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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 B1697-87: ACU Communication Error >> 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.
G14962805Courtesy of KIA MOTORS AMERICA, INC.
CAN Communication Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "ON".
OCS ECU connector 5 (C-CAN high) Chassis ground - Fig.1
OCS ECU connector 4 (C-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Connect all module connectors related to C-CAN.
OCS ECU connector 5 (C-CAN high) OCS ECU connector 4 (C-CAN low) Approx. 60Ω
  1. Ignition "OFF".
  2. Disconnect SRSCM and ICU connectors.
SRSCM (component side) 27 (C-CAN high) SRSCM (component side) 26 (C-CAN low) Approx. 120Ω
ICU (component side) 20
(C-CANhigh)
ICU (component side) 19 (C-CAN low) Approx. 120Ω
  1. Ignition "OFF".
  2. Disconnect all module connectors related to C-CAN.
  3. Ignition "ON".
OCS ECU connector 5 (C-CAN high) Chassis ground - 0V
OCS ECU connector 4 (C-CAN low) Chassis ground - 0V
  1. Ignition "OFF".
  2. Disconnect all module connectors related to C-CAN.
OCS ECU connector 5 (C-CAN high) Chassis ground - ∞ (infinity)Ω
OCS ECU connector 4 (C-CAN low) Chassis ground - ∞ (infinity)Ω
OCS ECU connector 5 (C-CAN high) SRSCM connector 27 (C-CAN high) Approx. below 1Ω
OCS ECU connector 4 (C-CAN low) SRSCM connector 26 (C-CAN low) Approx. below 1Ω
G14962806Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good