Wiring Diagram AUDI TT 1999 - Central locking control unit - fuses - anti-theft alarm ultra-sonic sensor
| D | Ignition/starter switch |
| F255 | Hardtop detector switch |
| G209 | Anti-theft alarm ultra-sonic sensor |
| J429 | Central locking control unit |
| K | Diagnosis connection |
| R47 | Central locking and anti-theft alarm system aerial |
| S6 | Fuse in fuse box |
| S14 | Fuse in fuse box |
| S238 | Fuse in fuse box |
| S242 | Fuse in fuse box |
| T6o | 6-pin connector, connection for convertible top/hardtop, right |
| T16 | 16-pin connector, black, shelf in centre console (diagnosis connection) |
| 202 | Earth connection, in convertible top wiring harness |
| 279 | Earth connection -5-, in interior wiring harness, behind dash panel |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A46 | Positive (+) connection (30 - from radio), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| B150 | Positive (+) connection -2- (30a), in interior wiring harness |
| * | Does not apply to models for Great Britain |
| ** | Applies to models for Great Britain only |
Wiring Diagram AUDI TT 1999 - Central locking control unit - lock cylinder switch driver's door
| F2 | Door contact switch, driver's side |
| F131 | Central locking actuator, front left |
| F241 | Contact switch in lock cylinder, driver's side |
| F243 | Central locking actuator (Safe), driver's door |
| J218 | Combi-processor in dash panel insert |
| J429 | Central locking control unit |
| T10d | 10-pin connector, brown, connector carrier, A pillar, left |
| T32 | 32-pin connector, blue, on dash panel insert |
| V14 | Window lifter motor, left |
| V56 | Central locking motor, driver's door |
| V161 | Central locking motor (Safe), driver's door |
| 205 | Earth connection, in door wiring harness - driver's side |
| B154 | Connection -1- (DC), in interior wiring harness |
| R2 | Connection (door contact switch, left), in door wiring harness - driver's side |
Wiring Diagram AUDI TT 1999 - Central locking control unit - lock cylinder switch front passenger's door
| F3 | Door contact switch, front passenger's side |
| F133 | Central locking actuator, front right |
| F242 | Contact switch in lock cylinder, front passenger's side |
| F244 | Central locking actuator (Safe), front passenger's door |
| J429 | Central locking control unit |
| T10f | 10-pin connector, brown, connector carrier, A pillar, right |
| V15 | Window lifter motor, right |
| V57 | Central locking motor, front passenger's door |
| V162 | Central locking motor (Safe), front passenger's door |
| 206 | Earth connection, in door wiring harness - front passenger's side |
| R1 | Connection (door contact switch, right), in door wiring harness - front passenger's side |
Wiring Diagram AUDI TT 1999 - Central locking control unit - remote control switches for boot lid/tailgate and tank filler flap
| E188 | Boot lid/tailgate remote control switch |
| E204 | Tank filler flap remote release switch |
| F120 | Anti-theft alarm system contact switch, bonnet |
| H8 | Anti-theft alarm system horn |
| J218 | Combi-processor in dash panel insert |
| J234 | Airbag control unit |
| J429 | Central locking control unit |
| L104 | Remote release switch illumination |
| R | Radio |
| T1 | single connector, brown, on radio |
| T32 | 32-pin connector, blue, on dash panel insert |
| V151 | Tailgate/boot lid remote release control motor |
| V155 | Tank filler flap release motor |
| 238 | Earth connection -1-, in interior wiring harness, near luggage compartment light |
| 279 | Earth connection -5-, in interior wiring harness, behind dash panel |
| 285 | Earth connection -7-, in interior wiring harness |
| A112 | Connection (cab lock), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| * | Does not apply to models for Great Britain |
| ** | Applies to models for Great Britain only |
Wiring Diagram AUDI TT 1999 - Central locking control unit - interior locking switch - interior monitor switch - luggage compartment light
| E3 | Hazard warning light switch |
| E150 | Interior locking switch |
| E183 | Interior monitor switch |
| J218 | Combi-processor in dash panel insert |
| J429 | Central locking control unit |
| K98 | Convertible top latched warning lamp |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| V175 | Central locking motor, storage compartment |
| V176 | Central locking motor, CD changer compartment |
| W3 | Luggage compartment light |
| 238 | Earth connection -1-, in interior wiring harness, near luggage compartment light |
| 279 | Earth connection -5-, in interior wiring harness, behind dash panel |
Wiring Diagram AUDI TT 1999 - Central locking control unit - door warning lamp - left - door warning lamp - right
| D | Ignition/starter switch |
| F9 | Handbrake warning switch |
| F218 | Tailgate/boot lid central locking switch |
| J218 | Combi-processor in dash panel insert |
