Dipped headlamps - functional description
- Make
- Alfa Romeo
- Model
- GT Factory Service Manual
- Year
- 2003–2010
- Section
- Interior lighting › Dipped headlamps - functional description
DIPPED HEADLAMPS - FUNCTIONAL DESCRIPTION
Functional description
The dipped beam activation signal is sent to pin 4 of connector D of the Body Computer
M1
from the stalk unit
H5
The ''ignition ON'' signal (INT) for the switch H1 reaches the underdashboard control unit
B2
at pin 11 of connector H and from there moves on to the Body Computer
M1
(pin 9 of connector F).
The Body Computer
M1
controls the supply of the dipped headlamps sending an earth signal to the underdashboard control unit
B2
- from pin 8 of connector F of M1 - which energizes the relay T1: this supplies the dipped headlamps
F10
(left) and
F11
(right). Each circuit is protected by a control unit
B2
fuse: F13 for the left headlamp and F12 for the right one.
Functional description
The dipped beam activation signal is sent to pin 4 of connector D of the Body Computer
M1
from the stalk unit
H5
The ''ignition ON'' signal (INT) for the switch H1 reaches the underdashboard control unit
B2
at pin 11 of connector H and from there moves on to the Body Computer
M1
(pin 9 of connector F).
The Body Computer
M1 controls the supply of the dipped headlamps sending an earth signal to the underdashboard control unit B2 - from pin 8 of connector F of M1 - which energizes the relay T1: this supplies the dipped headlamps F10 (left) and F11 (right).
Each circuit is protected by a control unit
B2
fuse: F13 for the left headlamp and F12 for the right one.
Parts & tools for this job For 2003 Alfa Romeo GT
- PARTReplacement bulbsSearch: Alfa Romeo GT 2003 bulbs
- TOOLDigital multimeterSearch: automotive digital multimeter
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