Where are the Fuse Boxes located in 2003 Volkswagen Jetta?
2003 Volkswagen Jetta has 2 main boxes with fuses and relays. One is in the cabin (Passenger Compartment) and another is under the hood (Engine Compartment).
2003 Volkswagen Jetta Under Dash Fuse Box and Relay Location
The Fuse and Relay box is located under the dashboard, on the passenger side, below the glove box, and is covered with trim. The fuse panel in Passenger Compartment is located behind an access panel on left edge of the instrument panel.
2003 Volkswagen Jetta Under Dash Fuse Box Layout
2003 Volkswagen Jetta Under Dash Fuse and relay Box Diagram
2003 Volkswagen Jetta Under Dash Fuse and relay Box Details
| No. | Amps rating(A) | Protected Components |
|---|---|---|
| 1 | 10A | Heated washer nozzles, glove compartment light, memory seat |
| 2 | 10A | Turn signal system |
| 3 | 5A | Fog light relay, instrument panel dimmer switch |
| 4 | 5A | License plate light |
| 5 | 7.5A | Comfort system, cruise control, Climatronic, A/C, heated seat control modules, day/night dimming mirror, control module and control unit for multi-function steering wheel |
| 6 | 5A | Central locking system |
| 7 | 10A | Back-up lights, speedometer vehicle speed sensor |
| 8 | – | – |
| 9 | 5A | Anti-lock brakes (ABS) |
| 10 | 5A/10A | Engine control module (ECM) |
| 11 | 5A | Instrument cluster, shift lock solenoid |
| 12 | 7.5A | B+ (battery positive voltage) for Data Link Connector (DLC) |
| 13 | 10A | Brake lights |
| 14 | 10A | Interior lights, central locking system |
| 15 | 5A | Instrument cluster, automatic transmission control module (TCM) |
| 16 | 10A | A/C clutch, after-run coolant pump |
| 17 | – | – |
| 18 | 10A | High beam right |
| 19 | 10A | High beam left |
| 20 | 15A | Low beam right |
| 21 | 15A | Low beam left |
| 22 | 5A | Parking and side marker lights, right |
| 23 | 5A | Parking and side marker lights, left |
| 24 | 20A | Front wiper motor, washer pump |
| 25 | 25A | Fresh air blower, Climatronic, A/C |
| 26 | 25A | Rear window defogger |
| 27 | 15A | Rear wiper motor |
| 28 | 15A | Fuel pump, gasoline |
| 29 | 10A/15A | Engine control module (ECM) |
| 30 | 20A | Sunroof control module |
| 31 | 20A | Automatic transmission control module |
| 32 | 10A/15A | Fuel Injectors (gasoline) ECM (diesel) |
| 33 | 20A | Headlight washer system |
| 34 | 10A | Engine control elements |
| 35 | 30A | 12V power outlet (in luggage comp.) |
| 36 | 15A | Fog lights |
| 37 | 10A | Radio terminal 86S, instrument cluster |
| 38 | 15A | Central locking system (with power windows) luggage compartment light, remote fuel tank door, rear lid unlock |
| 39 | 15A | Emergency flashers |
| 40 | 20A | Dual tone horn |
| 41 | 15A | Cigarette lighter |
| 42 | 25A | Radio system |
| 43 | 10A | Engine control elements |
| 44 | 15A | Heated seats |
Relays
The relay panel is located under the left side of the instrument panel.
| No. | Amps Rating(A) | Protected Component |
|---|---|---|
| I | Dual horn relay | |
| II | Load reduction relay | |
| III | – | |
| IV | Fuel pump relay | |
| V, VI | Wiper/Washer intermittent relay | |
| 1 | – | |
| 2 | Rear lid remote unlock motor relay | |
| 3 | Anti-thett starter lock relay (clutch pedal switch) | |
| 4 | Fog light relay | |
| 5 | Multi-function steering wheel relay | |
| 6 | Multi-function steering wheel relay | |
| 7 | Daytime running lights (from April 1999) | |
| 8 | Daytime running lights (through March 1999) | |
| 9 | – | |
| 10 | Glow plug relay | |
| 11 | Park/Neutral position relay | |
| 12 | Power supply (terminal 30b, B+) relay | |
| 13 | – | |
| A | Power (Memory) seat circuit breaker | |
| B | – | |
| C | Power windows, central locking, heated power mirrors | |
| D | – | |
| E | – | |
| F | 15A | Central locking, anti-theft warning |
| G | 15A | Central locking, anti-theft warning |
2003 Volkswagen Jetta Under Hood Fuse and Relay box location
The main fuse box located on top of the battery in the engine compartment. It contains special fuses for high current applications and prevents the main wiring harness in the event of a short circuit. To access these fuses, squeeze tabs of plastic fuse cover and pull upward.
2003 Volkswagen Jetta Under Hood Fuse Box Layout
2003 Volkswagen Jetta Under Hood Fuse and relay Box Diagram
2003 Volkswagen Jetta Under Hood Fuse and relay Box Details
| No. | Amps Rating(A) | Protected Components |
|---|---|---|
| S162 | 50A | Secondary air injection relay or coolant pre-heating relays |
| S163 | 50A | Fuel pump relay or glow plug relay |
| S164 | 40A | Coolant fan and control module |
| S176 | 110A | Interior relay panel |
| S177 | 110A/150A | Generator |
| S178 | 30A | ABS-hydraulic pump |
| S179 | 30A | ABS |
| S180 | 30A | Coolant fan |
WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.
