Audi TT 2002 - 2002 ELECTRICAL Fuses, Circuit Breakers & Relays - TT Coupe & Roadster

Audi TT 2002 - IDENTIFICATION

CAUTION:

Before disconnecting battery, get radio code from customer. When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

For specific fuse and relay panels, see FUSE & RELAY PANELS. For fuse color and amp rating identification, see FUSE COLOR & AMP RATING IDENTIFICATION.

Audi TT 2002 - FUSE & RELAY PANELS

• PASSENGER COMPARTMENT FUSE PANEL.
• MAIN FUSE BOX/BATTERY.
• W-BOX RELAY CARRIER.
• MICRO CENTRAL ELECTRIC PANEL.
• THIRTEEN-WAY RELAY CARRIER.
• CONVERTIBLE TOP HYDRAULIC PUMP RELAY (J321).

Audi TT 2002 - Fuse Color & Amp Rating Identification

Audi TT 2002 FUSE COLOR/AMP RATING

Fuse Color	Amp Rating
Black	1
Lilac	3
Light Brown (Beige)	5
Brown	7.5
Red	10
Blue	15
Yellow	20
Transparent (White)	25
Green	30
Orange	40

Audi TT 2002 - FUSES PASSENGER COMPARTMENT FUSE PANEL

Passenger compartment fuse panel is located behind left side of dashboard. See Fig. 1. For passenger compartment fuse panel, fuse identification, see PASSENGER COMPARTMENT FUSE PANEL. For fuse color/amp identification, see FUSE COLOR & AMP RATING IDENTIFICATION table.

Fig. 1: Audi TT 2002 - Component Locations - Locating Passenger Compartment Fuse Panel

Audi TT 2002 - Passenger Compartment Fuse Panel

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 TT 2002 - Component Locations - Identifying Passenger Compartment Panel Fuses

NOTE:

Fuses 23 through 44 may be designated in wiring diagrams with with a prefix of 2. For example, fuse No. 29 may be labeled as 229. Fuse No. 43 may be labeled as 243.

Audi TT 2002 FUSE IDENTIFICATION (FUSE PANEL)

