GM Service Manual Online
For 1990-2009 cars only

Driver Door Switch (DDS)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Doors Closed

Battery Voltage Signal

Data

Volts

9-16 Volts

Memory Recall Switches

Inputs

Volts

Varies

Memory Switch 12 V Reference

Data

Volts

11.9 Volts

Mirror 5 V Reference

Data

Volts

4.9 Volts

Mirror Horizontal Position

Data

Volts

0.5-4.5 Volts

Mirror Vertical Position

Data

Volts

0.5-4.5 Volts

Mirror Fold Switch

Inputs

Idle/Extend/Retract

Idle

Mirror Motor

Inputs

Idle/Left/Right/Up/Down/Invalid

Idle

Mirror Select Switch

Inputs

Idle/Right/Left

Idle