Wiring Diagram AUDI TT 2001 - Control and display unit for air conditioner - coolant temperature warning switch - air conditioner pressure switch - high pressure sender
| D | Ignition/starter switch |
| E1 | Lighting switch |
| E87 | Control and display unit for air conditioner |
| G65 | High pressure sender |
| S3 | Fuse in fuse box |
| S4 | Fuse in fuse box |
| S5 | Fuse in fuse box |
| T12a | 12-pin connector, behind dash panel, right |
| T17 | 17-pin connector, behind dash panel, right, to air conditioner wiring harness |
| 188 | Earth connection -3-, in air conditioner wiring harness |
| 249 | Earth connection -2-, in interior wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A37 | Connection (58a), in dash panel wiring harness |
| B135 | Connection (15a), in interior wiring harness |
Wiring Diagram AUDI TT 2001 - Control and display unit for air conditioner - combi-processor in dash panel insert
| E1 | Lighting switch |
| E87 | Control and display unit for air conditioner |
| G106 | Ambient temperature indicator |
| J218 | Combi-processor in dash panel insert |
| T12a | 12-pin connector, behind dash panel, right |
| T16 | 16-pin connector, black, under shelf on driver's side (diagnosis connection) |
| T17 | 17-pin connector, behind dash panel, right, to air conditioner wiring harness |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 249 | Earth connection -2-, in interior wiring harness |
| A19 | Connection (58s), in dash panel wiring harness (switch illumination) |
| A27 | Connection (speed signal), in dash panel wiring harness, near micro-central electrics |
| A45 | Connection (engine speed signal), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A116 | Connection -2- (58d), in dash panel wiring harness |
| B145 | Positive (+) connection (58s), in interior wiring harness |
Wiring Diagram AUDI TT 2001 - Control and display unit for air conditioner - control motors for temperature flap - central flap and air flow flap
| E87 | Control and display unit for air conditioner |
| G92 | Temperature flap control motor potentiometer |
| G112 | Central flap control motor potentiometer |
| G113 | Air flow flap control motor potentiometer |
| J220 | Motronic control unit |
| T10x | 10-pin connector, orange, in plenum chamber |
| T17 | 17-pin connector, behind dash panel, right, to air conditioner wiring harness |
| V68 | Temperature flap control motor |
| V70 | Central flap control motor |
| V71 | Air flow flap control motor |
| 97 | Earth connection -1-, in air conditioner wiring harness |
| L31 | Connection (5V), in air conditioner wiring harness |
Wiring Diagram AUDI TT 2001 - Control and display unit for air conditioner - footwell/defroster flap control motor - ambient temperature sensor and fresh air intake duct temperature sensor - sunlight penetration photosensor
| E87 | Control and display unit for air conditioner |
| G17 | Ambient temperature sensor |
| G89 | Fresh air intake duct temperature sensor |
| G107 | Sunlight penetration photosensor |
| G114 | Control motor potentiometer, footwell/defroster flap |
| G192 | Vent temperature sender, footwell |
| T12a | 12-pin connector, behind dash panel, right |
| T17 | 17-pin connector, behind dash panel, right, to air conditioner wiring harness |
| V85 | Footwell/defroster flap control motor |
| 97 | Earth connection -1-, in air conditioner wiring harness |
| 112 | Earth connection -2-, in air conditioner wiring harness |
| L31 | Connection (5V), in air conditioner wiring harness |
Wiring Diagram AUDI TT 2001 - Control and display unit for air conditioner - fresh air blower control unit - fresh air blower
| E87 | Control and display unit for air conditioner |
| J126 | Fresh air blower control unit |
| S225 | Fuse in fuse box |
| T12a | 12-pin connector, behind dash panel, right |
| T17 | 17-pin connector, behind dash panel, right, to air conditioner wiring harness |
| V2 | Fresh air blower |
| 44 | Earth point, lower part of left A-pillar |
| L2 | Connection, in air conditioner wiring harness |
| L59 | Positive (+) connection (30), in heater unit wiring harness |
Wiring Diagram AUDI TT 2001 - Radiator fan control unit - fuses
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J218 | Combi-processor in dash panel insert |
| J220 | Motronic control unit |
| J293 | Radiator fan control unit |
| S133 | Fuse 3 |
| S138 | Fuse 5 |
| S164 | Fuse -3- (30), in battery fuse box |
| T3e | 3-pin connector, black, on main fuse box/battery |
| T4b | 4-pin connector, in engine compartment, left |
| T4f | 4-pin connector, connector B on J293 |
| T10a | 10-pin connector, white, in plenum chamber |
| T14b | 14-pin connector, connector A on J293 |
| T32a | 32-pin connector, green, on dash panel insert |
| 2 | Earth strap, gearbox - body |
| 12 | Earth point, in engine compartment, left |
| A68 | Connection (30, air conditioner), in dash panel wiring harness |
Wiring Diagram AUDI TT 2001 - Radiator fan control unit and thermo-switches - radiator fan
| F18 | Radiator fan thermo-switch |
| F54 | Radiator fan thermo-switch |
| J293 | Radiator fan control unit |
| S16 | Fuse in fuse box |
| T4f | 4-pin connector, connector B on J293 |
| T14b | 14-pin connector, connector A on J293 |
| V7 | Radiator fan |
| V177 | Radiator fan -2- |
| 188 | Earth connection -3-, in air conditioner wiring harness |
| A68 | Connection (30, air conditioner), in dash panel wiring harness |
| A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
| B156 | Positive (+) connection -4- (30), in interior wiring harness |
| L26 | Connection (radiator fan), in engine compartment - Climatronic wiring harness |
| L43 | Connection (radiator fan), in air conditioner/radiator fan wiring harness |
Wiring Diagram AUDI TT 2001 - Radiator fan control unit - air conditioning system magnetic coupling - continued circulation of coolant pump
| J293 | Radiator fan control unit |
| N25 | Air conditioning system magnetic coupling |
| T2g | 2-pin connector, near compressor |
| T4b | 4-pin connector, in engine compartment, left |
| T10a | 10-pin connector, white, in plenum chamber |
| T10x | 10-pin connector, orange, in plenum chamber |
| T14b | 14-pin connector, connector A on J293 |
| T14i | 14-pin connector, in engine compartment, left |
| V51 | Continued circulation of coolant pump |
| 12 | Earth point, in engine compartment, left |
| 188 | Earth connection -3-, in air conditioner wiring harness |
| L39 | Connection (air conditioner pressure switch) -1-, in Climatronic wiring harness |
| L40 | Connection (air conditioner pressure switch) -2-, in Climatronic wiring harness |
| * | Only models with 165 kW engine, BAM |
| ** | Only models with 132 kW engine, ARY, AUQ |
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