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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Low Dc/Dc Converter Diagnosis (PHEV) (1 Of 2)) >> Discharged Auxiliary Battery Inspection >> System Inspection >> Auxiliary battery Sensor Inspection >> Inspection Procedure

Inspection Procedure

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  1. Faulty battery sensor and auxiliary battery deterioration may cause auxiliary battery discharge. Check battery sensor and auxiliary battery.
  2. Check the battery sensor status referring to Fig.1. (Select LDC system and click current data)
    • Check the deterioration of the auxiliary battery and replace the auxiliary battery if necessary.
    • Check the battery sensor when the battery sensor value is fixed.
  3. Perform further detailed checks with reference to the field examples below.
G14961646Courtesy of KIA MOTORS AMERICA, INC.
Field Example: Faulty auxiliary battery sensor → Fixing sensor value
Item Inspection Procedure Reference
Problem Symptom
  • Cluster cluster-warning lamp "ON", engine "OFF" during running, or starting failure
  • No LDC DTC
Fig.2
Possible Cause
  • Faulty auxiliary battery sensor → Current value fixed at 160A → Charging performance degradation → Auxiliary battery discharge
G14961647Courtesy of KIA MOTORS AMERICA, INC.

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