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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Abs/Esp Diagnosis (PHEV) (3 Of 4)) >> 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.
G14942529Courtesy of KIA MOTORS AMERICA, INC.
Module Circuit Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
TCM connector 67, 68 (power) Chassis ground - B+
TCM connector 71, 73, 74 (ground) Chassis ground - Approx. below 1Ω
  1. Ignition "ON".
TCM connector 16 (ON/START) Chassis ground - B+

Good 

No Good 

CAN communication circuit Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "ON".
IEB connector 8 (H-CAN high) Chassis ground - Fig.1
IEB connector 9 (H-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
IEB connector 8 (H-CAN high) TCM connector 44 (H-CAN high) Approx. below 1Ω
IEB connector 9 (H-CAN low) TCM connector 43 (H-CAN low) Approx. below 1Ω
  1. Ignition "OFF".
  2. Disconnect the auxiliary battery (-) connector.
  3. Disconnect the electrical connector(s) from the concerned component.
IEB connector 8 (H-CAN high) IEB connector 9 (H-CAN low) Approx. 60Ω
G14942530Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good