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SENSOR - BATTERY TEMPERATURE DESCRIPTION The Battery Temperature Sensor (BTS) is attached to the battery tray located under the battery. OPERATION The BTS is used to determine the battery temperature and control battery charging rate. This temperature data, The PCM sends 5 volts to the sensor and is grounded through the sensor return line. As temperature increases, The BTS is also used for OBD II diagnostics. Certain faults and OBD II monitors are either enabled or disabled, REMOVAL The battery temperature sensor (1) is located under 1. Remove battery. Refer to 8, Battery for procedures. 2. Disconnect sensor pigtail harness from engine wire harness electrical connector. 3. Pry sensor straight up from battery tray mounting hole. INSTALLATION The battery temperature sensor (1) is located under 1. Feed pigtail harness through hole in top of battery tray and press sensor into top of battery tray. 2. Connect pigtail harness. 3. Install battery. Refer to 8, Battery for procedures. 8F - 30 CHARGING SYSTEM KJ |