Volkswagen Passat (B4; 1993 – 1996) – fuse and relay box diagram
Year of production: 1993, 1994, 1995, 1996
In this article, we take a look at the third-generation Volkswagen Passat (B4), produced between 1993 and 1996. You will find fuse box diagrams for the 1993–1996 Volkswagen Passat B4, details on the locations of the fuse panels inside the vehicle, and information on the fuse and relay assignments (fuse layout).
Fuse box diagram
Assignment of the fuses in the fuse box
| Fuse | Ampere rating [A] | Circuits protected |
| 1 | 10 | Headlight, low beam, left |
| 2 | 10 | Headlight, low beam, right |
| 3 | 10 | Instrument panel lights, license plate lights |
| 4 | 15 | Rear window wiper (wagon) |
| 5 | 15 | Windshield wiper/washer |
| 6 | 20 | Fresh air fan |
| 7 | 10 | Side marker and taillights, right |
| 8 | 10 | Side marker and taillights, left |
| 9 | 20 | Rear window defogger |
| 10 | — | Open |
| 11 | 10 | Headlight, high beam, left |
| 12 | 10 | Headlight, high beam, right |
| 13 | 10 | Horn |
| 14 | 15 | Back-up lights, heated windshield washer nozzles |
| 15 | 10 | Deceleration fuel cut-off, fuel pump after run |
| 16 | 15 | Instrument cluster lights, glove compartment light |
| 17 | 10 | Emergency flashers |
| 18 | 20 | Fuel pump, oxygen sensor heater |
| 19 | 30 | Radiator cooling fan, A/C relay |
| 20 | 10 | Brake lights |
| 21 | 15 | Interior lights, cigarette lighter, digital clock |
| 22 | 10 | Radio |
Relay location on fuse/relay panel
Assignment of the fuses in relay box
| No. | Description |
| R1 | A/C relay |
| R2 | Rear window wiper (wagon) |
| R3 | Open |
| R4 | Load reduction relay |
| R5 | Low coolant level control unit |
| R6 | Emergency flasher relay |
| R7 | Open |
| R8 | Intermittent wash wipe relay |
| R9 | Seat belt warning system control unit |
| R10 | Open |
| R11 | Horn relay |
| R12 | Fuel pump relay |
| Separate relays above fuse/relay panel | |
| R13 | Back-up light fuse (auto. trans.) |
| R14 | Radiator cooling fan after run control unit |
| R15 | ABS hydraulic pump relay |
| R16 | ABS relay |
| R17 | Open |
| R18 | Open |
| R19 | A/C relay |
| R20 | Starter cut-outback-up light relay |
| R21 | ABS hydraulic pump fuse/power window fuse |
| R22 | ABS valves fuse |
| R23 | Cruise control fuse/automatic shoulder belt system fuse |
| R24 | Open |
Connections and plugs on fuse/relay panel
Assignment of the connection in the fuse/relay panel
| Symbol | Description |
| A1 | Headlight wiring harness (yellow) |
| A2 | Headlight wiring harness (yellow) |
| B | Open |
| C | Headlight wiring harness (yellow) |
| D | Optional equipment wiring harness (green) |
| E | Instrument wiring harness (green) |
| F | Engine compartment wiring harness, right (white) |
| G1 | Engine compartment wiring harness, right (white) |
| G2 | Engine compartment wiring harness, right (white) |
| H1 | Steering column switch wiring harness (red) |
| H2 | Steering column switch wiring harness (red) |
| J | Steering column switch wiring harness (red) |
| K | Rear wiring harness (black) |
| L | Rear wiring harness (black) |
| M | Rear wiring harness (black) |
| N | A/C wiring harness (green) |
| P | Rear window defroster wiring harness (blue) |
| Q | Instrument wiring harness (blue) |
| R | Light switch wiring harness (blue) |
| S | Engine compartment wiring harness, right (white) |
| T | Two-point connector (green) |
| U1 | Instrument cluster wiring harness (blue) |
| U2 | Instrument cluster wiring harness (blue) |
| V | Multi-function indicator wiring hamess (green) |
| W | Six-point connector (green) |
| X | Warning lamp wiring harness (green) |
| Y | Single connector, terminal 30 |
| Z1 | Single connector |
| Z2 | Single connector, terminal 31 |
| 30 | Single connector, terminal 30 |
| 30B | Single connector |
| 31 | Single connector, terminal 31 |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.