ENGINE PERFORMANCE – Volkswagen Jetta TDI 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L

2.0L, Engine Performance Wiring Diagram, CBEA (1 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBEA (1 of 6) for Volkswagen Jetta TDI 2009:

• (in plenum, by left front strut tower) g607
• (not used)
• Brake light switch & brake pedal switch
• Engine control module (ecm)
• Engine coolant temperature (ect) sensor (w/ radiator) (lower left corner of radiator)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 50a
• Fuse 5a
• Fuse panel b
• G602
• Hot at all times
• Red
• Steering column electronic systems control module (on steering column)
• T20d
• T40
• T94
• Throttle position (tp) sensor & accelerator pedal position sensor 2

2.0L, Engine Performance Wiring Diagram, CBEA (2 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBEA (2 of 6) for Volkswagen Jetta TDI 2009:

• Auxiliary fuel pump
• Bank 1 exhaust gas temperature (egt) sensor 2
• Differential pressure sensor
• Exhaust gas temperature (egt) sensor 1
• Exhaust gas temperature (egt) sensor 3
• Exhaust gas temperature (egt) sensor 4
• Exhaust pressure sensor 1
• Exhaust valve control module
• Fuel pump (fp) relay & auxiliary fuel pump (fp) relay
• G656
• Heated oxygen sensor (at exhaust manifold junction)
• Nca
• Oxygen sensor (o2s) behind three way catalytic converter (twc) (downstream of catalytic converter)
• Red

2.0L, Engine Performance Wiring Diagram, CBEA (3 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBEA (3 of 6) for Volkswagen Jetta TDI 2009:

• (below left side of dash) vehicle electrical system control module
• (right rear corner of engine compt) abs control module
• 27a
• Charging system
• Clutch position sensor
• Computer data lines system
• Fuse 10a
• Fuse 15a
• Fuse panel c
• G602
• Hot at all times
• Intake air temperature (iat) sensor/charge air pressure sensor (integral to mass airflow sensor)
• Mass air flow (maf) sensor (in intake air duct)
• Positive crankcase ventilation (pcv) heating element
• Red
• Starting/
• W/ esp
• W/o esp

2.0L, Engine Performance Wiring Diagram, CBEA (4 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBEA (4 of 6) for Volkswagen Jetta TDI 2009:

• Automatic glow time control module
• Computer data lines system
• Cylinder 1 w/ internal pressure sensor
• Cylinder 2 w/ internal pressure sensor
• Cylinder 3 w/ internal pressure sensor
• Cylinder 4 w/ internal pressure sensor
• Engine coolant temperature gauge
• Fuel injectors (top left side of engine)
• G602
• G642 (left side of engine compt)
• Instrument cluster
• Instrument cluster control module
• Low fuel warning ind
• Mal- function ind
• Oil pressure switch (on oil pump housing)
• Oil pressure warning ind
• Red
• Speedometer
• Tachometer
• Throttle valve control module

2.0L, Engine Performance Wiring Diagram, CBEA (5 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBEA (5 of 6) for Volkswagen Jetta TDI 2009:

• (left rear of engine) engine speed (rpm) sensor
• Charge pressure actuator position sensor
• Egr temperature sensor
• Engine control module (ecm)
• Engine coolant temperature (ect) sensor (rear of left cylinder head)
• Fuel level sensor/ transfer fuel pump (fp)
• Fuel metering valve
• Fuel pressure regulator valve
• Fuel pressure sensor
• Fuel quality sensor & egr valve 2
• G78
• Red
• T60

2.0L, Engine Performance Wiring Diagram, CBEA (6 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBEA (6 of 6) for Volkswagen Jetta TDI 2009:

• Camshaft position (cmp) sensor (left side of engine)
• Charging system
• Computer data lines system
• Cooling fans system
• Egr potentiometer & egr vacuum regulator solenoid valve
• Engine control module (ecm)
• Engine coolant level (ecl) sensor
• Fuel temperature sensor
• Intake manifold runner position sensor & intake flap motor
• Nca
• Red
• Starting/
• T60
• T94
• Wastegate bypass regulator valve

