Diagram sections — 28 (103 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for Volkswagen Jetta GLS 2004 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Volkswagen Jetta GLS 2004: 30 (at base of windshield, in center of plenum) motronic engine control module (ecm) (not used) Air flow flap motor & position sensor Central flap motor & position sensor Climatronic control module Data link connector (under left side of dash) Footwell/defroster flap Fresh air blower Fresh air blower control module Fuse 25a Fuse 7.5a Fuse panel (behind left side of dash) G42 (behind right side of dash) G43 (behind right kick panel) Hot in run & start Hot w/ load reduction relay energized Indicator unit control module Interior lights system Motor & position sensor Sunlight photo sensor T12 T121 T16a T16b T20 T32 T32a T68 Temp regulator flap motor & position sensor Transmission control module (tcm) (at base of windshield, in right side of plenum) (with a/t only) Automatic A/C Wiring Diagram (2 of 2) for Volkswagen Jetta GLS 2004 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Volkswagen Jetta GLS 2004: 23 (not used) A/c clutch After-run coolant pump Coolant fan control module (at left front side of engine compartment) Coolant fan control thermal switch Floor outlet temperature sender Fresh air intake duct temperature sensor Fuse 10a Fuse 30a Fuse 40a Fuse panel (behind left side of dash) Fuse/bracket battery (behind battery) G12 (left front of engine compartment) G12 (left front of engine compt) G608 (on left rear of engine compt) High pressure sensor Hot at all times Left coolant fan Outside air temperature sensor Red Right coolant fan T14 T4a
1.8L TURBO 1.8L Turbo, Manual A/C Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 1.8L Turbo, Manual A/C Wiring Diagram for Volkswagen Jetta GLS 2004: 44 (1.9l) (2.8l) A/c clutch A/c switch After-run coolant pump (2.8l) Ambient temperature switch (on left side of plenum, at base of windshield) Coolant fan control (fc) switch (on bottom left rear of radiator) Coolant fan control module (at left front side of engine compartment) Diesel Diesel direct fuel injection (dfi) engine control module (ecm) (at base of windshield in center of plenum) Fresh air blower (right side of dash, on hvac housing) Fresh air blower series resistance with fuse (on fresh air blower) Fresh air blower switch Fresh/ recirc switch Fresh/recirculating air door servo motor (on right corner of hvac housing) Fuse 16 10a Fuse 25 25a Fuse 3 40a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/bracket battery (behind battery) G12 (left front of engine compt) G45 (center of dash) G608 (left rear of engine compt) Gasoline Heater-a/c control panel High pressure sensor Hot at all times Hot in run Hot w/ load reduction relay energized Instrument cluster Interior lights system Left coolant fan Motronic engine control module (ecm) (at base of windshield, in center of plenum) Red Right coolant fan T14 T32a T4a T68 T6d T8b Transmission control module (tcm) (at base of windshield, in right side of plenum)
1.9L TURBO DIESEL 1.9L Turbo Diesel, Manual A/C Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 1.9L Turbo Diesel, Manual A/C Wiring Diagram for Volkswagen Jetta GLS 2004: 44 (1.9l) (2.8l) A/c clutch A/c switch After-run coolant pump (2.8l) Ambient temperature switch (on left side of plenum, at base of windshield) Coolant fan control (fc) switch (on bottom left rear of radiator) Coolant fan control module (at left front side of engine compartment) Diesel Diesel direct fuel injection (dfi) engine control module (ecm) (at base of windshield in center of plenum) Fresh air blower (right side of dash, on hvac housing) Fresh air blower series resistance with fuse (on fresh air blower) Fresh air blower switch Fresh/ recirc switch Fresh/recirculating air door servo motor (on right corner of hvac housing) Fuse 16 10a Fuse 25 25a Fuse 3 40a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/bracket battery (behind battery) G12 (left front of engine compt) G45 (center of dash) G608 (left rear of engine compt) Gasoline Heater-a/c control panel High pressure sensor Hot at all times Hot in run Hot w/ load reduction relay energized Instrument cluster Interior lights system Left coolant fan Motronic engine control module (ecm) (at base of windshield, in center of plenum) Red Right coolant fan T14 T32a T4a T68 T6d T8b Transmission control module (tcm) (at base of windshield, in right side of plenum)
2.0L 2.0L, Manual A/C Wiring Diagram, Engine Code BBW for Volkswagen Jetta GLS 2004 List of elements for 2.0L, Manual A/C Wiring Diagram, Engine Code BBW for Volkswagen Jetta GLS 2004: 42 (left front of engine compt) A/c clutch A/c switch Ambient temperature switch (on left side of plenum, at base of windshield) Coolant fan control module (at left front of engine compartment) Coolant fan control thermal switch (bottom left rear of radiator) Engine controls system Fresh air blower (behind right side of dash, on hvac housing) Fresh air blower series resistance with fuse (behind right side of dash, on fresh air blower) Fresh air blower switch Fresh/ recirc switch Fresh/recirculating air door servo motor (on right corner of hvac housing) Fuse 16 10a Fuse 25 25a Fuse 3 40a Fuse 37 20a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/bracket battery (behind battery) G12 G12 (left front of engine compt) G45 (behind left side of dash) G45 (behind left side of dash) Heater-a/c control panel High pressure sensor Hot at all times Hot in run or start Hot w/ load reduction relay energized Instrument cluster Interior lights system Left coolant fan Motronic engine control module (ecm) (at base of windshield, in center of plenum) Red Right coolant fan T14 T32a T4a T68 T6d T8b Transmission control module (tcm) (at base of windshield, in right side of plenum) 2.0L, Manual A/C Wiring Diagram, Except Engine Code BBW for Volkswagen Jetta GLS 2004 List of elements for 2.0L, Manual A/C Wiring Diagram, Except Engine Code BBW for Volkswagen Jetta GLS 2004: 44 (1.9l) (2.8l) A/c clutch A/c switch After-run coolant pump (2.8l) Ambient temperature switch (on left side of plenum, at base of windshield) Coolant fan control (fc) switch (on bottom left rear of radiator) Coolant fan control module (at left front side of engine compartment) Diesel Diesel direct fuel injection (dfi) engine control module (ecm) (at base of windshield in center of plenum) Fresh air blower (right side of dash, on hvac housing) Fresh air blower series resistance with fuse (on fresh air blower) Fresh air blower switch Fresh/ recirc switch Fresh/recirculating air door servo motor (on right corner of hvac housing) Fuse 16 10a Fuse 25 25a Fuse 3 40a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/bracket battery (behind battery) G12 (left front of engine compt) G45 (center of dash) G608 (left rear of engine compt) Gasoline Heater-a/c control panel High pressure sensor Hot at all times Hot in run Hot w/ load reduction relay energized Instrument cluster Interior lights system Left coolant fan Motronic engine control module (ecm) (at base of windshield, in center of plenum) Red Right coolant fan T14 T32a T4a T68 T6d T8b Transmission control module (tcm) (at base of windshield, in right side of plenum)
2.8L 2.8L, Manual A/C Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 2.8L, Manual A/C Wiring Diagram for Volkswagen Jetta GLS 2004: 44 (1.9l) (2.8l) A/c clutch A/c switch After-run coolant pump (2.8l) Ambient temperature switch (on left side of plenum, at base of windshield) Coolant fan control (fc) switch (on bottom left rear of radiator) Coolant fan control module (at left front side of engine compartment) Diesel Diesel direct fuel injection (dfi) engine control module (ecm) (at base of windshield in center of plenum) Fresh air blower (right side of dash, on hvac housing) Fresh air blower series resistance with fuse (on fresh air blower) Fresh air blower switch Fresh/ recirc switch Fresh/recirculating air door servo motor (on right corner of hvac housing) Fuse 16 10a Fuse 25 25a Fuse 3 40a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/bracket battery (behind battery) G12 (left front of engine compt) G45 (center of dash) G608 (left rear of engine compt) Gasoline Heater-a/c control panel High pressure sensor Hot at all times Hot in run Hot w/ load reduction relay energized Instrument cluster Interior lights system Left coolant fan Motronic engine control module (ecm) (at base of windshield, in center of plenum) Red Right coolant fan T14 T32a T4a T68 T6d T8b Transmission control module (tcm) (at base of windshield, in right side of plenum)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram, with Electronic Stability Program for Volkswagen Jetta GLS 2004 List of elements for Anti-lock Brakes Wiring Diagram, with Electronic Stability Program for Volkswagen Jetta GLS 2004: 60 (at left side of engine compt) abs control module (below left side of dash) g42 (information not avail) 13a 2004 late prod, 2005 2004 early prod 4-motion 4-speed 5-speed Abs hydraulic pump Abs warning ind Asr/esp control lamp Brake booster sender 1 Brake fluid level warning switch (integral with brake fluid reservoir cap) Brake pad wear ind lamp Brake system warning ind Brake- light switch (above brake pedal) Compt) g12 Computer data lines system Data link connector (under left side of dash) Diesel Diesel direct fuel injection engine control module (at base of windshield in center of plenum) Esp/anti- slip control switch Fuse 10a Fuse 30a Fuse 5a Fuse bracket/ battery (behind battery) Fuse panel (behind left side of 9a dash) Fwd G42 (below left side of dash) G671 (on left front long member) Gasoline Hot at all times Hot in on or start Instrument cluster Interior lights system Left front abs inlet valve Left front abs outlet valve Left front abs wheel speed sensor (on left front hub/spindle assembly) Left front brake pad wear sensor Left rear abs inlet valve Left rear abs outlet valve Left rear abs wheel speed sensor (on left rear hub/spindle assembly) Motronic engine control module (at base of windshield in center of plenum) Parking brake warning light switch Red Right front abs inlet valve Right front abs outlet valve Right front abs wheel speed sensor (on right front hub/spindle assembly) Right rear abs inlet valve Right rear abs outlet valve Right rear abs wheel speed sensor (on right rear hub/spindle assembly) Steering angle sensor T16 T32 T32a T47a Traction control pilot valve 1 Traction control pilot valve 2 Transmission control module (at base of windshield in right side of plenum) Transverse acceleration/ rotation rate/ longitudinal acceleration sensor (4-motion) Anti-lock Brakes Wiring Diagram, without Electronic Stability Program for Volkswagen Jetta GLS 2004 List of elements for Anti-lock Brakes Wiring Diagram, without Electronic Stability Program for Volkswagen Jetta GLS 2004: 57 (at left side of engine compt) abs control module (below left side of dash) g42 (information not available) (on left front of engine compt) 13a 2004 late prod, 2005 2004 early prod 4-speed 5-speed Abs hydraulic pump Abs warning ind Brake fluid level warning switch (integral with brake fluid reservoir cap) Brake pad wear ind lamp Brake system warning ind Brake- light switch (above brake pedal) Computer data lines system Data link connector (under left side of dash) Diesel Diesel direct fuel injection engine control module (at base of windshield in center of plenum) Esp/anti- slip control switch (w/ esp/ anti-slip control) Esp/asc control lamp Fuse 10a Fuse 30a Fuse 5a Fuse bracket/ battery (behind battery) Fuse panel (behind left side of dash) G12 G65 (left side of engine compartment) Gasoline Hot at all times Ignition switch Instrument cluster Interior lights system Left front abs inlet valve Left front abs outlet valve Left front abs wheel speed sensor (on left front hub/spindle assemble) Left front brake pad wear sensor Left rear abs inlet valve Left rear abs outlet valve Left rear abs wheel speed sensor (on left rear hub/spindle assembly) Lock Motronic engine control module (at base of windshield in center of plenum) Parking brake warning light switch Red Right front abs inlet valve Right front abs outlet valve Right front abs wheel speed sensor (on right front hub/spindle assembly) Right rear abs inlet valve Right rear abs outlet valve Right rear abs wheel speed sensor (on right rear hub/spindle assemble) Start T16 T32 T32a T47a Traction control pilot valve 1 Traction control pilot valve 2 Transmission control module (at base of windshield in right side of plenum)
ANTI-THEFT Anti-theft Wiring Diagram, Sedan (1 of 2) for Volkswagen Jetta GLS 2004 List of elements for Anti-theft Wiring Diagram, Sedan (1 of 2) for Volkswagen Jetta GLS 2004: 39 (jetta) 14a 38a Alarm system anti- theft fuse Anti-theft indicator Central locking & anti-theft warning system antenna Central locking warning light (safe) Central locking/ anti- theft fuse Circuit breaker 30a Comfort system central control module (behind left side of dash) Computer data lines system Defogger or mirrors system Defoggers system Door locks system Driver's side central locking lock unit Driver's side door control module (in driver's door, integral with window motor) Driver's side interior lock switch Exterior lights system, instrument cluster system Fuse 10a Fuse 15a Fuse panel (behind left side of dash) G42 (below left side of dash) G44 (behind left kick panel) G50 (left front of luggage compt) Hot at all times Instrument cluster Instrument cluster system Interior lights system Nca Power tops system Power window circuit breaker (under left side of dash) T15 T23 T29 T32 Trunk lock alarm/ central locking switch Trunk, tailgate fuel doors system Trunk, tailgate, fuel doors system Trunk, tailgate, fuel doors system instrument cluster system Anti-theft Wiring Diagram, Sedan (2 of 2) for Volkswagen Jetta GLS 2004 List of elements for Anti-theft Wiring Diagram, Sedan (2 of 2) for Volkswagen Jetta GLS 2004: 22 Alarm horn Defogger system G12 (left front of eng compt) G43 (behind right kick panel) G608 (left rear of engine compt) G77 (base of left "b" pillar) G78 (base of right "b" pillar) Hood alarm switch Interior lights system Left rear central locking lock unit Left rear door control module (in left rear door, integral with window motor) Nca Passenger's side central locking lock unit Passenger's side door control module (in passenger's door, integral with window motor) Passenger's side interior lock switch Radio Right rear central locking lock unit Right rear door control module (in right rear door, integral with window motor) T16d T18a T18b T29a Anti-theft Wiring Diagram, Wagon (1 of 2) for Volkswagen Jetta GLS 2004 List of elements for Anti-theft Wiring Diagram, Wagon (1 of 2) for Volkswagen Jetta GLS 2004: 40 14a 38a Alarm horn Alarm system anti- theft fuse Anti-theft indicator Central locking & anti-theft warning system antenna Central locking warning light (safe) Central locking/ anti- theft fuse Circuit breaker 30a Comfort system central control module (behind left side of dash) Computer data lines system Defogger system Defogger systems Door ajar indicator Driver's side central locking lock unit Driver's side door control module (in driver's door, integral with window motor) Driver's side interior lock switch Exterior lights system, instrument cluster system Fuse 10a Fuse 15a Fuse panel (behind left side of dash) G42 (below left side of dash) G44 (behind left kick panel) G50 (left front of luggage compt) G608 (left rear of engine compt) Hood alarm switch Hot at all times Instrument cluster Interior lights system Nca Power tops system Power window circuit breaker (under left side of dash) Radio Rear lid unlock motor Remote/ fuel tank door switch T15 T16d T23 T29 T32 Anti-theft Wiring Diagram, Wagon (2 of 2) for Volkswagen Jetta GLS 2004 List of elements for Anti-theft Wiring Diagram, Wagon (2 of 2) for Volkswagen Jetta GLS 2004: 21 (behind left kick panel) g44 Defogger system Driver side rear lid remote unlock switch G43 (behind right kick panel) G77 (on base of left "b" pillar) G78 (on base off right "b" pillar) Interior lights system Left rear central locking lock unit Left rear door control module (in left rear door, integral with window motor) Passenger's side central locking lock unit Passenger's side door control module (in passenger's door, integral with window motor) Passenger's side interior lock switch Rear lid handle unlocking switch Rear lid remote lock key switch Right rear central locking lock unit Right rear door control module (in right rear door, integral with window motor) Switch off remote unlock rear lid key switch T18a T18b T29a Trunk lid release switch/ luggage compartment light switch Immobilizer Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Immobilizer Wiring Diagram for Volkswagen Jetta GLS 2004: 5 Anti theft immobilizer control module Anti theft immobilizer induction coil Control module Instrument cluster T32a
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Computer Data Lines Wiring Diagram for Volkswagen Jetta GLS 2004: 41 (below left side of dash) g42 1.8l, 2.0l, 2.8l, 3.2l 1.9l (early prod 2004) 1.9l (late prod 2004, 2005) 12a 4-speed 5-speed Abs control module (left side of engine compt) Air bag control module (beneath center of dash, on central tunnel) All-wheel drive control module Climatronic control module Comfort system central control module (behind left side of dash) Data bus on board diagnostic interface Data link connector (under left side of dash) Diesel: diesel direct fuel injection (dfi) engine control module gasoline: motronic engine control module (ecm) (at base of windshield, in center of plenum) Driver door control module (in door) Fuse 7.5a Fuse panel (behind left side of dash) Hot at all times Hot in on or start Instrument cluster Left rear door control module (in door) Memory seat control module (under left side of driver's seat) Multi-function steering wheel control module Passenger door control module (in door) Radio Right rear door control module (in door) Steering angle sensor T12 T16d T18a T18b T23 T28 T29 T29a T32 T32a T42 Telematic control module Transmission control module (at base of windshield, in right side of plenum)
COOLING FAN Cooling Fan Wiring Diagram, Auto A/C for Volkswagen Jetta GLS 2004 List of elements for Cooling Fan Wiring Diagram, Auto A/C for Volkswagen Jetta GLS 2004: 30 (2.8l) A/c clutch After-run coolant pump Climatronic control module Coolant fan control module (at left front side of engine compartment) Coolant fan control thermal switch Fuse 16 10a Fuse 3 40a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/ bracket battery (behind battery) G12 (left front of engine compt) G608 (left rear of engine compt) High pressure sensor Hot at all times Hot in run & start Indicator unit control module Left coolant fan Motronic engine control module (base of windshield, in center of plenum) Not used Red Right coolant fan T12 T121 T14 T16a T16b T32a T4a