Fuse No.	Amp Rating	Circuits Protected
1	10	Outside Mirror Heaters, Washer Nozzle Heaters
2 (1)	10	Emergency Flasher Switch
3	5	Light Switch, Fog Light Relay, Glove Compartment Light, A/C Control Head
4	5	License Plate Light
5 (1)	7.5	Brake Vacuum Vent Valve Switch, Clutch Vacuum Vent Valve Switch, A/C Control Head, A/C Pressure Switch, Coolant Fan Control Module, Lamp Control Module, Navigation With CD-Mechanism Control Module, Garage Door Opener Control Head, Garage Door Control Module
6	5	Central Locking System Control Module
7	10	Back Up Light Switch, Emergency Flasher Switch, Data Link Connector, Vehicle Speed Sensor
8	5	Telephone Transceiver
9	5	Steering Angle Sensor, ABS Control Module, Brake light Disable Relay (ESP), ARS/ESP Button (All Wheel Drive),
10	10	Engine Control Module, Power Supply Relay, Central Locking System Control Module
11	5	Digital Clock, Headlight Adjusting Motors, Headlight Adjustment Control Module, Oil Level Thermal Sensor
12 (3)	7.5	Data Link Connector, Navigation With CD-Mechanism Control Module, Telephone Transceiver
13	10	Brake Light Switch, Brake Pedal Switch For Cruise Control
14 (3)	10	Central Locking Control Module, Alarm System, Interior Light Delay Control Module, Warning Lights For Central Locking (SAFE), Switch For Drivers Side Inside Lock, Door Warning Lights, Switch For Unlock Rear Lid,
15	5	Control Module With Indicator Unit In Instrument Cluster, Steering Angle Sensor, Ultra Sound Sensor For Anti Theft Warning, Radar Interior Monitoring Control module No. 1
16	10	Coolant Fan Control Module
17	15	Foglight Relay (Canada), Foglights (Canada)
18	10	High Beam Indicator Light, High Beam Headlight (Right), Foglight Relay (Canada), Foglights (Canada)
19	10	High Beam Headlight (Left)
20	15	Low Beam Headlight (Right), Headlight Dimmer/Flasher Switch, Lamp Control Module, Headlight Adjustment Motors, High Intensity Gas Discharge Lamps
21	15	Low Beam Headlight (Left), Lamp Control Module, Control Module For High Intensity Gas Discharge Lamps, High Intensity Gas Discharge Lamp (Left)
22	5	Tail Light (Right), Parking Light (Right), Lamp Control Module, Instrument Cluster Wiring Harness
23	5	Tail Light (Left), Parking Light (Left), Park Light Indicator, Lamp Control Module, Park Light Switch, Instrument Cluster Wiring Harness
24	20	Windshield Wiper/Washer Intermittent Switch & Relay
25	25	A/C Control Head, A/C Fresh Air Blower
26	20	Rear Window Defogger Switch
27	30	Wind Deflector Control Module, Wind Deflector Switch (Roadster Only)
28	15	Fuel Pump
29	15	Engine Control Module, Power Supply Relay
30	N/A	Vacant
31	5	Control Module For All Wheel Drive, Oil Pressure Positioning Motor For All Wheel Drive
32	10	Fuel Injectors (No. 1 Through 4)
33	20	Wiper/Washer Relay
34	10	Valve No. 1 For Camshaft Adjustment (Engine Codes ATC And AWP), Wastegate Bypass Regulator Valve, Recirculating Valve For Turbocharger, Connector (Over Fuse 34)
35	N/A	Vacant
36	15	Foglight Switch
37	10	Engine Control Module, Central Locking Control Module, Instrument Cluster Wiring Harness
38 (3)	15	Central Locking Control Module
39 (3)	15	Emergency Flasher Switch
40	20	Duel Horn Relay
41	15	Cigarette Lighter
42
Coupe	20	Radio, Radio Amplifier, Left Rear Woofer/Amplifier, Left Rear Tweeter
Roadster	20	Radio, Radio Amplifier, Center Rear Woofer (Stereo Concert), Telephone Transceiver
43	10	HO2 Sensors (All Models), Sensor For Exhaust Temperature (Engine Code AMU), EVAP Canister Purge Valve, EVAP Leak Detection Pump, EVAP Solenoid Valve, Secondary Air Pump Relay, Secondary Air Pump Solenoid Valve
44	15	Adjuster For Heated Seats
(1) Ignition powered. (2) Manual transmission only. (3) Battery powered.

Audi TT 2002 - MAIN FUSE BOX/BATTERY

Main battery fuse box is located under battery, see Fig. 3. For main battery fuse box fuse identification, see MAIN FUSE BOX/BATTERY FUSES. For fuse color/amp identification, see FUSE COLOR & AMP RATING IDENTIFICATION table.

Fig. 3: Audi TT 2002 - Component Locations - Locating Main Battery Fuse Box

Audi TT 2002 - Main Fuse Box/Battery Fuses

Audi TT 2002 MAIN BATTERY BOX - FUSE IDENTIFICATION

Fuse Number	Amp Rating	Circuits Protected
S131, Safety Fuse No. 1	50	Secondary Air Injection Pump Relay
S132, Safety Fuse No. 2	50	Battery Powered Circuits
S133, Safety Fuse No. 3	30	Coolant Fan Control Module
S134, Safety Fuse No. 4	110	Battery Powered Circuits
S138, Safety Fuse No. 5	150	Main Fuse Box/Battery, Power Supply
S162, No. 1 Fuse Bracket (Battery)	30	ABS Control Module
S163, No. 2 Fuse Bracket (Battery)	30	ABS Control Module
S164, No. 3 Fuse Bracket (Battery)	30	Coolant Fan Control Module

Fig. 4: Audi TT 2002 - Component Locations - Identifying Main Fuse Box/Battery Fuse Locations

Audi TT 2002 - RELAYS

NOTE:

Relay carriers, (panels) may also have fuse positions on them.

Audi TT 2002 - W-BOX RELAY CARRIER

For fuse and relay positions within carrier, see Fig. 5. For relay number, position number and circuits protected, see RELAY IDENTIFICATION (W-BOX RELAY CARRIER). For fuse position number, fuse number, amp rating and circuits protected, see FUSE IDENTIFICATION (W-BOX RELAY CARRIER).

