eobd 166 po 10.'03, SAMOCHODOWE, ALFA ROMEO
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DIAGNOSTIC MULTIPLE CONNECTOR
166
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DIAGNOSTIC MULTIPLE CONNECTOR - Description
The car is equipped with numerous self-diagnostic electronic control units.
When a tester (Examiner or other instrument) is connected to the control units, self-diagnostic data can be read (parameters, errors) or active
testing can be carried out.
This car is not fitted with a specific tester connection for each control unit. Instead, a single standard 16-way tester connection is located on
the left hand side of the facia, above the junction unit.
The diagnostic equipment (Examiner or other instruments) is connected to it using a special adaptor called 'MPX 97'. This adaptor makes it
possible to select the system to which you wish to connect.
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DIAGNOSTIC MULTIPLE CONNECTOR - Functional description
The diagnostic socket R10 receives a direct supply at pin 16 from the line protected by fuse F18 of junction unit B2.
Pins 4 and 5 are earthed.
Pin 1 is connected to the ABS control unit M50, pin 11E7020 ABS E7022 VDC
Pin 3 is connected to Air Bag control unit M60 , pin 3 of connector A
See
E7030 AIRBAG .
Pin 11 is connected to alarm control unit M30 - pin 6 of connector A - and remote control receiver M35 - pin 2 E7015 ALARM
Pin 8 is connected to Code control unit M20 pin 5
See
E7010 CODE .
Pin 7 is connected to engine management control unit M10 via a dedicated line.
Pin 9 is connected via a single line to numerous control units and electronic devices:
to instrument panel E50 pin 1 of connector C See E4010 INSTRUMENT PANEL ;
to electronic Check device M45 pin 8 of connector B See E2010 SIDE LIGHTS / NO. PLATE LIGHTS ; ;
to ICS Display E60 - pin 1 of connector B: this collects - in a single test channel - diagnostic information on display E60, and also
information on control unit M70 - pin 13 of connector C and navigator control unit M90.
3309749SeeE4090NAVIGATOR3309919SeeE6020AIR CONDITIONING;
on versions with automatic transmission, to the CAE control unit M55
Pin 12 is connected to the headlamp control units F10 and F11 at pin 8
See
E3080 HEADLAMP AGLINMENT CORRECTOR .
Pin 13 is connected to control unit M84 pin 12 of connector A via the special diagnostic line
See
E3090 PARKING SENSOR .
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DIAGNOSTIC MULTIPLE CONNECTOR - Location of components
Component code
Name
Assembly reference
B1
Junction unit
5505A
B2
Junction unit
-
B2
Junction unit
5505A
B5
MAXI FUSE box
-
B99
Battery fuses junction unit (CBA)
5530B
C21
Dashboard earth on Air Bag bracket
-
C21
Passenger side dashboard earth
-
C25
Earth on steering column
-
D1
Dashboard-i.e coupling.
-
D1
Front-dashboard coupling
-
D5
ABS plus ANTISPIN coupling
-
D5
ABS plus antispin connection
-
D6
Rear - front coupling
-
D6
Rear-engine compartment coupling
-
D7
Recharging front connection
-
D19
Dashboard / battery coupling
-
D20
Dashboard-rear coupling
-
D23
Dashboard-i.e coupling.
-
D26
Dashboard-right rear coupling
-
D27
Left rear-right rear coupling
-
D60
Air Bag connection
-
D84
CAE-dashboard coupling
-
D84
Connection with dashboard cable for CAE
-
D90
ICS-dashboard coupling
-
E50
Instrument panel
5560B
E60
ICS display
5580M
M10
Engine management control unit
-
M10
Engine management control unit
1056B
M20
CODE control unit
5580E
M30
Alarm control unit
5580E
M35
Alarm remote control receiver
5580E
M45
Electronic Check device
-
M45
Electronic Check device
5560C
M50
ABS control unit
3340A
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M55
CAE control unit
-
M55
CAE control unit
2135B
M60
AIR BAG control unit
5580C
M84
Parking control unit
-
M87
Xenon headlamps control unit
-
R10
Multiple tester connection
-
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