1. Auto defogging actuator
1.Turn the ignition switch OFF.
2.Disconnect the auto defogging connector.
3.Verify that the auto defogging actuator operates to the open position when connecting 12V to terminal 3 and grounding terminal 6. Verify that the auto defogging actuator operates to the close position when connected in reverse.
1. -
2. -
3. DEF (Close)
4. Vent mode
5. Feedback signal
6. Sensor (+ 5V)
7. DEF (Open)
4.Connect the auto defogging actuator connector.
5.Turn the ignition switch ON.
6.Check the voltage between terminals 5 and 4.
Door position | Voltage (4-5) | Error detecting |
DEF (ON) | 1.18 ± 0.15 V | Low voltage : 0.1V or less |
DEF (OFF) | 4.10 ± 0.15 V | High voltage : 4.9V or more |
7.If the measured voltage is not within specification, check the operation by replacing the existing auto defogging actuator with a new genuine part. After that, determine whether replacement of the auto defogging actuator is required or not.
8.Replace the auto defogging actuator if it is proved that there is a problem with it.
1.Disconnect the negative (-) battery terminal.
2.Remove the main crash pad assembly.(Refer to Body (Interior and Exterior) - "Main Crash Pad Assembly")
3.Disconenct the connector (A) and loosen the mounting screws and remove the auto defogging actuator (B).
4.Install in the reverse order of removal.
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- Removal
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Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Sun Roof Switch
- Circuit Diagram
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the overhead console cover (A).
3.Loosen the mounting screws and remove the overhead console (A).
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