Page 620 of 891

84
STEERING - CONN ECTOR
84 - 5
WINDSCREEN WIPER
SWITCH CONNECTOR
Pin Denomination
A1 Windscreen wiper
A2 High speed control
A3 Low speed control
A4 Windscreen washer pump control
A5 Free
A6 Timer low speed control
A7 Supply + after contact
B1 Free
B2 Free
B3 Free
B4 Supply + after contact
B5 Free
B6 Free
B7 Free
Under steering wheel control
TURNING AND LIGHTING CO NTROL CONNECTOR
R EMARK :
The correct operation of t he
windscreen wiper switch may be checked
us ing an ohmmeter.
Control Pins
(closed cir cuit)
Windscreen washer pump A4/B4
Low speed windscreen wiper A3/A7
High speed windscreen wiper A2/A7
Timer windscreen wiper A1/A7
Timer windscreen wiper A3/A6 REMARK :
The c orrect ope ration of t he turning and
lighting control switch may be checked us-
ing a ohmmeter.
Control Pins
(closed circuit)
Left turning A6/A7
Ri ght turning A5/A6
Park ing light B1/B2
Meeting lights B3/B5
Road lights B6/B7
Fr ont fog projectors A1/B2
Rear fog lamps A3/B2
Acoustic A4/B6 Pin Denomination
A1 Front fog projectors
A2 Free
A3 Rear fog lamp
A4 Acoustic warning
A5 Right turning
A6 Signali ng relay control
A7 Left turning
B1 Parking lights
B2 Supply +
B3 Supply +
B4 Free
B5 Meeting lights
B6 Supply +
B7 Road lights
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84
STEERING - CONN ECTOR
84 - 10
Connector
Pin Denomination
1 Supply + parking
2 Control + signaling relay
3 Left turning lights control
4 Right turning lights control
5 Mass
6+ Battery
7+ A ccessories
8 Control + signalin g
Hazard switch
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84
STEERING - CONN ECTOR
84 - 11
DISMOUNTIN G
Disconnect the battery (-) terminal.
Dismount the upper part dashboard.
Disconnect connectors ( 1), (2) and (3). Mark identification of their mounting position.
Holding with one hand the fix part ( 4) dismount the lighter attachment clamp ( 5) on the lower
part dashboard. Extract the lighter fix body (part).
REMOU NT I NG
Position the lighter fix body in the dashboard lower part. Holding with one hand the fix body,
mount the lighter attachmen t clamp. The required tightening moment is 1.5 Nm applied to the fix
body (4). Connect the lighter connectors, observing their mounting position existent prior to dismount-
ing. Mount the upper part dashboard.
Reconnect the battery (-) terminal.
Check the operation of the electric lighter.
REMARK:
In order to replace the bulb, dismount the lighter, dismount the bulb holder (6) from
the clamp (5) and replace the bulb.
Connectors
Connector Denomination 1 Mass
2 Supply + after contact
3 Supply + parking
Electric lighter
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Page 647 of 891
87
ELECTRICAL ASSISANCE EQUIPEMENT
87 - 7
Diagnostic - General
Subject to equipment level, two types of Cockpit Central Unit may be mounted:
Cockpit Central Unit
Diagnostic connection
Coded anti-starting (V2)
Turning lights and indicator management
Acoustic warning (turning lights on forgetfulness)
Windscreen wiper: fix point stopping management
Cockpit lighting management
Cockpit timing lighting
Doors electric blocking by radio-frequency
Alarm connection Ba
sic range
N2
X
X
X
X
X
X High range
N4
X
X
X
X
X
X
X
X
X
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87
ELECTRICAL ASSISANCE EQUIPEMENT
87 - 8
Diagnostic - General
CONNECTION (the most complete)
Black connector EH1 ( 40 pins)
PIN DENOMINATION 1Not used
2Not used
3Not used
4Not used
5 Not used
6 Not used
7 Not used
8D oors locking switch inlet
( doors unlocking control)
9Not used
10 Not used
11 N o t u s e d
12 Not used
13 Not used
14 Not used
15 Parking lights inlet
16 Decoding bushing inlet
17 Doors locking switch inlet
(doors locking control)
18 Not used
19 Not used
20 Not used
21 Not used
22 + After contact
23 Not used
