Fault diagnosis on the basis of fault symptoms

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📄 SID unit checks

📄 Checking the power supply

📄 Checking the grounding

📄 Checking the washer fluid and coolant levels

📄 Bulb filament check

📄 Checking the ICE data

📄 Checking the sound signals

📄 Checking the pushbuttons

📄 Checking the display lighting

📄 Before changing a controlmodule

📄 Handling control modules