Contents:
1.Turn ignition switch OFF and disconnect the negative (-) battery terminal.
2.Remove the fuse box cover.
3.Remove the starter relay (A).

4.Check for continuity between the terminals (30 and 87) using an ohmmeter.
| Terminal | Resistance | Measure |
| 30 - 87 | 1MΩ or higher | If there is continuity between the terminals, replace the relay. |

5.Apply 12V to the terminal 85 and ground to the terminal 86 and then check for continuity between the terminals (30 and 87).
| Terminal | Resistance | Measure |
| 30 - 87 | 1Ω or less | If there is no continuity between the terminals, replace the relay. |

6.Install the starter relay.
7.Install the fuse box cover.
Hyundai Accent (HC) (2017 - 2022) Service Manual: Description and Operation
- OBD-II Review 1. Overview The California Air Resources Board (CARB) began regulation of On Board Diagnostics (OBD) for vehicles sold in California beginning with the 1988 model year. The first phase, OBD-I, required monitoring of the fuel metering system, Exhaust Gas Recirculation (EGR) system and additional emission related components.