Scan Tool Data Definitions: Data

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.

Battery Voltage: The scan tool displays 0-17 volts. The battery voltage available to the Electronic Brake Control Module (EBCM).
EVO Actual Current: The scan tool displays the current the control module is actually commanding to the EVO solenoid.
EVO Command: The scan tool displays the state of the EVO solenoid.
EVO Desired Current: The scan tool displays the current the control module is trying to command to the EVO solenoid.
EVO Drive PWM: The scan tool displays the percentage of available voltage for the EVO solenoid.
EVOHI Feedback: The scan tool displays the output voltage from the control module to the EVO solenoid.
EVO Input Current: The scan tool displays the input voltage to the control module of the EVO solenoid.
EVOLOW Feedback: The scan tool displays the return voltage from the EVO solenoid to the control module.
Steering Wheel Position Sensor: The scan tool displays the output voltage of the of the steering wheel position sensor.
Steering Wheel Position Signal 1: The Scan Tool displays the output voltage of the signal 1 circuit of the Steering Wheel Position Sensor.
Steering Wheel Position Signal 2: The scan tool displays the output voltage of the signal 2 circuit of the Steering Wheel Position Sensor.
Steering Wheel Rate: The scan tool displays the speed at which the steering wheel is turning.
Vehicle Speed: The scan tool displays vehicle speed via a class 2 serial data circuit from the powertrain control module (PCM).