VSA Modulator-control Unit Inputs and Outputs for 46P Connector
| Terminal number | Wire color | Terminal sign | Description | Measurement (Disconnect the VSA modulator-control unit 46P connector) | ||
|---|---|---|---|---|---|---|
| Terminals | Conditions | Results | ||||
| 1 | PNK | F-CAN B L | F-CAN communication circuit | -- | -- | -- |
| 6 | ORN | BRK DIAG | Detects brake light relay | 6-GND | Trailer stability assist brake operated or brake pedal pressed | Battery voltage (about 12 V) |
| 8 | GRY | RR-GND | Detects right-rear wheel speed sensor signal | -- | -- | -- |
| 10 | RED | RL-GND | Detects left-rear wheel speed sensor signal | -- | -- | -- |
| 11 | YEL | RL+B | Detects left-rear wheel speed sensor signal | -- | -- | -- |
| 12 | ORN | FL+B | Detects left-front wheel speed sensor signal | -- | -- | -- |
| 15 | ORN | K-LINE | Communicates with HDS | -- | -- | -- |
| 22 | PUR | F-CAN B H | F-CAN communication circuit | -- | -- | -- |
| 25 | GRY | WEN | Detects write enable signal | -- | -- | -- |
| 28 | PNK | FR-GND | Detects right-front wheel speed sensor signal | -- | -- | -- |
| 29 | GRN | FR+B | Detects right-front wheel speed sensor signal | -- | -- | -- |
| 30 | LT BLU | RR+B | Detects right-rear wheel speed sensor signal | -- | -- | -- |
| 34 | GRY | FL-GND | Detects left-front wheel speed sensor signal | -- | -- | -- |
| Terminal number | Wire color | Terminal sign | Description | Measurement (Disconnect the VSA modulator-control unit 46P connector) | ||
|---|---|---|---|---|---|---|
| Terminals | Conditions | Results | ||||
| 37 | YEL | BRK LAMP | Drives the brake light relay | 37-GND | Ignition switch to ON (II) | Battery voltage (about 12 V) |
| 38 | RED | F-CAN A L | F-CAN communication circuit | -- | -- | -- |
| 39 | WHT | F-CAN A H | F-CAN communication circuit | -- | -- | -- |
| 40 | ORN | IG1 | Power source for activating the system | 40-GND | Ignition switch to ON (II) | Battery voltage (about 12 V) |
| 43 | BRN | GND2 | Ground for the VSA modulator-control unit | 43-GND | At all times | Continuity to ground |
| 44 | LT GRN | + B SOL | Power source for the valve relay | 44-GND | At all times | Battery voltage (about 12 V) |
| 45 | RED | + B MOT | Power source for the motor relay | 45-GND | At all times | Battery voltage (about 12 V) |
| 46 | BLK | GND1 | Ground for the pump motor | 46-GND | At all times | Continuity to ground |