ENGINE PERFORMANCE – Volkswagen Jetta GLS 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.8L TURBO

1.8L Turbo, Engine Performance Wiring Diagram (1 of 3) for Volkswagen Jetta GLS 2004

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (1 of 3) for Volkswagen Jetta GLS 2004:

• (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 2004

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (2 of 3) for Volkswagen Jetta GLS 2004:

• (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 2004

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (3 of 3) for Volkswagen Jetta GLS 2004:

• 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 3) for Volkswagen Jetta GLS 2004

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (1 of 3) for Volkswagen Jetta GLS 2004:

• (not used)
• (w/a/t)
• (w/m/t)
• 32a
• 34a
• 43a
• A/c system
• Cooling fans system
• Cruise control system
• Diesel direct fuel injection (dfi) engine control module (ecm) (at base of windshield, in center of plenum)
• Egr vacuum regulator solenoid valve (on center of firewall)
• Fuse 10a
• Fuse 110a
• Fuse 30a
• Fuse bracket
• Fuse panel
• G608 (center of firewall)
• Generator
• Hot at all times
• Hot in run or start
• Manifold absolute pressure (map) sensor & intake air temperature (iat) sensor (in air intake duct)
• Mass airflow (maf) sensor (right side of air cleaner housing)
• Red
• Relay panel
• Throttle position (tp) sensor/ closed throttle position (ctp) switch/kickdown switch (above accelerator pedal)
• Transmissions system

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (2 of 3) for Volkswagen Jetta GLS 2004

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (2 of 3) for Volkswagen Jetta GLS 2004:

• 13a
• Brakelight switch/ brake vacuum vent valve switch (above brake pedal)
• Clutch vacuum vent valve switch (w/m/t) (above clutch pedal)
• Coolant glow plugs (m/t only)
• Coolant preheating relay (high heat output) (w/m/t) (left rear corner of engine compartment)
• Coolant preheating relay (low heat output) (w/m/t) (left rear corner of engine compartment)
• Engine glow plugs
• Fuse 10a
• Fuse 50a
• Fuse bracket
• Fuse panel
• G608 (center of firewall)
• Glow plug trigger control module
• Hot at all times
• Intake manifold flap changeover valve (on intake manifold)
• Positive crankcase ventilation (pcv) heating element (between cylinder head cover & intake air duct, in pcv hose)
• Red

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (3 of 3) for Volkswagen Jetta GLS 2004

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Early Production (3 of 3) for Volkswagen Jetta GLS 2004:

• (not used)
• (under left side of dash) data link connector (dlc)
• (w/m/t)
• 10a
• Abs system
• Cold start injector (at left side of engine, on bottom of diesel direct fuel injection pump)
• Data bus onboard diagnostic interface
• Diesel direct fuel injection (dfi) engine control module (ecm) (at base of windshield, in center of plenum)
• Engine coolant temperature (ect) sensor (on cylinder head)
• Engine speed (rpm) sensor (left side of engine block)
• Fuel cut- off valve (at left side of engine, on top of diesel direct fuel injection pump)
• Fuel temperature sensor/modulating piston displacement sensor/quantity adjuster (at left side of engine, on front of diesel dfi pump)
• Fuse 5a
• Fuse panel
• Glow plug ind
• Hot in run
• Instrument cluster
• Malfunction indicator lamp (mil)
• Nca
• Needle lift sensor (left side of cylinder head)
• T32
• T32a
• Transmissions system (w/a/t)
• Wastegate bypass regulator valve (left rear side of engine compt)

1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (1 of 4) for Volkswagen Jetta GLS 2004

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (1 of 4) for Volkswagen Jetta GLS 2004:

• (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, Late Production (2 of 4) for Volkswagen Jetta GLS 2004

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (2 of 4) for Volkswagen Jetta GLS 2004:

• 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, Late Production (3 of 4) for Volkswagen Jetta GLS 2004

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (3 of 4) for Volkswagen Jetta GLS 2004:

• 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, Late Production (4 of 4) for Volkswagen Jetta GLS 2004

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagram, Late Production (4 of 4) for Volkswagen Jetta GLS 2004:

• (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

2.0L

2.0L, Engine Performance Wiring Diagram, Engine Code AVH, AZG (1 of 3) for Volkswagen Jetta GLS 2004

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code AVH, AZG (1 of 3) for Volkswagen Jetta GLS 2004:

• (center of firewall) g608
• (early prod 2003)
• (not used)
• (pins 10-20 not used)
• (pins 22-24 not used)
• (pins 6-8 not used)
• 20a
• A/c system
• Computer data lines system
• Cruise control system
• Early prod 2003 a
• Early production
• Evaporative emission canister purge regulator valve (next to engine coolant reservoir)
• Fuel pump relay
• Fuse 15a
• Fuse 50a
• Fuse panel
• Fuse/ red bracket battery
• G42 (beside steering column)
• Heated oxygen sensor (ho2s) (ahead of three- way catalytic converter)
• Hot at all times
• Hot in run or start
• Ignition switch
• Late prod 2003, b
• 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 AVH, AZG (2 of 3) for Volkswagen Jetta GLS 2004

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code AVH, AZG (2 of 3) for Volkswagen Jetta GLS 2004:

• (beside steering column)
• (right side of firewall) g609
• 28a
• 34a
• Early pro- duction
• 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
• Instrument 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
• 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 AVH, AZG (3 of 3) for Volkswagen Jetta GLS 2004

