Audi A4 1998 - 1998 ELECTRICAL Fuses & Circuit Breakers - A4, A4 Quattro, A4 Avant, A4 Avant Quattro
Audi A4 1998 - FUSES FUSE PANEL LOCATION
Fuse panel is located behind trim panel on far left side of dashboard. See Fig. 1.
Fig. 1: Audi A4 1998 - Component Locations - Locating Fuse Panel
Audi A4 1998 - FUSE COLOR IDENTIFICATION
Audi A4 1998 FUSE COLOR/AMP RATING
Fuse Color Amp Rating Blue 15 Green 30 Light Brown 5 Red 10 Transparent (White) 25 Yellow 20
Audi A4 1998 - FUSE PANEL IDENTIFICATION
For fuse position within panel, see Fig. 2. For fuse position number, amp rating and description of circuits protected, see FUSE IDENTIFICATION (FUSE PANEL) table.
Fig. 2: Audi A4 1998 - Component Locations - Identifying Fuse Panel Fuses
NOTE: Fuses 23 through 44 may be designated in wiring diagrams with a prefix of 2. For example, fuse No. 29 may be labeled as 229. Fuse No. 43 may be labeled as 243.
Audi A4 1998 FUSE IDENTIFICATION (FUSE PANEL)
Fuse No. Amp Rating Circuits Protected 1 5 Washer Nozzle Heaters 2 (1) 5 Emergency Flasher Switch 3 (2) 5 Glove Compartment Light 4 5 License Plate Light 5 (1) 5 Data Link Connector, Mirror Adjustment Switch, Radio, Rear Lamp Control Module Relay, Mirror Adjustment Switch, Heated Seat (Driver's & Passenger's) 6 (1) 5 Central Locking System Control Module, Alarm System, Interior Light Delay Control Module, Door Lock Switch 7 (1) 10 ABS 8 (1) 5 Telephone Transceiver 9 10 Outside Temperature Display, Transmission Range Selector Lever Display, Heated Mirrors 10 N/A Vacant 11 N/A Vacant 12 (3) 10 Data Link Connector 13 10 Brake Light Switch 14 (3) 10 Central Locking, Alarm System, Interior Light Delay Control Module, Reading Lights, Vanity Mirror Lights, Front Interior Light, Door Warning Light Control Module 15 10 Instrument Cluster Combination Processor 16 N/A Vacant 17 10 Heated Door Locks 18 10 High Beam Indicator Light, Headlight (Right) 19 10 Headlight (Left), Fog Light Relay 20 10 Headlight (Right) 21 10 Headlight (Left) 22 5 Tail Light (Right), Parking Light (Right), Instrument Cluster Combination Processor 23 5 Tail Light (Left), Parking Light (Left), Instrument Cluster Combination Processor 24 25 Windshield Wiper Intermittent Switch & Relay 25 30 A/C Control Head 26 30 Rear Window Defogger 27 15 Rear Window Wiper Pump 28 15 Fuel Pump 29 20 Engine Control Module 30 20 Power Sunroof Control Module 31 15 Back-Up Light, Motronic Engine Control Module, Mass Air Flow (MAF) Sensor, Automatic Day/Night Interior Mirror, Shift Lock Solenoid, Multi-Function Transmission Range (TR) Switch, TR Selector Lever Display, Cruise Control Switch 32 20 Engine Control Module 33 15 Cigarette Lighter 34 1.8 L (ABE) 10 Fuel Injector 2.8 L (AHA) 15 Fuel Injector 35 N/A Vacant 36 15 Front & Rear Fog Light Switch 37 (3) 20 Radio, Amplifier, Speakers, Telephone Receiver 38 (3) A4 15 Central Locking, Alarm System, Interior Light Delay Control Module, Ultra-Sound Control Module, Door Warning Light, Interior Monitor Switch, Door Lock Switch A4 Avant 15 Central Locking, Alarm System, Interior Light Delay Control Module, Interior Light (Front), Trunk Lid Alarm Switch, Ultra-Sound Control Module, Door Warning Light, Rear Fog Light 39 (3) 15 Emergency Flasher Switch 40 25 Horn 41 N/A Vacant 42 N/A Vacant 43 N/A Vacant 44 (3) 30 Heated Seat (Driver's & Passenger's)
(1) Ignition powered.
(2) On vehicles with Tiptronic transmission, fuse amperage rating is 15 amps, and protects selector lever light relay.
(3) Battery powered.
Audi A4 1998 - RELAYS THREE-WAY RELAY CARRIER
For fuse and relay positions within carrier, see Fig. 3. For relay number, position number and circuits protected, see RELAY IDENTIFICATION (THREE-WAY RELAY CARRIER) table.
NOTE: Three-way relay carrier is located in E-box, in left rear corner of engine compartment.
