Wiring Diagram AUDI A4 2007 - Battery - fuses - radiator fan control unit
| A | Battery |
| J271 | Motronic current supply relay |
| J293 | Radiator fan control unit |
| J623 | Engine control unit |
| S4 | Fuse in relay plate fuse holder |
| S42 | Radiator fan single fuse |
| S88 | Strip fuse |
| T10d | 10-pin connector, grey, coupling station on left of A-pillar |
| T17d | 17-pin connector, red, coupling station on electronics box, plenum chamber |
| T94 | 94-pin connector, black |
| 11 | Earth point, in battery box |
| 26 | Earth point, on front apron |
| 500 | Screw connection 1 (30), on relay plate |
| A151 | Connection 4 (87), in dash panel wiring harness |
| D50 | Positive connection (30), in engine compartment wiring harness |
| D101 | Connection 1, in engine compartment wiring harness |
| * | 60 A for radiator fan control - 600 W (countries with hot climate, automatic gearbox or trailer operation) |
| ** | For engine codes BGB, BPG, BPJ, BYK, BUL, BWE, BWT only |
| *** | for engine codes AUK, BKH only |
AUDI A4 2007 Overview of relay
| 1 - | Relay carrier (3-pin) |
| q | Components: -J359-, -J360-, -J608- |
| q | Location → page 803/4 |
| 2 - | Relay carrier (9-pin) with onboard supply control unit |
| q | Components: -J4-, -J9-, -J17-, -J53-, -J59-, -J236-, -J569-, -J695- |
| q | Location up to July 2004 → page 803/5 |
| q | Location from August 2004 → page 803/6 |
| q | Location component -J569- for engine code BNS → page 803/19 |
| q | Location component -J17- for some engine variants ⇒ Item → 5 , page → 803/2 |
| 3 - | Relay carrier (4-pin) with screw connection |
| q | Components: -J662-, -J663-, -J610- |
| q | Location → page 803/7 |
| 4 - | Relay carrier for special vehicles |
| q | Components: -J85-, -J182-, -J330-, -J408-, -J430-, -J461-, -J462-, -J463-, -J608- |
| q | Location → page 803/22 |
| Audi A4 | Fitting Locations | No. 803 / 2 |
| 5 - | Relay carrier (4-pin) |
| q | Components: -J17-, -J52-, -J151-, -J179-, -J207-, -J271-, -J299-, -J317-, -J363-, -J434-, -J496-, -J569-, -J757- |
| q | Location for petrol engines, up to July 2004 → page 803/8 |
| q | Location for diesel engines, up to July 2004 → page 803/9 |
| q | Location for engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD → page 803/10 |
| q | Location for engine codes BSG, BPP, BTP, BKN, ASB → page 803/11 |
| q | Location for engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK → page 803/12 |
| q | Location for engine code ALZ → page 803/13 |
| q | Location for engine code ALT → page 803/14 |
| q | Location for engine code BDG → page 803/15 |
| q | Location for engine codes BFB, BBK, BHF → page 803/16 |
| q | Location for engine code AWA → page 803/17 |
| Audi A4 | Fitting Locations | No. 803 / 3 |
| t | Location for engine codes AUK, BKH → page 803/18 |
| t | Location for engine code BNS → page 803/19 |
| t | Location for engine code BBJ, with manual gearbox or multitronic → page 803/20 |
| t | Location for engine code BBJ with AG5 → page 803/21 |
| Audi A4 | Fitting Locations | No. 803 / 4 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 5 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 6 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 7 |
|
| Audi A4 | Fitting Locations | No. 803 / 8 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 9 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 10 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 11 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 12 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 13 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 14 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 15 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 16 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 17 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 18 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 19 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 20 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 21 |
|
|
| Audi A4 | Fitting Locations | No. 803 / 22 |
|
|



































































