When operating the mode selection dial
WARNING: This page is about a different car, the 2015 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
- The A/C will work when the mode selection dial is set to the "Defroster" or "Defroster/foot" position, or the temperature control dial is set to the "MAX A/C" position. In other dial positions, when the A/C switch is turned on, the A/C will work.
A/C COMPRESSOR CLUTCH RELAY ON CONDITIONS
| Ignition switch (IG2) | ON |
NOTE:
A/C compressor clutch relay is de-energized when any one switch, sensor or control unit shown on the left turns off.
NOTE:
The components marked by * communicate with the ECM. If the air thermo sensor detects a temperature of 1°C (33.8°F), the A/C-ECU will turn off the A/C compressor clutch relay.
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| Blower switch | ON | ||
| A/C switch, mode selection dial defroster, defroster/foot position or temperature control MAX A/C | ON | ||
| Air thermo sensor | * | ||
| Pressure detected by A/C pressure sensor | 2.94 MPa (427psi) or less (If the refrigerant pressure exceeds 2.94 MPa (427psi), A/C compressor clutch relay is not ON condition until the refrigerant pressure has been measured up to 2.35 MPa (341psi) a or less.) | ON | |
| 0.19 MPa (27psi) or more (If the refrigerant pressure falls short of 0.19 MPa (27psi), A/C compressor clutch relay is not ON condition until the refrigerant pressure has been measured up to 0.22 MPa (32psi) or more.) | |||
| A/C compressor clutch relay driving transistor (within powertrain control module) | ON | ||