ENGINE PERFORMANCE – Volkswagen Jetta GLS 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.8L TURBO

1.8L Turbo, Engine Performance Wiring Diagram (1 of 3) for Volkswagen Jetta GLS 2005

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (1 of 3) for Volkswagen Jetta GLS 2005:

• (a/t)
• (not used)
• (pins 10-20 not used)
• (pins 23, 24 & 26 not used)
• (pins 6-8 not used)
• 29a
• 31a
• 37a
• A/c system
• A/t
• Accelerator pedal position sensors 1 & 2 (in the pedal assembly)
• Computer data lines system
• Cruise control system
• Evaporative emission canister purge regulator valve
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 50a
• Fuse panel
• Fuse/ red bracket battery
• G42 (left side of steer- ing column)
• G608 (left side of firewall)
• Heated oxygen sensor (ho2s)
• Hot at all times
• Hot in run or start
• Ignition switch
• Leak detection pump
• Lock
• M/t
• Mass airflow sensor
• Motronic engine control module (in protective box, in left rear corner of engine compartment)
• Nca
• Oxygen sensor (o2s) (behind catalytic converter)
• Red
• Relay panel
• Run
• Start
• Starting/ charging system
• Transmission system

1.8L Turbo, Engine Performance Wiring Diagram (2 of 3) for Volkswagen Jetta GLS 2005

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (2 of 3) for Volkswagen Jetta GLS 2005:

• (left side of steer- ing column)
• 28a
• A/t
• Brake booster control module (a/t)
• Brake system vacuum pump
• Brake system vacuum pump (a/t)
• Early prod
• Electronic power control fault light
• Engine speed (rpm) sensor
• Fuel pump
• Fuse 10a
• Fuse 15a
• Fuse 50a
• Fuse panel
• Fuse s51 20a
• Fuse/ bracket battery
• G42
• G609 (right side of firewall)
• Hot at all times
• Instrument cluster
• Knock sensor 1
• Knock sensor 2
• Late prod 2003, 2004, 2005
• M/t
• Malfunction indicator lamp
• Nca
• Power steering pressure switch
• Red
• Secondary air injection pump motor
• Secondary air injection pump relay (in left side of engine compt)
• Secondary air injection solenoid valve
• T32
• T32a

1.8L Turbo, Engine Performance Wiring Diagram (3 of 3) for Volkswagen Jetta GLS 2005

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (3 of 3) for Volkswagen Jetta GLS 2005:

• 13a
• Brake- light switch
• Camshaft adjustment valve 1
• Camshaft position sensor
• Charge air pressure sensor
• Clutch vacuum vent valve switch
• Cruise control system
• Engine coolant temperature sensor
• Fuel injectors
• Fuse 10a
• Fuse 7.5a
• Fuse panel (behind left side of dash)
• G15 (on cylinder head)
• G608 (center of firewall)
• Hot at all times
• Ignition coils
• Intake air temperature
• Motronic engine control module (in protective box, in left rear corner of engine compt)
• Nca
• Not used
• Throttle valve control module
• To spark plug
• Turbocharger recirculating valve
• Wastegate bypass regu- lator valve

1.9L TURBO DIESEL

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (1 of 4) for Volkswagen Jetta GLS 2005

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (1 of 4) for Volkswagen Jetta GLS 2005:

• (not used)
• 29a
• 37a
• A/c system
• Acc
• Clutch pedal switch (above clutch pedal)
• Cruise control system
• Diesel direct fuel injection (dfi) engine control module (ecm) (base of windshield, center of plenum)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse 5a
• Fuse bracket/ bracket (behind battery)
• Fuse panel (behind left side of dash)
• Fuse s176 110a
• G608 (left rear of eng compt)
• G608 (left rear of engine compt)
• Heated oxygen sensor (below vehicle, front of 3-way catalytic conv)
• Hot at all times
• Ignition switch
• Lock
• M/t
• Mass airflow (maf) sensor (right side of air cleaner housing)
• Nca
• Positive crankcase ventilation (pcv) heating element (in pcv hose)
• Red
• Relay panel
• Run
• Start
• T94
• Throttle position (tp) sensor/ closed throttle position (ctp) switch/kickdown switch (above accelerator pedal)
• W/ pcv heating element
• W/o pcv heating element

