculation pump
• G640 (lower left side of engine compt)
• T14
• Throttle valve control module (on throttle body)

3.6L, Engine Performance Wiring Diagram (7 of 8) for Volkswagen Passat SE 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (7 of 8) for Volkswagen Passat SE 2014:

• (front of cylinder head) camshaft adjustment valve 1
• (front of cylinder head) exhaust camshaft adjustment valve 1
• (on left side of engine) evap canister purge regulator valve 1
• (rear of engine) fuel pressure regulator valve
• Engine speed sensor (left rear of engine)
• Knock sensor 1 (between cylinders 1 & 3)
• Knock sensor 2 (between cylinders 4 & 6)
• Nca
• Red
• T14

3.6L, Engine Performance Wiring Diagram (8 of 8) for Volkswagen Passat SE 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (8 of 8) for Volkswagen Passat SE 2014:

• (top of engine)
• Engine control module (left front of engine compt)
• Fuel injector 1 cylinder
• Fuel injector 2 cylinder
• Fuel injector 3 cylinder
• Fuel injector 4 cylinder
• Fuel injector 5 cylinder
• Fuel injector 6 cylinder
• G15
• G640 (lower left side of engine compt)
• Ignition coils w/ power output stage (top of engine)
• Nca
• Red
• T14
• T60
• To spark plug