Operation CHARM: Car repair manuals for everyone.
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

X11/4 - 16 Pole



16-pole Data Link Connector (X11/4) (Except California, see X11/21s1)

X11/4






1 Ground, circuit 31
2 Not used
3 CFI Continuous fuel injection (CIS-E)
4 EDS Electronic diesel system
5 ASD Automatic locking differential
5 4MATIC
6 AB Airbag/ETR (SRS)
7 A/C Air conditioning, Model 124
7 RB Roll bar, Model 129
8 DI Distributor ignition
8 HFM-SFI HFM sequential multiport fuel injection/ignition
8 PEC Pressurized engine control
9 ADS Adaptive damping system
9 RB Roll bar, Model 124
10 TN-signal (Gasoline)
11 ATA Anti-theft alarm
12 RCL Remote central locking
13 ETC Electronic transmission control
14 EA Electronic accelerator, Model 124
14 CC/ISC Cruise control/idle speed control, Model 124
14 ESC Engine systems control module (MASS),
Model 129
15 Not used
16 Circuit 15