Kia Niro: Air Conditioning System / Photo Sensor Repair procedures

Inspection
1.

Switch "ON" the ignition.

2.

Connect the KDS/GDS.

3.

Emit intensive light toward the photo sensor using a lamp, and check the change in output voltage.

4.

The voltage will rise with higher intensive light and fall with lower intensive light.

1. Auto light signal
2. Auto light ground
3. Photo signal (RH)
4. LED battery (+)
5. LED signal
6. Photo DRV
7. Photo power
8. Auto light power

Replacement
1.

Disconnect the negative (-) battery terminal.

2.

By using a screw driver or a remover, and remove the photo-sensor (A) and remove the connector (B).

3.

Install in the reverse order of removal.

Photo Sensor Description and operation
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 received by ...

Ambient Temperature Sensor Description and operation
Description Located at the front of the condenser, the ambient temperature sensor detects the ambient air temperature. It is a negative type thermistor; resistance will increase at lo ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Main Relay (+) / (-) Description and operation
Description Main Relay is divided into the positive (+) relay and negative (-) relay. It is integrated into the Power Relay Assembly (PRA) and connects the power supply line and ground line between the high voltage battery and the inverter in accordance with the BMS ECU control si ...

Kia Niro (DE HEV) Owners Manual: Self-diagnosis
If you don’t hear an audible warning sound or if the buzzer sounds intermittently when shifting the gear to the R (Reverse) position, this may indicate a malfunction in the rear parking assist system. If this occurs, we recommend that the system be checked by an authorized Kia dealer. WARNI ...

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