Diesel Data: Automotive Repair

Battery Temperature Sensor: Description and Operation

SYSTEM OPERATION
The battery temperature sensor is used to determine the battery temperature. This temperature data, along with data from monitored line voltage, is used by the (PCM) to vary the battery charging rate. System voltage will be higher at colder temperatures and is gradually reduced at warmer temperatures.


Battery Temperature Sensor:




The sensor is located forward of the vehicle battery, and is attached to the battery tray.