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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Engine Control System Diagnosis - 2.0L (6 Of 6)) >> DTC U042B-00: CAN Communication Failure With Hill Assist Control >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
G13507198Courtesy of KIA MOTORS AMERICA, INC.
G13507199Courtesy of KIA MOTORS AMERICA, INC.
G13507200Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
 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
  1. Ignition "ON".
 ECM/PCM connector 77 (P-CAN high) Chassis ground - Fig.1
ECM/PCM connector 60 (P-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
 ECM/PCM connector 77 (P-CAN high) HECU connector (W/O EPB) 8 (P-CAN high) Approx. below 1Ω
ECM/PCM connector 60 (P-CAN low) HECU connector (W/O EPB) 7 (P-CAN low) Approx. below 1Ω
ECM/PCM connector 77 (P-CAN high) HECU connector (with EPB) 23 (P-CAN high) Approx. below 1Ω
ECM/PCM connector 60 (P-CAN low) HECU connector (with EPB) 22 (P-CAN low) Approx. below 1Ω
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
 HECU connector (W/O EPB) 8 (P-CAN high) HECU connector (W/O EPB) 7 (P-CAN low) Approx. 60Ω
HECU connector (with EPB) 23 (P-CAN high) HECU connector (with EPB) 22 (P-CAN low) Approx. 60Ω
  1. Ignition "OFF".
  2. Disconnect battery (-) cable.
  3. Disconnect the electrical connector(s) from the concerned component.
 ICU (component side) 9 (P-CAN high) ICU (component side) 8 (P-CAN low) Approx. 120Ω
ECM/PCM (component side) 77 (P-CAN high) ECM/PCM (component side) 60 (P-CAN low) Approx. 120Ω
G13507201Courtesy of KIA MOTORS AMERICA, INC.
Module Circuit Inspection
Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
 HECU connector (W/O EPB) 1, 25 (Memory power) Chassis ground - B+
HECU connector (W/O EPB) 32 (ON/START Input) 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
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
 HECU connector (With EPB) 1, 30 (Memory power) Chassis ground - B+
HECU connector (With EPB) 37 (ON/START Input) Chassis ground - B+
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
 HECU connector (With EPB) 14, 46 (ground) Chassis ground - Approx. below 1Ω

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