| 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. The scan tool will display Yes when the ABS is active and No during normal vehicle operation. |
ABS Failed | No | The scan tool displays Yes or No. The scan tool will display Yes when the ABS has failed and No during normal vehicle operation. |
Battery Voltage Signal | Varies | This displays Volts. This is the current Battery voltage signal. |
BCM Brake Fluid level Low Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
BCM Brake Pedal Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
BCM Traction Control Switch Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
BPP Signal | Varies | The scan tool displays Applied or Released. This is the current state of the Brake Pedal Position Sensor. |
Brake Fluid Level Status | OK | The scan tool displays Low when the fluid is low amd OK when at correct level. |
Brake Pressure Sensor Input | Varies | This displays Volts. This is the current brake pressure sensor voltage. |
Delivered Torque | Varies | This displays %. This is the current percentage of torque being delivered |
DRP Active | No | The scan tool displays Yes or No. The active status of the DRP. Indicates if DRP is currently active. |
DRP Disabled | No | The scan tool displays Yes or No. The failed status of the DRP. Indicates if the EBCM disabled DRP due to a malfunction. |
ECM Accelerator Pedal Position Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
ECM Actual Engine Torque Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
ECM Engine Speed Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
ECM Maximum Engine Torque Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
ECM Minimum Engine Torque Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
ECM Requested Engine Torque Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
Engine Drag Control Failed | No | The scan tool displays Yes or No. The failed status of the Engine Drag Control Indicates if the ECM disabled Engine Drag Control due to a malfunction. |
Lateral Accelerometer Signal | Varies | This displays Volts. This is the current lateral accelerometer signal voltage. |
LF Inlet Solenoid Command | Off | The scan tool displays On or Off. This is the current state of the driver front inlet solenoid. |
LF Outlet Solenoid Command | Off | The scan tool displays On or Off. This is the current state of the driver front outlet solenoid. |
LF Wheel Speed Sensor | 0 km/h (0 mph) | This displays km/h (mph). This is the current vehicle speed at the driver front wheel speed sensor. |
LR Inlet Solenoid Command | Off | The scan tool displays On or Off. This is the current state of the driver rear inlet solenoid. |
LR Outlet Solenoid Command | Off | The scan tool displays On or Off. This is the current state of the driver rear outlet solenoid. |
LR Wheel Speed Sensor | 0 km/h (0 mph) | This displays km/h (mph). This is the current vehicle speed at the driver rear wheel speed sensor. |
Panic Brake Assist Failed | No | The scan tool displays Yes or No. The failed status of the Panic Brake Assist indicates if the EBCM disabled Panic Braking due to a malfunction. |
Pump Motor Commanded Voltage | Varies | This displays Volts. This is the current pump motor feedback voltage. |
Requested Torque | Varies | This displays %. This is the current percentage of torque being requested. |
RF Inlet Solenoid Command | Off | The scan tool displays On or Off. This is the current state of the passenger front inlet solenoid. |
RF Outlet Solenoid Command | Off | The scan tool displays On or Off. This is the current state of the passenger front outlet solenoid. |
RF Wheel Speed Sensor | 0 km/h (0 mph) | This displays km/h (mph). This is the current vehicle speed at the passenger front wheel speed sensor. |
RR Inlet Solenoid Command | Off | The scan tool displays On or Off. This is the current state of the passenger rear inlet solenoid. |
RR Outlet Solenoid Command | Off | The scan tool displays On or Off. This is the current state of the passenger rear outlet solenoid. |
RR Wheel Speed Sensor | 0 km/h (0 mph) | This displays km/h (mph). This is the current vehicle speed at the passenger rear wheel speed sensor. |
Steering Wheel Position | Varies | This displays °. This is the current angle of the steering position sensor. |
TCM Current Gear Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
TCM Trans. Gear Up/Down Shift Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
TCM Trans. Output Shaft Speed Signal | Valid | The scan tool displays Valid or Invalid. The scan tool will display Invalid when the EBCM has not received the signal from the respective module and Valid during normal vehicle operation. |
TCS Active | No | The scan tool displays Yes or No. This is the state of the traction control system. |
TCS Failed | No | The scan tool displays Yes or No. The scan tool will display Yes when the TCS has failed and No during normal vehicle operation. |
VSES Active | Varies | The scan tool displays Yes or No. This is the state of the vehicle stability enhancement system. |
VSES Failed | No | The scan tool displays Yes or No. The scan tool will display Yes when the VSES has failed and No during normal vehicle operation. |
Yaw Rate Sensor | 0 Volts | This displays Volts. This is the current yaw rate signal voltage. |
Scan Tool Output Control | Description |
|---|---|
ABS Motor | This is used to command the pump motor on or off. |
Automated Bleed | This is used in order to bleed ABS hydraulics. Refer to Antilock Brake System Automated Bleed Procedure. |
Brake Pressure Sen. Calibration | This is used to calibrate the brake pressure sensor, typically after replacing the BPMV. |