1.8L TURBO 1.8L Turbo, Cooling Fan Wiring Diagram, Manual A/C for Volkswagen Jetta GLS 2004 List of elements for 1.8L Turbo, Cooling Fan Wiring Diagram, Manual A/C for Volkswagen Jetta GLS 2004: 34 (1.9l) (2.8l) A/c clutch After-run coolant pump (2.8l) Ambient temperature switch (left side of plenum, at base of windshield) Coolant fan control module (at left front side of engine compartment) Coolant fan control thermal switch Diesel Diesel direct fuel injection (dfi) engine control module (ecm) (at base of windshield in center of plenum) Fuse 16 10a Fuse 3 40a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/ bracket battery (behind battery) G12 (left front of engine compt) G608 (left rear of engine compt) Gasoline Heater-a/c control panel High pressure sensor Hot at all times Hot in run & start Instrument cluster Late production 2004, 2005 early production 2004 Left coolant fan Motronic engine control module (ecm) (at base of windshield, in center of plenum) Red Right coolant fan T14 T32a T4a T68 T8b Transmission control module (at base of windshield, right side of plenum)
1.9L TURBO DIESEL 1.9L Turbo Diesel, Cooling Fan Wiring Diagram, Manual A/C for Volkswagen Jetta GLS 2004 List of elements for 1.9L Turbo Diesel, Cooling Fan Wiring Diagram, Manual A/C for Volkswagen Jetta GLS 2004: 34 (1.9l) (2.8l) A/c clutch After-run coolant pump (2.8l) Ambient temperature switch (left side of plenum, at base of windshield) Coolant fan control module (at left front side of engine compartment) Coolant fan control thermal switch Diesel Diesel direct fuel injection (dfi) engine control module (ecm) (at base of windshield in center of plenum) Fuse 16 10a Fuse 3 40a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/ bracket battery (behind battery) G12 (left front of engine compt) G608 (left rear of engine compt) Gasoline Heater-a/c control panel High pressure sensor Hot at all times Hot in run & start Instrument cluster Late production 2004, 2005 early production 2004 Left coolant fan Motronic engine control module (ecm) (at base of windshield, in center of plenum) Red Right coolant fan T14 T32a T4a T68 T8b Transmission control module (at base of windshield, right side of plenum)
2.0L 2.0L, Cooling Fan Wiring Diagram, Engine Code BBW with Manual A/C for Volkswagen Jetta GLS 2004 List of elements for 2.0L, Cooling Fan Wiring Diagram, Engine Code BBW with Manual A/C for Volkswagen Jetta GLS 2004: 28 A/c clutch Ambient temperature switch (left side of plenum, at base of windshield) Coolant fan control module (at left front side of engine compartment) Coolant fan control thermal switch Engine controls system Fuse 16 10a Fuse 3 40a Fuse 37 20a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/ bracket battery (behind battery) G12 (left front of engine compt) Heater-a/c control panel High pressure sensor Hot at all times Hot in run & start Instrument cluster Left coolant fan Motronic engine control module (ecm) (at base of windshield, in center of plenum) Red Right coolant fan T14 T32a T4a T68 T8b Transmission control module (at base of windshield, right side of plenum) 2.0L, Cooling Fan Wiring Diagram, Except Engine Code BBW with Manual A/C for Volkswagen Jetta GLS 2004 List of elements for 2.0L, Cooling Fan Wiring Diagram, Except Engine Code BBW with Manual A/C for Volkswagen Jetta GLS 2004: 34 (1.9l) (2.8l) A/c clutch After-run coolant pump (2.8l) Ambient temperature switch (left side of plenum, at base of windshield) Coolant fan control module (at left front side of engine compartment) Coolant fan control thermal switch Diesel Diesel direct fuel injection (dfi) engine control module (ecm) (at base of windshield in center of plenum) Fuse 16 10a Fuse 3 40a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/ bracket battery (behind battery) G12 (left front of engine compt) G608 (left rear of engine compt) Gasoline Heater-a/c control panel High pressure sensor Hot at all times Hot in run & start Instrument cluster Late production 2004, 2005 early production 2004 Left coolant fan Motronic engine control module (ecm) (at base of windshield, in center of plenum) Red Right coolant fan T14 T32a T4a T68 T8b Transmission control module (at base of windshield, right side of plenum)
2.8L 2.8L, Cooling Fan Wiring Diagram, Manual A/C for Volkswagen Jetta GLS 2004 List of elements for 2.8L, Cooling Fan Wiring Diagram, Manual A/C for Volkswagen Jetta GLS 2004: 34 (1.9l) (2.8l) A/c clutch After-run coolant pump (2.8l) Ambient temperature switch (left side of plenum, at base of windshield) Coolant fan control module (at left front side of engine compartment) Coolant fan control thermal switch Diesel Diesel direct fuel injection (dfi) engine control module (ecm) (at base of windshield in center of plenum) Fuse 16 10a Fuse 3 40a Fuse 5 7.5a Fuse 8 30a Fuse panel (behind left side of dash) Fuse/ bracket battery (behind battery) G12 (left front of engine compt) G608 (left rear of engine compt) Gasoline Heater-a/c control panel High pressure sensor Hot at all times Hot in run & start Instrument cluster Late production 2004, 2005 early production 2004 Left coolant fan Motronic engine control module (ecm) (at base of windshield, in center of plenum) Red Right coolant fan T14 T32a T4a T68 T8b Transmission control module (at base of windshield, right side of plenum)
CRUISE CONTROL
1.8L TURBO 1.8L Turbo, Cruise Control Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 1.8L Turbo, Cruise Control Wiring Diagram for Volkswagen Jetta GLS 2004: 27 (below left side of dash) (not used) 13a Brakelight switch (above brake pedal) Clutch vacuum vent valve switch (m/t) (above clutch pedal) Computer data lines system Cruise control switch Data link connector (under left side of dash) Fuse 10a Fuse 7.5a Fuse panel (behind left side of dash) G42 Horns system Hot at all times Hot in on or start Interior lights system Motronic engine control module (ecm) (at base of windshield, in center of plenum) Multifunction steering wheel control module Nca Red Sound system Thirteenfold auxiliary relay panel (under left side of dash) Throttle position sensor/accel pedal position sensor (2.0l) accelerator pedal position sensor (1.8l) Throttle throttle position sensor (2.8l & 3.2l) (on throttle body) Throttle valve control module (on throttle body) W/ steering wheel controls W/o steering wheel controls
1.9L TURBO DIESEL 1.9L Turbo Diesel, Cruise Control Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 1.9L Turbo Diesel, Cruise Control Wiring Diagram for Volkswagen Jetta GLS 2004: 30 (below left side of dash) (below left side of instrument panel) data link connector (not used) 13a 43a Brakelight switch (above brake pedal) Clutch vacuum vent valve switch (m/t) (above clutch pedal) Computer data lines system Cruise control switch Diesel direct fuel injection (dfi) engine control module (ecm) (at base if windshield, in center of plenum) Early prod Fuse 10a Fuse 7.5a Fuse panel (behind left side of dash) Fuse panel (behind left side of side) G42 Horns system Hot at all times Hot in on or start Interior lights system Late prod 2004, 2005 Multi-function steering wheel control module Nca Red Sound system Thirteen- fold auxiliary relay panel (under left side of dash) Thirteen-fold auxiliary relay panel (under left side of dash) Throttle position sensor/closed throttle position switch/ kickdown switch (above accelerator pedal) W/ steering wheel controls W/o steering wheel controls
2.0L 2.0L, Cruise Control Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 2.0L, Cruise Control Wiring Diagram for Volkswagen Jetta GLS 2004: 27 (below left side of dash) (not used) 13a Brakelight switch (above brake pedal) Clutch vacuum vent valve switch (m/t) (above clutch pedal) Computer data lines system Cruise control switch Data link connector (under left side of dash) Fuse 10a Fuse 7.5a Fuse panel (behind left side of dash) G42 Horns system Hot at all times Hot in on or start Interior lights system Motronic engine control module (ecm) (at base of windshield, in center of plenum) Multifunction steering wheel control module Nca Red Sound system Thirteenfold auxiliary relay panel (under left side of dash) Throttle position sensor/accel pedal position sensor (2.0l) accelerator pedal position sensor (1.8l) Throttle throttle position sensor (2.8l & 3.2l) (on throttle body) Throttle valve control module (on throttle body) W/ steering wheel controls W/o steering wheel controls
2.8L 2.8L, Cruise Control Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 2.8L, Cruise Control Wiring Diagram for Volkswagen Jetta GLS 2004: 27 (below left side of dash) (not used) 13a Brakelight switch (above brake pedal) Clutch vacuum vent valve switch (m/t) (above clutch pedal) Computer data lines system Cruise control switch Data link connector (under left side of dash) Fuse 10a Fuse 7.5a Fuse panel (behind left side of dash) G42 Horns system Hot at all times Hot in on or start Interior lights system Motronic engine control module (ecm) (at base of windshield, in center of plenum) Multifunction steering wheel control module Nca Red Sound system Thirteenfold auxiliary relay panel (under left side of dash) Throttle position sensor/accel pedal position sensor (2.0l) accelerator pedal position sensor (1.8l) Throttle throttle position sensor (2.8l & 3.2l) (on throttle body) Throttle valve control module (on throttle body) W/ steering wheel controls W/o steering wheel controls
