General Module Control Module X253 Connector End View
Pin Assignments At Plug Connector X253
| Pin | Type | Description /Signal type | Connection /Measuring notes |
|---|---|---|---|
| 1 | E | Load ground, central locking and window regulators | Wiper switch |
| 2 | Not occupied | ||
| 3 | E | Signal, wiper switch 2 | Wiper switch |
| 4 | E | Signal, power window switch, passenger's door, open | Power window switch, passenger's door |
| 5 | Not occupied | ||
| 6 | Not occupied | ||
| 7 | E | Signal, center-lock button | Hazard warning/central locking switch |
| 8 | E | Signal, interior light switch, continuous operation | Interior/reading lamp, front |
| 9 | E/A | K-bus signal | K-bus connector |
| 10 | M | Ground | Ground point |
| 11 | A | Signal, wiper relay | Windshield wiper relay |
| 12 | A | Signal, headlight washer pump relay | Relay, headlight washer |
| 13 | A | Motor signal, ZV unit lock driver's door | System lock, driver's door |
| 14 | A | Motor signal, ZV unit central arrest | System lock, rear right door |
| 15 | A | Motor signal, ZV unit central arrest | System lock, rear left door |
| 16 | A | Motor signal, ZV unit central arrest | System lock, passenger's door |
| 17 | A | Motor signal, unlock trunk lid | Central locking drive, trunk lid |
| 18 | A | Signal Interior light | Connector Interior light |
| 19 | E | Signal, status of antitheft alarm system | Wiper switch |
| 20 | E | Signal, unlock driver's door | System lock, driver's door |
| 21 | Not occupied | ||
| 22 | E | Signal, lock driver's door | System lock, driver's door |
| 23 | E | Door contact signal | System lock, rear right door |
| 24 | E | Door contact signal | System lock, rear left door |
| 25 | E | Signal, front passenger's door contact | System lock, passenger's door |
| 26 | E | Signal, driver's door contact | System lock, driver's door |
| 27 | E | Terminal R | Fuse F9 |
| 28 | E | Signal, anti-jamming system | Driver's window motor |
| 29 | E | Signal, anti-jamming system | Passenger's window motor |
| 30 | A | Signal, wiper relay for speed 2 | Windshield wiper relay |
| 31 | Not occupied | ||
| 32 | A | Motor signal, ZV unit central arrest | System lock, driver's door |
| 33 | A | Motor signal, ZV unit unlock | System lock, passenger's door |
| 34 | A | Motor signal, ZV unit unlock | System lock, rear left door |
| 35 | A | Motor signal, ZV unit unlock | Central locking drive, fuel filler flap |
| 36 | A | Motor signal, ZV unit unlock | System lock, rear right door |
| 37 | Not occupied | ||
| 38 | Not occupied | ||
| 39 | Not occupied | ||
| 40 | E | Switch signal, window regulator passenger's door closed | Power window switch, passenger's door |
| 41 | Not occupied | ||
| 42 | E | Signal, trunk lid contact | Central locking drive, trunk lid |
| 43 | Not occupied | ||
| 44 | E | Signal, trunk lid contact | Trunk lid push-button/license plate lights |
| 45 | E | Signal Return contact, wiper rest position | Wiper motor |
| 46 | E | Signal, potentiometer for interval time | Wiper switch |
| 47 | E | Terminal 30 | Fuse F49 |
| 48 | E/A | Signal, LIN bus | Driver's door module |
| 49 | E | Signal, data line ZV remote control | Electrochromic interior rear view mirror Antenna diversity |
| 50 | A | Motor signal, ZV unit central arrest | Central locking drive, fuel filler flap |
| 51 | A | Motor signal, ZV unit unlock | System lock, driver's door |
| 52 | A | Motor signal, ZV unit lock | System lock, rear right door |
| 53 | A | Motor signal, ZV unit lock | System lock, rear left door |
| 54 | A | Motor signal, ZV unit lock | System lock, passenger's door |