GM Service Manual Online
For 1990-2009 cars only

Wiper/Washer

Parameter

Unit

Typical Data Value

Operating Conditions: Ignition in RUN Position, Engine OFF, All Doors CLOSED, Park Brake Applied (DRLs OFF)

Battery 1

Volts

Varies

Front Washer Motor Input

On/Off

Off

Front Wiper Relay Cmd.

On/Off

Off

Front Wiper Relay Fdbk.

High/Low

High

Front Wiper Switch

On/Off

Off

Washer Fluid Level

Low/Ok

Ok

Wiper Delay Input

Volts

Varies

Wiper Delay 1

Yes/No

Varies

Wiper Delay 2

Yes/No

Varies

Wiper Delay 3

Yes/No

Varies