NOTE:

W-Box Relay Carrier is in the left rear corner of engine compartment, behind brake fluid reservoir, under cover.

Fig. 5: Audi TT 2002 - Component Locations - Ideating W-Box Relay Carrier Fuses & Relays

Audi TT 2002 - Relay Identification (W-Box Relay Carrier)

Audi TT 2002 RELAY IDENTIFICATION (W-BOX RELAY CARRIER)

Position	Relay No.	Circuit Protected
1	J299	Secondary Air Injector (AIR)
2	J271	Engine Control Module, Power Supply Relay
3	N/A	Not Used

Audi TT 2002 - Fuse Identification (W-Box Relay Carrier)

Audi TT 2002 FUSE IDENTIFICATION (W-BOX RELAY CARRIER)

Position No.	Fuse No.	Amp Rating	Circuit Protected
3	N/A	N/A	Not Used
4	S130	50	Secondary Air Pump
5	N/A	N/A	Not Used
6	N/A	N/A	Not Used
7	N/A	N/A	Not Used

Audi TT 2002 - MICRO CENTRAL ELECTRIC PANEL

For fuse and relay positions within Micro Central Electric Panel, see Fig. 6. For relay number, position number and circuits protected, see RELAY IDENTIFICATION (MICRO CENTRAL ELECTRIC PANEL). For fuse position number, fuse number, amp rating and description of circuits protected, see FUSE IDENTIFICATION (MICRO CENTRAL ELECTRIC PANEL).

NOTE:

Micro Central Electric Panel is in the left rear corner of engine compartment, to the left of brake fluid reservoir, under cover.

Fig. 6: Audi TT 2002 - Component Locations - Identifying Micro Central Electric Panel

Audi TT 2002 - Relay Identification (Micro Central Electric Panel)

Audi TT 2002 RELAY IDENTIFICATION (MICRO CENTRAL ELECTRIC PANEL)

Position No.	Relay No.	Circuit Protected
1	J4	Duel Horn Relay
2	J59	Load Reduction Relay
3	N/A	Not Used
4	J17	Fuel Pump Relay
5	J31	Wiper/Washer Intermittent Relay
6	J31	Wiper/Washer Intermittent Relay

Audi TT 2002 - Fuse Identification (Micro Central Electric Panel)

Audi TT 2002 FUSE IDENTIFICATION (MICRO CENTRAL ELECTRIC PANEL)

Position	Fuse No.	Amp Rating	Circuit Protected
A	S67	30 Amp	Convertible Top
B	N/A	N/A	Not Used
C	S43	30 Amp	Power Windows (1)
(1) Circuit breaker resets itself, check for short circuit.

Audi TT 2002 - THIRTEEN-WAY RELAY CARRIER

For relay position within carrier, see Fig. 7. For relay number, position number and circuits protected, see THIRTEEN-WAY RELAY CARRIER IDENTIFICATION table.

NOTE:

Thirteen-way relay carrier is located in driver's side footwell, behind trim panel.

Fig. 7: Audi TT 2002 - Component Locations - Identifying Thirteen-Way Relay Carrier Relays

Audi TT 2002 - Relay & Fuse Identification (Thirteen-Way Relay Carrier)

Audi TT 2002 RELAY IDENTIFICATION (THIRTEEN-WAY RELAY CARRIER)

Position No.	Relay No.	Circuit Protected
1	N/A	Not Used
2	J123	Lamp Control Module
3	J123	Lamp Control Module
4	J5	Fog Light Relay
5	J207	Starting Interlock Relay
6	N/A	Not Used
7	J508	Brake Light Disable Relay (ESP)
8	N/A	Not Used
9	N/A	Not Used
10	J9	Rear Window Defogger Relay
11	N/A	Not Used
12	N/A	Not Used
13	N/A	Not Used

Audi TT 2002 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	N/A	N/A	Not Used
18	N/A	N/A	Not Used

Audi TT 2002 - CONVERTIBLE TOP HYDRAULIC PUMP RELAY (J321)

Convertible Top Hydraulic Pump Relay (J321) is located behind driver's seat bulkhead, below convertible top storage compartment mounted on side of convertible top hydraulic pump unit.