GM Service Manual Online
For 1990-2009 cars only
Table 1: Electronic Suspension Control Scan Tool Data Parameters
Table 2: Electronic Suspension Control Scan Tool Output Controls

Electronic Suspension Control Scan Tool Data Parameters

Parameter

System State

Expected Value

Description

Operating Conditions: Ignition ON, Suspension control select switch ON

Battery Voltage

--

Varies

This displays volts. This is the voltage input supplied to the module.

Ignition Voltage Status

--

Active

This displays Active. This indicates that ignition voltage is supplied to the module.

Suspension Control Select Switch Status

--

ON

This displays ON. This indicates the state of the switch.

Suspension Control Selection Indicator Status

--

ON

This displays ON. This indicates the state of the indicator.

Service Suspension Control Indicator

--

OFF

This displays OFF. This indicates the state of the Service Suspension Control indicator.

Vehicle Speed

--

0 km/h (0 mph)

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

Right Front Position Sensor

--

Volts

This displays Volts. This is the current right front position sensor voltage.

Right Front Damper Actuator Command

--

Varies

This displays %. This is the current right front damper actuator command percentage.

Left Front Position Sensor

--

Volts

This displays Volts. This is the current left front position sensor voltage.

Left Front Damper Actuator Command

--

Varies

This displays %. This is the current left front damper actuator command percentage.

Right Rear Position Sensor

--

Volts

This displays Volts. This is the current right rear position sensor voltage.

Right Rear Damper Actuator Command

--

Varies

This displays %. This is the current right rear damper actuator command percentage.

Left Rear Position Sensor

--

Volts

This displays Volts. This is the current left rear position sensor voltage.

Left Rear Damper Actuator Command

--

Varies

This displays %. This is the current left rear damper actuator command percentage.

Lift/Dive Status

--

Neutral

This displays Neutral. This indicates the state of the vehicle position.

Lift/Dive Change

--

Unchanged

This displays Unchanged. This indicates if the vehicle position has changed since the last sensor update.

Test Normal Force Left Rear

--

ON

This displays ON. This the state of the left rear damper actuator.

Test Normal Force Right Rear

--

ON

This displays ON. This the state of the right rear damper actuator.

Test Normal Force Left Front

--

ON

This displays ON. This the state of the left front damper actuator.

Test Normal Force Right Front

--

ON

This displays ON. This the state of the right front damper actuator.

Normal Force Left Front

--

20%

This displays 0-100%. This indicates the applied duty cycle of the left front damper actuator.

Normal Force Right Front

--

Varies

This displays 0-100%. This indicates the applied duty cycle of the right front damper actuator.

Normal Force Left Rear

--

Varies

This displays 0-100%. This indicates the applied duty cycle of the left rear damper actuator.

Normal Force Right Rear

--

Varies

This displays 0-100%. This indicates the applied duty cycle of the right rear damper actuator.

Electronic Suspension Control Scan Tool Output Controls

Output Control

Description

Static Test Damper Front

When commanded ON, both front shock damper actuators activate until commanded OFF.

Static Test Damper Rear

When commanded ON, both rear shock damper actuators activate until commanded OFF.

Cycle Test Damper Front

When commanded ON, both front shock damper actuators cycle between ON and OFF until commanded OFF.

Cycle Test Damper Rear

When commanded ON, both rear shock damper actuators cycle between ON and OFF until commanded OFF.