Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2017MIRAGE G4 ES, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSAUTOMATIC AIR CONDITIONING
2017 Mitsubishi Mirage G4 ES, Automatic CVT Trans
Automatic Air Conditioning
2017 Mitsubishi Mirage G4 ES, Automatic CVT TransSECTION Automatic Air Conditioning
- General Description
- Special Tools
- Automatic A/C Diagnosis
- Introduction
- Automatic Air Conditioning Troubleshooting Strategy
- Diagnostic Function
- Diagnostic Trouble Code Chart
- Diagnostic Trouble Code Procedures
- DTC B1001: Inside temperature sensor low; Code No.B1002: Inside temperature sensor high
- DTC B1041: A/M damper potentiometer high; Code No.B1042: A/M damper potentiometer low
- DTC B1045: Air mix damper motor
- DTC B1061: Air outlet damper potentio.high; Code No.B1062: Air outlet damper potentio.low
- DTC B1065: Air outlet changeover DMPR.motor
- DTC B1083: EEPROM error
- DTC U1000: OSS/F.A.S.T._OSS CAN timeout
- DTC U1100: Engine CAN timeout
- DTC U1108: Meter CAN timeout/Not equipped
- DTC U1109: ETACS-ECU CAN time-out/Not equipped
- DTC U1116: KOS CAN timeout/Not equipped
- DTC U1190: No receive fault detect signal
- DTC U1195: Coding not completed
- Trouble Symptom Chart
- Symptom Procedures
- INSPECTION PROCEDURE 1: Communication with the scan tool (M.U.T.-III) is not possible
- INSPECTION PROCEDURE 2: Cool air does not come
- INSPECTION PROCEDURE 3: The blower does not work
- INSPECTION PROCEDURE 4: The blower air volume cannot be changed
- INSPECTION PROCEDURE 5: The Inside/Outside Air Changeover is impossible
- INSPECTION PROCEDURE 6: A/C pressure sensor system
- INSPECTION PROCEDURE 7: The A/C compressor does not work
- INSPECTION PROCEDURE 8: A/C-ECU power supply system
- Data List Reference Table
- Actuator Test Table
- Check At A/C-Ecu Terminals
- Heater Control Unit
- Damper Control Motor Assembly
- Ambient Temperature Sensor
- Other Parts
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.