24 Windscreen wiper timer inlet
25 Not used
26 Left turning inle t
27 Not used
28 Right turning inlet
29 Not used
30 Not used
31 Not used
32 Anti-starting indic ator inlet
33 Hazard lights inlet
34 Diagnostic line K
35 Not used
36 Engine anti-starting outlet
37 Not used
38 Not used
39 Not used
40 Driver’s door contact inlet White connector P1 (15 pins)
PIN DENOMINATION
A1 Mas s
A2 Ceiling lamp outlet
A3 + Before contact
A4 Windscreen wiper control
A5
Windscreen wiper supply (+ after
contact)
A6 Windscreen wiper fix point stopping
A7 Not used
A8 Right turning outlet
A9 Left turning outlet
B1 Not used
B2 Doors locking outlet
B3 Doors locking/unlocking supply
B4 Doors unlocking outlet
B5 Ceiling amp timer outlet
B6 Ceiling lamp supply
P1 EH1
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87
ELECTRICAL ASSISANCE EQUIPEMENT
87 - 14
Diagnostic - Conformity checking
RECOMMENDATIONS Do not perform this conformity checking but after a competechecking by means of diagnostic tester. The values
displayed in this conformity checking are only informative.
The execution condition: stopped engine, contact set on.
1
2 Supply
Lighting PR002
: Battery voltage
ET002: +12 V after
c ontact
ET309: Right turning
information
ET310: L eft turning
information
ET291: H azard lights
information 12V < X
< 12,5V
Presen t
It is ACTIVE when
c ontrolling r ight
turning
It is ACTIVE when
controlling left turning
It is ACTIVE when
controlling hazard lights If problems occurring:
Perform a diagnostic of the charging circuit
If problems occurring: See state diagnostic
ET002
If is INACTIVE , see
state diagnostic ET309
If it is INACTIVE , see
state diagnostic ET310
If it is INACTIVE , see
state diagnostic ET291
No.
Function Par
ameter or state
Checking or action Visualization and
observations
Diagnos tic
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Page 660 of 891
87
ELECTRICAL ASSISANCE EQUIPEMENT
87 - 20
Diagnostic –States interpretation
Perform again a system diagnostic
Repair the other possible failures
Erase the memorized failures.
ET291
HAZARD LIGHTS INFORMATION
RECOMMENDATIONS No failure must be present or memorized.
Act upon the hazard lights switch.
State must be
ACTIVE
ET291 INACT IVE
Check supply fuse F 13 (25A) fo r turning / Cockpit Central Unit.
Replace it if necessary.
Check connection and condition of the hazard lights contact
connector Repair the connector if necessary.
Check continuity of the connection:
Hazard lights contact pins 5 and 6 mass
Fix if necessary.
Check
insulation, continuity and absence of parasite resistance
of the connection:
Hazard lights contact pin 8 pin
B33 EH1 connector
with 40 pins
Fix if necessary.
Check operation of hazard lights control
AFTER REPARATION
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Page 661 of 891
87
ELECTRICAL ASSISANCE EQUIPEMENT
87 - 21
ET309
ET310RIGHT TURNING INFORMATION
LEFT TURNING INFORMATION
Diagnostic – States interpretation
No failure must be present or memorized.
RECOMMENDATIONS Set on the contact Act upon the left or right turning control
State must be ACTIVE
Check the supply fuse F13 (25A) for turning lights/Cockpit Central
Unit.
Replace it if necessary.
Check connection and condition of the turning switch connector.
Fix is necessary.
Ensure continuity of the connection:
Turning switch pi n 6 mass
Fix if necessary
Di sconnect connector EH1 40 pins of UCH
Ensure continuity and insulation of the connections:
Right turning switch pin 5
pin B28 connector
EH1 40 pins UCH
Left turning switch pin 7
pin B26 connector
EH1 40 pins UCH
Fix is necessary.
Perform again a system diagnostic
Repair the other possible failures
Erase the memorized failures.
AFTER REPARATION
ET309
ar
ET310
INACTIVE
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