Electronic Brake Control Module Scan Tool Information
Electronic Brake Control Module Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description | |
|---|---|---|---|---|
| Operating Conditions: Ignition ON | ||||
| ABS Active | - | No | The scan tool displays Yes or No. Yes is displayed if the ABS system is engaged. | |
| ABS Failed | - | No | The scan tool displays Yes or No. Yes is displayed if there is an ABS fault. | |
| Accum. Pressure Sensor | - | Varies | The scan tool displays MPa or PSI. The scan tool displays the amount of brake fluid pressure stored in the accumulator. | |
| Battery Voltage Signal | - | Varies | This displays volts. This is the voltage status of the electronic brake control module (EBCM). | |
| Brake Fluid Level Status | - | OK | The scan tool displays OK or Low. This is the state of the brake fluid level. | |
| Brake Pressure Sensor Input | - | Varies | The scan tool displays 0-5 Volts. The scan tool displays approximately 1.5 volts when the ignition is ON. | |
| BPP Signal | - | Released | The scan tool displays Applied or Released. This is the state of the brake pedal. | |
| Digital HWPS Index Pulse | - | Varies | The scan tool displays High or Low. This is the state of the digital HWPS index pulse. Everytime the steering wheel turns, it toggles between high and low. | |
| Digital HWPS Phase A Pulse | - | The scan tool displays High or Low. This is the state of the digital HWPS phase A pulse. Everytime the steering wheel turns, it toggles between high and low. | ||
| Digital HWPS Phase B Pulse | - | The scan tool displays High or Low. This is the state of the digital HWPS phase B pulse. Everytime the steering wheel turns, it toggles between high and low. | ||
| DRP Active | - | No | The scan tool displays Yes or No. This is the state of the dynamic rear proportioning (DRP). | |
| DRP Disabled | - | No | The scan tool displays Yes or No. This is the state of the dynamic rear proportioning (DRP). | |
| Lateral Accelerometer Input | - | 0 m/s 2 (0 ft/s) | The scan tool displays the sideways acceleration of the vehicle in meters per second (m/s) or feet per second (ft/s). | |
| Longitudinal Accelerometer Sensor Signal | - | 0 m/s 2 (0 ft/s) | The scan tool displays the acceleration of the vehicle in meters per second (m/s) or feet per second (ft/s). | |
| LF Wheel Speed Sensor | - | 0 km/h (0 mph) | This displays km/h (mph). This is the current speed of the left front wheel speed sensor. | |
| LF Inlet Solenoid Command | - | Off | The scan tool displays On or Off. On is displayed when the left front inlet valve solenoid is commanded on. | |
| LF Outlet Solenoid Command | - | Off | The scan tool displays On or Off. On is displayed when the left front outlet valve solenoid is commanded on. | |
| LR Wheel Speed Sensor | - | OK | The scan tool displays OK or Low. This is the state of the washer fluid level. | |
| LR Inlet Solenoid Command | - | Off | The scan tool displays On or Off. On is displayed when the left rear inlet valve solenoid is commanded on. | |
| LR Outlet Solenoid Command | - | Off | The scan tool displays On or Off. On is displayed when the left rear outlet valve solenoid is commanded on. | |
| Pump Motor Command Voltage | - | Varies | This displays Volts. This is the voltage status of the EBCM pump motor command. | |
| RF Inlet Solenoid Command | - | Off | The scan tool displays On or Off. On is displayed when the right front inlet valve solenoid is commanded on. | |
| RF Outlet Solenoid Command | - | Off | The scan tool displays On or Off. On is displayed when the right front outlet valve solenoid is commanded on. | |
| RF Wheel Speed Sensor | - | 0 km/h (0 mph) | This displays km/h (mph). This is the current speed of the right front wheel speed sensor. | |
| RR Inlet Solenoid Command | - | Off | The scan tool displays On or Off. On is displayed when the right rear inlet valve solenoid is commanded on. | |
| RR Outlet Solenoid Command | - | Off | The scan tool displays On or Off. On is displayed when the right rear outlet valve solenoid is commanded on. | |
| RR Wheel Speed Sensor | - | 0 km/h (0 mph) | This displays km/h (mph). This is the current speed of the right front wheel speed sensor. | |
| Steering Wheel Angle | - | Varies | This displays degrees. This the signal received from the steering angle sensor. | |
| Steering Wheel Position | - | Varies | This displays degrees. This is the signal received from the steering angle sensor. | |
| TCS Active | - | No | The scan tool displays Yes or No. This is the state of the traction control system (TCS). | |
| TCS Failed | - | No | The scan tool displays Yes or No. This is the state of the traction control system (TCS). | |
| VSES Active | - | No | The scan tool displays Yes or No. The scan tool displays Yes when VSES is active, and No when VSES is inactive. | |
| VSES Failed | - | No | The scan tool will display Yes or No depending on the state of the ABS indicator. | |
| Yaw Rate Sensor Input | - | Varies | This displays Volts. The voltage varies depending on the angle of the vehicle. | |
Electronic Brake Control Module Scan Tool Output Controls
| Output Control | Description |
|---|---|
| ABS Motor Test | This is used in order to command the ABS pump motor On or Off. |
| Automated Bleed | This is used in order to bleed ABS hydraulics. Refer to Antilock Brake System Automated Bleed Procedure . |
| LF Inlet Valve Solenoid | Commands the solenoid ON and OFF. |
| LF Outlet Valve Solenoid | Commands the solenoid ON and OFF. |
| LR Inlet Valve Solenoid | Commands the solenoid ON and OFF. |
| LR Outlet Valve Solenoid | Commands the solenoid ON and OFF. |
| RF Inlet Valve Solenoid | Commands the solenoid ON and OFF. |
| RF Outlet Valve Solenoid | Commands the solenoid ON and OFF. |
| RR Inlet Valve Solenoid | Commands the solenoid ON and OFF. |
| RR Outlet Valve Solenoid | Commands the solenoid ON and OFF. |