DEFOGGERS Heated Mirrors Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Heated Mirrors Wiring Diagram for Volkswagen Jetta GLS 2004: 11 Driver's side door control module Driver's side power mirror Fuse 15a Fuse panel (behind left side of dash) G43 (behind right kick panel) G44 (behind left kick panel) Heating element Hot at all times Nca Passenger's side door control module Passenger's side power mirror Rear Defogger Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Rear Defogger Wiring Diagram for Volkswagen Jetta GLS 2004: 12 (not used) 26a Fuse 25a Fuse/relay panel (behind left side of dash) G42 (behind left side of dash) G50 (left front of luggage compt) Heated rear window Heated rear windshield indicator light Hot in on Interior lights system Rear window defogger switch Rear windshield defogger switch light
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: 39 (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: 33 (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: 24 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: 26 (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: 17 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: 24 (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: 33 (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: 21 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: 17 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: 10 (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: 36 (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: 25 (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: 18 (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: 34 (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: 28 (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: 20 (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: 33 (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: 25 (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: 21 (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: 43 (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: 31 (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: 17 (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: 14 (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
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Back-up Lamps Wiring Diagram for Volkswagen Jetta GLS 2004: 18 (except wagon) (jetta wagon) 5-speed a/t 4-speed a/t A/t Back- up Back-up light switch Fuse 10a Fuse panel (behind left side of dash) G50 (left front of luggage compt) Hot in on or start Left taillight unit M/t Multifunction transmission range switch (on right side of transmission) Not used Park/ neutral position relay Right taillight unit Thirteenfold auxiliary relay panel (under left side of dash) Transmission control module (at base of windshield, in right side of plenum) Exterior Lamps Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Exterior Lamps Wiring Diagram for Volkswagen Jetta GLS 2004: 48 (or 1) (or 2) 13a 22a 23a 39a Brake- light switch Brake/ tail- light Control module Emergency flasher switch Except wgn Fuse 10a Fuse 15a Fuse 5a Fuse panel (behind left side of dash) G12 (left front of engine compt) G42 (below left side of dash) G50 (left front of luggage compt) High mount brake- light Hot at all times Hot in run Instrument cluster Interior lights system Jetta wgn Left Left front side marker light Left headlight/ turn signal/ park light assembly Left side turn signal light Left taillight unit Left turn ind License plate lights Light switch Load reduction relay Off Parking light Right Right front side marker light Right headlight/ turn signal/ park light assembly Right side turn signal light Right taillight unit Right turn ind Solid state T10b T10c T32 Thirteenfold auxiliary relay panel (under left side of dash) Turn signal light Turn signal switch
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Volkswagen Jetta GLS 2004 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Volkswagen Jetta GLS 2004: 60 (1.8l, 2.0l, 2.8l, 3.2l) (2.8l, 3.2l) (4-speed a/t) (5-speed a/t) (under left side of dash) thirteenfold auxiliary relay panel 1.8l 1.9l 1.9l, 2.0l 1.9l: (early prod 2004) 1.9l: (late prod 2004, 2005) 2.0l 2.8l, 3.2l 5-speed a/t A/c clutch Abs control module After- run coolant pump Battery Brake fluid level warning switch Brake pressure switch (5-speed a/t) Coolant fan Coolant fan control module Coolant fan control thermal switch (man a/c) Diesel direct fuel injection (dfi) engine control module (1.9l) Dual tone horn Except 1.9l G1 (left side of engine compt, below battery tray) G12 (left side of eng compt) G15 (on cylinder head) G18 (on engine block) G2 (top of transmission) G608 (on left rear of engine compt) G609 (on right rear or engine compt) G65 (left front of engine compt) below battery tray) Glowplug triggering control module (1.9l) High pressure sensor Hood alarm switch (w/ anti- theft) Ignition coil Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Intake flap motor (1.9l late prod 2004, 2005) Left coolant fan Left front side marker light Left headlight/ turn signal/ park light assembly Left side turn signal light Motronic engine control (ecm) module (1.8l, 2.0l, 2.8l, 3.2l) Multifunction transmission range switch Nca Park/ neutral position (pnp) relay Positive crankcase ventilation (pcv) heating element Right coolant fan Right front side marker light Right headlight/ turn signal/ park light assembly Right side turn signal light Secondary air injection (air) pump motor Speedometer vehicle speed sensor (vss) Trans- mission control module (tcm) Windshield wiper motor Ground Distribution Wiring Diagram (2 of 3) for Volkswagen Jetta GLS 2004 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Volkswagen Jetta GLS 2004: 74 1.8l, 2.8l, & 2.0l engine code bbw a/t) Air bag spiral spring/ return spring Anti- slip control switch Automatic day/night interior mirror Brake system vacuum pump Center instrument panel vent illumination Cigarette lighter Clima- tronic control module Clutch pedal position switch (m/t) Comfort system central control module Data link connector for dlc Daytime running lights change- over relay Driver side heated outside mirror Driver's backrest heating element Driver's heated seat control module Driver's heated seat temp sensor Driver's seat backrest heater Driver's seat heater Driver's seat side bolster heater Driver's seat side bolster heater 2 Emergency flasher switch Esp switch Fuel pump Fuel pump relay (except 1.9l) Fuel tank lid unlock motor G42 (below left side of dash) G49 (top right of steering column) Glove compt light switch Headlight washer pump Heated mirror relay Instrument cluster Instrument panel light dimmer switch Jetta Left front brake pad wear sensor Left instrument panel vent illumination Left seat belt switch Left washer nozzle heater Light switch Load re- duction relay Memory seat control module Multi- function steering wheel control module Outside mirror switch Parking brake warning light switch Pass- enger's backrest heating element Pass- enger's heated seat control module Pass- enger's heated seat temp sensor Pass- enger's seat backrest heater Pass- enger's seat heater Pass- enger's seat side bolster heater Pass- enger's seat side bolster heater 2 Passenger side heated outside mirror Passenger's seat adjusting switch Power sunroof control module Rain sensor Rear window defogger switch Red Right instrument panel vent illumination Right washer nozzle heater Selector lever scale illum Starting inter- lock relay Starting interlock relay (2.0l bbw m/t) Steering angle sensor T2b T32 T8f Thirteenfold auxiliary relay panel (under left side of dash) Tiptronic switch (5-speed a/t) To left rear reading light (diagram 3 of 3) W/ asc W/ auto climate control W/ leather seats Windshield wiper intermittent regulator Windshield wiper/ washer switch Wiper/ washer inter- mittent relay Ground Distribution Wiring Diagram (3 of 3) for Volkswagen Jetta GLS 2004 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Volkswagen Jetta GLS 2004: 45 12v socket All-wheel drive control module (r32) Amplifier Cd changer unit Driver's side door control module Except jetta wagon Fresh air blower Fresh air blower control module Fresh- recirculating air door servo motor From power sunroof control module (diagram 2 of 3) Front interior light G43 (behind right kick panel) G44 (behind left kick panel) G45 (behind left side of dash) G50 (left front of luggage compt) G77 (base of left "b" pillar) G78 (base of right "b" pillar) Golf, gti Heated rear window Heater-a/c control panel High mount brake light High- mount brake- light Jetta Jetta only Jetta sedan Jetta wagon Left make-up mirror light switch Left rear door control module Left rear reading light Left taillight unit License plate lights Luggage compartment light switch Passenger's side door control module Radio Rear lid remote unlock switch Rear lid unlock motor Rear windshield wiper motor Remote/ fuel tank door switch Right make-up mirror light switch Right rear door control module Right rear reading light Right taillight unit T8b Trunk lock alarm/ central locking switch W/ auto climate control
HEADLIGHTS Headlights Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Headlights Wiring Diagram for Volkswagen Jetta GLS 2004: 45 (behind left side of dash) thirteen position auxiliary relay panel 18a 19a 20a 21a 36a Bat Control module Daytime running lights change- over relay Dimmer switch Flash to pass Fog Fog- light relay Fog- light switch Fuse 10a Fuse 15a Fuse 5a Fuse 7.5a Fuse panel (behind left side of dash) G12 (left front of engine compt) G42 (below left side of dash) Golf, gti only Headlight dimmer/ flasher switch Headlight switch High High beam ind Hot at all times Hot in on or start Ignition switch Instrument cluster Interior lights system Jetta only Left high headlight/ turn signal/ park light assembly Light switch Lock Low Off Parking brake ind Red Right headlight/ turn signal/ park light assembly Start T32 T32a Thirteen- fold auxiliary relay panel (behind left side of dash) Thirteen- fold auxiliary relay panel (under left side of dash)