2.0L, Engine Performance Wiring Diagram, CBFA (1 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBFA (1 of 6) for Volkswagen Jetta TDI 2009:

• (in plenum, by left front strut tower) g607
• (not used)
• Cooling fans system
• Cruise control system
• Engine coolant temperature (ect) sensor (on radiator) (lower left corner of radiator)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 5a
• Fuse panel b
• Hot at all times
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Oxygen sensor bank 1 (in center three way catalytic convertor)
• Oxygen sensor behind three way catalytic converter (downstream of catalytic converter)
• Power distribution system
• Radiator identification sensor
• Red
• Starting/charging system
• T40
• T94

2.0L, Engine Performance Wiring Diagram, CBFA (2 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBFA (2 of 6) for Volkswagen Jetta TDI 2009:

• (below left side of dash) vehicle electrical system control module
• (in plenum, by left front strut tower) g607
• (right rear corner of engine compt) abs control module
• Brake pedal/ brake light switch
• Clutch position sensor
• Coolant circulation pump relay
• G602
• Heated oxygen sensor (at exhaust manifold junction)
• Leak detection pump (ldp) (in right rear wheelwell, near fuel filler door)
• Nca
• Power distribution system
• Recirculation pump
• Red
• T26a
• T47
• Throttle position (tp) sensor & accelerator pedal position sensor 2
• W/ esp
• W/o esp

2.0L, Engine Performance Wiring Diagram, CBFA (3 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBFA (3 of 6) for Volkswagen Jetta TDI 2009:

• (above & right of relay panel) fuel pump (fp) control module
• Fuel level sensor & transfer fuel pump
• Fuse 40a
• Fuse panel b
• G15 (on top of cylinder head)
• G642 (left side of engine compt)
• G78
• Hot at all times
• Ignition coils w/ power output stage (on top of engine)
• Instrument cluster system
• Nca
• Red
• Secondary air injection (air) pump relay
• T40
• To spark plug

2.0L, Engine Performance Wiring Diagram, CBFA (4 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBFA (4 of 6) for Volkswagen Jetta TDI 2009:

• 27a
• Camshaft position (cmp) sensor (left side of engine)
• Computer data lines system
• Engine coolant level (ecl) sensor
• Engine coolant level/temp warning lamp
• Engine coolant temp gauge
• Engine coolant temperature (ect) sensor (rear of left cylinder head)
• Engine electronics ind
• Fuel gauge
• Fuel pressure sensor
• Fuse 10a
• Fuse 15a
• Fuse panel c
• Hot at all times
• Instrument cluster
• Instrument cluster control module
• Knock sensor (ks) 1 (on lower right side of engine, below exhaust manifold)
• Mil ind
• Nca
• Oil pressure switch (on oil pump housing)
• Oil pressure warning lamp
• Secondary air injection sensor 1

2.0L, Engine Performance Wiring Diagram, CBFA (5 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBFA (5 of 6) for Volkswagen Jetta TDI 2009:

• (in intake air duct) mass air flow (maf) sensor
• (left rear of engine) engine speed (rpm) sensor
• Fuel injectors (top left side of engine)
• Fuse 10a
• Fuse panel c
• Hot at all times
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• T60
• Throttle valve control module

2.0L, Engine Performance Wiring Diagram, CBFA (6 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CBFA (6 of 6) for Volkswagen Jetta TDI 2009:

• (integral to mass airflow sensor) intake air temp- erature (iat) sensor
• Camshaft adjustment valve 1 (rear of cylinder head)
• Charge air pressure sensor
• Computer data lines system
• Evaporative emission canister purge regulator valve (top front of intake manifold)
• Fuel pressure regulator valve
• Fuse 5a
• Fuse panel b
• G655 (below left headlight assembly)
• Hot at all times
• Intake manifold runner position sensor
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Secondary air injection (air) pump motor (on lower left side of engine)
• Secondary air injection (air) solenoid valve (left of exhaust manifold)
• T40
• T60
• T94
• Turbocharger recalculating valve
• Wastegate bypass regulator valve
• Wastegate bypass regulator valve 2

2.0L, Engine Performance Wiring Diagram, CCTA (1 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CCTA (1 of 6) for Volkswagen Jetta TDI 2009:

