GM Service Manual Online
For 1990-2009 cars only

Power Steering Control Module Scan Tool Information without HP5

Table 1: Power Steering Control Module Scan Tool Data Parameters
Table 2: Power Steering Control Module Scan Tool Output Controls

Power Steering Control Module Scan Tool Data Parameters

Parameter

System State

Expected Value

Definition

Operating Conditions: Ignition ON

Calculated System Temperature

--

Varies

This displays °C (°F). This is the calculated temperature of the power steering system.

Overload Protection Incidents

--

Varies

This displays a numeric value. This is the number of incidents where the system was protected from overload.

Steering Shaft Torque

--

Varies

This displays N-m. This is the calculated force of the steering shaft, as monitored by the power steering control module.

Steering Wheel Position

--

Varies

This displays °. This is the state of the steering wheel position.

Vehicle Speed Status

--

Valid

The scan tool displays Valid or Invalid. This is the current state of the vehicle speed.

Power Steering Control Module Scan Tool Output Controls

Scan Tool Output Control

Description

Steering Pos./Torque Sensor Cal.

This is used to calibrate the steering position/torque sensor.

Power Steering Control Module Scan Tool Information with HP5

Table 1: Power Steering Control Module Scan Tool Data Parameters
Table 2: Power Steering Control Module Scan Tool Output Controls

Power Steering Control Module Scan Tool Data Parameters

Parameter

System State

Expected Value

Definition

Operating Conditions: Ignition ON

Calculated System Temperature

--

Varies

This displays °C (°F). This is the calculated temperature of the power steering system.

Battery Voltage

--

Varies

This displays battery voltage.

PSCM SPS Calibration Status

--

Varies

The scan tool displays if PCSM calibration procedure has been completed or not.

PSCM Center Procedure

--

Varies

The scan tool displays if PCSM centering procedure has been completed or not.

Steering Shaft Torque

--

Varies

This displays N-m. This is the calculated force of the steering shaft, as monitored by the power steering control module.

Steering Wheel Position

--

Varies

This displays °. This is the state of the steering wheel position.

Vehicle Speed

--

Varies

This displays the actual vehicle speed.

Vehicle Speed Status

--

Valid

The scan tool displays Valid or Invalid. This is the current state of the vehicle speed.

Power Steering Control Module Scan Tool Output Controls

Scan Tool Output Control

Description

Steering Pos./Torque Sensor Cal.

This is used to calibrate the steering position/torque sensor.