GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Park brake set with ignition switch ON

Compressor Signal

Data Display

ON/OFF

OFF

Controller Battery Volts

Data Display

Volts

12-14.7

Exhaust Signal

Data Display

ON/OFF

OFF

Left Rear Position Sensor

Data Display

Volts

0.5-4.85

Rear Leveling Air Press

Data Display

psi/kpa

-16.0-187.8

Rear Leveling Air Press

Data Display

Volts

0.15-4.85

Right Rear Position Sensor

Data Display

Volts

0.5-4.85

Sensor Supply Voltage

Data Display

Volts

4.85

Vehicle Speed

Data Display

mph/kmph

0