Physical Values
| Terminal No. (Wire color) |
Description | Condition | Value (*1) (Approx.) |
||
|---|---|---|---|---|---|
| + | - | Signal name | Input/Output | ||
| 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 signal 1 | 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 signal 2 | 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 |
*1: Perform the measurement while connecting the control unit and the harness.