Signal circuit inspection

Open Check
1. IG "OFF".
2. Disconnect HECU and AHB connector.
3. Measure resistance between CAN HIGH terminal (LOW terminal) of the HECU harness connector and CAN HIGH terminal (LOW terminal) of the AHB harness connector.
  Specification: Approx. below 1Ω
  
  Fig 1: Measuring Resistance Between CAN High Terminal (Low Terminal) Of HECU Harness Connector And AHB Harness Connector
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured value within specifications?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Repair open in CAN BUS line between HECU harness connector and AHB harness connector and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.