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (2 of 4) for Volkswagen Jetta GLS 2005

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (2 of 4) for Volkswagen Jetta GLS 2005:

• A/c system
• A/t
• Coolant glow plugs (m/t)
• Coolant preheating relay (high heat output) (m/t)
• Coolant preheating relay (low heat output) (m/t)
• Cruise control system
• Diesel direct fuel injection (dfi) engine control module (ecm) (base of wind- shield, center of plenum)
• Engine glow plugs
• Fuel pump
• Fuel pump relay
• Fuse 50a
• Fuse/ bracket battery (behind battery)
• G42 (below left side of dash)
• G608 (left rear of eng compt)
• Glow plug triggering control module
• Hot at all times
• M/t
• Red
• Starting/ charging system
• T94
• Transmission system

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (3 of 4) for Volkswagen Jetta GLS 2005

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (3 of 4) for Volkswagen Jetta GLS 2005:

• Brake- light switch (above brake pedal)
• Camshaft position sensor (on cylinder head, behind camshaft sprocket)
• Egr vacuum regulator solenoid valve (on left rear of eng compt)
• Egr valve 2
• Fuse 10a
• Fuse panel (behind left side of dash)
• G608 (left rear of engine compt)
• Hot at all times
• Instrument cluster
• Intake air temperature sensor (integral to map sensor)
• Intake flap motor
• M/t
• Nca
• T32
• T32a
• Transmission system
• Wastegate bypass regulator valve (left rear side of engine compt)

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (4 of 4) for Volkswagen Jetta GLS 2005

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (4 of 4) for Volkswagen Jetta GLS 2005:

• (front of diesel dfi pump) fuel temperature sensor
• Diesel direct fuel injection (dfi) engine control module (ecm) (base of wind- shield, center of plenum)
• Egr vacuum regulator valve (on left side of firewall)
• Engine coolant temperature (ect) sensor (on cylinder head)
• Engine speed (rpm) sensor (left rear of cylinder block)
• Nca
• Pump/injector valves
• Red
• T60
• Turbocharger (tc) vane position sensor

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (1 of 4) for Volkswagen Jetta GLS 2005

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (1 of 4) for Volkswagen Jetta GLS 2005:

• (in plenum, by left front strut tower)
• Accelerator pedal position sensor 2/throttle position sensor
• Clutch position sensor
• Diesel direct fuel injection (dfi) engine control module
• Fuse 10a
• Fuse 20a
• Fuse 25a
• Fuse panel b
• G43 (behind right kick panel)
• G607
• G655 (below left headlight assembly)
• Heated oxygen sensor
• Hot at all times
• Mass airflow (maf) sensor
• Nca
• Red
• Starting/ charging system
• Steering column electronic systems control module
• T20d
• T26
• T40
• T94
• Vehicle electrical system control module

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (2 of 4) for Volkswagen Jetta GLS 2005

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (2 of 4) for Volkswagen Jetta GLS 2005:

• Automatic glow time control module
• Computer data lines system
• Data bus on board diagnostic interface
• Data link connector
• Diesel direct fuel injection (dfi) engine control module
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse 50a
• Fuse 5a
• Fuse panel b
• G607 (in plenum, by left front strut tower)
• Glow plug
• Hot at all times
• Red
• Starting/charging system
• T14a
• T16
• T20
• T26
• T40
• T94

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (3 of 4) for Volkswagen Jetta GLS 2005

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (3 of 4) for Volkswagen Jetta GLS 2005:

• Brake light switch/brake pedal switch
• Camshaft position sensor
• Coolant fan control module
• Electronic power control warning lamp
• Engine coolant level/ temperature warning lamp
• Engine coolant temperatire gauge
• Engine coolant temperature sensor (on radiator)
• Exhaust gas recirculation (egr) cooler switch-over valve
• Fuel pump 2 relay
• Fuel pump/ fuel level sender
• Fuse 10a
• Fuse 15a
• Fuse panel c
• G642 (left side of eng compt)
• G675 (right side of luggage compt)
• Hot at all times
• Instrument cluster
• Instrument cluster control module
• Intake air temperature sensor/charge air pressure sensor
• Malfunction ind lamp
• Nca
• Oil pressure switch
• Oil pressure warning lamp
• Red
• Speedometer
• T10q
• Tachometer
• Wastegate bypass regulator valve

