A8 Quattro Sedan V8-4.2L (AUX) (2001)
Radio/Stereo: Diagram Information and Instructions
How to Read Displayed Page of Wiring Diagram
How To Read Wiring Diagram
1
Arrow
Indicates wiring circuit is continued on the previous and/or next diagram section.
2
Fuse Designation
Example: S15 = Fuse number 15, 10 amps, in fuse/relay panel.
3
Test Points On Fuse/Relay Panel
4
Test Points Used During Troubleshooting
Numbers in black circles may be found in a regular wiring diagram or in a wiring diagram included with troubleshooting.
5
Wire Cross-section Size And Wire Color Code
Wire size is in mm.sq, for wire size conversion to American Wire Gauge (AWG), see Wire Size Conversion Chart.
Wire color codes are explained in Wire Color Code Identification.
6
Component Designation (code)
Use diagram article to identify the component code.
For example: G39 = Heated Oxygen Sensor