Kia Optima Hybrid: Air Conditioning System / Electric A/C compressor Troubleshooting
| Troubleshooting |
| Fault code | Fail description | Remedy |
| 60 | Compressor CAN signal fault | 1. Check HV, LV connector connection. 2. Check LV connector pin condition. 3. Check vehicle inverter fuse condition. 4. A/C ON then check compressor operation. 5. If not operate, replace compressor. |
61 | Compressor operation state error receive | |
| 62 | Low voltage | 1. Check HV connector connection. 2. Check vehicle inverter fuse condition. 3. Check voltage level of high voltage battery. 4. A/C ON then check compressor operation. 5. If not operate, replace compressor. |
| 63 | High voltage | 1. Identify vehicle model on compressor 2. Check voltage level of high voltage battery. 3. A/C ON then check compressor operation. 4. If not operate, replace compressor. |
| 64 | Overheat protection | 1. Check heating object in engine room. 2. Check A/C system for defects. 3. After 20 minutes, IG ON and A/C ON then check compressor operation. 4. If not operate, replace compressor. |
| 65 | Overloaded | 1. Check cooling fan operation. 2. Check AAF(Active Air Flap) for short circuit 3. After 20 minutes, IG ON and A/C ON then check compressor operation. 4. If not operate, replace compressor. |
| 66 | Over current protection | |
| 68 | Missed restart | |
| 71 | Failure of Over torque stall | |
| 67 | Abnormal (not receiving) | 1. Check 12V battery fuse. 2. Check LV connector connection. 3. Check FATC CAN connection. 4. If not operate, replace compressor. |
| 69 | Failure of thermistor open | 1. Check thermistor condition and inspect. |
| 70 | Failure of thermistor short | |
| 72 | Failure of short circuit current | 1. Replace compressor. 2. Check vehicle inverter fuse (if necessary, replace). |
| 73 | Failure of driver voltage | |
| 74 | Failure of current measuring | |
| 75 | Failure max temperature gradient | |
| 76 | Failure Internal Error |
Refrigerant line Repair procedures
Replacement 1. Discharge refrigerant from refrigeration system. 2. Replace faulty tube or hose. Cap the open fittings immediately to keep moisture or dirt out of the system. 3. Tighten joint ...
Electric A/C compressor Specifications
Specification ModelESC33i MotroBLDC MotorControl TypeCANCompression TypeScrollCapacity33cc/revOperating Voltage Range190~320VRated Voltage288VMount TypeEngine Mounting, 6 Point Mounting ...
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Repair procedures
Inspection Check it by the procedure below to see if the function of the ECM is normal. 1. Turn the ignition key to the "ON" position. 2. Cover the front sensor to stop functioning. 3. Shine a light at the rear sensor. 4. The ECM should be darkened as soon as the rear sensor detects the light. ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Refrigerant line Repair procedures
Replacement 1. Discharge refrigerant from refrigeration system. 2. Replace faulty tube or hose. Cap the open fittings immediately to keep moisture or dirt out of the system. 3. Tighten joint of bolt or nut to specified torque. Connections should not be torque tighter than ...