| J429 | Central locking control unit |
| M27 | Door warning lamp, left |
| M28 | Door warning lamp, right |
| S237 | Fuse in fuse box |
| T10d | 10-pin connector, brown, connector carrier, A pillar, left |
| T10f | 10-pin connector, brown, connector carrier, A pillar, right |
| T32 | 32-pin connector, blue, on dash panel insert |
| 277 | Earth connection -3-, in interior wiring harness, behind dash panel |
| 285 | Earth connection -7-, in interior wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness, near micro-central electrics |
| A115 | Connection (handbrake warning), in dash panel wiring harness |
| B111 | Positive (+) connection -1- (30a), in interior wiring harness, near light switch |
Wiring Diagram AUDI TT 1999 - Central locking control unit - interior light - reading lights - illuminated make-up mirrors
| F147 | Make-up mirror contact switch, driver's side |
| F148 | Make-up mirror contact switch, front passenger's side |
| J218 | Combi-processor in dash panel insert |
| J429 | Central locking control unit |
| T32 | 32-pin connector, blue, on dash panel insert |
| W | Interior light, front |
| W13 | Reading light, front passenger's side |
| W14 | Illuminated make-up mirror, front passenger's side |
| W19 | Reading light, driver's side |
| W20 | Illuminated make-up mirror, driver's side |
| 128 | Earth connection -1-, in interior light wiring harness, near interior light |
| 279 | Earth connection -5-, in interior wiring harness, behind dash panel |
| 285 | Earth connection -7-, in interior wiring harness |
| B116 | Connection (58s), in interior wiring harness |
| B145 | Positive (+) connection (58s), in interior wiring harness |
| B151 | Positive (+) connection -3- (30a), in interior wiring harness, near interior light |
Wiring Diagram AUDI TT 1999 - Central locking control unit
| E40 | Window lifter switch, front left |
| E41 | Window lifter switch, front right |
| E107 | Window lifter switch, in front passenger's door |
| F254 | Convertible top cover is fitted contact switch, left |
| F267 | Convertible top cover is fitted contact switch, right |
| J429 | Central locking control unit |
| T10l | 10-pin connector, red, connector carrier, A pillar, left |
| T10m | 10-pin connector, red, connector carrier, A pillar, right |
| V14 | Window lifter motor, left |
| V15 | Window lifter motor, right |
| 279 | Earth connection -5-, in interior wiring harness, behind dash panel |
| A107 | Connection (convenience locking), in dash panel wiring harness |
| B126 | Connection (87, window lifter control unit), in interior wiring harness |
| B161 | Connection (ATA), in interior wiring harness |
Wiring Diagram AUDI TT 1999 - Convertible top - heated rear window
| D | Ignition/starter switch |
| E15 | Heated rear window switch |
| F171 | Convertible top stowed switch |
| J9 | Heated rear window relay |
| J29 | Diode |
| J429 | Central locking control unit |
| T6n | 6-pin connector, connection for convertible top/hardtop, left |
| T6o | 6-pin connector, connection for convertible top/hardtop, right |
| Z1 | Heated rear window |
| 238 | Earth connection -1-, in interior wiring harness, near luggage compartment light |
| 249 | Earth connection -2-, in interior wiring harness |
| 279 | Earth connection -5-, in interior wiring harness, behind dash panel |
| 284 | Earth connection -6-, in interior wiring harness |
| A112 | Connection (cab lock), in dash panel wiring harness |
| B138 | Positive (+) connection (X), in interior wiring harness, near micro-central electrics |
| Q49 | Connection (closed), in interior wiring harness |
| * | Convertible top |
| ** | Hardtop |
Wiring Diagram AUDI TT 1999 - Convertible top
| E87 | Control and display unit for air conditioner |
| E137 | Convertible top switch |
| F172 | Convertible top front latch switch |
| F205 | Convertible top released switch |
| F255 | Hardtop detector switch |
| J321 | Hydraulic pump relay, convertible top operation |
| J429 | Central locking control unit |
| L72 | Convertible top operating switch illumination |
| N272 | Power operated convertible top valve 1 |
| S67 | Convertible top operation fuse |
| V118 | Convertible top operation hydraulic pump |
| 50 | Earth point, on left luggage compartment |
| 128 | Earth connection -1-, in interior light wiring harness, near interior light |
| 279 | Earth connection -5-, in interior wiring harness, behind dash panel |
| 285 | Earth connection -7-, in interior wiring harness |
| Q48 | Connection (open), in interior wiring harness |
Wiring Diagram AUDI TT 1999 - Wind deflector
| E278 | Wind deflector switch |
| J531 | Wind deflector control unit |
| S227 | Fuse in fuse box |
| V186 | Wind deflector motor |
| 279 | Earth connection -5-, in interior wiring harness, behind dash panel |
| A80 | Connection -1- (X), in dash panel wiring harness |
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