For 1990-2009 cars

#### Body Control Module (BCM)

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Operating Conditions: Ignition ON/Engine OFF/Wipers OFF
Battery Voltage Signal | Data | Volts | Varies
Windshield Washer Switch | Data | Active/Inactive | Inactive
Windshield Wiper Switch | Data | On/Off | Off
Wiper Motor Delay Time | Data | Seconds | 0
Wiper Motor Relay Command | Data | On/Off | Off
Wiper Motor Relay Status | Data | On/Off | Off
Wiper Park Switch | Data | Active/Inactive | Inactive
Wiper Switch | Data | Volts | 0