Hyundai Santa Fe: Air conditioning System / Photo Sensor. Repair procedures
1. |
Emit intensive light toward the photo sensor using a lamp, and check
the output voltage change.
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2. |
The voltage will rise with higher intensive light and reduce with lower
intensive light.

1. Auto
light signal
2. Auto light ground
3. Photo signal (RH)
4. LED power (B+)
|
5. LED
ground (To BCM)
6. Photo signal (LH)
7. Photo power (SW)
8. Auto light power (5V)
|
|
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.
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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:
The TPMS Malfunction Indicator will illuminate after it blinks for approximately
one minute when there is a problem with the Tire Pressure Monitoring System.
We recommend that you have the system checked by an authorized HYUNDAI dealer
as soon as possible...
Drive mode
Drive mode may be selected according to the driver's preference or road condition.
The mode changes whenever the DRIVE knob is rotated.
COMFORT mode
COMFORT mode provides smooth driving and comfortable riding.
SPORT mode
SPORT mode provides sporty but firm riding...
Categories
The front seat can be adjusted by using the control switches located on the outside
of the seat cushion. Before driving, adjust the seat to the proper position so that
you can easily control the steering wheel, foot pedals and controls on the instrument
panel.
WARNING
NEVER allow children in the vehicle unattended. The power seats are operable
when the vehicle is turned off.
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