| Circuit Diagram |

Input shaft speed sensor 2 Description and Operation
Input shaft speed sensor 2 Repair proceduresHyundai Sonata LF 2014-2019 Owners Manual: Electronic Parking Brake (EPB) Warning Light
This warning light illuminates:
Once you set the ignition switch or the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3 seconds and then goes off.
When there is a malfunction with the EPB.
In this case, have your vehicle inspected by an authorized HYUNDAI de ...
Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting
SymptomSuspect areaEngine will not start or stuggle to startVapor hose damaged or disconnectedEngine stuggle to startMalfunction of the Purge Control Solenoid ValveRough idle or engine stallsVapor hose damaged or disconnectedMalfunction of the PCV valveRough idleMalfunction of t ...