| Table 1: | Electronic Brake Control Scan Tool Parameters |
| Table 2: | Electronic Brake Control Scan Tool Output Controls |
Parameter | System State | Expected Value | Description |
|---|---|---|---|
Operating Conditions: Ignition ON, Engine OFF and Brake released | |||
Battery Voltage | -- | B+ | The scan tool displays battery voltage. |
Brake Light Switch | -- | Released | The scan tool displays Released/Applied. The scan tool displays Applied when the brake is applied. |
Left Front Wheel Speed | -- | Varies | This displays km/h (mph). This is the current speed of the left front wheel speed sensor. |
Left Rear Wheel Speed | -- | Varies | This displays km/h (mph). This is the current speed of the left rear wheel speed sensor. |
LF Dump Valve Command | -- | Off | The scan tool displays On/Off. The scan tool displays On when the left front dump valve is commanded on. |
LF Dump Valve Feedback | -- | Off | The scan tool displays On/Off. The scan tool displays On when the left front dump valve is energized. |
LF Hold Valve Command | -- | Off | The scan tool displays On/Off. The scan tool displays On when the left front hold valve is commanded on. |
LF Hold Valve Feedback | -- | Off | The scan tool displays On/Off. The scan tool displays On when the left front hold valve is energized. |
LR Dump Valve Command | -- | Off | The scan tool displays On/Off. The scan tool displays On when the left rear dump valve is commanded on. |
LR Dump Valve Feedback | -- | Off | The scan tool displays On/Off. The scan tool displays On when the left rear dump valve is energized. |
LR Hold Valve Command | -- | Off | The scan tool displays On/Off. The scan tool displays On when the left rear hold valve is commanded on. |
LR Hold Valve Feedback | -- | Off | The scan tool displays On/Off. The scan tool displays On when the left rear hold valve is energized. |
Pump Motor Relay | -- | Off | The scan tool displays On/Off. The scan tool displays On when the pump motor relay is commanded on. |
Right Front Wheel Speed | -- | Varies | This displays km/h (mph). This is the current speed of the right front wheel speed sensor. |
Right Rear Wheel Speed | -- | Varies | This displays km/h (mph). This is the current speed of the right rear wheel speed sensor. |
RF Dump Valve Command | -- | Off | The scan tool displays On/Off. The scan tool displays On when the right front dump valve is commanded on. |
RF Dump Valve Feedback | -- | Off | The scan tool displays On/Off. The scan tool displays On when the right front dump valve is energized. |
RF Hold Valve Command | -- | Off | The scan tool displays On/Off. The scan tool displays On when the right front hold valve is commanded on. |
RF Hold Valve Feedback | -- | Off | The scan tool displays On/Off. The scan tool displays On when the right front hold valve is energized. |
RR Dump Valve Command | -- | Off | The scan tool displays On/Off. The scan tool displays On when the right rear dump valve is commanded on. |
RR Dump Valve Feedback | -- | Off | The scan tool displays On/Off. The scan tool displays On when the right rear dump valve is energized. |
RR Hold Valve Command | -- | Off | The scan tool displays On/Off. The scan tool displays On when the right rear hold valve is commanded on. |
RR Hold Valve Feedback | -- | Off | The scan tool displays On/Off. The scan tool displays On when the right rear hold valve is energized. |
Valve Relay State | -- | On | The scan tool displays On/Off. The scan tool displays On when the valve relay is commanded on. |
Output Control | Description |
|---|---|
ABS Lamp Test | This is used in order to command the ABS Lamp On or Off. |
Automated System Bleed | This is used in order to bleed ABS hydraulics. Refer to Antilock Brake System Automated Bleed Procedure . |
Brake Warning Lamp | This is used in order to command the Brake Lamp On or Off. |
Left Front Solenoid Valve Test | Commands the indicated solenoid ON and OFF. |
Left Rear Solenoid Valve Test | Commands the indicated solenoid ON and OFF. |
Pump Motor Test | This is used in order to command the ABS pump motor On or Off. |
Right Front Solenoid Valve Test | Commands the indicated solenoid ON and OFF. |
Right Rear Solenoid Valve Test | Commands the indicated solenoid ON and OFF. |
