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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (HEV Battery System Diagnosis (PHEV) (2 Of 2)) >> DTC P1B77-00: Inverter Capacitor Precharging Fault >> Component Inspection >> Inverter (+) And (-) CAP Capacity Inspection

Inverter (+) And (-) CAP Capacity Inspection

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition "OFF".
  2. Disconnect the auxiliary battery (-) connector.
  3. Remove the safety plug, and check that the high voltage terminal voltage is less than 30V.
  4. Disconnect the inverter connectors.
  5. Set the multi-meter to CAP measuring setting.
  6. Monitor specification below.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
Inverter (+) Inverter (-) Approx. 580μF
G14968990Courtesy of KIA MOTORS AMERICA, INC.

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