Kia Cadenza YG: Engine Control System / Heated Oxygen Sensor (HO2S) Troubleshooting

Other information:

Kia Cadenza YG 2016-2021 Service Manual: Height Sensor Repair procedures

Removal Height Sensor 1. Disconnect the negative (-) battery terminal. 2. Remove the height sensor linkage (A) installed on the front axle and rear axle. [Front] [Rear] Installation Height Sensor 1. Install the height sensor assembly after connecting the connector.

Kia Cadenza YG 2016-2021 Service Manual: Photo Sensor Repair procedures

Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light.