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

Low Washer Fluid

Inputs

Low/OK

OK

Wiper High Speed Switch

Inputs

On/Off

Off

Wiper Motor Low/Hi Speed Relay

Outputs

On/Off

Off

Wiper Motor Park Switch

Inputs

Active/Inactive

Active

Wiper Motor Relay

Outputs

On/Off

Off

Wiper Washer Motor

Outputs

On/Off

Off

Wiper Washer Switch

Inputs

Active/Inactive

Off