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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (HEV Motor Control System Diagnosis (PHEV) (2 Of 2)) >> DTC U0401-00: Invalid Data Received From ECM/PCM 'A' >> 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.
G14962692Courtesy of KIA MOTORS AMERICA, INC.
G14962693Courtesy of KIA MOTORS AMERICA, INC.
G14962694Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect auxiliary battery (-) cable.
  3. Disconnect the electrical connector(s) from the concerned component.
BMU (component side) 20 (G-CAN high) BMU (component side) 19 (G-CAN low) Approx. 120Ω
ICU (component side) 29 (G-CAN high) ICU (component side) 30 (G-CAN low) Approx. 120Ω
HPCU connector 90 (G-CAN high) HPCU connector 91 (G-CAN low) Approx. 60Ω
ICU (component side) 17 (P-CAN high) ICU (component side) 18 (P-CAN low) Approx. 120Ω
ECM (component side) 62 (P-CAN high) ECM (component side) 45 (P-CAN low) Approx. 120Ω
ECM connector 62 (P-CAN high) ECM connector 45 (P-CAN low) Approx. 120Ω
ECM (component side) 80 (H-CAN high) ECM (component side) 81 (H-CAN low) Approx. 120Ω
BMS (component side) 16 (H-CAN high) BMS (component side) 15 (H-CAN high) Approx. 120Ω
ECM connector 80 (H-CAN high) ECM connector 81 (H-CAN low) Approx. 120Ω
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
ECM connector 3, 60 (Memory power) Chassis ground - B+
ECM connector 26 (ON/START Input) Chassis ground - B+
  1. Ignition "OFF".
  2. Disconnect auxiliary battery (-) cable.
  3. Disconnect the electrical connector(s) from the concerned component.
ECM connector 1, 2, 4 (ground) Chassis ground - Approx. below 1Ω
ECM connector 62 (P-CAN high) ICU connector 17 (P-CAN high) Approx. below 1Ω
ECM connector 45 (P-CAN low) ICU connector 18 (P-CAN low) Approx. below 1Ω
ICU connector 29 (G-CAN high) HPCU connector 90 (G-CAN high) Approx. below 1Ω
ICU connector 30 (G-CAN low) HPCU connector 91 (G-CAN low) Approx. below 1Ω
ECM connector 62 (P-CAN high) Chassis ground - ∞ (infinity)Ω
ECM connector 45 (P-CAN low) Chassis ground - ∞ (infinity)Ω
ECM connector 80 (H-CAN high) HPCU connector 93 (H-CAN high) Approx. below 1Ω
ECM connector 81 (H-CAN low) HPCU connector 94 (H-CAN low) Approx. below 1Ω
ECM connector 80 (H-CAN high) Chassis ground - ∞ (infinity)Ω
ECM connector 81 (H-CAN low) Chassis ground - ∞ (infinity)Ω
  1. Ignition "ON".
  2. Connect the VMI to KDS.
HPCU connector 90 (G-CAN high) Chassis ground - Fig.1
HPCU connector 91 (G-CAN low) Chassis ground -
ECM connector 62 (P-CAN high) Chassis ground - Fig.2
ECM connector 45 (P-CAN low) Chassis ground -
ECM connector 80 (H-CAN high) Chassis ground - Fig.3
ECM connector 81 (H-CAN low) Chassis ground -
G14962695Courtesy of KIA MOTORS AMERICA, INC.
G14962696Courtesy of KIA MOTORS AMERICA, INC.
G14962697Courtesy of KIA MOTORS AMERICA, INC.

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