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (4 of 4) for Volkswagen Jetta GLS 2005

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (4 of 4) for Volkswagen Jetta GLS 2005:

• Diesel direct fuel injection (dfi) engine control module
• Egr potentiometer/egr vacuum regulator solenoid valve
• Engine coolant temperature (ect) sensor
• Engine speed (rpm) sensor
• Fuel temperature sensor
• Fuse 10a
• Fuse 50a
• Fuse 5a
• Fuse panel a
• Fuse panel c
• Hot at all times
• Intake manifold runner position sensor
• Pump/injector valves
• Red
• T60
• Turbocharger (tc) vane position sensor

2.0L

2.0L, Engine Performance Wiring Diagram, Engine Code BBW (1 of 3) for Volkswagen Jetta GLS 2005

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BBW (1 of 3) for Volkswagen Jetta GLS 2005:

• (center of firewall) g608
• (not used)
• (pins 12-15 not used)
• (pins 17-20 not used)
• (pins 7-9 not used)
• 29a
• 37a
• A/c system
• Computer data lines system
• Cruise control system
• Evaporative emission canister purge regulator valve (next to engine coolant reservoir)
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 50a
• Fuse panel
• Fuse/ red bracket battery
• G42 (below left side of dash)
• Heated oxygen sensor (ho2s) (ahead of three- way catalytic converter)
• Hot at all times
• Hot in run or start
• Ignition switch
• Leak detection pump (in right rear wheelhouse)
• Lock
• Mass airflow (maf) sensor & intake air temperature (iat) sensor (in intake air duct)
• Motronic engine control module (at base of windshield, in center of plenum)
• Nca
• Oxygen sensor (o2s) (back of three- way catalytic converter)
• Red
• Relay panel
• Run
• Start
• Starting/ charging system
• Throttle position sensor/ accel pedal position sensor

2.0L, Engine Performance Wiring Diagram, Engine Code BBW (2 of 3) for Volkswagen Jetta GLS 2005

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BBW (2 of 3) for Volkswagen Jetta GLS 2005:

• (below left side of dash)
• (below left side of dash) g42
• (right side of firewall) g609
• 28a
• 34a
• Brake system vacuum pump (a/t)
• Brake vacuum pump fuse 15a
• Engine speed (rpm) sensor (on left side of engine block)
• Fuel pump (in fuel tank)
• Fuse 10a
• Fuse 15a
• Fuse 50a
• Fuse panel
• Fuse/ bracket battery
• G42
• Hot at all times
• Instument cluster
• Knock sensor 1 (on left front side of engine block)
• Knock sensor 2 (behind ignition coil)
• Malfunction indicator lamp
• Nca
• Positive crankcase ventilation (pvc) heating element (between cylinder head cover & intake air duct)
• Red
• Relay panel
• Secondary air injection pump motor (on left rear side of engine)
• Secondary air injection pump relay (in left side of engine compt)
• T32
• T32a

2.0L, Engine Performance Wiring Diagram, Engine Code BBW (3 of 3) for Volkswagen Jetta GLS 2005

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BBW (3 of 3) for Volkswagen Jetta GLS 2005:

• (on cylinder head) engine coolant temperature sensor
• (on lower left rear of engine) ignition coil
• 13a
• Brake- light switch (above brake pedal)
• Camshaft position sensor (behind camshaft sprocket)
• Clutch vacuum vent valve switch (above clutch pedal)
• Cruise control system
• Fuel injectors
• Fuse 10a
• Fuse 7.5a
• Fuse for valve camshaft adjustment 10a
• Fuse panel (behind left side of dash)
• G608 (center of firewall)
• Hot at all times
• Motronic engine control module (at base of windshield, in center of plenum)
• Nca
• Temperature sensor 1 for catalyst
• Throttle valve control module (on throttle body)
• To spark plug
• Valve 1 for camshaft adjustment

