GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Vehicle in park with Ignition switch ON

ALC Exhaust Solenoid

Data Display

Active / Inactive

Inactive

Battery Voltage Signal

Data Display

Volts

9 - 16

Compressor Relay

Data Display

ON / OFF

OFF

Compressor Temperature

Data Display

OK / Hot

OK

Door Switch

Data Display

Open / Closed

Closed

Engine Running

Data Display

Yes / No

No

ERH Lamp Command

Data Display

On / Off

Off

ERH Switch

Data Display

Presse / Released

Released

Height Sensor Current

Data Display

ma

19ma

Height Sensor Supply Status

Data Display

On / Off

On

Ignition

Data Display

On / Off

On

Ignition 3

Data Display

Volts

12-14.7

Inflator Switch

Data Display

Pressed / Released

Released

Inflator Switch Lamp Command

Data Display

ON / Off

OFF

Left Height Sensor

Data Display

Volts

2.50-3.50

Left Isolation Valve

Data Display

Active / Inactive

Inactive

Neutral Switch

Data Display

On / Off

Off

Number of DTCs

Data Display

Number

0

Park Switch

Data Display

On / Off

On

Ride Height Status

Data Display

Norma / Extended

Normal

Right Height Sensor

Data Display

Volts

2.50-3.50

Right Isolation Valve

Data Display

Active / Inactive

Inactive

Total Valve Current

Data Display

ma

0

Tow / Haul Mode

Data Display

Active / Inactive

Inactive

Trim Height Learned

Data Display

Yes / No

Yes

Vehicle Speed

Data Display

mph/km/h

0