GM Service Manual Online
For 1990-2009 cars only

BCM Data

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: ignition ON, engine OFF.

Battery Voltage Signal

BCM Data

Volts

13.5

Windshield Wiper Switch

BCM Data

Off/ Delay 1/ Delay 2/ Delay 3/ Delay 4/ Delay 5/ Low

Off

Wiper Park Switch

BCM Data

On/Off

On

Windshield Washer Switch

BCM Data

On/Off

Off

Wiper motor Delay Time

BCM Data

Seconds

0

Wiper Motor Relay Command

BCM Data

On/Off

Off

Wiper Motor Relay Status

BCM Data

On/Off

Off