2.0L, Engine Performance Wiring Diagram, Engine Code BEV (1 of 3) for Volkswagen Jetta GLS 2005

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BEV (1 of 3) for Volkswagen Jetta GLS 2005:

• (left rear of engine compt) g608
• (not used)
• (pins 31, 32 not used)
• (pins 4,7-8,12-20,22 not used)
• A/c system
• All times
• Computer data lines system
• Cruise control system
• Evaporative emission canister purge regulator valve (next to engine coolant reservoir)
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 50a
• Fuse panel (behind left side of dash)
• G42 (below left side of dash)
• Heated oxygen sensor (ho2s) (ahead of three- way catalytic converter)
• Hot at
• Hot at all times
• Hot in run or start
• Ignition switch
• Leak detection pump (in right rear wheelwell)
• Lock
• Mass airflow (maf) sensor (in intake air duct)
• Motronic engine control module (at base of windshield, in center of plenum)
• Nca
• Oxygen sensor (o2s) (back of three- way catalytic converter)
• Red
• Red fuse/ bracket battery
• Relay panel
• Run
• Start
• Starting/ charging system
• Throttle position sensor/ accel pedal position sensor

2.0L, Engine Performance Wiring Diagram, Engine Code BEV (2 of 3) for Volkswagen Jetta GLS 2005

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BEV (2 of 3) for Volkswagen Jetta GLS 2005:

• (behind left side of dash)
• (below left side of dash)
• (right rear of engine compt) g609
• 28a
• 34a
• Engine speed (rpm) sensor (on left side of engine block)
• Fuel pump (in fuel tank)
• Fuse 10a
• Fuse 15a
• Fuse 50a
• Fuse panel
• Fuse/ bracket battery
• G42
• Hot at all times
• Instument cluster
• Knock sensor 1 (on left front side of engine block)
• Knock sensor 2 (behind ignition coil)
• Malfunction indicator lamp
• Nca
• Positive crankcase ventilation (pcv) heating element (if equipped) (between cylinder head cover & intake air duct)
• Red
• Secondary air injection pump motor (on left rear side of engine)
• Secondary air injection pump relay (in left side of engine compt)
• T32
• T32a

2.0L, Engine Performance Wiring Diagram, Engine Code BEV (3 of 3) for Volkswagen Jetta GLS 2005

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BEV (3 of 3) for Volkswagen Jetta GLS 2005:

• (a/t) brake system vacuum pump
• (on cylinder head) engine coolant temperature sensor
• (on lower left rear of engine) ignition coil
• 13a
• Brake vacuum pump fuse 20a
• Brake- light switch (above brake pedal)
• Camshaft position sensor (behind camshaft sprocket)
• Clutch pedal position switch (m/t) (above clutch pedal)
• Cruise control system
• Fuel injectors
• Fuse 10a
• Fuse 7.5a
• Fuse panel (behind left side of dash)
• G49 (on steering column)
• G608 (left rear of eng compt)
• Hot at all times
• Motronic engine control module (at base of windshield, in center of plenum)
• Nca
• Red
• Throttle valve control module (on throttle body)
• To spark plug

2.5L

2.5L, Engine Performance Wiring Diagram, Engine Code BGP (1 of 5) for Volkswagen Jetta GLS 2005

List of elements for 2.5L, Engine Performance Wiring Diagram, Engine Code BGP (1 of 5) for Volkswagen Jetta GLS 2005:

• Clutch position sensor (m/t)
• Engine coolant temperature sensor (radiator) (lower left of radiator)
• Fuse 10a
• Fuse 15a
• Fuse 25a
• Fuse 50a
• Fuse 5a
• Fuse panel b
• G43 (behind right kick panel)
• G607 (in plenum, by left front strut tower)
• G655 (below left headlight assembly)
• Hot at all times
• Leak detection pump (right rear wheelwell, near fuel filler door)
• Motronic engine control module (base of windshield, center of plenum)
• Secondary air injection (air) pump motor (lower left side of engine)
• Secondary air injection (air) pump relay
• Starting/charging system
• Steering column electronic systems control module
• T20d
• T26
• T31
• T40

