{
  "$type": "site.standard.document",
  "description": "An automated battery isolation testing (ABIT) system for a high voltage battery system of an electrified vehicle includes a dual-channel digital multimeter (DMM) and a control unit configured to, using first and second channels of the dual-channel DMM, measure first and second voltages between…",
  "path": "/patents/1381618",
  "publishedAt": "2026-04-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L58/16",
    "FCA US LLC"
  ],
  "textContent": "An automated battery isolation testing (ABIT) system for a high voltage battery system of an electrified vehicle includes a dual-channel digital multimeter (DMM) and a control unit configured to, using first and second channels of the dual-channel DMM, measure first and second voltages between negative and positive terminals of the high voltage battery system and a chassis ground of the electrified vehicle, respectively, and based on a comparison therebetween, inserting a resistor having a known resistance between one of the negative and positive terminals and the chassis ground and obtain an updated first or second voltage and thereafter calculating an isolation resistance of the high voltage battery system and selectively generating a malfunction alert based on a comparison between the calculated isolation resistance and an isolation resistance threshold.",
  "title": "AUTOMATED BATTERY ISOLATION TESTING SYSTEM WITH DUAL-CHANNEL MULTIMETER INTEGRATION FOR ELECTRIFIED VEHICLES"
}