Pinpoint Test X : DTC B19A3: Notes
Refer to CLIMATE CONTROLLED SEATS for schematic and connector information.
Normal Operation and Fault Conditions
The SCME supplies voltage and ground to the driver seat cushion blower motor. The SCME also sends a speed control voltage signal to the blower motor to control blower speed.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B19A3 | Driver Seat Cushion Blower Speed Short to Battery | If the driver seat cushion blower speed circuit is shorted to voltage, the SCME shuts down the driver seat system and sets this DTC. |
Possible Causes
- Wiring, terminals or connectors
- Cushion blower motor
- SCME