2.5L, Engine Performance Wiring Diagram, Engine Code BGP (2 of 5) for Volkswagen Jetta GLS 2005

List of elements for 2.5L, Engine Performance Wiring Diagram, Engine Code BGP (2 of 5) for Volkswagen Jetta GLS 2005:

• (behind left side of dash) vehicle electrical system control module
• Battery fuse panel
• Coolant fan control module
• Fuse 10a
• Fuse 20a
• Fuse 40a
• Fuse 5a
• Fuse 80a
• Fuse panel b
• G642 (left side of eng compt)
• G655 (below left headlight assembly)
• Hot at all times
• Intake air temperature (iat) sensor/ mass air flow (maf) sensor (in intake air duct)
• Oxygen sensor behind three way catalytic converter (downstream of catalytic converter)
• Red
• Starting/ charging system
• T14a
• T26
• T40

2.5L, Engine Performance Wiring Diagram, Engine Code BGP (3 of 5) for Volkswagen Jetta GLS 2005

List of elements for 2.5L, Engine Performance Wiring Diagram, Engine Code BGP (3 of 5) for Volkswagen Jetta GLS 2005:

• Computer data lines system
• Data bus on board diagnostic interface (above accelerator pedal)
• Data link connector
• Electronic power control warning lamp
• Engine coolant level/ temperature warning lamp
• Engine coolant temperatire gauge
• Fuel primer relay
• Fuse 10a
• Fuse 15a
• Fuse panel c
• G642 (left side of engine compt)
• G675 (right side of luggage compt)
• Heated oxygen sensor (at exhaust manifold junction)
• Hot at all times
• Instrument cluster
• Instrument cluster control module
• Malfunction ind lamp
• Nca
• Oil pressure switch (on oil pump housing)
• Oil pressure warning lamp
• Secondary air injection (air) solenoid valve (left of exhaust manifold)
• Speedometer
• T10q
• T16
• T20
• Tachometer
• Transfer fuel pump/ fuel level sensor

2.5L, Engine Performance Wiring Diagram, Engine Code BGP (4 of 5) for Volkswagen Jetta GLS 2005

List of elements for 2.5L, Engine Performance Wiring Diagram, Engine Code BGP (4 of 5) for Volkswagen Jetta GLS 2005:

• (rear of cyl head) camshaft adjustment valve 1
• (top front of intake manifold) evaporative emission (evap) canister purge regulator valve
• Accelerator pedal position sensor 2/throttle position sensor
• Brake light switch/ brake pedal switch
• Camshaft position sensor (left side of eng)
• Engine coolant temperature sensor (rear of left cyl head)
• Engine speed (rpm) sensor (left rear of engine)
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse panel b
• Hot at all times
• Knock sensor (ks) 1 (lower right side of eng, below exhaust manifold)
• Knock sensor (ks) 2 (lower right side of eng, below exhaust manifold)
• Manifold absolute pressure sensor (rear of intake manifold)
• Red
• T26
• T40
• Throttle valve control module (on throttle body)

2.5L, Engine Performance Wiring Diagram, Engine Code BGP (5 of 5) for Volkswagen Jetta GLS 2005

List of elements for 2.5L, Engine Performance Wiring Diagram, Engine Code BGP (5 of 5) for Volkswagen Jetta GLS 2005:

• (base of windshield, center of plenum) motronic engine control module
• Cylinder 1 fuel injector
• Cylinder 2 fuel injector
• Cylinder 3 fuel injector
• Cylinder 4 fuel injector
• Cylinder 5 fuel injector
• G15 (top of cyl head)
• G642 (left side of engine compt)
• 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
• To spark plug

2.5L, Engine Performance Wiring Diagram, Engine Code BGQ (1 of 5) for Volkswagen Jetta GLS 2005

List of elements for 2.5L, Engine Performance Wiring Diagram, Engine Code BGQ (1 of 5) for Volkswagen Jetta GLS 2005:

