LEMON Manuals
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2005
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Lancer Evolution RS
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Repair and Diagnosis (Single Page)
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Electrical
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Body Electrical
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Simplified Wiring System (SWS) - Evolution
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Symptom Procedures
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Ecu Communication System
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INSPECTION PROCEDURE A-4: Communication With The Front-ECU Is Not Possible.
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Circuit Operation
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Circuit Operation
The power supply to the front-ECU is provided by the battery and the ignition switch (IG2).
If the power supply system from the battery is defective, the system operates by the power supply from the ignition switch (IG2).