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Home >> Kia >> 2023 >> Sorento X-Line EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Engine Control System Diagnosis - 2.5L (VIN C) (13 Of 14) (Except HEV)) >> DTC U012A-F8: Lost Communication With ICSC Module >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

WARNING: This page is about a different variant/trim than selected.
G13682438Courtesy of KIA MOTORS AMERICA, INC.
CAN Communication Line Inspection
Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Ignition "ON".
HECU connector (W/O EPB) 8 (P-CAN high) Chassis ground - Fig.1
HECU connector (W/O EPB) 7 (P-CAN low) Chassis ground -
HECU connector (with EPB) 23 (P-CAN high) Chassis ground - Fig.1
HECU connector (with EPB) 22 (P-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
PCM connector 6 (P-CAN high) PCM connector 7 (P-CAN low) Approx. 60Ω
ICU (component side) 17 (P-CAN high) ICU (component side) 18 (P-CAN low) Approx. 120Ω
HECU connector (W/O EPB) 8 (P-CAN high) Chassis ground - ∞ (infinity)Ω
HECU connector (W/O EPB) 7 (P-CAN low) Chassis ground - ∞ (infinity)Ω
HECU connector (with EPB) 23 (P-CAN high) Chassis ground - ∞ (infinity)Ω
HECU connector (with EPB) 22 (P-CAN low) Chassis ground - ∞ (infinity)Ω
G13682439Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good 

Module Circuit Inspection
Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
  3. Ignition "ON".
HECU connector (W/O EPB) 1, 25, 32 (power) Chassis ground - B+
HECU connector (with EPB) 1, 30, 37 (power) Chassis ground - B+
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
HECU connector (W/O EPB) 13, 38 (ground) Chassis ground - Approx. below 1Ω
HECU connector (with EPB) 14, 46 (ground) Chassis ground - Approx. below 1Ω

Good 

No Good