• Clutch position sensor (m/t)
• Engine coolant temperature sensor (radiator) (lower left of radiator)
• Fuse 10a
• Fuse 15a
• Fuse 25a
• Fuse 50a
• Fuse 5a
• Fuse panel b
• G43 (behind right kick panel)
• G607 (in plenum, by left front strut tower)
• G655 (below left headlight assembly)
• Hot at all times
• Leak detection pump (right rear wheelwell, near fuel filler door)
• Motronic engine control module (base of windshield, center of plenum)
• Secondary air injection (air) pump motor (lower left side of engine)
• Secondary air injection (air) pump relay
• Starting/charging system
• Steering column electronic systems control module
• T20d
• T26
• T31
• T40

2.5L, Engine Performance Wiring Diagram, Engine Code BGQ (2 of 5) for Volkswagen Jetta GLS 2005

List of elements for 2.5L, Engine Performance Wiring Diagram, Engine Code BGQ (2 of 5) for Volkswagen Jetta GLS 2005:

• (behind left side of dash) vehicle electrical system control module
• Battery fuse panel
• Coolant fan control module
• Fuse 10a
• Fuse 20a
• Fuse 40a
• Fuse 5a
• Fuse 80a
• Fuse panel b
• G642 (left side of eng compt)
• G655 (below left headlight assembly)
• Hot at all times
• Intake air temperature (iat) sensor/ mass air flow (maf) sensor (in intake air duct)
• Oxygen sensor behind three way catalytic converter (downstream of catalytic converter)
• Oxygen sensor center three way catalytic converter bank 1
• Red
• Starting/ charging system
• T14a
• T26
• T40

2.5L, Engine Performance Wiring Diagram, Engine Code BGQ (3 of 5) for Volkswagen Jetta GLS 2005

List of elements for 2.5L, Engine Performance Wiring Diagram, Engine Code BGQ (3 of 5) for Volkswagen Jetta GLS 2005:

• Computer data lines system
• Data bus on board diagnostic interface (above accelerator pedal)
• Data link connector
• Electronic power control warning lamp
• Engine coolant level/ temperature warning lamp
• Engine coolant temperatire gauge
• Fuel primer relay
• Fuse 10a
• Fuse 15a
• Fuse panel c
• G642 (left side of engine compt)
• G675 (right side of luggage compt)
• Heated oxygen sensor (at exhaust manifold junction)
• Hot at all times
• Instrument cluster
• Instrument cluster control module
• Malfunction ind lamp
• Nca
• Oil pressure switch (on oil pump housing)
• Oil pressure warning lamp
• Secondary air injection (air) solenoid valve (left of exhaust manifold)
• Speedometer
• T10q
• T16
• T20
• Tachometer
• Transfer fuel pump/ fuel level sensor

2.5L, Engine Performance Wiring Diagram, Engine Code BGQ (4 of 5) for Volkswagen Jetta GLS 2005

List of elements for 2.5L, Engine Performance Wiring Diagram, Engine Code BGQ (4 of 5) for Volkswagen Jetta GLS 2005:

• (rear of cyl head) camshaft adjustment valve 1
• (top front of intake manifold) evaporative emission (evap) canister purge regulator valve
• Accelerator pedal position sensor 2/throttle position sensor
• Brake light switch/ brake pedal switch
• Camshaft position sensor (left side of eng)
• Engine coolant temperature sensor (rear of left cyl head)
• Engine speed (rpm) sensor (left rear of engine)
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse panel b
• Hot at all times
• Knock sensor (ks) 1 (lower right side of eng, below exhaust manifold)
• Knock sensor (ks) 2 (lower right side of eng, below exhaust manifold)
• Manifold absolute pressure sensor (rear of intake manifold)
• Red
• T26
• T40
• Throttle valve control module (on throttle body)

2.5L, Engine Performance Wiring Diagram, Engine Code BGQ (5 of 5) for Volkswagen Jetta GLS 2005

List of elements for 2.5L, Engine Performance Wiring Diagram, Engine Code BGQ (5 of 5) for Volkswagen Jetta GLS 2005:

• (base of windshield, center of plenum) motronic engine control module
• Cylinder 1 fuel injector
• Cylinder 2 fuel injector
• Cylinder 3 fuel injector
• Cylinder 4 fuel injector
• Cylinder 5 fuel injector
• G15 (top of cyl head)
• G642 (left side of engine compt)
• 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
• To spark plug