Pinpoint Test Y : B19A4: Notes
Refer to Climate Controlled Seats for schematic and connector information.
Normal Operation and Fault Conditions
The DCSM supplies voltage and ground to the driver seat backrest blower motor. The DCSM also sends a speed control voltage signal to the blower motor to control blower speed.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B19A4 | Driver Seat Back Blower Speed Short to Battery | If the driver seat backrest blower speed circuit is shorted to voltage, the DCSM shuts down the driver seat system and sets this DTC. |