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Home >> Kia >> 2022 >> Sorento X-Line S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 262 (Cluster Module Diagnosis (PHEV)) >> DTC B1020-52: TPMS Missing Error - Without TPMS Unit Or Connector Fault >> Wiring Inspection >> Basic Inspection >> Notes

Basic Inspection: Notes

WARNING: This page is about a different variant/trim than selected.
WARNING: PHEV battery system uses high voltage.
It may cause death or damage due to electrical shock, if you do not follow below Instructions.
  • Follows instructions of service information.
  • Wear and use insulated gloves and tools.
  • Ignition "OFF", Disconnect ground cable of auxiliary battery and "OFF" the safety connector of the high voltage battery.
  • Check high voltage terminal on Power Relay Assembly is lower than 30V.
  • Be careful that it should not be short between terminals when measuring battery cell voltage. You may be injured due to spark, parts damage or electrical shock.
  • Metallic material cause high voltage short that may cause damage of life or vehicle. Therefore, get rid of all the metallic material before working. (Metallic Material: Watch, Ring, any metallic products etc.)
  • After disconnect high voltage cable, be careful not to happen short between exposed terminals on high voltage connector.
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