For 1990-2009 cars only
| Table 1: | Body Control Module (BCM) |
| Table 2: | HVAC Control Module |
Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
Ignition On/Engine Off | |||
Rear Defog Relay | Outputs | On/Off | Off |
Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
Ignition On/Engine Off | |||
Rear Defrost Switch | Input/Output | On/Off | Off |
