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| Trouble symptom | Inspection procedure No. | Reference page |
| Communication with the scan tool (M.U.T.-IIISE) is not possible | 1 |  |
| Cool air does not come | 2 | |
| The blower does not work | 3 | |
| The blower air volume cannot be changed | 4 | |
| The A/C compressor does not work | 5 | |
| A/C pressure sensor system | 6 | |
| Blower motor power supply system | 7 | |
| A/C controller assembly (A/C-ECU) power supply system | 8 | |