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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Motor Driven Power Steering System Diagnosis (PHEV)) >> DTC C1614-87: CAN Time-Out HCU >> 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.
G14941396Courtesy of KIA MOTORS AMERICA, INC.
G14941397Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
HPCU connector 4, 5, 6, 73 (power) Chassis ground - B+
  1. Ignition "OFF".
  2. Disconnect the battery (-) terminal.
  3. Disconnect the electrical connector(s) from the concerned component.
HPCU connector 1, 2, 3 (ground) Chassis ground - Approx. below 1Ω
  1. Ignition "ON".
  2. Measure the waveform using VMI.
ICU connector 20 (C-CAN high) Chassis ground - Fig.1
ICU connector 19 (C-CAN low) Chassis ground -
HPCU connector 90 (G-CAN high) Chassis ground - Fig.2
HPCU connector 91 (G-CAN low) Chassis ground -
G14941398Courtesy of KIA MOTORS AMERICA, INC.
G14941399Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good 

C-CAN Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect the battery (-) terminal.
  3. Disconnect the electrical connector(s) from the concerned component.
MDPS unit connector 7 (C-CAN high) MDPS unit connector 8 (C-CAN low) Approx. 60Ω
MDPS unit connector 7 (C-CAN high) ICU connector 20 (C-CAN high) Approx. below 1Ω
MDPS unit connector 8 (C-CAN low) ICU connector 19 (C-CAN low) Approx. below 1Ω

Good 

No Good 

G-CAN Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect the battery (-) terminal.
  3. Disconnect the electrical connector(s) from the concerned component.
HPCU connector 90 (G-CAN high) HPCU connector 91 (G-CAN low) Approx. 60Ω
ICU connector 29 (G-CAN high) HPCU connector 90 (G-CAN high) Approx. below 1Ω
ICU connector 30 (G-CAN low) HPCU connector 91 (G-CAN low) Approx. below 1Ω

Good 

No Good