INSTRUMENT LIGHTING - Functional description
- Make
- Lancia
- Model
- Ypsilon Factory Service Manual
- Year
- 2003–2011
- Section
- Interior lighting › INSTRUMENT LIGHTING - Functional description
INSTRUMENT LIGHTING - Functional description
Functional description
The 'ignition on' supply line (INT), protected by fuse F49 of the underfacia control unit B2, supplies lighting to the controls in courtesy lights G10, the control panel on the tunnel H35 and to the controls in the centre button H90.
On the 'HIGH version the lighting of controls on front doors H44 and H50 is managed by driver side door control unit M66 and passenger door control unit M67, supplied - at pin 11 of connector E - from a line protected by fuse F32 of underfacia control unit B2, and connected via a CAN line to Body Computer M1.
On the 'LOW version the services relay T13, located in the unit under the dashboard B2, supplies the lighting for the controls in the front doors H44 and H50 protected by fuses F47 and F48; also see See E3050 ELECTRIC FRONT WINDOWS.
The supply with the side lights on is, on the other hand, provided by the Body Computer M1 - pin 18 of connector H to the air conditioning controls H80 and the specific bulbs G45 and also pin 40 of connector E to the current socket P50 and radio P20.
The 'MODE and 'DIMMER controls of unit H90, send a command to instrument panel E50, pins 8 and 9 of connector A.
Pin 12 of connector B of E50 emits a dimmed power supply to control unit H90 and the air conditioning controls H90.
Parts & tools for this job Staging For 2003 Lancia Ypsilon
- PARTReplacement bulbsSearch: Lancia Ypsilon 2003 bulbs
- TOOLDigital multimeterSearch: automotive digital multimeter
Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.