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| Table 1: | Electronic Brake Control Module Scan Tool Data Parameters |
| Table 2: | Electronic Brake Control Module Scan Tool Output Controls |
The electronic brake control module (EBCM) scan tool data parameters list contains all ABS related parameters that are available on the scan tool. The list is arranged in alphabetical order. A given parameter may appear in any one of the data lists.
Parameter | System State | Expected Value | Description |
|---|---|---|---|
Operating Conditions: Ignition ON | |||
ABS Pump Motor Voltage | - | 0 V | The scan tool displays the commanded pump motor voltage. |
Acceleration Sensor Longitudinal Signal | - | Varies | The scan tool displays 0-5 V depending on the vehicle's longitudinal acceleration. |
Antilock Braking System | - | On | The scan tool displays On or Off. Off is displayed when the ABS is disabled. |
Brake Fluid Level Sensor | - | OK | The scan tool displays OK when the brake fluid is at correct level and Low when the brake fluid is low. |
Brake Pedal Position Sensor | Brake pedal released | Inactive | The scan tool displays Inactive or Active depending on the state of the brake pedal. |
Brake pedal applied | Active | ||
Brake Pressure Sensor | Brake pedal released | 0-1 V | The scan tool displays 0-5 V depending on the applied hydraulic brake pressure. |
Brake pedal applied | 1-5 V | ||
Delivered Torque | - | Varies | The scan tool displays 0-100% depending on the how much torque the engine is delivering. |
Dynamic Rear Proportioning Status | - | On | The scan tool displays On or Off. Off is displayed when the dynamic rear proportioning system is disabled. |
Lateral Acceleration Signal | - | Varies | The scan tool displays 0-5 V depending on the vehicle's lateral acceleration. |
Left Front Inlet Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the left front inlet solenoid valve is commanded ON. |
Left Front Outlet Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the left front outlet solenoid valve is commanded ON. |
Left Front Wheel Speed Sensor | - | 0 km/h (0 MPH) | The scan tool displays km/h (MPH) depending on the current speed of the left front wheel speed sensor. |
Left Rear Inlet Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the left rear inlet solenoid valve is commanded ON. |
Left Rear Outlet Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the left rear outlet solenoid valve is commanded ON. |
Left Rear Wheel Speed Sensor | - | 0 km/h (0 MPH) | The scan tool displays km/h (MPH) depending on the current speed of the left rear wheel speed sensor. |
Pump Motor Relay Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the pump motor is commanded ON. |
Primary Isolation Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the isolation solenoid valve is commanded ON. |
Primary Prime Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the prime solenoid valve is commanded ON. |
Requested Torque | - | Varies | The scan tool displays 0-100% depending on the how much torque is requested. |
Right Front Inlet Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the right front inlet solenoid valve is commanded ON. |
Right Front Outlet Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the right front outlet solenoid valve is commanded ON. |
Right Front Wheel Speed Sensor | - | 0 km/h (0 MPH) | The scan tool displays km/h (MPH) depending on the current speed of the right front wheel speed sensor. |
Right Rear Inlet Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the right rear inlet solenoid valve is commanded ON. |
Right Rear Outlet Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the right rear outlet solenoid valve is commanded ON. |
Right Rear Wheel Speed Sensor | - | 0 km/h (0 MPH) | The scan tool displays km/h (MPH) depending on the current speed of the right rear wheel speed sensor. |
Secondary Isolation Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the isolation solenoid valve is commanded ON. |
Secondary Prime Solenoid Valve Feedback | - | Inactive | The scan tool displays Inactive or Active. Active is displayed when the prime solenoid valve is commanded ON. |
Steering Column Position | Steering wheel in straight position | -5 to +5° | The scan tool displays °. This is the current position of the steering angle sensor. |
Steering wheel turned left until stop | 450-550° | ||
Steering wheel turned right until stop | -550 to -450° | ||
System Voltage | - | 11-14 V | The scan tool displays V. This is the current battery voltage. |
Traction Control System | Traction control switch released | On | The scan tool displays On or Off. Off is displayed when traction control is disabled. |
Traction control switch pressed | Off | ||
Variable Effort Steering Solenoid Valve Command | - | Varies | The scan tool displays A. This is the current applied to the variable effort steering solenoid valve. |
Variable Effort Steering Solenoid Valve Feedback | - | Varies | The scan tool displays A. This is the variable effort steering solenoid valve feedback signal. |
Vehicle Stability Enhancement System Relay Feedback | - | Inactive | The scan tool displays Inactive or Active depending on the state of the stability control. |
Vehicle Stability System | Traction control switch released | On | The scan tool displays On or Off. Off is displayed when stability control is disabled. |
Traction control switch pressed for 5 s | Off | ||
Yaw Rate Signal | - | Varies | The scan tool displays 0-5 V depending on the vehicle's yaw rate. |
Output Control | Description |
|---|---|
ABS Left Front Solenoid Valves | Commands the solenoid valves ON or OFF. |
ABS Left Rear Solenoid Valves | Commands the solenoid valves ON or OFF. |
ABS Pump Motor | Commands the ABS pump motor Increase or Decrease. |
ABS Right Front Solenoid Valves | Commands the solenoid valves ON or OFF. |
ABS Right Rear Solenoid Valves | Commands the solenoid valves ON or OFF. |
Automated Brake Bleed | This is used in order to bleed ABS hydraulics. Refer to Hydraulic Brake System Bleeding |
Brake Pressure Sensor Calibration | This is used in order to calibrate the brake pressure sensor. |
Pressure Control Solenoid Valve | Commands the variable effort steering solenoid valve Increase or Decrease. |
Steering Wheel Angle Sensor Learn | This function activates the steering wheel angle sensor learn procedure. |
Traction Control Left Front Solenoid Valves | Commands the solenoid valves ON or OFF. |
Traction Control Left Rear Solenoid Valves | Commands the solenoid valves ON or OFF. |
Traction Control Right Front Solenoid Valves | Commands the solenoid valves ON or OFF. |
Traction Control Right Rear Solenoid Valves | Commands the solenoid valves ON or OFF. |
Yaw Rate Sensor Learn | This function activates the yaw rate sensor learn procedure. |
| © Copyright Chevrolet. All rights reserved |
| © Copyright Chevrolet. All rights reserved |
