For 1990-2009 cars

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Operating Conditions: Ignition ON/Engine ON/Steering wheel centered/No force applied to steering wheel
Battery Voltage | PSCM | Volts | 15.0
Ignition Voltage | PSCM | Volts | 15.0
Motor Voltage + | PSCM | Volts | 0.0
Motor Voltage - | PSCM | Volts | 0.0
Steering Calibration | PSCM | Numeric 1-8 | 4
Steering Shaft Torque | PSCM | N·m or lb ft | 0.00
Vehicle Speed | PSCM | km/h or mph | 0