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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (Heating, Air Conditioning And Ventilation -- Lancer Evolution) >> Auto A/C Diagnosis >> Symptom Chart

Symptom Chart

WARNING: This page is about a different variant/trim than selected.
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 CHART

Symptom Inspection procedure Reference
When the A/C is operation, temperature inside the passenger compartment does not decrease (Cool air is not emitted). 1 INSPECTION PROCEDURE 1: WHEN THE A/C IS OPERATION, TEMPERATURE INSIDE THE PASSENGER COMPARTMENT DOES NOT DECREASE (COOL AIR IS NOT EMITTED). 
Malfunction of the A/C-ECU power supply system. 2 INSPECTION PROCEDURE 2: MALFUNCTION OF THE A/C-ECU POWER SUPPLY SYSTEM. 
The compressor does not work. 3 INSPECTION PROCEDURE 3: THE COMPRESSOR DOES NOT WORK. 
Blower fan and motor do not turn. 4 INSPECTION PROCEDURE 4: BLOWER FAN AND MOTOR DO NOT TURN. 
Blower air amount cannot be changed. 5 INSPECTION PROCEDURE 5: BLOWER AIR AMOUNT CANNOT BE CHANGED. 
Outside/inside air changeover is not possible. 6 INSPECTION PROCEDURE 6: OUTSIDE/INSIDE AIR CHANGEOVER IS NOT POSSIBLE. 
A/C outlet air temperature does not increase. 7 INSPECTION PROCEDURE 7: A/C OUTLET AIR TEMPERATURE DOES NOT INCREASE 
Air outlet vent cannot be changed. 8 INSPECTION PROCEDURE 8: AIR OUTLET VENT CANNOT BE CHANGED. 
Blower motor power supply system. 9 INSPECTION PROCEDURE 9: BLOWER MOTOR POWER SUPPLY SYSTEM.