HORN Horn Wiring Diagram, with Steering Wheel Controls for Volkswagen Jetta GLS 2004 List of elements for Horn Wiring Diagram, with Steering Wheel Controls for Volkswagen Jetta GLS 2004: 25 (behind left side of dash) g42 40a Acc Air bag spiral spring/ return spring with slip ring Computer data lines system Dual horn relay Fuse 20a Fuse 7.5a Fuse panel Fuse panel (behind left side of dash) G12 (on left front of eng compt) Horn Horn switch Hot at all times Hot in run or start Ignition switch Load reduction relay Multi-function steering wheel control module Nca Off Start Steering wheel control unit T5b T5j Thirteenfold auxiliary relay panel (under left side of dash) Horn Wiring Diagram, without Steering Wheel Controls for Volkswagen Jetta GLS 2004 List of elements for Horn Wiring Diagram, without Steering Wheel Controls for Volkswagen Jetta GLS 2004: 19 (behind left side of dash) g42 40a Acc Air bag spiral spring/ return spring with slip ring Dual horn relay Fuse 20a Fuse/relay panel (behind left side of dash) G12 (on left front of eng compt) Horn Horn switch Hot at all times Ignition switch Load reduction relay Nca Off Start T5b T5j Thirteenfold auxiliary relay panel (under left side of dash)
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Courtesy Lamps Wiring Diagram for Volkswagen Jetta GLS 2004: 48 (golf, gti, jetta wagon) (jetta sedan) 14a All except jetta sedan Anti-theft system Circuit breaker 30a Close Comfort system central control module (below left side of dash) Defogger system Door Driver's side central locking unit Driver's side door control module (in driver's door) Front interior light Fuse 10a Fuse panel (behind left side of dash) G42 (below left side of dash) G44 (behind left kick panel) G50 (left front of luggage compartment) Glove compartment light Glove compartment light switch Golf & gti Golf, gti & jetta sedan Hot at all times Hot in on or start Instrument cluster Instrument cluster system Jetta sedan Jetta wagon Left door warning light Left front reading light Left make-up mirror light Left make-up mirror light switch Left rear reading light Luggage compart -ment light Luggage compart -ment light switch Luggage compart- ment lights Mirrors, defogger system Off Open Passenger's side central locking unit Passenger's side door control module (in passenger's door) Power window circuit breaker (in relay panel) Right door warning light Right front map/ reading light Right make-up mirror light Right make-up mirror light switch T23 T32 Instrument Illumination Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Instrument Illumination Wiring Diagram for Volkswagen Jetta GLS 2004: 46 (5) (w/ auto a/c) climate control module Center Cigarette lighter Comfort system central control module (behind left side of dash) Control module Digital display light Driver's heated seat control module Driver's side door control module (in driver's door) Driver's side power window/ interior lock switch Emergency flasher switch Esp/ anti- slip control switch (w/ acs or esp/asc) Fuse 5a Fuse panel (under left side of dash) G206 (behind center of dash) G42 (below left side of dash) G44 (behind left kick panel) Heater- a/c control panel Hot w/ light switch on Instrument cluster Instrument panel light dimmer switch Instrument panel vent illumination lights (jetta sedan) Left Left rear door control module (in left rear door) Left rear window switch Light switch Mirror adjustment switch Multi-function steering wheel control module Passenger's heated seat control module Passenger's side door control module (in passenger's door) Passenger's side interior lock switch Passenger's side window switch Radio Rear lid remote unlock switch Rear window defogger switch Red Remote/ fuel tank door switch Right Right rear door control module (in right rear door) Right rear window switch Selector lever position illumi- nation T12 T18c T23 T32 T8b
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Volkswagen Jetta GLS 2004 List of elements for Power Distribution Wiring Diagram (1 of 3) for Volkswagen Jetta GLS 2004: 85 (2.0l, 3.2l) (others) (late prod 2004, 2005) (early prod 2004) 1.8l, 2.0l 2.8l, 3.2l 12v socket 16a 28a 30a 31a 33a 35a 36a 37a 44a 75x Abs control module Alarm system & anti- theft fuse All-wheel drive control module (r32) Battery Brake system vacuum pump (1.8l, 2.0l) Brake vacuum pump fuse 20a Central locking/ anti-theft warning system fuse Circuit breaker 30a Climatronic control module (2.8l, 3.2l) Comfort system central control module Coolant fan control module Coolant fan control module (2.8l, 3.2l) Coolant fan control thermal switch Coolant preheating relay (high heat outlet) (1.9l) Coolant preheating relay (low heat outlet) (1.9l) Diesel direct fuel injection (dfi) engine control module Driver's heated seat control module Driver's side door control module Dual horn relay Fuel pump relay (2004 early production) Fuel pump relay (except 1.9l) Fuse 10a Fuse 110a Fuse 110a 150a Fuse 15a Fuse 20a Fuse 30a Fuse 30a (or 40a) Fuse 37 20a 30a Fuse 40a Fuse 50a Fuse 5a Fuse bracket/ battery (behind battery) Fuse panel (behind left side of dash) G42 (below left side of dash) G50 (left front of luggage compt) Generator Glow plug triggering control module (1.9l) Headlight dimmer/ flasher switch Left rear door control module Light switch Load reduction relay Memory seat control module Motronic engine control module (ecm) Multi-function steering wheel control module Park/ neutral position relay Passenger's heated seat control module Passenger's seat switch Passenger's side door control module Power memory seat circuit breaker (in relay panel) Power sunroof control module Power window circuit breaker (in relay panel) Red Red red Relay panel (under left side of dash) Right rear door control module Secondary air injection pump relay (except 1.9l) Starter T14 T15 T16a T2b T4a T60 t121 T6f T8f Thirteen -fold auxiliary relay panel Thirteen -fold auxiliary relay panel (under left side of dash) To fuse panel (diagram 3 of 3) To ignition switch (diagram 2 of 3) Wiper/ washer intermittent relay Power Distribution Wiring Diagram (2 of 3) for Volkswagen Jetta GLS 2004 List of elements for Power Distribution Wiring Diagram (2 of 3) for Volkswagen Jetta GLS 2004: 90 (1.9l) (2.8l) evaporative emission canister purge regulator valve (2.8l) positive crankcase ventilation heating element (4-spd) (4-spd) (5-spd) (5-spd) (canada) (exc canada) (exc 1.9l) (not used) 1.8l & 2.0l engine code avh & azg 1.9l late prod 2004, 2005 10a 11a 2004, 2005 29a 3.2l, 2.0l bev, 2.0l bbw 31a 34a 50b 75x 86s A/t Abs control module Air bag control module Airbag spiral spring/ return spring Anti-slip control switch (w/ asc) Automatic day/night interior mirror Back-up light switch (m/t) Brake vacuum vent valve switch Climatronic control module Clutch pedal position switch (m/t) Clutch vacuum vent valve switch (m/t) Comfort system central control module Coolant fan control module Cruise control switch Data link connector Daytime running lights change -over relay Diesel direct fuel injection (dfi) engine control module (ecm) (1.9l) Driver's heated seat control module Early prod Esp switch From thirteen -fold auxiliary relay panel (diagram 1 of 3) From thirteen -fold auxiliary relay panel (splice) (diagram 1 of 3) Fuel injectors (2.8l, 3.2l) Fuel pump relay (except 1.9l) Fuse 10a Fuse 10a (2.8l) Fuse 15a Fuse 20a Fuse 5a Fuse 7.5a Fuse panel (behind left side of dash) Heater-a/c control panel High pressure sensor Ignition switch Instrument cluster Key-in ignition switch Late prod Lock M/t Mass air flow sensor Mirror adjustment switch Motronic engine control module Multi- function steering wheel control module Multi-function transmission range switch Nca Park neutral position relay (a/t) Park/ neutral position relay Passenger's heated seat control module Radio Red Secondary air injection pump relay (2.8l) Secondary air injection solenoid valve (2.8l) Selector lever position warning light (p/n) Shift lock solenoid Speedometer vehicle speed sensor Start Starting interlock relay (m/t) Steering angle sensor T14 T16a T23 T32 T68 t68a T8b T94 t121 Thirteen -fold auxiliary relay panel (under left side of dash) Thirteenfold auxiliary relay panel (under left side of dash) Tiptronic switch Transmission control module Power Distribution Wiring Diagram (3 of 3) for Volkswagen Jetta GLS 2004 List of elements for Power Distribution Wiring Diagram (3 of 3) for Volkswagen Jetta GLS 2004: 65 (4-spd) (5-spd) 12a 13a 14a 15a 24a 25a 26a 27a 38a 39a 40a 41a 42a Amplifier (monsoon) Brake- light switch Cigarette lighter Climatronic control module Comfort system central control module (w/ pwr wdo) Comfort system central control module (w/o pwr wdo) Data link connector Driver's side door control module (w/ pwr wdo) Driver's side door control module (w/o pwr wdo) Dual horn relay Emergency flasher switch Except monsoon Fresh air blower (2.8l, 3.2l) From thirteen- fold auxiliary relay panel (diagram 1 of 3) Fuse 10a Fuse 15a Fuse 20a Fuse 25a Fuse 5a Fuse 7.5a Fuse panel (behind left side of dash) G42 (below left side of dash) Glove compartment light Heated mirror mirror Heater-a/c control panel Instrument cluster Interior lights system Left rear door control module Left washer heater nozzle Memory seat control module Monsoon Passenger's side door control module Radio Rear window defogger switch Rear windshield wiper motor (golf) Red Remote/ fuel tank door switch Right rear door control module Right washer heater nozzle Steering angle sensor T16b T23 T28 T32 T6d T8 t16d Thirteenfold auxiliary relay panel (under left side of dash) Transmission control module Windshield wiper/washer switch Wiper/washer intermittent relay
