Adaptive Cruise Control (ACC) System Inputs and Outputs

Terminal number | Wire color | Terminal sign | Terminal name | Description | Signal
--- | --- | --- | --- | --- | ---
1 | RED | BRK DIAG | Brake diagnosis | Detects adaptive cruise control (ACC) relay | Adaptive Cruise Control (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 OFF: about 0 V
3 | GRN | SG | Sensor ground | Sensor ground | ———
5 | RED | VCC | Voltage constant current | Provides sensor voltage | Ignition switch ON (II): about 5 V Ignition switch OFF: 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 OFF: about 0 V
8 | LT BLU | K-LINE | Data link | Sends and receives scan tool signal | ———
9 | BLK | PG | Power ground | Ground circuit for the adaptive cruise control (ACC) system | ———
10 | WHT | CANH | CAN High line | F-CAN communication (high) circuit | ———
11 | BLK | LG1 | Logic ground 1 | Ground circuit for the adaptive cruise control (ACC) system | ———
12 | BLK | LG2 | Logic ground 2 | Ground circuit for the adaptive cruise control (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 OFF: about 0 V
16 | BLU | BRK LAMP | Brake light | Drives the adaptive cruise control (ACC) relay | Ignition switch ON (II): battery voltage Ignition switch OFF: about 0 V
17 | WHT | M/R TRX | Millimeter wave radar data link | Communicates with the millimeter wave radar unit | Ignition switch ON (II): battery voltage Ignition switch OFF: about 0 V
20 | BLK | CANL | CAN Low line | F-CAN communication (low) circuit | ———