Wiring Diagram For Electronic Ignition Lock Control Unit (EZS) - PE54.21-P-2104-97TAB
Model 172.4 as of 6/1/15
with code 421 (9-speed automatic transmission)
except code 425 (6-speed manual transmission)
except code 427 (7G-TRONIC)
Control unit N73
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 23L |
| CAN B | Interior CAN | 17K |
| CAN E | Chassis CAN | 13J |
| CAN E1 | Chassis CAN 1 | 13K |
| N10/1 | Front SAM control unit with fuse and relay module | 7L |
| N10/1f19 | Fuse 19 | 2L |
| N10/1f27 | Fuse 27 | 6L |
| N73 | Electronic ignition switch control unit | 4A |
| N73 | Electronic ignition switch control unit | 13A |
| U12 | Valid for left-hand drive vehicles | 8C |
| U12 | Valid for left-hand drive vehicles | 15C |
| U13 | Valid for right-hand drive vehicles | 8D |
| U13 | Valid for right-hand drive vehicles | 15D |
| W15/5 | Left front footwell ground point | 9E |
| W15/7 | Right front footwell ground point | 9F |
| X30/30 | Vehicle floor chassis CAN voltage distributor electrical connector | 13L |
| X30/32 | Left vehicle floor interior CAN voltage distributor electrical connector | 17L |
| X30/33 | Right vehicle floor interior CAN voltage distributor electrical connector | 17L |
| X30/74 | Chassis CAN 1 (CAN E1) potential distributor electrical connector | |
| Z35/7 | CAN bus high cockpit bus node | 13E |
| Z35/8 | CAN bus low cockpit bus node | 12E |