Installation Location
E83: The control unit is located on the floor panel below the luggage compartment trim.
Scheme 65
E53: The control unit is located on the floor panel on the left below the rear bench seat.
Scheme 66
Scheme 67
| Pin | Type | Description |
|---|---|---|
| 1 | E/A | Powertrain CAN Low |
| 2 | E/A | Diagnosis bus |
| 3 | E | Terminal 15 (wake-up wire) |
| 4 | E/A | Powertrain CAN High |
| 5 | M | Terminal 31 (earth) |
| 6 | V | Terminal 30 (power supply) |
| E = Input E/A = Input/Output M = Earth V = Supply For current specifications regarding pin assignment, please refer to BMW diagnosis system. | ||
TCU CONNECTOR PIN ASSIGNMENT X2153, 6-PIN
| Pin | Type | Description |
|---|---|---|
| 1 | E | From the incremental sensor, indicates the direction of rotation of the electric servomotor |
| 2 | E | Negative lead from the incremental sensor and classification resistor |
| 3 | A | Positive lead for the incremental sensor |
| 4 | ||
| 5 | E | Classification resistor |
| 6 | E | From the incremental sensor, indicates the frequency of the electric servomotor |
| 7 | ||
| 8 | ||
| 9 | ||
| 10 | ||
| 11 | ||
| 12 | ||
| 13 | ||
| 14 | ||
| 15 | A | Positive lead to the electric servomotor |
| 16 | ||
| 17 | ||
| 18 | E | Negative lead from the electric servomotor |
| A = Output E = Input For current specifications regarding pin assignment, please refer to BMW diagnosis system. | ||
TCU CONNECTOR PIN ASSIGNMENT X70006, 18-PIN