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Home >> Kia >> 2023 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (7 Of 9) >> DTC P2196-00: O2 Sensor Signal Stuck Rich (Bank 1 Sensor 1) >> Wiring Inspection >> Basic Inspection >> Notes
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Basic Inspection: Notes

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 12V battery, Open lower-voltage junction block cover which is in engine room and wait 5 minutes after disconnect A/S interlock. (Blocking high voltage electronic)
  • 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.