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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Advanced Driver Assistance Systems Parking 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.
G14963314Courtesy of KIA MOTORS AMERICA, INC.
G14963315Courtesy 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".
PCA-R connector 6 (E-CAN high) Chassis ground - Fig.2
PCA-R connector 20 (E-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
PCA-R connector 6 (E-CAN high) ICU connector 31 (E-CAN high) Approx. below 1Ω
PCA-R connector 20 (E-CAN low) ICU connector 32 (E-CAN low) Approx. below 1Ω
G14963316Courtesy of KIA MOTORS AMERICA, INC.
G14963317Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good