POWER DOOR LOCKS Power Door Locks Wiring Diagram, Sedan (1 of 2) for Volkswagen Jetta GLS 2004 List of elements for Power Door Locks Wiring Diagram, Sedan (1 of 2) for Volkswagen Jetta GLS 2004: 39 (jetta) 14a 38a Alarm system anti- theft fuse Anti-theft system Central locking & anti-theft warning system antenna Central locking warning light (safe) Central locking/ anti- theft fuse Circuit breaker 30a Comfort system central control module (behind left side of dash) Computer data lines system Defogger or mirrors system Defoggers system Door ajar indicator Driver's side central locking lock unit Driver's side door control module (in driver's door, integral with window motor) Driver's side interior lock switch Exterior lights system, instrument cluster system Fuse 10a Fuse 15a Fuse panel (behind left side of dash) G42 (below left side of dash) G44 (behind left kick panel) G50 (left front of luggage compt) Hot at all times Instrument cluster Instrument cluster system Interior lights system Nca Power tops system Power window circuit breaker (under left side of dash) Rear lid ajar indicator T15 T23 T29 T32 Trunk lock alarm/ central locking switch Trunk, tailgate fuel doors system Trunk, tailgate, fuel doors system Power Door Locks Wiring Diagram, Sedan (2 of 2) for Volkswagen Jetta GLS 2004 List of elements for Power Door Locks Wiring Diagram, Sedan (2 of 2) for Volkswagen Jetta GLS 2004: 21 Decklid central locking system motor Defogger system G43 (behind right kick panel) G50 (left front of luggage compt) G77 (on base of left "b" pillar) G78 (on base of right "b" pillar) Golf, gti Interior lights system Jetta Left rear central locking lock unit Left rear door control module (in left rear door, integral with window motor) Not used Passenger's side central locking lock unit Passenger's side door control module (in passenger's door, integral with window motor) Passenger's side interior lock switch Rear lid unlock motor Right rear central locking lock unit Right rear door control module (in right rear door, integral with window motor) T18a T18b T29a Power Door Locks Wiring Diagram, Wagon (1 of 2) for Volkswagen Jetta GLS 2004 List of elements for Power Door Locks Wiring Diagram, Wagon (1 of 2) for Volkswagen Jetta GLS 2004: 40 14a 38a Alarm horn Alarm system anti- theft fuse Anti-theft indicator Central locking & anti-theft warning system antenna Central locking warning light (safe) Central locking/ anti- theft fuse Circuit breaker 30a Comfort system central control module (behind left side of dash) Computer data lines system Defogger system Defogger systems Door ajar indicator Driver's side central locking lock unit Driver's side door control module (in driver's door, integral with window motor) Driver's side interior lock switch Exterior lights system, instrument cluster system Fuse 10a Fuse 15a Fuse panel (behind left side of dash) G42 (below left side of dash) G44 (behind left kick panel) G50 (left front of luggage compt) G608 (left rear of engine compt) Hood alarm switch Hot at all times Instrument cluster Interior lights system Nca Power tops system Power window circuit breaker (under left side of dash) Radio Rear lid unlock motor Remote/ fuel tank door switch T15 T16d T23 T29 T32 Power Door Locks Wiring Diagram, Wagon (2 of 2) for Volkswagen Jetta GLS 2004 List of elements for Power Door Locks Wiring Diagram, Wagon (2 of 2) for Volkswagen Jetta GLS 2004: 21 (behind left kick panel) g44 Defogger system Driver side rear lid remote unlock switch G43 (behind right kick panel) G77 (on base of left "b" pillar) G78 (on base off right "b" pillar) Interior lights system Left rear central locking lock unit Left rear door control module (in left rear door, integral with window motor) Passenger's side central locking lock unit Passenger's side door control module (in passenger's door, integral with window motor) Passenger's side interior lock switch Rear lid handle unlocking switch Rear lid remote lock key switch Right rear central locking lock unit Right rear door control module (in right rear door, integral with window motor) Switch off remote unlock rear lid key switch T18a T18b T29a Trunk lid release switch/ luggage compartment light switch
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Automatic Day/Night Mirror Wiring Diagram for Volkswagen Jetta GLS 2004: 14 5 speed 4 speed A/t Automatic day/night interior mirror Back-up light switch Fuse 10a Fuse 7.5a Fuse panel (behind left side of dash) G42 (behind left side of dash) Hot in on or start M/t Multifunction transmission range switch (on right side of transmission) Park/ neutral position relay Thirteenfold auxiliary relay panel (under left side of dash) Transmission control module (at base of windshield, in right side of plenum) Power Mirrors Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Power Mirrors Wiring Diagram for Volkswagen Jetta GLS 2004: 24 38a Computer data lines system Defogger system Door locks system Door locks system, power windows system Down Driver's side door control module Driver's side power mirror Fuse 15a Fuse panel (behind left side of dash) G43 (behind right kick panel) G44 (behind left kick panel) Hot at all times Illumi- nation Interior lights system Left Mirror adjustment switches Mirror heater switch Mirror selector switch Nca Passenger's side door control module Passenger's side power mirror Power mirror switch Right
POWER SEATS Heated Seats Wiring Diagram, with Leather Seats for Volkswagen Jetta GLS 2004 List of elements for Heated Seats Wiring Diagram, with Leather Seats for Volkswagen Jetta GLS 2004: 22 44a All times Driver's backrest heating element Driver's heated seat control module Driver's heated seat temper- ature sensor Driver's seat heating element Driver's seat side bolster heating element Driver's seat side bolster heating element 2 Fuse 44 15a Fuse 5 7.5a Fuse panel (behind left side of dash) G42 (behind left side of dash) Hot at Hot in on or start Interior lights system Nca Passenger's backrest heating element Passenger's heated seat control module Passenger's heated seat temper- ature sensor Passenger's seat heating element Passenger's seat side bolster heating element Passenger's seat side bolster heating element 2 Heated Seats Wiring Diagram, without Leather Seats for Volkswagen Jetta GLS 2004 List of elements for Heated Seats Wiring Diagram, without Leather Seats for Volkswagen Jetta GLS 2004: 18 44a All times Driver's backrest heating element Driver's heated seat control module Driver's heated seat temper- ature sensor Driver's seat heating element Fuse 44 15a Fuse 5 7.5a Fuse panel (behind left side of dash) G42 (behind left side of dash) Hot at Hot in on or start Interior lights system Nca Passenger's backrest heating element Passenger's heated seat control module Passenger's heated seat temper- ature sensor Passenger's seat heating element
POWER TOP/SUNROOF Sunroof Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Sunroof Wiring Diagram for Volkswagen Jetta GLS 2004: 14 30a Comfort system central control module (behind left side of dash) Fuse 20a Fuse panel (behind left side of dash) G42 (behind left side of dash) Hot at all times Nca Power sun roof control module (behind front interior light) Sun roof motor Sun roof regulator T23 T6d T6e T6f
POWER WINDOWS Power Windows Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Power Windows Wiring Diagram for Volkswagen Jetta GLS 2004: 34 (not used) 38a Circuit breaker 30a Comfort system central control module (behind left side of dash) Door locks system Driver's side door control module Driver's side power window switch Fuse 15a Fuse panel (behind left side of dash) G43 (behind right kick panel) G44 (behind left kick panel) G77 (base of left "b" pillar) G78 (base of right "b" pillar) Hot at all times Illumination Interior lights system Left front window switch Left rear door control module Left rear window switch Passenger's side door control module Passenger's side window switch Power window circuit breaker (in relay panel) Rear window safety switch Red Right front window switch Right rear door control module Right rear window switch T16a T18a T18b T23 T29 T29a Window motor
RADIO Radio Wiring Diagram, with Monsoon Radio for Volkswagen Jetta GLS 2004 List of elements for Radio Wiring Diagram, with Monsoon Radio for Volkswagen Jetta GLS 2004: 25 42a Amplifier Antenna (w/amplifier) Anti-theft system Cd changer unit (provisions) Computer data lines system Fuse 25a Fuse panel (behind left side of dash) G45 (behind center of dash) Hot at all times Left front bass speaker Left front treble speaker Left rear bass speaker Left rear treble speaker Nca Radio Red Right front bass speaker Right front treble speaker Right rear bass speaker Right rear treble speaker T12y T16d T23 T24 Radio Wiring Diagram, without Monsoon Radio for Volkswagen Jetta GLS 2004 List of elements for Radio Wiring Diagram, without Monsoon Radio for Volkswagen Jetta GLS 2004: 22 42a Antenna (w/amplifier) Anti-theft system Cd changer unit (provisions) Computer data lines system Fuse 25a Fuse panel (behind left side of dash) G45 (behind center of dash) Hot at all times Left front bass speaker Left front treble tweeter Left rear bass speaker Left rear treble tweeter Nca Radio Red Right front bass speaker Right front treble tweeter Right rear bass speaker Right rear treble tweeter T12y T16d