Fig. 3: Audi A4 1998 - Component Locations - Identifying Three-Way Relay Carrier Components
Audi A4 1998 RELAY IDENTIFICATION (THREE-WAY RELAY CARRIER)
Position Relay No. Circuit Protected 1 N/A Not Used 2 J316 Secondary Air Injector (AIR) 3 N/A Not Used
Audi A4 1998 FUSE IDENTIFICATION (THREE-WAY RELAY CARRIER)
Position No. Fuse No. Amp Rating Circuit Protected 4 N/A N/A Vacant 5 N/A N/A Vacant 6 N/A N/A Vacant 7 S130 50 Secondary Air Pump 8 N/A N/A Vacant 9 N/A N/A Vacant
Audi A4 1998 - EIGHT-WAY RELAY CARRIER
For fuse and relay positions within carrier, see Fig. 4. For relay number, position number and circuits protected, see RELAY IDENTIFICATION (EIGHT-WAY RELAY CARRIER) table. For fuse number, amp rating number position and description of circuits protected, see FUSE IDENTIFICATION (EIGHT-WAY RELAY CARRIER)table.
NOTE: Eight-way relay carrier is located in driver's side footwell, behind trim panel.
Fig. 4: Audi A4 1998 - Component Locations - Identifying Eight-Way Relay Carrier Components
Audi A4 1998 RELAY IDENTIFICATION (EIGHT-WAY RELAY CARRIER)(1)
Position No. Relay No. Circuit Protected 1 N/A Not Used 2 J101 Second Speed Coolant Fan Control 3 J26 Coolant Fan Control 4 N/A Not Used 5 J452 Door Warning Lights Control Module 6 N/A Not Used 7 N/A Not Used 8 N/A Not Used
(1) Positions 9-14 manufacturer left intentionally blank.
Audi A4 1998 FUSE IDENTIFICATION (EIGHT-WAY RELAY CARRIER)
Position No. Fuse No. Amp Rating Circuit Protected 15 N/A N/A Not Used 16 S44 30 Power Seat Memory Circuit Breaker 17 N/A N/A Not Used 18 A4 S53 60 ABS Hydraulic Pump Quattro S53 50 ABS Hydraulic Pump 19 S42 40 Coolant Fan 20 N/A N/A Not Used 21 S51 5 Radiator Fan Relay Coil 22 S43 30 Power Window (Rear) 23 S37 30 Power Window (Front) 24 N/A N/A Not Used
Audi A4 1998 - THIRTEEN-WAY RELAY CARRIER
For relay position within carrier, see Fig. 5. For relay number, position number and circuits protected, see RELAY IDENTIFICATION (THIRTEEN-WAY RELAY CARRIER) table.
NOTE: Thirteen-way relay carrier is located in driver's side footwell, behind trim panel.
Fig. 5: Audi A4 1998 - Component Locations - Identifying Thirteen-Way Relay Carrier Components
Audi A4 1998 RELAY IDENTIFICATION (THIRTEEN-WAY RELAY CARRIER)
Position No. Relay No. Circuit Protected 1 N/A Not Used 2 N/A Not Used 3 N/A Not Used 4 J124 Rear Lamp Control Module 5 J124 Rear Lamp Control Module 6 N/A Not Used 7 J5 Fog Light 8 J90 Daytime Running Lights On Switch 9 J336 Driving Light 10 N/A Not Used 11 N/A Not Used 12 N/A Not Used 13 (1) J226 Park/Neutral Position (2) J44 A/C Clutch
(1) On vehicles with Tiptronic transmission, relay number is "J60", and protects starter interlock alarm system.
(2) Relay is installed in any free position, and is not allocated any specific position within 13-way relay carrier.
Audi A4 1998 FUSE IDENTIFICATION (THIRTEEN-WAY RELAY CARRIER)
Position No. Fuse No. Amp Rating Circuit Protected 14 N/A N/A Not Used 15 N/A N/A Not Used 16 N/A N/A Not Used 17 S130 50 Secondary Air Pump 18 N/A N/A Not Used
Audi A4 1998 - MICRO CENTRAL ELECTRIC PANEL
For relay position within panel, see Fig. 6. For relay number, position number and circuits protected, see MICRO CENTRAL ELECTRIC PANEL IDENTIFICATION table.
NOTE: Micro central electric panel is located in driver's side footwell, behind trim panel.
Fig. 6: Audi A4 1998 - Component Locations - Identifying Micro Central Electric Components
Audi A4 1998 MICRO CENTRAL ELECTRIC IDENTIFICATION
Position No. Relay No. Circuit Protected 1 J4 Dual Horn 2 J59 Load Reduction 3 N/A Not Used 4 J17 Fuel Pump 5 J31 Washer/Wiper Intermittent 6 J31 Washer/Wiper Intermittent