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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Front Radar System Diagnosis (PHEV) (2 Of 2)) >> DTC C1646-82: CAN Message Failure - TCU >> 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.
G14960963Courtesy of KIA MOTORS AMERICA, INC.
G14960964Courtesy 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".
TCM connector 16, 67, 68 (power) Chassis ground - B+
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
TCM connector 71, 73, 74 (ground) Chassis ground - Approx. below 1Ω
  1. Ignition "ON".
ICU connector 17 (P-CAN high) Chassis ground - Fig.1
ICU connector 18 (P-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
ICU connector 17 (P-CAN high) TCM connector 42 (P-CAN high) Approx. below 1Ω
ICU connector 18 (P-CAN low) TCM connector 41 (P-CAN low) Approx. below 1Ω
  1. Ignition "ON".
FR_RDR connector 4 (E-CAN high) Chassis ground - Fig.2
FR_RDR connector 5 (E-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
FR_RDR connector 4 (E-CAN high) ICU connector 31 (E-CAN high) Approx. below 1Ω
FR_RDR connector 5 (E-CAN low) ICU connector 32 (E-CAN low) Approx. below 1Ω
G14960965Courtesy of KIA MOTORS AMERICA, INC.
G14960966Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good