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 MANUALSMITSUBISHI2012LANCER RALLIARTREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSMITSUBISHI MULTI-COMMUNICATION SYSTEM (MMCS) - LANCER
2012 Mitsubishi Lancer Ralliart
MITSUBISHI Multi-Communication System (MMCS) - Lancer
2012 Mitsubishi Lancer RalliartSECTION MITSUBISHI Multi-Communication System (MMCS) - Lancer
- General Information
- Special Tools
- Diagnosis
- Standard Flow Of Diagnostic Troubleshooting
- Error Message
- Service Mode
- How To Initiate The Service Mode
- How To Terminate The Service Mode
- Service Mode Item
- Vehicle Signal Check
- Monitor Check
- Camera Setting
- Network/Connect Line Check
- Speaker Check
- USB Box - Vehicles With USB Box
- Hands Free Module - Vehicles With Hands Free Module
- Versions Indication
- Sensor Check
- Can Communication Confirmation
- Memory Initialization
- TMC Sensitivity
- Versions Log Information
- Touch Switch Confirmation
- Diagnosis Function
- Check Of Freeze Frame Data
- Diagnostic Trouble Code Chart
- Diagnostic Trouble Code Procedures
- DTC B2226: AND [Audio Visual Navigation (HDD) Unit] Error
- DTC B2240: Communication Error With CAN Box
- DTC B2477: VIN Not Programmed
- DTC U0019: Bus Off (CAN-B)
- DTC U0141: ETACS CAN Timeout
- DTC U0151: SRS-ABG CAN Timeout
- DTC U0154: OCM (Occupant Classification) CAN Timeout
- DTC U0155: Meter CAN Timeout
- DTC U0164: A/C CAN Timeout
- DTC U0168: WCM/KOS CAN Timeout
- DTC U0195: Satellite Radio CAN Timeout
- DTC U1415: Coding Not Completed/Data Fail
- DTC U1417: Implausible Coding Data
- Trouble Symptom Chart
- Symptom Procedures
- Inspection Procedure 1: No Navigation Screen Is Displayed
- Inspection Procedure 2: No Sound Is Heard - Vehicles Without Audio Amplifier
- Inspection Procedure 2: No Sound Is Heard - Vehicles With Audio Amplifier
- Inspection Procedure 3: No Sound Is Heard From One Of The Speakers - Vehicles Without Audio Amplifier
- Inspection Procedure 3: No Sound Is Heard From One Of The Speakers - Vehicles With Audio Amplifier
- Inspection Procedure 4: The Navigation System Can Be Operated While The Vehicle Is Driven
- Inspection Procedure 5: The Screen Is Not Normal In The Navigation Mode
- Inspection Procedure 6: The AM/FM Radio Broadcasting Cannot Be Received
- Inspection Procedure 7: GPS Signal Can Not Be Received
- Inspection Procedure 8: CD/DVD Cannot Be Played
- Inspection Procedure 9: Image Of A DVD Is Played, But No Sound Is Played
- Inspection Procedure 10: Sound Of A DVD Can Be Played, But No Image Is Played
- Inspection Procedure 11: The Picture And Sound Of Audio And Video Adapter's Input Are Not Played
- Inspection Procedure 12: Check The CAN Box Unit Power Supply Circuit
- ETACS Customization Function
- Main Unit Terminal Voltage
- Inspection
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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.