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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> On Board Charger Diagnosis (PHEV) (1 Of 2) >> Inspection Procedure When Unable To Charge The Vehicle >> Charging System Inspection >> Circuit Inspection

Circuit Inspection

G14967994Courtesy of KIA MOTORS AMERICA, INC.
High Voltage Cable Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect main battery safety plug, and wait for 5 minutes.
  3. Check high voltage terminal is lower than 30V.
  4. Disconnect auxiliary battery (-) cable.
  5. Disconnect high voltage cable of between HV junction block and main battery pack.
High voltage cable of high voltage junction block (+) High voltage cable of main battery pack (+) Approx. below 1Ω
High voltage cable of high voltage junction block (-) High voltage cable of main battery pack (-) Approx. below 1Ω
High voltage cable of high voltage junction block (+) High voltage cable of high voltage junction block (-) ∞ (infinity)Ω

Good 

No Good 

OBC fuse inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF"
  2. Disconnect main battery safety plug, and wait for 5 minutes.
  3. Check high voltage terminal is lower than 30V.
  4. Disconnect auxiliary battery (-) cable.
  5. Disconnect high voltage cable of HV junction block.
  6. Remove the EV fuse from the main battery pack and measure the resistance at both ends of the EV fuse.
EV fuse Input terminal EV fuse Output terminal Approx. below 1Ω

Good 

No Good