Adaptive Cruise Control (ACC) Unit Inputs and Outputs
TERMINAL NUMBER AND WIRE COLOR DESCRIPTION
| Terminal number | Wire color | Terminal sign | Terminal name | Description | Signal |
|---|---|---|---|---|---|
| 1 | RED | BRK DIAG | Brake diagnosis | Detects ACC relay | ACC brake operated or brake pedal pressed: battery voltage |
| 2 | BLU | IG1 | Ignition signal | Detects ignition signal | Ignition switch ON (II): battery voltage Ignition switch LOCK (0): about 0 V |
| 3 | GRN | SG | Sensor ground | Brake fluid pressure sensor ground | -- |
| 5 | RED | VCC | Voltage constant current | Provides brake fluid pressure sensor voltage | Ignition switch ON (II): about 5 V Ignition switch LOCK (0): about 0 V |
| 6 | BLU | PRESS FR | Pressure front right | Detects the brake fluid pressure signal of the right front brake caliper | Ignition switch ON (II): about 0.5-4.5 V Ignition switch LOCK (0): about 0 V |
| 8 | BLU | K-LINE | Data link | Sends and receives scan tool signal | -- |
| 9 | BLK | PG | Power ground | Ground circuit for the ACC system | -- |
| 10 | WHT | F-CAN H | CAN High line | F-CAN communication (high) circuit | -- |
| 11 | BLK | LG1 | Logic ground 1 | Ground circuit for the ACC system | -- |
| 12 | BLK | LG2 | Logic ground 2 | Ground circuit for the ACC system | -- |
| 13 | WHT | VBU | Back-up voltage | Provides DTC memory voltage | Battery voltage |
| 14 | PNK | PRESS FL | Pressure front left | Detects the brake fluid pressure signal of the left front brake caliper | Ignition switch ON (II): about 0.5-4.5 V Ignition switch LOCK (0): about 0 V |
| 16 | BLU | BRK LAMP | Brake light | Drives the ACC relay | Ignition switch ON (II): battery voltage Ignition switch LOCK (0): about 0 V |
| 17 | WHT | M/R TRX | Millimeter wave radar data link | Communicates with the millimeter wave radar | Ignition switch ON (II): battery voltage Ignition switch LOCK (0): about 0 V |
| 20 | RED | F-CAN L | CAN Low line | F-CAN communication (low) | -- |