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| Trouble symptom | Inspection procedure No. | Reference page |
| Cool air does not come | 1 |  |
| The blower does not work | 2 | |
| The blower air volume cannot be changed | 3 | |
| The A/C compressor and clutch assembly does not work | 4 | |
| The PTC heater does not work | 5 | |
| A/C Compressor Relay System | - | (Refer to GROUP 13A ) |
| Fan Control Relay System | - | (Refer to GROUP 13A ) |