Contents:
| Items | Specifications | |
| Rated voltage | 5V | |
| Load | Max. 1mA (When head lamp lighting) | |
| Illuminations (LUX) | 50 | 1.42 ± 0.31V |
| 100 | 2.63 ± 0.58V | |
| 150 | 3.84 ± 0.84V | |

1. Auto light sensor
2. Head lamps
3. Lighting switch (Auto)
4. Tail lamps
5. BCM (Body Control Module)

1.Oprate the auto light swith, then check for continuity between terminals of multi-function switch connector.

| Switch Position | SwitcH Terminal | Resistance (Ω, ±3.5%) |
| OFF | 9-14 | 680 |
| AUTO / DRL | ∞ | |
| Tail lamp | 1680 | |
| Low beam | 1680 |
1.Disconnect the negative (-) battery terminal.
2.Remove the photo & auto light sensor (A) from crash pad upper side by using screw (-) driver.

3.Remove the auto light connector.
1.Reconnect the auto light connector.
2.Install the auto light sensor.
Hyundai Accent (HC) (2017 - 2022) Service Manual: Tire Pressure Monitoring System (TPMS)
(1) Low Tire Pressure / TPMS Malfunction Indicator Lamp (2) Low Tire Pressure / Tire Pressure Monitor / TPMS Malfunction Display (shown on the cluster LCD display)Hyundai Accent (HC) (2017 - 2022) Service Manual: Troubleshooting
- Basic Troubleshooting Basic Troubleshooting Guide Customer Problem Analysis Sheet Basic Inspection Procedure Measuring Condition Of Electronic Parts' Resistance The measured resistance at high temperature after vehicle running may be high or low. So all resistance must be measured at ambient temperature (20°C, 68°F), unless stated otherwise.