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Home >> Fiat >> 2018 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 54 (Lamps/Lighting - Interior (Service Information) 500 - Electric) >> Diagnosis And Testing >> Diagnosis And Testing - Interior Lighting >> Non-Dimming Panel Lamps Circuit

Non-Dimming Panel Lamps Circuit

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CONDITION POSSIBLE CAUSES CORRECTION
A SINGLE LAMP DOES NOT ILLUMINATE 1. Ineffective ground circuit. 1. Test and repair the open lamp ground circuit if required.
2. Ineffective feed circuit. 2. Test and repair the open lamp feed circuit if required.
3. Ineffective Light Emitting Diode (LED) unit. 3. Test and replace the lamp bulb or LED unit if required.
A SINGLE LAMP DOES NOT EXTINGUISH 1. Ineffective feed circuit. 1. Test and repair the shorted lamp feed circuit if required.
ALL LAMPS DO NOT ILLUMINATE 1. Ineffective ground circuit. 1. Test and repair the open lamp ground circuit if required.
2. Ineffective feed circuit. 2. Test and repair the open lamp feed circuit if required.
3. Ineffective BCM inputs or outputs. 3. Use a diagnostic scan tool and the appropriate diagnostic information for further BCM diagnosis.
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