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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO
Wiring diagramComponents
| Component code | Name | Assembly reference |
| B1 | Junction unit | B5 | MAXI FUSE box | B19 | Door lock fuse | - |
| B26 | Fuse power supply ignition operated excl ignition (INT/A) | - |
| C15 | Facia earth, driver's side | - |
| C20 | Passenger side dashboard earth | - |
| C30 | Left rear earth | - |
| C30 | Left rear earth | - |
| C31 | Rear right earth | - |
| D030 | Front door junction left | - |
| D030 | Front door junction left | - |
| D31 | Front door junction right | - |
| D31 | Front door junction right | - |
| D35 | Rear left door connection | - |
| D36 | Rear right door connection | - |
| D45 | Sunroof connection | - |
| D85 | Rear/tail-gate junction | - |
| G10 | Front courtesy light | G25 | Rear left courtesy light | G26 | Rear right courtesy light | G32 | Sun visor light | I16 | Switch on front door lh | I16 | Switch on front door lh | I17 | Switch on front door rh | I17 | Switch on front door rh | I18 | Switch on left rear door | - |
| I18 | Switch on left rear door | - |
| I19 | Switch on rear door rh | - |
| I19 | Switch on rear door rh | - |
| M40 | Integrated services control unit | 2891863Op. 5505A multi-function components |
Location of componentsComponents
| Component code | Name | Assembly reference |
| B1 | Junction unit | B5 | MAXI FUSE box | B19 | Door lock fuse | - |
| B26 | Fuse power supply ignition operated excl ignition (INT/A) | - |
| C15 | Facia earth, driver's side | - |
| C20 | Passenger side dashboard earth | - |
| C30 | Left rear earth | - |
| C30 | Left rear earth | - |
| C31 | Rear right earth | - |
| D030 | Front door junction left | - |
| D030 | Front door junction left | - |
| D31 | Front door junction right | - |
| D31 | Front door junction right | - |
| D35 | Rear left door connection | - |
| D36 | Rear right door connection | - |
| D45 | Sunroof connection | - |
| D85 | Rear/tail-gate junction | - |
| G10 | Front courtesy light | G25 | Rear left courtesy light | G26 | Rear right courtesy light | G32 | Sun visor light | I16 | Switch on front door lh | I16 | Switch on front door lh | I17 | Switch on front door rh | I17 | Switch on front door rh | I18 | Switch on left rear door | - |
| I18 | Switch on left rear door | - |
| I19 | Switch on rear door rh | - |
| I19 | Switch on rear door rh | - |
| M40 | Integrated services control unit | 2891863Op. 5505A multi-function components |
DescriptionThe front interior light includes two courtesy lights with two control switches.With the left switch (A) it is possible to select the following two operating modes:centre position: both lights on dependent on the opening of the doors;left-hand position: both lights are off all the time;right-hand position: both lights are on all the time.
With the right switch (B) is it only possible to switch on one of the lights (map reading light):left-hand position: left-hand light always on;right-hand position: right-hand light always on;central position: both lights always off.
Both rear interior lights contain a courtesy light that operates in different modes according to the position of the lens, which operates an internal switch.neutral position: light on dependent on the opening of the doors;positioned to one side: lights always off;positioned to the other side: light always on.
The courtesy light timing is controlled according to a logic managed by the integrated services control unit, under the dashboard, which can be summarized as follows: when any of the doors are opened, all front and rear courtesy lights come on in timed mode:timed period of 6 seconds when the locks are unlocked using the key or the remote control;timed period of 6 seconds when a previously-opened door is reclosed; timing is suspended when the key is turned to MAR (this function allows the driver to enter the car and insert the key in the ignition)timed interval of 3 minutes if one of the doors is left open (this function prevents the battery going flat if the car is left with a door open)
When one of the other doors is opened, the current timer count is reset to zero.The operation of the courtesy lights takes place coming on and going off gradually (dimmer function) and lasts about 3 seconds.The courtesy light circuit is protected by a special junction unit fuse.
Functional description The supply for the front courtesy lights ( G10 ) and the rear courtesy lights ( G25 and G26 ) arrives directly from the battery (maxifuse J/B1 for B5 ) through fuse F10 of the junction unit B1 . They are switched on via a direct earth signal (permanently activated) at pin 1 for the courtesy lights or at pin 3 by a signal from the integrated services control unit M40 . The control unit M40 is supplied directly from the battery at pin 8 of connector B through the line of the maxifuse J/B2 of B5 via fuse F19 and via the ignition (INT) - pin 7 of connector B - from line of fuse F1 of the additional junction unit B1 . Pin 13 of connector B provides the earth. The control unit receives door release and lock signals, which arrive:at pins 2 and 3 of connector B: opening of one of the front doors N50 and N51 (left and right respectively);at pins 12 and 18 of connector B: opening of one of the rear doors N55 and N56 (left and right respectively).
On the basis of the above signals and the control sequence described above, control unit M40 sends timed earth signals from pins 10 and 1 of connector C, which control front courtesy lights G10 and rear courtesy lights G25 and G26 .
Fuse power supply ignition operated excl ignition (INT/A)
B026
B026
B026
B026
B026
Facia earth, driver's side
C015A
C015A
C015B
C015B
C015
C015A
C015A
C015B
C015B
C015
Passenger side dashboard earth
C020
C020
C020
C020
C020
Left rear earth
C030
C030
C030
C030
C030
Rear right earth
C031
C031
C031
C031
Front door junction left
D030
D030
D030
D030
D30
D030
D030
D030
D030
D030
D030
D030
D030
D030
D030
D030
D030
D030
D030
Front door junction right
D031
D031
D031
D031
D031
D031
D031
D031
D31
D031
D31
D031
D031
D031
D031
D031
D031
D031
D031
D031
D031
Rear left door connection
D035
D035
D035
D035
D035
D035
D035
D035
D035
D035
D035
D035
D035
D035
D035
Rear right door connection
D036
D036
D036
D036
D036
D036
D036
D036
D036
D036
D036
D036
D036
D036
D036
Sunroof connection
D045A
D045A
D045
D045
D045
D45
D045
D045
D045
D045
Rear/tail-gate junction
D085
D085
D085
D85
D085
D085
D085
D085
Front courtesy light
G010
G010
G010
G010
Front courtesy light
G010
G010
G010
G010
Front courtesy light
G010
G010
G010
G010
Front courtesy light
G010
G010
G010
G010
Front courtesy light
G010
G010
G010
G010
Front courtesy light
G010
G010
G010
G010
Switch on left rear door
I018A
I018B
I018A
I018B
Switch on rear door rh
I019A
I019A
I019B
I019A
I019A
I019B
Integrated services control unit
M040A
M040A
M040B
M040B
M040A
M040B
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