Locating the OBD2 port in your 2000 Volkswagen Jetta is a crucial first step for any car owner wanting to diagnose vehicle issues or perform emissions testing. This port, also known as the Data Link Connector (DLC), allows mechanics and car owners to access the vehicle’s computer system using diagnostic tools. If you’re having trouble connecting your OBD2 scanner to your 2000 Jetta, the first thing to check is the fuse that powers this port.
The fuse responsible for the OBD2 port in a 2000 Jetta is Fuse 12. It’s located in the top section of your Jetta’s fuse box. Sometimes, a seemingly intact fuse can still be faulty, so replacing Fuse 12 is a simple troubleshooting step if your OBD2 scanner isn’t powering up.
To assist you further with your 2000 Jetta’s electrical system, here is a complete MKIV Jetta fuse list for your reference:
MKIV Jetta Fuse List
Top Section (Left to Right, Column by Column)
- Washer nozzle heaters, glove compartment light, memory seat control module (10A)
- Turn signal lights (10A)
- Fog light relay, instrument panel light dimmer switch (5A)
- License plate light (5A)
- Comfort system, cruise control, Climatronic, A/C, heated seat control modules, automatic day/night interior mirror, control module for multi-function steering wheel, control unit in steering wheel (7.5A)
- Central locking system (5A)
- Back-up lights, speedometer vehicle speed sensor (VSS) (10A)
- Open
- Anti-lock brake system (ABS) (5A)
- Engine control module (ECM): gasoline engine (10A); diesel engine, Model Year 2000 > (5A)
- Instrument cluster, shift lock solenoid (5A)
- Data Link Connector (DLC) power supply (7.5A)
- Brake tail lights (10A)
- Interior lights, central locking system (10A)
- Instrument cluster, transmission control module (TCM) (5A)
- A/C clutch, after-run coolant pump (10A)
- Open
- Headlight high beam, right (10A)
- Headlight high beam, left (10A)
- Headlight low beam, right (15A)
- Headlight low beam, left (15A)
- Parking lights right, side marker right (5A)
- Parking lights left, side marker left (5A)
Bottom Section (Left to Right, Column by Column)
- Windshield and rear window washer pump, windshield wiper motor (20A)
- Fresh air blower, Climatronic, A/C (25A)
- Rear window defogger (25A)
- Motor for rear windshield wiper (15A)
- Fuel pump (FP) (15A)
- Engine control module (ECM) gasoline engine (15A); diesel engine (10A)
- Power sunroof control module (20A)
- Transmission control module (TCM) (20A)
- Injectors: gasoline engine (10A); diesel engine (15A)
- Headlight washer system (20A)
- Open
- Engine control elements (10A)
- 12 V power outlet (in luggage compartment) (30A)
- Fog lights (15A)
- Terminal (86S) on radio, Instrument cluster (10A)
- Central locking system (with power windows), luggage compartment light, remote/fuel tank door, motor to unlock rear lid (15A)
- Emergency flashers (15A)
- Dual tone horn (20A)
- Cigarette lighter (15A)
- Radio (25A)
- Engine control elements (10A)
- Heated seats (15A)
Fuse Arrangements in Fuse Bracket/Battery:
- S162. Glow plugs (coolant) (50A)
- S163. Fuel pump (FP) relay/glow plug relay (50A)
- S164. Coolant fan control (FC) control module/coolant fan (40A)
- S176. Relays panel interior (110A)
- S177. Generator (GEN) (90 Amp.) (110A). Generator (GEN) (120 Amp.) (150A)
- S178. ABS (hydraulic pumps) (30A)
- S179. ABS (30A)
- S180. Coolant fan (30A)
By understanding the fuse layout of your 2000 Jetta, you can effectively troubleshoot electrical issues, including problems with your OBD2 port. Always refer to your vehicle’s manual for the most accurate and up-to-date information regarding fuses and their locations.