SJB Signal Circuit Inspection
WARNING: This page is about a different car, the 2018 Kia Forte5 and 2018 Kia Forte. However, it is still accessible from the selected car via links, so may be relevant.
■ Check CAN High Line
- IG "ON" & ENG "OFF".
- After connect GDS, select "Oscilloscope" mode.
- Measure the signal waveform on SJB CAN High line.
Specification: Refer to "SIGNAL WAVEFORM & DATA "
- Does the measured signal waveform follow the specification?
YES
- Go to "CAN Low Line Inspection" procedure below.
NO
- Check short to battery or ground. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
■ Check CAN Low Line
- IG "ON" & ENG "OFF".
- After connect GDS, select "Oscilloscope" mode.
- Measure the signal waveform on SJB CAN Low line.
Specification: Refer to "SIGNAL WAVEFORM & DATA "
- 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.