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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Occupant Classification System Diagnosis (PHEV)) >> DTC B1680-87: Vehicle Speed Communication Fault >> 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.
G14962785Courtesy of KIA MOTORS AMERICA, INC.
CAN Communication Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "ON".
SRSCM connector 27 (C-CAN high) Chassis ground - Fig.1
SRSCM connector 26 (C-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Connect all module connectors in proper locations.
IEB connector 4 (C-CAN high) IEB connector 5 (C-CAN low) Approx. 60Ω
  1. Ignition "OFF".
  2. Disconnect ICU and SRSCM main connector.
SRSCM (component side) 27 (C-CAN high) SRSCM (component side) 26 (C-CAN low) Approx. 120Ω
ICU (component side) 20 (C-CAN high) ICU (component side) 19 (C-CAN low) Approx 120Ω
  1. Ignition "OFF".
  2. Remove all connectors of each C-CAN communication control module (Refer to the circuit diagram).
SRSCM connector 27 (C-CAN high) Chassis ground - ∞ (infinity)Ω
SRSCM connector 26 (C-CAN low) Chassis ground - ∞ (infinity)Ω
IEB connector 4 (C-CAN high) Chassis ground - ∞ (infinity)Ω
IEB connector 5 (C-CAN low) Chassis ground - ∞ (infinity)Ω
SRSCM connector 27 (C-CAN high) IEB connector 4 (C-CAN high) Approx. below 1Ω
SRSCM connector 26 (C-CAN low) IEB connector 5 (C-CAN low) Approx. below 1Ω
G14962786Courtesy of KIA MOTORS AMERICA, INC.

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