Terminal No. (Symbol)
| Wiring Color
| Terminal Description
| Condition
| Specified Condition
|
E77-3 (IG) - E77-7 (PGND)
| G - W-B
| Power supply (ECU-IG No. 4 fuse)
| Engine switch on (IG)
| 11 to 14 V
|
E77-7 (PGND) - Body ground
| W-B - Body ground
| Ground
| Always
| Below 1 Ω
|
E77-8 (PIG) - E77-7 (PGND)
| B - W-B
| Power supply (VGRS fuse)
| Engine switch on (IG)
| 11 to 14 V
|
E77-10 (+BI) - E77-7 (PGND)
| R - W-B
| Power supply (ECU-B1 fuse)
| Always
| 11 to 14 V
|
E78-1 (BMV) - E77-7 (PGND)
| W - W-B
| Steering actuator motor signal (V phase)
| Engine running
| Sine wave
|
E78-2 (BMU) - E77-7 (PGND)
| B - W-B
| Steering actuator motor signal (U phase)
| Engine running
| Sine wave
|
E78-3 (BMW) - E77-7 (PGND)
| R - W-B
| Steering actuator motor signal (W phase)
| Engine running
| Sine wave
|
E78-6 (SG) - E78-8 (PGD2)
| BR - W-B
| Steering actuator motor signal shielded ground
| Always
| Below 1 Ω
|
E78-8 (PGD2) - Body ground
| W-B - Body ground
| Steering control ECU ground
| Always
| Below 1 Ω
|
E79-1 (+BO) - E77-7 (PGND)
| R - W-B
| Steering angle sensor power supply line
| Always
| 11 to 14 V
|
E79-3 (LV) - E77-7 (PGND)
| B - W-B
| Power source for steering actuator lock
| Engine switch on (IG)
| 11 to 14 V
|
E79-4 (S1) - E77-7 (PGND)
| R - W-B
| Steering actuator motor rotation angle sensor signal
| Engine switch on (IG)
| Sine wave
|
E79-6 (RV) - E77-7 (PGND)
| W- W-B
| Steering actuator resolver excitation output voltage
| Engine switch on (IG)
| Sine wave
|
E79-7 (SIL) - E77-7 (PGND)
| R - W-B
| Diagnostic communication signal
| Engine switch on (IG)
| Pulse generation
|
E79-9 (CANH) - E79-20 (CANL)
| LG - L
| CAN communication
| Engine switch on (IG)
| Pulse generation
|
E79-10 (SS1-) - E77-7 (PGND)
| GR - W-B
| Steering angle sensor signal
| Engine running and steering wheel turned
| Pulse generation
|
E79-12 (LG) - E77-7 (PGND)
| Y - W-B
| Steering actuator lock ground
| Engine running
| Pulse generation
|
E79-14 (S2) - E77-7 (PGND)
| L - W-B
| Steering actuator motor rotation angle sensor signal
| Engine switch on (IG)
| Sine wave
|
E79-15 (RG) - E77-7 (PGND)
| G - W-B
| Steering actuator resolver common ground
| Always
| Below 1 Ω
|
E79-16 (SG2+) - E77-7 (PGND)
| Shielded - W-B
| Shielded ground wire for steering actuator motor rotation angle sensor signal wire and control signal wire
| Engine switch on (IG)
| Pulse generation
|
E79-19 (SS1+) - E77-7 (PGND)
| L - W-B
| Steering angle sensor signal
| Engine running and steering wheel turned
| 3 to 4 V
|
