Wiring Diagram AUDI A6 2001 - Battery - heater control unit
| A | Battery |
| G18 | Temperature sensor |
| J162 | Heater control unit |
| J248 | Diesel direct injection system control unit |
| Q8 | Glow plug with flame monitor |
| S24 | Heater overheating fuse |
| S62 | Auxiliary heater fuse |
| T2at | 2-pin connector, black, on auxiliary heater control unit |
| T6z | 6-pin connector, on auxiliary heater control unit |
| T10n | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| T15m | 15-pin connector, white, connector point, A pillar, left |
| T15u | 15-pin connector, red, connector point, electronics box, plenum chamber |
| V6 | Combustion air blower |
| V54 | Metering pump |
| V55 | Recirculating pump |
| 1 | Earth strap, battery - body |
| 44 | Earth point, lower part of left A pillar |
| L51 | Positive (+) connection -1-, in auxiliary heater wiring harness |
| * | Models with V6 TDI engine |
| ** | On electronics box, plenum chamber |
Wiring Diagram AUDI A6 2001 - Control and display unit for air conditioner - solar cell isolation relay - solar roof
| C20 | Solar cells |
| E87 | Control and display unit for air conditioner |
| J126 | Fresh air blower control unit |
| J309 | Solar cell isolation relay |
| J347 | Ultra-sonic sensor control unit |
| J355 | Solar operation control unit |
| S15 | Fuse in fuse box |
| T2d | 2-pin connector, blue, connector point, A pillar, left |
| T17 | 17-pin connector, orange, connector point, A pillar, right |
| V2 | Fresh air blower |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 199 | Earth connection -3-, in dash panel wiring harness |
| A1 | Positive (+) connection (30a), in dash panel wiring harness |
| A52 | Positive (+) connection 2 (30), in dash panel wiring harness |
| L2 | Connection, in air conditioner wiring harness |
| L10 | Connection -2-, in air conditioner wiring harness |
| * | Models with solar roof |
| ** | Models without solar roof |
| *** | Models with anti-theft alarm system |
| # | Both possible |
Wiring Diagram AUDI A6 2001 - Control and display unit for air conditioner - solar cells isolation relay 2
| D | Ignition/starter switch |
| E87 | Control and display unit for air conditioner |
| J8 | Auxiliary heater relay |
| J354 | Solar cells isolation relay 2 |
| S5 | Fuse in fuse box |
| S225 | Fuse 25 in fuse box |
| S226 | Fuse 26 in fuse box |
| S244 | Fuse 44 in fuse box |
| T15m | 15-pin connector, white, connector point, A pillar, left |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 199 | Earth connection -3-, in dash panel wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A78 | Connection (30a, S244), in dash panel wiring harness |
| L4 | Connection (75 al), in air conditioner wiring harness |
| * | Models with solar roof |
| ** | Models without solar roof |
| *** | Both possible |
Wiring Diagram AUDI A6 2001 - Dash panel insert - function selection switch II in centre console
| E272 | Function selection switch II, in centre console |
| J218 | Combi-processor in dash panel insert |
| K | Diagnosis connection |
| T15m | 15-pin connector, white, connector point, A pillar, left |
| T16a | 16-pin connector, diagnosis connection |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| T32c | 32-pin connector, grey, on dash panel insert |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A19 | Connection (58s), in dash panel wiring harness (switch illumination) |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| * | Auxiliary heater with radio-operated remote control |
Wiring Diagram AUDI A6 2001 - Auxiliary heating radio wave receiver - radio/telephone/auxiliary heater aerial
| R | Radio |
| R1 | Aerial connection |
| R36 | Telephone transmitter and receiver unit |
| R46 | Frequency divider for two-way radio, radio system and telephone |
| R51 | Radio/telephone/auxiliary heater aerial |
| R64 | Auxiliary heating radio wave receiver |
| T15m | 15-pin connector, white, connector point, A pillar, left |
| 44 | Earth point, lower part of left A-pillar |
| * | Models without rear insulated window and no telephone/mobile phone |
| ** | Models with rear insulated window and with telephone / mobile phone |
| *** | Auxiliary heater with radio-operated remote control |
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