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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Rear Corner Radar System Diagnosis (PHEV)) >> DTC C183E-81: Invalid Signal Of ICU >> 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.
G14967847Courtesy 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".
ICU connector 31 (ACC Input) Chassis ground - B+
ICU connector 2 (ON/START Input) Chassis ground - B+
ICU connector 17 (ON Input) Chassis ground - B+
ICU connector 1, 3, 4, 5, 6 (Memory power) Chassis ground - B+
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
ICU connector 13, 25 (ground) Chassis ground - Approx. below 1Ω
  1. Ignition "ON".
ICU connector 31 (E-CAN high) Chassis ground - Fig.1
ICU connector 32 (E-CAN low) Chassis ground -
G14967848Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good 

Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF" and disconnect the battery.
  2. Disconnect the electrical connector(s) from the concerned component.
RR_C_RDR (RH) connector 3 (E-CAN high) RR_C_RDR (RH) connector 2 (E-CAN low) Approx. 60Ω
ICU (component side) 31 (E-CAN high) ICU (component side) 32 (E-CAN low) Approx. 120Ω
RR_C_RDR (RH) connector 3 (E-CAN high) ICU connector 31 (E-CAN high) Approx. below 1Ω
RR_C_RDR (RH) connector 2 (E-CAN low) ICU connector 32 (E-CAN low) Approx. below 1Ω

Good 

No Good