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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Control System Diagnosis - 1.6L (3 Of 3)) >> DTC U0001-00: High Speed CAN Communication BUS >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Item Normal Value Prerequisite Condition (+) Probe (-) Probe
Signal Circuit: Voltage (Short to battery)
  • CAN HIGH Circuit
  • CAN LOW Circuit
Approx. 0V
  • Ignition switch: ON
  • CAN communication module connector: Disconnected
CAN HIGH Terminal
CAN LOW Terminal

(DLC harness connector)

Chassis ground
Signal Circuit: Resistance (Short to ground)
  • CAN HIGH Circuit
  • CAN LOW Circuit
Infinite
  • Ignition switch: ON
  • CAN communication module connector: Disconnected
CAN HIGH Terminal
CAN LOW Terminal

(DLC harness connector)

Chassis ground
Signal Circuit: Resistance (Open)
  • CAN HIGH Circuit
  • CAN LOW Circuit
Approx. below 1Ω
  • Ignition switch: ON
  • CAN communication module connector: Disconnected
CAN HIGH Terminal

(DLC harness connector)

CAN HIGH Terminal

(Each module.)

CAN LOW Terminal

(DLC harness connector)

CAN LOW Terminal

(Each module.)

  1. Is the result within specifications?

    YES 

    • Go to next step below.

    NO