Control 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 short to ground in harness
1. Ignition "OFF".
2. Disconnect Rear-LH Actuator and EPB (& ESP) Module main harness connector.
3. Measure resistance between Control terminal of Rear-LH Actuator harness connector and chassis ground.
  Specification: Infinity Ω.
4. Is the measured resistance within specifications?
  YES
  - Go to Next procedure.
  NO
  - Check for short to ground in harness.
  - Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check for open in harness
1. Ignition "OFF".
2. Disconnect Rear-LH Actuator and EPB (& ESP) Module main harness connector.
3. Measure resistance between Control terminal of Rear-LH Actuator harness connector and Control terminal of EPB (& ESP) Module harness connector.
  Specification: Below 1Ω
4. Is the measured resistance within specifications?
  YES
  - Go to Next procedure.
  NO
  - Check for open in harness.
  - Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check short to battery in harness
1. Ignition "OFF".
2. Disconnect Rear-LH Actuator and EPB (& ESP) Module main harness connector.
3. Ignition "ON".
4. Measure voltage between Control terminal of Rear-LH Actuator harness connector and chassis ground.
  Specification: Approx. 0V
5. Is the measured resistance within specifications?
  YES
  - Go to Next procedure.
  NO
  - Check for open in harness.
  - Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.