Operation CHARM: Car repair manuals for everyone.
Home >> Audi >> 2004 >> S4 Quattro Sedan (8E2) V8-4.2L (BHF) >> Repair and Diagnosis >> Diagrams >> Connector Views >> Navigation System
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Navigation System



Navigation System With CD Drive Control Module J401, Multi-pin Connector Assignments

Navigation System with CD Drive Control Module J401, rear view







1. Connection for Navigation System Antenna R50
2. Retainer for antenna connection
3. Multi-pin connector I, 20-pin
4. Fuse
5. Multi-pin connector II, 8-pin, brown
6. Multi-pin connector III, 8-pin, black
7. Multi-pin connector IV, 10-pin, red

Navigation System with CD Drive Control Module J401, Multi-pin connector assignments

NOTE: Terminals which are not listed are vacant/unassigned.







Multi-pin connector I, 20-pin, black
2. CAN-Bus High (Infotainment)
5. CAN-Bus Low (Infotainment)
13. Low Frequency (LF) (+) to Radio R
14. LF mute to Radio R
15. LF (-) to Radio R
16. LF (+) from Telephone (where applicable)
17. LF mute - Telephone (where applicable)
18. LF screen from Telephone (where applicable)
19. LF (-) from Telephone (where applicable)







Multi-pin connector III, 8-pin, black
1. Vehicle speed signal
2. Line output from Back-Up Light Switch F4
3. Data Link Connector (DLC)
4. Terminal 15
7. Battery positive (B+) - Terminal 30
8. Ground (GND) - Terminal 31
pro multis · About Operation CHARM