SHIFT INTERLOCK
1.8L TURBO 1.8L Turbo, Shift Interlock Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 1.8L Turbo, Shift Interlock Wiring Diagram for Volkswagen Jetta GLS 2004: 11 11a 13a Brakelight switch (above brake pedal) Fuse 10a Fuse 5a Fuse panel (behind left side of dash) Hot at all times Hot in on or start Shift lock solenoid (at base of gear selector) Tiptronic switch/ selector level position warning light (p/n) Transmission control module (at base of windshield, in right side of plenum)
1.9L TURBO DIESEL 1.9L Turbo Diesel, Shift Interlock Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 1.9L Turbo Diesel, Shift Interlock Wiring Diagram for Volkswagen Jetta GLS 2004: 13 11a 13a Brakelight switch (above brake pedal) Early prod 2004 late prod 2004, 2005 Fuse 10a Fuse 5a Fuse panel (behind left side of dash) Hot at all times Hot in on or start Selector level position warning light (p/n) (early prod 2004) Shift lock solenoid (at base of gear selector) Tiptronic switch/ selector level position warning light (p/n) (late prod 2004, 2005) Transmission control module (at base of windshield, in right side of plenum)
2.0L 2.0L, Shift Interlock Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 2.0L, Shift Interlock Wiring Diagram for Volkswagen Jetta GLS 2004: 11 11a 13a Brakelight switch (above brake pedal) Fuse 10a Fuse 5a Fuse panel (behind left side of dash) Hot at all times Hot in on or start Selector level position warning light (p/n) Shift lock solenoid (at base of gear selector) Transmission control module (at base of windshield, in right side of plenum)
2.8L 2.8L, Shift Interlock Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 2.8L, Shift Interlock Wiring Diagram for Volkswagen Jetta GLS 2004: 11 11a 13a Brakelight switch (above brake pedal) Fuse 10a Fuse 5a Fuse panel (behind left side of dash) Hot at all times Hot in on or start Shift lock solenoid (at base of gear selector) Tiptronic switch/ selector level position warning light (p/n) Transmission control module (at base of windshield, in right side of plenum)
STARTING/CHARGING
1.8L TURBO 1.8L Turbo, Charging Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 1.8L Turbo, Charging Wiring Diagram for Volkswagen Jetta GLS 2004: 19 11a B1+ Battery Control module w/ indicator unit Dfm Fuse 150a Fuse 5a Fuse bracket/ battery Fuse panel (behind left side of dash) G1 (left side of eng compt, below battery tray) Generator Generator warning light Hot in on & start Instrument cluster Motronic engine control module (at base of windshield, in center of plenum) Or 110a Red Starter T32 1.8L Turbo, Starting Wiring Diagram, A/T for Volkswagen Jetta GLS 2004 List of elements for 1.8L Turbo, Starting Wiring Diagram, A/T for Volkswagen Jetta GLS 2004: 16 2.0l except 2.0l 50b Battery Fuse 110a Fuse bracket/ battery G1 (left side of eng compt, below battery tray) G608 (left center of firewall) Ignition switch Lock Multi-function transmission range switch Park/neutral position relay (thirteen- fold auxiliary relay panel) Red Start Starter Thirteen- fold auxiliary relay panel (under left side of dash) Transmission control module (at base of windshield, in right side of plenum) 1.8L Turbo, Starting Wiring Diagram, M/T for Volkswagen Jetta GLS 2004 List of elements for 1.8L Turbo, Starting Wiring Diagram, M/T for Volkswagen Jetta GLS 2004: 14 50b Battery Clutch pedal position switch (above clutch pedal) Fuse 110a Fuse bracket/ battery G1 (left side of eng compt, below battery tray) G42 (behind left side of dash) Ignition switch Lock Red Start Starter Starter interlocking relay (thirteenfold auxiliary relay panel) Thirteen position auxiliary relay panel (under left side of dash)
1.9L TURBO DIESEL 1.9L Turbo Diesel, Charging Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 1.9L Turbo Diesel, Charging Wiring Diagram for Volkswagen Jetta GLS 2004: 20 (early prod 2004) (late prod 2004, 2005) 11a B1+ Battery Control module w/ indicator unit Dfm Diesel direct fuel injection engine control module (at base of windshield, in center of plenum) Fuse 150a Fuse 5a Fuse bracket/ battery Fuse panel (behind left side of dash) G1 (left side of eng compt, below battery tray) Generator Generator warning light Hot in on & start Instrument cluster Red Starter T32 1.9L Turbo Diesel, Starting Wiring Diagram, A/T for Volkswagen Jetta GLS 2004 List of elements for 1.9L Turbo Diesel, Starting Wiring Diagram, A/T for Volkswagen Jetta GLS 2004: 16 50b Battery Early prod 2004 late prod 2004, 2005 Fuse 110a Fuse bracket/ battery G1 (left side of eng compt, below battery tray) G608 (left rear of engine compartment) Ignition switch Lock Multi-function transmission range switch Park/neutral position relay (thirteen- fold auxiliary relay panel) Red Start Starter Thirteen- fold auxiliary relay panel (under left side of dash) Transmission control module (at base of windshield, in right side of plenum) 1.9L Turbo Diesel, Starting Wiring Diagram, M/T for Volkswagen Jetta GLS 2004 List of elements for 1.9L Turbo Diesel, Starting Wiring Diagram, M/T for Volkswagen Jetta GLS 2004: 14 50b Battery Clutch pedal position switch (above clutch pedal) Fuse 110a Fuse bracket/ battery G1 (left side of eng compt, below battery tray) G42 (behind left side of dash) Ignition switch Lock Red Start Starter Starter interlocking relay (thirteenfold auxiliary relay panel) Thirteen position auxiliary relay panel (under left side of dash)
2.0L 2.0L, Charging Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 2.0L, Charging Wiring Diagram for Volkswagen Jetta GLS 2004: 19 11a B1+ Battery Control module w/ indicator unit Dfm Fuse 150a Fuse 5a Fuse bracket/ battery Fuse panel (behind left side of dash) G1 (left side of eng compt, below battery tray) Generator Generator warning light Hot in on & start Instrument cluster Motronic engine control module (at base of windshield, in center of plenum) Or 110a Red Starter T32 2.0L, Starting Wiring Diagram, A/T for Volkswagen Jetta GLS 2004 List of elements for 2.0L, Starting Wiring Diagram, A/T for Volkswagen Jetta GLS 2004: 16 2.0l except 2.0l 50b Battery Fuse 110a Fuse bracket/ battery G1 (left side of eng compt, below battery tray) G608 (left center of firewall) Ignition switch Lock Multi-function transmission range switch Park/neutral position relay (thirteen- fold auxiliary relay panel) Red Start Starter Thirteen- fold auxiliary relay panel (under left side of dash) Transmission control module (at base of windshield, in right side of plenum) 2.0L, Starting Wiring Diagram, M/T Engine Code BBW for Volkswagen Jetta GLS 2004 List of elements for 2.0L, Starting Wiring Diagram, M/T Engine Code BBW for Volkswagen Jetta GLS 2004: 15 50b Battery Clutch pedal position switch (above clutch pedal) Fuse 110a Fuse bracket/ battery G1 (left side of eng compt, below battery tray) G42 (behind left side of dash) Ignition switch Lock Motronic engine control module (at base of windshield, in center of plenum) Red Start Starter Starter interlocking relay (thirteenfold auxiliary relay panel) Thirteen position auxiliary relay panel (under left side of dash) 2.0L, Starting Wiring Diagram, M/T Except Engine Code BBW for Volkswagen Jetta GLS 2004 List of elements for 2.0L, Starting Wiring Diagram, M/T Except Engine Code BBW for Volkswagen Jetta GLS 2004: 14 50b Battery Clutch pedal position switch (above clutch pedal) Fuse 110a Fuse bracket/ battery G1 (left side of eng compt, below battery tray) G42 (behind left side of dash) Ignition switch Lock Red Start Starter Starter interlocking relay (thirteenfold auxiliary relay panel) Thirteen position auxiliary relay panel (under left side of dash)
2.8L 2.8L, Charging Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for 2.8L, Charging Wiring Diagram for Volkswagen Jetta GLS 2004: 19 11a B1+ Battery Control module w/ indicator unit Dfm Fuse 150a Fuse 5a Fuse bracket/ battery Fuse panel (behind left side of dash) G1 (left side of eng compt, below battery tray) Generator Generator warning light Hot in on & start Instrument cluster Motronic engine control module (at base of windshield, in center of plenum) Or 110a Red Starter T32 2.8L, Starting Wiring Diagram, A/T for Volkswagen Jetta GLS 2004 List of elements for 2.8L, Starting Wiring Diagram, A/T for Volkswagen Jetta GLS 2004: 16 2.0l except 2.0l 50b Battery Fuse 110a Fuse bracket/ battery G1 (left side of eng compt, below battery tray) G608 (left center of firewall) Ignition switch Lock Multi-function transmission range switch Park/neutral position relay (thirteen- fold auxiliary relay panel) Red Start Starter Thirteen- fold auxiliary relay panel (under left side of dash) Transmission control module (at base of windshield, in right side of plenum) 2.8L, Starting Wiring Diagram, M/T for Volkswagen Jetta GLS 2004 List of elements for 2.8L, Starting Wiring Diagram, M/T for Volkswagen Jetta GLS 2004: 14 50b Battery Clutch pedal position switch (above clutch pedal) Fuse 110a Fuse bracket/ battery G1 (left side of eng compt, below battery tray) G42 (behind left side of dash) Ignition switch Lock Red Start Starter Starter interlocking relay (thirteenfold auxiliary relay panel) Thirteen position auxiliary relay panel (under left side of dash)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Supplemental Restraints Wiring Diagram for Volkswagen Jetta GLS 2004: 36 (beside steering column) g42 18/c Acc Air bag control module (beneath center of dash, on central tunnel) Air bag malfunction indicator lamp (mil) Air bag spiral spring/return spring (w/slip ring) Air conditioning, door locks & anti-theft systems Data link connector (dlc) (partial) (under left side of dash) Driver's side air bag igniter Driver's side head air bag igniter Driver's side side air bag crash sensor (under driver's seat beneath carpet) Driver's side side air bag igniter Fuel pump (fp) relay (gasoline engines) Hot at all times Ignition/ starter switch Instrument cluster Left front seat belt microswitch Left rear side air bag crash sensor Left seat belt tensioner igniter Lock Nca Passenger side head air bag igniter Passenger side side air bag igniter Passenger's side air bag igniter 1 Passenger's side side air bag crash sensor (under passenger's seat beneath carpet) Red Right front seat belt micro-switch Right rear side air bag crash sensor Right seat belt tensioner igniter Seat belt warning light Solid state Start T32 T32a Thirteenfold auxiliary relay panel (under left side of dash) Warning buzzer
