Legend of wiring diagram for instrument cluster (IC) control unit - PE54.30-P-2101-60SAA
Model 221.0/1 control unit A1
| Code | Designation | Coordinates |
|---|---|---|
| A0 | Color code key | 23L |
| A1 | Instrument cluster | 4A |
| A1 | Instrument cluster | 12A |
| A1 | Instrument cluster | 19A |
| A1e1 | Left turn signal indicator lamp | 13A |
| A1e2 | Right turn signal indicator lamp | 14A |
| A1e3 | High beam indicator lamp | 17A |
| A1e4 | Fuel reserve indicator lamp | 11A |
| A1e7 | Brake fluid warning lamp | 5A |
| A1e9 | Seat belt warning lamp | 13A |
| A1e15 | Airbag indicator and warning lamp | 1A |
| A1e16 | Preglow indicator lamp | 21A |
| A1e17 | ABS indicator lamp | 16A |
| A1e26 | "CHECK ENGINE" MIL | 11A |
| A1e41 | ESP warning lamp | 9A |
| A1e54 | Coolant temperature warning lamp | 6A |
| A1e58 | Engine diagnosis indicator lamp | 20A |
| A1e59 | DTR warning lamp | 10A |
| A1e66 | Tire pressure monitor warning lamp | 18A |
| A1h1 | Warning buzzer | 5A |
| A1h2 | Audible turn signal indicator | 14A |
| A1p1 | Coolant temperature gauge | 6A |
| A1p2 | Fuel level and reserve indicator | 7A |
| A1p5 | Tachograph | 15A |
| A1p6 | Electronic clock | 2A |
| A1p6 | Electronic clock | 8A |
| A1p8 | Electronic speedometer | 7A |
| A1p12 | Gear display | 3A |
| A1p13 | Multifunction display | 3A |
| M4/13 | Instrument cluster/COMAND display additional fan | 9L |
| N10/1 | Front SAM control unit with fuse and relay module | 3L |
| N101 | Night vision assist control unit | 18L |
| U1 | Valid for USA | 10A |
| U2 | Valid for all except USA | 19A |
| U12 | Valid for left-hand drive vehicles | 2D |
| U13 | Valid for right-hand drive vehicles | 2E |
| U880 | Valid for engine 642 | 20A |
| W15 | Power ground (electronics) | 3G |
| W34 | Ground (left footwell) | 3G |
| W43 | Ground (reference, image transmission systems) | 7G |
| X30/20 | Central CAN voltage distributor connector | 6L |
| X120/1 | Instrument cluster/COMAND display additional fan separation point | 8G |