Electronic Brake Control Module Scan Tool Data Parameters
Parameter | Operating Conditions | Expected Value | Definition |
|---|---|---|---|
Ignition is ON, engine OFF, and vehicle is stationary | |||
Battery Voltage Signal | -- | 12 Volts | This displays volts. This is the voltage status of the electronic brake control module (EBCM). |
ABS Active | -- | Yes | The scan tool displays Yes/No. The scan tool displays No when not active. |
-- | No | ||
ABS Failed | -- | Yes | The scan tool displays Yes or No. Yes is displayed if there is an ABS fault. |
-- | No | ||
BPP Signal | -- | Applied | The scan tool displays Applied or Released. This is the state of the brake pedal. |
-- | Released | ||
Brake Pressure Sensor Input | Brake applied | 0.5 V | The scan tool displays 0-5 Volts. The scan tool displays approximately 0.5 Volts when the ignition is on. |
Engine running, brake applied | 1.5 V | ||
Delivered Torque | Engine OFF | 88% | The scan tool displays 0-100 percent. The scan tool displays the duty cycle of the Delivered Torque PWM signal. The duty cycle of the signal is used to transmit how much engine torque the ECM is delivering. Normal values are between 10 and 90 percent duty cycle. |
Engine idling | 10% | ||
Dynamic Rear Proportioning (DRP) Failed | -- | Yes | The scan tool displays Yes or No. This is the state of the dynamic rear proportioning (DRP). |
-- | No | ||
LF Wheel Speed Sensor | -- | 0 km/h (0 mph) | This is the current speed of the wheel and is displayed in km/h (mph). |
RF Wheel Speed Sensor | -- | 0 km/h (0 mph) | |
LR Wheel Speed Sensor | -- | 0 km/h (0 mph) | |
RR Wheel Speed Sensor | -- | 0 km/h (0 mph) | |
LF Inlet Solenoid Commanded | -- | On | The scan tool displays On or Off. The scan tool displays Active when the left front inlet valve solenoid is commanded on. |
-- | Off | ||
LF Outlet Solenoid Commanded | -- | On | The scan tool displays On or Off. The scan tool displays Active when the left front outlet valve solenoid is commanded on. |
-- | Off | ||
LF Outlet Valve Feedback | -- | Active | The scan tool displays Active/Inactive. Indicates the actual state of the left front outlet valve solenoid. |
-- | Inactive | ||
RF Inlet Solenoid Commanded | -- | On | The scan tool displays On or Off. The scan tool displays Active when the right front inlet valve solenoid is commanded on. |
-- | Off | ||
RF Outlet Solenoid Commanded | -- | On | The scan tool displays On or Off. The scan tool displays Active when the right front outlet valve solenoid is commanded on. |
-- | Off | ||
RF Outlet Valve Feedback | -- | Active | The scan tool displays Active/Inactive. Indicates the actual state of the right front outlet valve solenoid. |
-- | Inactive | ||
LR Inlet Solenoid Commanded | -- | On | The scan tool displays On or Off. The scan tool displays Active when the left rear inlet valve solenoid is commanded on. |
-- | Off | ||
LR Outlet Solenoid Commanded | -- | On | The scan tool displays On or Off. The scan tool displays Active when the left rear outlet valve solenoid is commanded on. |
-- | Off | ||
LR Outlet Valve Feedback | -- | Active | The scan tool displays Active/Inactive. Indicates the actual state of the left rear outlet valve solenoid. |
-- | Inactive | ||
RR Inlet Solenoid Commanded | -- | On | The scan tool displays On or Off. The scan tool displays Active when the right rear inlet valve solenoid is commanded on. |
-- | Off | ||
RR Outlet Solenoid Commanded | -- | On | The scan tool displays On or Off. The scan tool displays Active when the right rear outlet valve solenoid is commanded on. |
-- | Off | ||
RR Outlet Valve Feedback | -- | Active | The scan tool displays Active/Inactive. Indicates the actual state of the right rear outlet valve solenoid. |
-- | Inactive | ||
Front TCS Isolation Solenoid | -- | Active | The scan tool displays Active/Inactive. Indicates if the TCS Isolation Solenoid is operating by holding pressure |
-- | Inactive | ||
Front TCS Priming Solenoid | -- | Active | The scan tool will display Active/Inactive. The scan tool displays Active when the Front TCS Priming Solenoid is commanded on. |
