GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition: On, Engine: Off, All Doors Closed

All Door Unlock Relay

Door Lock Data

On/Off

Off

Battery Voltage

Lamp Status

Volts

12.3V

Door Lock Relay

Door Lock Data

On/Off

Off

Door Lock Switch

Door Lock Data

Volts

3.4V

Door Lock Switch

Door Lock Data

Unlock/Idle/Lock

Idle

Driver Door Ajar Sw.

Lamp Status

On/Off

Off

Driver Door Unlock Relay

Door Lock Data

On/Off

Off

Last 4 of GM Part No.

Controller Information

Numeric

varies

Passenger Door Ajar Sw.

Lamp Status

On/Off

Off