Table 1: | Electronic Brake Control Module Scan Tool Data Parameters |
Table 2: | Electronic Brake Control Module Scan Tool Output Controls |
Parameter | System State | Expected Value | Definition |
---|---|---|---|
Operating Conditions: Ignition ON, Engine OFF, Brake Released | |||
ABS Lamp Command | -- | Off | The scan tool displays On or Off. The currently commanded state of the ABS warning indicator. |
ABS Pump Motor | -- | Off | The scan tool displays On or Off. The scan tool displays On when the ABS pump motor is commanded on. |
ABS Relay Command | -- | On | The scan tool displays On or Off. The scan tool displays the commanded state of the ABS system relay. |
Battery Voltage | -- | Varies | This displays volts. The scan tool displays the approximate voltage supplied by the battery and charging system. |
Brake Switch Status | -- | Off | The scan tool displays On or Off. The current state of the brake switch. |
Delivered Torque | -- | Varies | The scan tool displays 11-91%. The scan tool displays 11% when the PCM provides the minimum percentage of available torque in an attempt to eliminate wheel slip. |
Left Front Wheel Speed | -- | 0 km/h (0 mph) | This displays km/h (mph). This is the current speed of the left front wheel speed sensor. |
LF Dump Valve Command | -- | Off | The scan tool displays On or Off. On is displayed when the left front dump valve solenoid is commanded on. |
LF Iso. Valve Command | -- | Off | The scan tool displays On or Off. On is displayed when the left front isolation valve solenoid is commanded on. |
Low Trac: TCS Active | -- | No | The scan tool displays Yes/No. The scan tool displays Yes when the low trac message is displayed. |
Rear Wheel Speed | -- | km/h | The scan tool displays 0-257 km/h (0-160 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving. |
Rear Dump Valve Command | -- | Off | The scan tool displays On or Off. On is displayed when the rear dump valve solenoid is commanded on. |
Rear Iso. Valve Command | -- | Off | The scan tool displays On or Off. On is displayed when the rear isolation valve solenoid is commanded on. |
Requested Torque | -- | Varies | The scan tool displays 11-91%. The scan tool displays 11% when the EBCM requests the minimum percentage of available torque in an attempt to eliminate wheel slip. |
RF Dump Valve Command | -- | Off | The scan tool displays On or Off. On is displayed when the right front dump valve solenoid is commanded on. |
RF Iso. Valve Command | -- | Off | The scan tool displays On or Off. On is displayed when the right front isolation valve solenoid is commanded on. |
Right Front Wheel Speed | -- | 0 km/h (0 mph) | This displays km/h (mph). This is the current speed of the right front wheel speed sensor. |
TCS Failed | -- | No | The scan tool displays Yes/No. The scan tool displays Yes when the traction fault message is displayed. |
TCS On/Off Switch | -- | Off | The scan tool displays On or OFF. On is displayed when TCS is commanded. |
Traction Control | -- | Not Requested | The scan tool displays Requested or Not Requested. Request is displayed when traction control is commanded on. |
Scan Tool Output Control | Description |
---|---|
ABS Motor | This is used in order to command the ABS pump motor On or Off. |
LF Inlet Valve Solenoid | Commands the indicated solenoid ON and OFF. |
LF Outlet Valve Solenoid | Commands the indicated solenoid ON and OFF. |
Rear Inlet Valve Solenoid | Commands the indicated solenoid ON and OFF. |
Rear Outlet Valve Solenoid | Commands the indicated solenoid ON and OFF. |
RF Inlet Valve Solenoid | Commands the indicated solenoid ON and OFF. |
RF Outlet Valve Solenoid | Commands the indicated solenoid ON and OFF. |