-- | Inactive | ||
Rear TCS Isolation Solenoid | -- | Active | The scan tool displays Active/Inactive. Indicates if the TCS Isolation Solenoid is operating by holding pressure |
-- | Inactive | ||
Rear TCS Priming Solenoid | -- | Active | The scan tool displays Active when the Rear TCS Priming Solenoid is commanded on. |
-- | Inactive | ||
Pump Motor Commanded Voltage | -- | Volts | This displays Volts. This is the voltage status of the EBCM pump motor command. |
Pump Motor Relay Command State | -- | On | The scan tool displays On/Off. This is the commanded state of the relay. |
-- | Off | ||
Pump Motor Relay Feedback State | -- | On | The scan tool displays On/Off. This is feedback state of the relay, to show actual state. |
-- | Off | ||
Lateral Accelerometer | Volts | The scan tool will display Volts, depending on the lateral movement of the vehicle. | |
Requested Torque | -- | 99% | The scan tool displays 0-100 percent. The scan tool displays the duty cycle of the Requested Torque PWM signal. The duty cycle of the signal is used to transmit how much engine torque the EBCM has requested. |
Steering Wheel Position | ° | The scan tool will display degrees, depending on the position of the steering wheel. | |
Steering Sensor is Centred | Yes | The scan tool will display Yes/No, depending on the position of the steering sensor. | |
No | |||
TCS Active | -- | Yes | The scan tool displays Yes or No. This is the state of the traction control system (TCS). |
-- | No | ||
TCS Failed | -- | Yes | The scan tool displays Yes or No. This is the state of the traction control system (TCS). |
-- | No | ||
TCS On/Off Status | -- | On | The scan tool displays On/Off. This is requested status. |
-- | Off | ||
VSES On/Off Status | -- | On | The scan tool displays On/Off. This is requested status. |
-- | Off | ||
VSES Active | -- | Yes | The scan tool displays Yes or No. The scan tool displays Yes when VSES is active, and No when VSES is inactive. |
-- | No | ||
VSES Failed | -- | Yes | The scan tool will display Yes or No depending on the state of the ABS indicator. |
-- | No | ||
Yaw Rate Sensor | 2.5 Volts | The scan tool will display Volts, depending on the yaw rate of the vehicle. | |
Electronic Brake Control Module Scan Tool Output Controls
Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
ABS Motor Test | ABS Motor | Used in order to command the ABS pump motor On or Off. |
Automated Bleed Procedure | -- | Used in order to bleed ABS hydraulics. Refer to Antilock Brake System Automated Bleed Procedure. |
LF Inlet Valve Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
LF Outlet Valve Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
LR Inlet Valve Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
LR Outlet Valve Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
RF Inlet Valve Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
RF Outlet Valve Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
RR Inlet Valve Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
RR Outlet Valve Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
Front TCS Isolation Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
Front TCS Priming Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
Rear TCS Isolation Solenoid | Solenoid Test | The scan tool will turn the solenoid On or Off as commanded. |
Rear TCS Priming Solenoid | Solenoid Test | The scan tool displays Active when the Rear TCS Priming Solenoid is commanded on. |
Steering Position Sensor | Steering Position Centering | The scan tool displays the position of the steering angle sensor in degrees |
ABS lamp test | Lamp Test | The scan tool commands the IPC to turn on the telltale lamp on the instrument cluster. |
DRP lamp test | Lamp Test | The scan tool commands the IPC to turn on the telltale lamp on the instrument cluster. |
TCS Indicator lamp test | Lamp Test | The scan tool commands the IPC to turn on the telltale lamp on the instrument cluster. |
VSES lamp test | Lamp Test | The scan tool commands the IPC to turn on the telltale lamp on the instrument cluster. |
