CLU Signal Circuit Inspection

WARNING: This page is about a different car, the 2013 Kia Sportage and 2012 Kia Sportage. However, it is still accessible from the selected car via links, so may be relevant.

Check CAN High Line
1. IG "ON" & ENG "OFF".
2. After connect GDS, select "Oscilloscope" mode.
3. Measure the signal waveform on CLU CAN High line.
  Specification : Refer to "SIGNAL WAVEFORM "
  
  Fig 1: Measuring Signal Waveform On CLU CAN High Line
  Courtesy of KIA MOTORS AMERICA, INC.
  
  Fig 2: CAN System Connector End View
  Courtesy of KIA MOTORS AMERICA, INC.
4. Does the measured signal waveform follow the specification?
  YES
  - Go to 2.
  NO
  - Check short to battery or ground. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check CAN Low Line
1. IG "ON" & ENG "OFF".
2. After connecting GDS, select "Oscilloscope" mode.
3. Measure the signal waveform on CLU CAN Low line.
  Specification : Refer to "SIGNAL WAVEFORM "
  
  Fig 3: Measuring Signal Waveform On CLU CAN Low Line
  Courtesy of KIA MOTORS AMERICA, INC.
  
  Fig 4: CAN System Connector End View
  Courtesy of KIA MOTORS AMERICA, INC.
4. Does the measured signal waveform follow the specification?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Check short to battery or ground. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.