| 1 (SB) |
Ground |
RH seat belt motor release signal |
Output |
- |
- |
| 2 (W) |
Ground |
Drive circuit power supply (+BAT) |
Input |
Seat belt motor non-operational |
Battery voltage |
| 3 (LG) |
Ground |
RH seat belt motor forward (retract) signal |
Output |
- |
- |
| 4 (R) |
Ground |
LH seat belt motor forward (retract) signal |
Output |
- |
- |
| 5 (W) |
Ground |
Drive circuit ground |
- |
- |
0 |
| 6 (BR) |
Ground |
LH seat belt motor release signal |
Output |
- |
- |
| 7 (G) |
Ground |
Indicator (seat belt warning lamp) |
Output |
LH seat belt is not fastened |
Ground |
| LH seat belt is fastened |
Battery voltage |
| LH seat belt is fastened or malfunction of system |
Battery voltage ←→ Ground |
| 8 (LG) |
Ground |
RH seat belt buckle switch signal |
Input |
RH seat belt is fastened |
5 V or more |
| RH seat belt is not fastened |
Ground |
| 10 (BR) |
Ground |
LH seat belt buckle switch signal |
Input |
LH seat belt is fastened |
Battery voltage |
| LH seat belt is not fastened |
Ground |
| 13 (W) |
Ground |
Control circuit power supply (IGN) |
Input |
IGN ON |
Battery voltage |
| IGN OFF |
Ground |
| 16 (W) |
Ground |
Brake pedal stroke sensor signal1 |
Input |
Brake released → depressed |
1 V → 4 V |
| IGN OFF |
0 V |
| 18 (R) |
Ground |
Brake pedal stroke sensor power circuit |
Output |
IGN ON |
5 V |
| IGN OFF |
0 V |
| 20 (G) |
Ground |
Brake pedal stroke sensor signal2 |
Input |
Brake released → depressed |
4 V → 1 V |
| IGN OFF |
0V |
| 21 (B) |
Ground |
Brake pedal stroke sensor ground circuit |
- |
- |
Ground |
| 22 (P) |
Ground |
CAN communication signal (CAN L-line) |
Input/Output |
- |
- |
| 24 (L) |
Ground |
CAN communication signal (CAN H-line) |
Input/Output |
- |
- |
| 25 |
Ground |
Shield ground |
- |
- |
Ground |
| 26 (B) |
Ground |
Control circuit ground |
- |
- |
Ground |