• (in plenum, by left front strut tower) g607
• (not used)
• (wagon)
• Cooling fans system
• Cruise control system
• Engine coolant temperature (ect) sensor (on radiator) (rear of left cylinder head)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 5a
• Fuse panel b
• Hot at all times
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Oxygen sensor (o2s) behind three way catalytic converter (downstream of catalytic converter)
• Red
• Starting/charging system
• T94

2.0L, Engine Performance Wiring Diagram, CCTA (2 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CCTA (2 of 6) for Volkswagen Jetta TDI 2009:

• (below left side of dash) vehicle electrical system control module
• (right rear corner of engine compt) abs control module
• Brake light/brake pedal switch
• Clutch position sensor
• Coolant circulation pump relay
• G602
• Heated oxygen sensor (ho2s), oxygen sensor (o2s) heater
• Leak detection pump (ldp) (in right rear wheelwell, near fuel filler door)
• Nca
• Red
• T269
• T47
• Throttle position (tp) sensor & accelerator pedal position sensor 2
• W/ esp
• W/o esp

2.0L, Engine Performance Wiring Diagram, CCTA (3 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CCTA (3 of 6) for Volkswagen Jetta TDI 2009:

• (above & right of relay panel) fuel pump (fp) control module
• (in plenum, by left front strut tower) g607
• Engine coolant level (ecl) sensor
• Fuel level sensor & transfer fuel pump
• G15 (on top of cylinder head)
• G642 (left side of engine compt)
• G78
• Ignition coils w/ power output stage (on top of engine)
• Nca
• Recirculation pump
• Red
• To spark plug

2.0L, Engine Performance Wiring Diagram, CCTA (4 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CCTA (4 of 6) for Volkswagen Jetta TDI 2009:

• 27a
• Camshaft position (cmp) sensor (left side of engine)
• Computer data lines system
• Engine coolant level/temp warning
• Engine coolant temp gauge
• Engine coolant temperature (ect) sensor (rear of left cylinder head)
• Engine electronics ind
• Fuel gauge
• Fuel pressure sensor
• Fuse 10a
• Fuse 15a
• Fuse panel c
• Hot at all times
• Instrument cluster
• Instrument cluster module
• Knock sensor (ks) 1 (on lower right side of engine, below exhaust manifold)
• Mil ind
• Oil pressure switch (on oil pump housing)
• Oil pressure warning

2.0L, Engine Performance Wiring Diagram, CCTA (5 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CCTA (5 of 6) for Volkswagen Jetta TDI 2009:

• (left rear of engine) engine speed (rpm) sensor
• Fuel injectors (top left side of engine)
• Fuse 10a
• Fuse panel c
• Hot at all times
• Intake air temperature (iat) sensor/mass air flow (maf) sensor (integral to mass airflow sensor & in intake air duct)
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• T60
• Throttle valve control module

2.0L, Engine Performance Wiring Diagram, CCTA (6 of 6) for Volkswagen Jetta TDI 2009

List of elements for 2.0L, Engine Performance Wiring Diagram, CCTA (6 of 6) for Volkswagen Jetta TDI 2009:

• (integral to mass airflow sensor) intake air temp- erature (iat) sensor
• Camshaft adjustment valve 1 (rear of cylinder head)
• Charge air pressure sensor
• Computer data lines system
• Evaporative emission canister purge regulator valve (top front of intake manifold)
• Fuel pressure regulator valve
• Fuse 5a
• Fuse panel b
• Hot at all times
• Intake manifold runner position sensor
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• T60
• T94
• Turbocharger recirculating valve
• Wastegate bypass regulator valve
• Wastegate bypass regulator valve 2

2.5L

2.5L, Engine Performance Wiring Diagram, CBTA (1 of 5) for Volkswagen Jetta TDI 2009

List of elements for 2.5L, Engine Performance Wiring Diagram, CBTA (1 of 5) for Volkswagen Jetta TDI 2009:

