Terminals and Reference Value for Pre-Crash Seat Belt Control Unit
TERMINALS AND REFERENCE VALUE CHART
| Terminal | Wire Color | Item | Signal Input/Output | Condition | Voltage [V] (Approx.) |
|---|---|---|---|---|---|
| 1 | G/R | Seat belt motor RH release direction signal | Output | Seat belt motor RH operation | Battery voltage |
| Other than above | 0 | ||||
| 2 | W | Power source (BAT) | Input | - | Battery voltage |
| 3 | G/Y | Seat belt motor RH fastened direction signal | Output | Seat belt motor RH operation | Battery voltage |
| Other than above | 0 | ||||
| 4 | GY/W | Seat belt motor LH fastened direction signal | Output | Seat belt motor LH operation | Battery voltage |
| Other than above | 0 | ||||
| 5 | B/Y | Ground (Driver circuit) | - | - | 0 |
| 6 | L/Y | Seat belt motor LH release direction signal | Output | Seat belt motor LH operation | Battery voltage |
| Other than above | 0 | ||||
| 7 | G/Y | Seat belt indicator signal | Output | When driver side seat belt is fastened | Battery voltage |
| When driver side seat belt is unfastened | 0 | ||||
| When driver side seat belt is fastened and system malfunction | Battery voltage <=> 0 | ||||
| 8 | LG | Seat belt buckle switch RH | Input | When seat belt is fastened | 5 |
| When seat belt is unfastened | 0 | ||||
| 10 | SB | Seat belt buckle switch LH | Input | When seat belt is fastened | Battery voltage |
| When seat belt is unfastened | 0 | ||||
| 13 | W/G | Power source (IGN) | Input | Ignition switch ON or START | Battery voltage |
| 16 | W | Brake pedal stroke sensor output signal 1 | Output | Brake pedal is fully released operation | 1 |
| Brake pedal is slightly depressed operation | 4 | ||||
| 18 | R | Power source (Brake pedal stroke sensor) | Input | - | 5 |
| 20 | G | Brake pedal stroke sensor output signal 2 | Output | Brake pedal is fully released operation | 4 |
| Brake pedal is slightly depressed operation | 1 | ||||
| 21 | B | Ground (Brake pedal stroke sensor) | - | - | 0 |
| 22 | P | CAN-L | Input/Output | - | - |
| 24 | L | CAN-H | Input/Output | - | - |
| 25 | - | Ground (Shield wire) | - | - | 0 |
| 26 | B/Y | Ground (Control circuit) | - | - | 0 |