Hyundai Santa Fe (TM): Air conditioning System / Photo Sensor. Repair procedures
| Inspection |
| 1. |
Emit intensive light toward the photo sensor using a lamp, and check
the output voltage change.
|
| 2. |
The voltage will rise with higher intensive light and reduce with lower
intensive light.
|
| Replacement |
| 1. |
Disconnect the negative (-) battery terminal.
|
| 2. |
Using a screwdriver or remover, remove the photo sensor (A).
|
| 3. |
Press the lock pin, separate the photo sensor connector (A).
|
| 4. |
Install in the reverse order of removal.
|
Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode.
Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.
Other information:
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Troubleshooting
Troubleshooting Problem Symptoms Table Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor. Use the table below to help you find the cause of the problem.
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Rear Heater
Rear Heater Unit. Components and components location Component Location 1. Rear Heater & A/C Unit Components 1. Rear heater & blower unit assembly 2. Blower motor assembly 3.
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