Hood Switch, High Tone Horn, Low Tone Horn, Horn Relay F266 - Hood Switch
- H2 - High tone signal
- H7 - Low tone signal
- J413 - Horn relay
- J519 - On-board power supply control unit
- ST2 - Fuse Box 2
- ST3 - Fuse Box 3
- SC6 - Fuse 6 in fuse box C
- SC7 - Fuse 7 in fuse box C
- T2S - Connector, 2-pin
- T17l - Connector, 17-pin
- T17q - Connector, 17-pin, in the junction block
- T17r - Connector, 17-pin, in the switching block
- T32b - Connector, 32-pin
- 366 - Ground connection 1 in main wiring harness
- 368 - Ground connection 3 in main wiring harness
- 638 - Ground connection point on right A-pillar
- 639 - Ground connection point on left A-pillar
- 8474 - Connection 10 in the main wiring harness
- * - gradual phase-out
- *2 - see current fuse box diagram
- *3 - see current electrical diagram for engine
- *4 - wire color depends on the configuration
- *5 - Section size depends on the configuration
- *6 - gradual implementation.
| ws | white | sw | black |
| ro | red | rt | red |
| br | brown | gn | green |
| bl | blue | gr | grey |
| li | purple | vi | purple |
| ge | yellow | or | orange |
| rs | pink |
(The original publication in its entirety is posted on the website: AudiManual)