• (not used)
• Brake light switch/ brake pedal switch
• Clutch position sensor
• Cooling fans system
• Engine coolant temperature sensor (radiator) (lower left corner of radiator)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 50a
• Fuse 5a
• Fuse panel b
• G602
• G607 (in plenum, by left front strut tower)
• Hot at all times
• Leak detection pump (ldp) (in right rear wheelwell, near fuel filler door)
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Secondary air injection (air) pump relay
• T40
• T94

2.5L, Engine Performance Wiring Diagram, CBTA (2 of 5) for Volkswagen Jetta TDI 2009

List of elements for 2.5L, Engine Performance Wiring Diagram, CBTA (2 of 5) for Volkswagen Jetta TDI 2009:

• (below left side of dash) vehicle electrical system control module
• (right rear corner of engine compt) abs control module
• Fuse 10a
• Fuse panel c
• G655 (below left headlight assembly)
• Heated oxygen sensor (at exhaust manifold junction)
• Nca
• Oxygen sensor behind three way catalytic converter (cbua) (downstream of catalytic converter)
• Oxygen sensor center three way catalytic converter bank 1
• Secondary air injection (air) pump motor (on lower left side of engine)
• T26a
• T47
• Throttle position (tp) sensor & accelerator pedal position sensor 2
• W/ esp
• W/o esp

2.5L, Engine Performance Wiring Diagram, CBTA (3 of 5) for Volkswagen Jetta TDI 2009

List of elements for 2.5L, Engine Performance Wiring Diagram, CBTA (3 of 5) for Volkswagen Jetta TDI 2009:

• 27a
• Engine coolant level (ecl) sensor
• Fuel primer relay
• Fuel pump relay
• Fuse 15a
• Fuse panel c
• G15 (on top of cylinder head)
• G602
• G642 (left side of engine compt)
• G78
• Hot at all times
• Ignition coil 1 w/ power output stage (on top 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 of engine)
• Ignition coil 5 w/ power output stage (on top of engine)
• Nca
• Red
• Secondary air injection (air) solenoid valve (left of exhaust manifold)
• Starter
• To spark plug
• Transfer fuel pump/ fuel level sensor

2.5L, Engine Performance Wiring Diagram, CBTA (4 of 5) for Volkswagen Jetta TDI 2009

List of elements for 2.5L, Engine Performance Wiring Diagram, CBTA (4 of 5) for Volkswagen Jetta TDI 2009:

• (on oil pump housing) oil pressure switch
• (rear of cylinder head) camshaft adjustment valve 1
• (top front of intake manifold) evaporative emission (evap) canister purge regulator valve
• Computer data lines system
• Cooling fans system
• Electronic power control warning lamp
• Engine coolant level/ temperature warning lamp
• Engine coolant temp gauge
• Engine coolant temperature (ect) sensor (rear of left cylinder head)
• Fuel gauge
• G642 (left side of engine compt)
• Instrument cluster
• Instrument cluster control module
• Malfunction ind lamp
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Oil pressure warning lamp
• Speedometer
• T60
• Tachometer
• Throttle valve control module

2.5L, Engine Performance Wiring Diagram, CBTA (5 of 5) for Volkswagen Jetta TDI 2009

List of elements for 2.5L, Engine Performance Wiring Diagram, CBTA (5 of 5) for Volkswagen Jetta TDI 2009:

• (top left side of engine) cylinder 1 fuel injector
• (top left side of engine) cylinder 2 fuel injector
• (top left side of engine) cylinder 3 fuel injector
• (top left side of engine) cylinder 4 fuel injector
• (top left side of engine) cylinder 5 fuel injector
• Camshaft position sensor (left side of engine)
• Computer data lines system
• Engine speed (rpm) sensor (left rear of engine)
• Knock sensor (ks) 1 (on lower right side of engine, below exhaust manifold)
• Knock sensor (ks) 2 (on lower right side of engine, below exhaust manifold)
• Manifold absolute pressure (map) sensor (rear of intake manifold)
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Red
• Secondary air injection sensor 1
• Starting/charging system
• Steering column electronic systems control module (on steering column)
• T20d
• T60
• T94

2.5L, Engine Performance Wiring Diagram, CBUA (1 of 5) for Volkswagen Jetta TDI 2009

List of elements for 2.5L, Engine Performance Wiring Diagram, CBUA (1 of 5) for Volkswagen Jetta TDI 2009:

