Kia Carens: Air conditioning System / Photo Sensor Repair procedures
1. |
Turn the ignition switch ON.
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3. |
Emit intensive light toward the photo sensor using a lamp, and check
the output voltage change.
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4. |
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+)
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5. LED ground (To BCM)
6. Photo signal (LH)
7. Photo power
8. Auto light power (5V)
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1. |
Disconnect the negative (-) battery terminal.
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2. |
With a flat-head screwdriver, remove the photo sensor (A) from the center
of the defrost nozzle after disconnecting the connector (B).

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3. |
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. The
solar radiation recei ...
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 increas ...
Other information:
Specification
Item
Specification
Control type
ON/OFF
Current value (mA)
5.0
Coil resistance(Ω)
10 ~ 11
...
Removal
1.
Turm ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the battery (A) and ECM (B).
3.
Disconnect the brake fluid level switch connector (A), and remove the ...