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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Engine Control System Diagnosis (PHEV) (10 Of 10)) >> DTC U0623-00: Lost Communication With Coolant Pump 'A' >> Wiring Inspection >> Circuit Inspection

Circuit 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.
G14964125Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
  3. Ignition "ON".
Electronic water pump connector 3 (ON/START Input) Chassis ground - B+
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
Electronic water pump connector 1 (Memory power) Chassis ground - B+
Electronic water pump connector 2 (ground) Chassis ground - Approx. below 1Ω
Electronic water pump connector 4 (LIN) ECM connector 44 (LIN) Approx. below 1Ω
  1. Engine "ON".
Electronic water pump connector 3 (ON/START Input) Chassis ground - Fig.1
Electronic water pump connector 4 (LIN) Chassis ground -
G14964126Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good