• (not used)
• Brake light switch/ brake pedal switch
• Clutch position sensor
• Cooling fans system
• Engine coolant temperature sensor (radiator) (lower left corner of radiator)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 50a
• Fuse 5a
• Fuse panel b
• G602
• G607 (in plenum, by left front strut tower)
• Hot at all times
• Leak detection pump (ldp) (in right rear wheelwell, near fuel filler door)
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Secondary air injection (air) pump relay
• T40
• T94

2.5L, Engine Performance Wiring Diagram, CBUA (2 of 5) for Volkswagen Jetta TDI 2009

List of elements for 2.5L, Engine Performance Wiring Diagram, CBUA (2 of 5) for Volkswagen Jetta TDI 2009:

• (below left side of dash) vehicle electrical system control module
• (right rear corner of engine compt) abs control module
• Fuse 10a
• Fuse panel c
• G655 (below left headlight assembly)
• Heated oxygen sensor (at exhaust manifold junction)
• Nca
• Oxygen sensor behind three way catalytic converter (cbua) (downstream of catalytic converter)
• Oxygen sensor center three way catalytic converter bank 1
• Secondary air injection (air) pump motor (on lower left side of engine)
• T26a
• T47
• Throttle position (tp) sensor & accelerator pedal position sensor 2
• W/ esp
• W/o esp

2.5L, Engine Performance Wiring Diagram, CBUA (3 of 5) for Volkswagen Jetta TDI 2009

List of elements for 2.5L, Engine Performance Wiring Diagram, CBUA (3 of 5) for Volkswagen Jetta TDI 2009:

• 27a
• Engine coolant level (ecl) sensor
• Fuel primer relay
• Fuel pump relay
• Fuse 15a
• Fuse panel c
• G15 (on top of cylinder head)
• G602
• G642 (left side of engine compt)
• G78
• Hot at all times
• Ignition coil 1 w/ power output stage (on top 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 of engine)
• Ignition coil 5 w/ power output stage (on top of engine)
• Nca
• Red
• Secondary air injection (air) solenoid valve (left of exhaust manifold)
• Starter
• To spark plug
• Transfer fuel pump/ fuel level sensor

2.5L, Engine Performance Wiring Diagram, CBUA (4 of 5) for Volkswagen Jetta TDI 2009

List of elements for 2.5L, Engine Performance Wiring Diagram, CBUA (4 of 5) for Volkswagen Jetta TDI 2009:

• (on oil pump housing) oil pressure switch
• (rear of cylinder head) camshaft adjustment valve 1
• (top front of intake manifold) evaporative emission (evap) canister purge regulator valve
• Computer data lines system
• Cooling fans system
• Electronic power control warning lamp
• Engine coolant level/ temperature warning lamp
• Engine coolant temp gauge
• Engine coolant temperature (ect) sensor (rear of left cylinder head)
• Fuel gauge
• G642 (left side of engine compt)
• Instrument cluster
• Instrument cluster control module
• Malfunction ind lamp
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Oil pressure warning lamp
• Speedometer
• T60
• Tachometer
• Throttle valve control module

2.5L, Engine Performance Wiring Diagram, CBUA (5 of 5) for Volkswagen Jetta TDI 2009

List of elements for 2.5L, Engine Performance Wiring Diagram, CBUA (5 of 5) for Volkswagen Jetta TDI 2009:

• (top left side of engine) cylinder 1 fuel injector
• (top left side of engine) cylinder 2 fuel injector
• (top left side of engine) cylinder 3 fuel injector
• (top left side of engine) cylinder 4 fuel injector
• (top left side of engine) cylinder 5 fuel injector
• Camshaft position sensor (left side of engine)
• Computer data lines system
• Engine speed (rpm) sensor (left rear of engine)
• Knock sensor (ks) 1 (on lower right side of engine, below exhaust manifold)
• Knock sensor (ks) 2 (on lower right side of engine, below exhaust manifold)
• Manifold absolute pressure (map) sensor (rear of intake manifold)
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Red
• Secondary air injection sensor 1
• Starting/charging system
• Steering column electronic systems control module (on steering column)
• T20d
• T60
• T94