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code AVH, AZG (3 of 3) for Volkswagen Jetta GLS 2004:

• (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 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
• Not used
• Throttle valve control module (on throttle body)
• To spark plug

2.0L, Engine Performance Wiring Diagram, Engine Code BBW (1 of 3) for Volkswagen Jetta GLS 2004

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BBW (1 of 3) for Volkswagen Jetta GLS 2004:

• (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 2004

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BBW (2 of 3) for Volkswagen Jetta GLS 2004:

• (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 2004

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BBW (3 of 3) for Volkswagen Jetta GLS 2004:

• (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 2004

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BEV (1 of 3) for Volkswagen Jetta GLS 2004:

• (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 2004

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BEV (2 of 3) for Volkswagen Jetta GLS 2004:

• (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 2004

List of elements for 2.0L, Engine Performance Wiring Diagram, Engine Code BEV (3 of 3) for Volkswagen Jetta GLS 2004:

• (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

2.8L

2.8L, Engine Performance Wiring Diagram (1 of 4) for Volkswagen Jetta GLS 2004

List of elements for 2.8L, Engine Performance Wiring Diagram (1 of 4) for Volkswagen Jetta GLS 2004:

• (not used)
• (pins 31-32 not used)
• (pins 6-20 not used)
• 2004, 2005
• 29a
• 31a
• 37a
• A early prod 2003
• A/c system
• A/t
• Abs system, transmission system, instrument cluster system
• Accelerator pedal position sensors 1 & 2 (in pedal assembly)
• Cruise control system
• Evaporative emission (evap) canister purge regulator valve (next to eng coolant reservoir)
• Fuel pump relay
• Fuse 15a
• Fuse 15a 30a
• Fuse 20a
• Fuse 50a
• Fuse bracket
• Fuse panel
• G608 (center of firewall)
• Heated oxygen sensor (ho2s) (ahead of three way catalytic converter)
• Hot at all times
• Ignition switch
• Late prod 2003, b
• Leak detection pump (ldp) (inside right rear wheelhousing)
• M/t
• Mass airflow (maf) sensor & intake air temperature (iat) sensor (between air cleaner housing & throttle body)
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Nca
• Off
• Oxygen sensor (o2s) (back of three-way catalytic converter)
• Red
• Relay panel
• Run
• S3/1
• S3/3
• S3/5
• S3/6
• Start
• Starting/ charging system
• Transmission system

2.8L, Engine Performance Wiring Diagram (2 of 4) for Volkswagen Jetta GLS 2004

List of elements for 2.8L, Engine Performance Wiring Diagram (2 of 4) for Volkswagen Jetta GLS 2004:

• (a/t)
• (beside steering column) g42
• (mil)
• 28a
• 34a
• 43a
• A/t
• Air bag control module
• Brake booster control module (brake system vacuum pump) (a/t)
• Brake system vacuum pump
• Brake vacuum pump fuse 15a
• Data link connector
• Early prod 2003
• Fuel pump (in fuel tank)
• Fuse 10a
• Fuse panel
• G49 (top right of steering column)
• G609 (right side of firewall)
• Instrument cluster
• Late prod 2003, 2004, 2005
• M/t
• Malfunction indicator lamp
• Red
• Relay panel
• Secondary air injection (air) pump motor (left side of engine, near generator)
• Secondary air injection (air) pump relay (left side of eng compt, behind air cleaner housing)
• Secondary air injection (air) solenoid valve (left side of eng, behind air cleaner housing)
• T32/21
• T32/25
• T32/3
• T32a/5

2.8L, Engine Performance Wiring Diagram (3 of 4) for Volkswagen Jetta GLS 2004

List of elements for 2.8L, Engine Performance Wiring Diagram (3 of 4) for Volkswagen Jetta GLS 2004:

• (between cylinder head cover & intake air duct, in pcv hose) positive crankcase ventilation (pcv) heating element
• (center of firewall) g608
• (on rear of cylinder head, behind ignition coil) camshaft position (cmp) sensor
• (on rear of cylinder head, behind ignition coil) camshaft position (cmp) sensor 2
• 13a
• Brake- light switch (above brake pedal)
• Clutch vacuum vent valve switch (above clutch pedal)
• Engine speed (rpm) sensor (lower left rear rear eng, near transmission flange)
• Fuse 10a
• Fuse 7.5a
• Fuse panel
• Hot at all times
• Knock sensor (ks) 1 (on lower right side of eng, below exhaust manifold)
• Knock sensor (ks) 2 (on lower left side of engine, above oil cooler)
• Nca
• Red
• Throttle valve control module (on throttle body)

2.8L, Engine Performance Wiring Diagram (4 of 4) for Volkswagen Jetta GLS 2004

List of elements for 2.8L, Engine Performance Wiring Diagram (4 of 4) for Volkswagen Jetta GLS 2004:

• (left rear of cylinder head, in coolant flange) engine coolant temperature (ect) sensor
• (left side of eng, above oil filter housing)
• Camshaft adjustment valve
• Camshaft adjustment valve (exhaust)
• Cruise control system
• Fuel injectors
• G18 (on engine block)
• G608 (center of firewall)
• Ignition coils (with power output stage)
• Intake manifold change-over valve
• Motronic engine control module (ecm) (at base of windshield, in center of plenum)
• Nca
• Plug
• Red