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Home >> Kia >> 2024 >> EV9 GT-Line >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Ultra Wide Band BLUETOOTH Low Energy-Master Diagnosis >> DTC B18C5-00: UWB_FR Module Fault (Front Right) >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

G16873136Courtesy of HYUNDAI MOTOR AMERICA
Inspection Item Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
Power inspection (UWB FR ↔ Chassis ground)
  1. Disconnect the UWB FR connector.
  2. Ignition "ON".
UWB FR connector 8 (Memory power) Chassis ground - B+
Open in circuit inspection (UWB FR ↔ Chassis ground)
  1. Ignition "OFF".
  2. Disconnect the UWB FR connector.
UWB FR connector 3, 4, 5, 6 (ground) Chassis ground - Approx. below 1Ω
Short in circuit inspection (UWB FR ↔ Chassis ground)
  1. Ignition "OFF".
  2. Disconnect the UWB FR connector.
UWB FR connector 8 (Memory power) Chassis ground - ∞ (infinity)Ω
Good 
  • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of 12V battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
  • Repair or replace as necessary and then Go to "VERIFICATION OF REPAIR " procedure.
No Good