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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Front View Camera System Diagnosis (PHEV) (2 Of 2)) >> DTC C1646-86: 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.
G14961376Courtesy of KIA MOTORS AMERICA, INC.
G14961377Courtesy 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_CMR connector 10 (E-CAN high) Chassis ground - Fig.2
FR_CMR connector 4 (E-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
FR_CMR connector 10 (E-CAN high) ICU connector 31 (E-CAN high) Approx. below 1Ω
FR_CMR connector 4 (E-CAN low) ICU connector 32 (E-CAN low) Approx. below 1Ω
G14961378Courtesy of KIA MOTORS AMERICA, INC.
G14961379Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good