Signal Circuit Inspection

WARNING: This page is about a different car, the 2016 Hyundai Sonata and 2015 Hyundai Sonata. However, it is still accessible from the selected car via links, so may be relevant.

Check for open & short in harness
1. Ignition "OFF".
2. Disconnect EPB Switch and EPB (& ESP) Module main harness connector.
3. Measure resistance between Signal (1, 2, 3, 4) terminal of EPB Switch harness connector and Signal (1, 2, 3, 4) terminal of EPB (& ESP) Module harness connector. (M1)
4. Measure resistance between Signal (1, 2, 3, 4) terminal of EPB Switch harness connector and chassis ground. (M2)
  Specification: (M1): Below 1Ω, (M2): Infinity
5. Is the measured Value within specification?
  YES
  - Go to Next procedure.
  NO
  - Check for short in harness or blown fuse.
  - Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.