Kia Niro: Air Conditioning System / Compressor Troubleshooting

Kia Niro 2017 (DE HEV) Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / 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 it does not operate, replace compressor.
61
Compressor operation state error received
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 it does 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 it does not operate, replace compressor.
65
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 it does not operate, replace compressor.
67
Over current protection
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 it does not operate, replace compressor.

69
Missed restart
70
Over torque protection
71
 A/C on Operating Permission Not Received
1. Check the BMS.
2. Check the high voltage wiring shorted.
72
 A/C Compressor Permission Power Not Received
68
Current Measurement Error
1. If it does not operate, replace compressor.
2. Check vehicle inverter fuse condition.
78
Compressor Interlock Circuit OPEN

Compressor Repair procedures
Removal    • Be sure to read and follow the “General Safety Information and Caution” ...

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Other information:

Kia Niro 2017 (DE HEV) Service Manual: Safety Plug Specifications
Specification Item Specification Rated Voltage (V) 450 Rated Current (A) 80 Fuse Rated Current (A) 125 Fuse Melting Time Rated Current × 110% ...

Kia Niro 2017 (DE HEV) Service Manual: Electric Water Pump(EWP) Components and components location
Components Location 1. Eletric water pump (EWP) ...

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