GM Service Manual Online
For 1990-2009 cars only

Power Steering Control Module Scan Tool Data Parameters

Parameter

System State

Expected Value

Description

Operating Conditions: Ignition ON

Battery Voltage

--

Varies

This displays Volts. This is the current battery voltage.

Ignition Voltage

--

Varies

This displays Volts. This is the current ignition voltage.

Motor Voltage +

--

Varies

This displays Volts.

Motor Voltage -

--

Varies

This displays Volts.

Steering Calibration

--

Varies

This displays a numeric value.

Steering Shaft Torque

--

Varies

This displays N·m.

Vehicle Speed

--

0 km/h (0 mph)

This displays km/h (mph). This is the current vehicle speed.