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

Other information:

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.

Kia Cadenza YG 2016-2021 Service Manual: Blower Resistor Repair procedures

Inspection 1. Measure terminal - to - terminal resistance of blower resistor. 2. If measure resistance isnot within specification, the blower resistor must be replaced. Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower cover (A) and then disconnect the connector (B).