| Table 1: | Electronic Brake Control Module Scan Tool Data Parameters |
| Table 2: | Electronic Brake Control Module Scan Tool Output Controls |
Parameter | Expected Value | Definition |
|---|---|---|
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. |
Battery Voltage Signal | Varies | This displays volts. This is the voltage status of the electronic brake control module (EBCM). |
Brake Fluid Level Sensor | OK | The scan tool displays OK or Low. This is the state of the brake fluid level. |
BPP Signal | Released | The scan tool displays Applied or Released. This is the state of the brake pedal. |
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 | Varies | This displays m/s². This is the state of the lateral accelerometer. |
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. |
Low Tire Press. Lamp | No | The scan tool displays Yes or No. Yes is displayed if the low tire pressure indicator is illuminated. |
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. |
Panic Brake Assist Failed | No | The scan tool displays Yes or No. The state of the panic brake assist depends on the state of traction of the tires and engine RPM. |
Pump Motor Command Voltage | Varies | This displays Volts. This is the voltage status of the EBCM pump motor command. |
RF Inlet Solenoid | Off | The scan tool displays On or Off. On is displayed when the right front inlet valve solenoid is commanded on. |
RF Outlet Solenoid | 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 Sensor | Centered | The scan tool displays Centered or Uncentered. This is the state of the steering 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). |
TCS Switch State | Off | The scan tool displays On or Off. This is the state of the traction control system (TCS) switch. |
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 °/sec. The reading varies depending on the angle of the vehicle. |
Scan Tool Output Control | Description |
|---|---|
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. |
Pump Motor Test | This is used in order to command the ABS pump motor On or 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. |
Steering Position Sensor Calibration | This is used to center the steering position sensor. |
