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| caution | During diagnosis, a DTC code associated with other system may be set when the ignition switch is turned on with connector(s) disconnected. On completion, confirm all systems for DTC code(s). If DTC code(s) are set, erase them all. |
| Symptom | Inspection procedure | Reference page |
| When the A/C is operation, temperature inside the passenger compartment does not decrease (Cool air is not emitted). | 1 |  |
| Malfunction of the A/C power supply system. | 2 | |
| The compressor does not work. | 3 | |
| Outside/inside air changeover is not possible. | 4 | |
| A/C outlet air temperature does not increase. | 5 | |
| Air outlet vent cannot be changed. | 6 | |
| Blower motor power supply system. | 7 | |
| A/C control panel power supply system. | 8 | |
| Blower motor does not operate | 9 | |
| Blower air amount cannot be changed | 10 | |