TRANSMISSION
1.8L TURBO 1.8L Turbo, A/T Wiring Diagram, 5 Speed A/T for Volkswagen Jetta GLS 2004 List of elements for 1.8L Turbo, A/T Wiring Diagram, 5 Speed A/T for Volkswagen Jetta GLS 2004: 38 (below left side of dash) 11a 13a 15a 31a A/c system Brake pressure switch Brakelight switch (above brake pedal) Computer data lines system Data link connector (under left side of dash, below steering column) Exterior lights system Fuse 10a Fuse 20a Fuse 5a Fuse panel (behind left side of dash) G42 G608 (left rear of engine compt) Hot at all times Hot in on or start Instrument cluster system Interior lights system Intermediate shaft speed sensor Motronic engine control module (at base of windshield, in center of plenum) Multi-function transmission range switch (right side of transmission) Nca Park/ neutral position relay Red Shift lock solenoid (at base of gear selector) Solenoid valve Solid state Starting/ charging system Thirteen position auxiliary relay panel (under left side of dash) Tiptronic switch/ selector level position p/n warning light Trans fluid temp sensor Transmission control module (at base of windshield, in right side of plenum) Transmission vehicle speed sensor (on top of transmission) Valve body Vehicle speed sensor (on top of transmission housing)
1.9L TURBO DIESEL 1.9L Turbo Diesel, A/T Wiring Diagram, 4 Speed A/T for Volkswagen Jetta GLS 2004 List of elements for 1.9L Turbo Diesel, A/T Wiring Diagram, 4 Speed A/T for Volkswagen Jetta GLS 2004: 34 (behind left side of dash) g608 (not used) 11a 13a 15a 31a A/c system Brakelight switch (above brake pedal) Computer data lines system Data link connector (under left side of dash, below steering column) Diesel direct fuel injection engine control module (below left side of dash panel cover) Exterior lights system Fuse 10a Fuse 20a Fuse 5a Fuse panel (behind left side of dash) G608 (behind left side of dash) Hot at all times Hot in on or start Multi-function transmission range switch (right side of transmission) Nca Park/ neutral position relay Red Selector level position p/n warning light Shift lock solenoid Solenoid valves Solid state Starting/ charging system Thirteen position auxiliary relay panel (under left side of dash) Transmission control module (at base of windshield, in right side of plenum) Transmission fluid temperature sensor Transmission vehicle speed sensor (on top of transmission) Valve body Vehicle speed sensor (on top of transmission housing) 1.9L Turbo Diesel, A/T Wiring Diagram, 5 Speed A/T for Volkswagen Jetta GLS 2004 List of elements for 1.9L Turbo Diesel, A/T Wiring Diagram, 5 Speed A/T for Volkswagen Jetta GLS 2004: 38 (below left side of dash) 11a 13a 15a 31a A/c system Brake pressure switch Brakelight switch (above brake pedal) Computer data lines system Data link connector (under left side of dash, below steering column) Exterior lights system Fuse 10a Fuse 20a Fuse 5a Fuse panel (behind left side of dash) G42 G608 (left rear of engine compt) Hot at all times Hot in on or start Instrument cluster system Interior lights system Intermediate shaft speed sensor Motronic engine control module (at base of windshield, in center of plenum) Multi-function transmission range switch (right side of transmission) Nca Park/ neutral position relay Red Shift lock solenoid (at base of gear selector) Solenoid valve Solid state Starting/ charging system Thirteen position auxiliary relay panel (under left side of dash) Tiptronic switch/ selector level position p/n warning light Trans fluid temp sensor Transmission control module (at base of windshield, in right side of plenum) Transmission vehicle speed sensor (on top of transmission) Valve body Vehicle speed sensor (on top of transmission housing)
2.0L 2.0L, A/T Wiring Diagram, 4 Speed A/T for Volkswagen Jetta GLS 2004 List of elements for 2.0L, A/T Wiring Diagram, 4 Speed A/T for Volkswagen Jetta GLS 2004: 34 (not used) 11a 13a 15a 31a A/c system Brakelight switch (above brake pedal) Computer data lines system Data link connector (under left side of dash, below steering column) Exterior lights system Fuse 10a Fuse 20a Fuse 5a Fuse panel (behind left side of dash) G608 (on left rear of engine compartment) G608 (on left rear of eng compt) Hot at all times Hot in on or start Motronic engine control module (at base of windshield, in center of plenum) Multi-function transmission range switch (right side of transmission) Nca Park/ neutral position relay Red Selector level position p/n warning light Shift lock solenoid Solenoid valves Solid state Starting/ charging system Thirteen position auxiliary relay panel (under left side of dash) Transmission control module (at base of windshield, in right side of plenum) Transmission fluid temperature sensor Transmission vehicle speed sensor (on top of transmission) Valve body Vehicle speed sensor (on top of transmission housing)
2.8L 2.8L, A/T Wiring Diagram, 5 Speed A/T for Volkswagen Jetta GLS 2004 List of elements for 2.8L, A/T Wiring Diagram, 5 Speed A/T for Volkswagen Jetta GLS 2004: 38 (below left side of dash) 11a 13a 15a 31a A/c system Brake pressure switch Brakelight switch (above brake pedal) Computer data lines system Data link connector (under left side of dash, below steering column) Exterior lights system Fuse 10a Fuse 20a Fuse 5a Fuse panel (behind left side of dash) G42 G608 (left rear of engine compt) Hot at all times Hot in on or start Instrument cluster system Interior lights system Intermediate shaft speed sensor Motronic engine control module (at base of windshield, in center of plenum) Multi-function transmission range switch (right side of transmission) Nca Park/ neutral position relay Red Shift lock solenoid (at base of gear selector) Solenoid valve Solid state Starting/ charging system Thirteen position auxiliary relay panel (under left side of dash) Tiptronic switch/ selector level position p/n warning light Trans fluid temp sensor Transmission control module (at base of windshield, in right side of plenum) Transmission vehicle speed sensor (on top of transmission) Valve body Vehicle speed sensor (on top of transmission housing)
TRUNK, TAILGATE, FUEL DOOR Deck Lid Release Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Deck Lid Release Wiring Diagram for Volkswagen Jetta GLS 2004: 16 Comfort system central control module (behind left side of dash) Decklid central locking system motor (golf/ gti) G44 (behind left kick panel) G50 (left front of luggage compt) Golf/ gti Golf/gti Interior lights Interior lights system Jetta Luggage compartment light switch (jetta) Rear lid remote unlock switch Rear lid unlock motor (jetta) Remote unlock key switch System T23 Trunk lid release switch (golf/gti) Fuel Door Release Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Fuel Door Release Wiring Diagram for Volkswagen Jetta GLS 2004: 9 (behind left kick panel) g44 (below left side of dash) g42 38a Fuel tank lid unlock motor Fuse 15a Fuse panel (behind left side of dash) Hot at all times Interior lights system Remote/ fuel tank door switch
WARNING SYSTEMS Warning Systems Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Warning Systems Wiring Diagram for Volkswagen Jetta GLS 2004: 16 15a 22a 23a Control module with indicator unit Exterior lights system Fuse 5a Fuse panel (behind left side of dash) G42 (below left side of dash) Hot at all times Instrument cluster Left seat belt switch Light switch Off Seatbelt warning T32 Warning buzzer
WIPER/WASHER Wiper/Washer Wiring Diagram for Volkswagen Jetta GLS 2004 List of elements for Wiper/Washer Wiring Diagram for Volkswagen Jetta GLS 2004: 37 (not used) 24a 27a 33a 75x Fuse 10a Fuse 15a Fuse 20a Fuse panel (behind left side of dash) G12 (left front of engine compt) G42 (below left side of dash) G50 (left front of luggage compt) Headlight washer pump Hot at all times Hot in run Instrument cluster Left washer nozzle heater Light switch Load reduction relay Nca Off Rain sensor (if equipped) Rear windshield wiper motor Red Right washer nozzle heater Speed signal T o T32 Thirteen fold auxiliary relay panel (under left side of dash) Vehicle W/ rain sensor Washer switch Windshield & rear window washer pump Windshield wiper intermittent regulator Windshield wiper motor Windshield wiper/ washer switch Wiper/washer intermittent relay
