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Tips & General Notes
Use
the ‘Find’ function (CTRL+F) to search for electrical
components on this page.
Left-Click
to open schematics in this window, then navigate back to this menu for a
subsequent selection.
SHIFT-Left-Click
to open schematics in a new window.
Right-Click
and select ‘Save As’ to download schematic diagrams.
Also - Be advised that, despite these schematics
being in English, the sense of ‘driver side’ and
‘passenger side’ is often (though not always) intended for LHD
vehicles. Some diagrams use left and right convention instead.
All
original schematics have been captured as black/white images at 400dpi for
a good compromise between compact file size and suitably high quality when
reproduced on paper.
Please
contact s2central@mac.com if you
discover or suspect any mistakes.
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Basic
Equipment
Special
Note for this model and year – The basic equipment overlaps with the
Audi Coupe fitted with 5-cylinder engine, coded NG. The basic equipment schematics for this, and 3B-engined vehicles,
make reference to the Mini-Check module within the instrument cluster. This
is slightly confusing as the S2 was fitted with Autocheck as standard
equipment. See further notes embedded in the tables below.
This link retrieves the complete basic equipment
schematic for the NG equipped Audi
Coupe as a multi-page file.
This link retrieves the entire 3B Motronic schematic, for this model year, as one multi-page
file.
The
table below is organized into single sheets for easier access to basic
equipment.
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Sheet
|
Item / Components
|
Notes
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D06-01
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Earth Connections
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D34-01
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Battery, starter, alternator
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D34-02
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Electronic fuel
injection, fuel pump relay, knock control
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D34-03
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Electronic fuel
injection, lambda probe
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D34-04
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Electronic
fuel injection, fuel pump
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D34-05
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Electronic
fuel injection, ignition
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D06-07
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Ignition/starter
switch, fuel gauge damper, relief relay for X-contact
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D06-10
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Tail lights, brake lights,
reversing lights, turn signals, rear fog lights
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D06-11
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Headlights,
side lights engine light, luggage light, number plate & glove-box light
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|
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D06-12
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Lighting switch,
headlight dipper/flasher and parking light switches
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D06-13
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Interior
lights, door contact switches, make-up mirror
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D06-14
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Turn
signals and emergency lights
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D06-15
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Windscreen
wash/wipe, headlight washers, heated washer jets, horn
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D34-06
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Dash panel
insert, rev counter, speedometer, coolant monitor, control unit for
mini-check
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S2
was NOT fitted with mini-check.
For
Autocheck, Refer to D17
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D06-16
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Dash panel
insert, rev counter, digital clock and control for instrument lighting
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D06-17
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Dash panel
insert, fuel gauge, coolant monitor, voltage stabilizer
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D06-18
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Dash panel
insert, oil pressure monitor, handbrake warning system
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D06-19
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Switch for
front and rear fog lights
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D34-07
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Additional
instruments, instrument lighting booster and cigarette lighter
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D34-08
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Radiator
fan – Hi Speed-1 (J101) and Hi Speed-2 (J135)
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Applies
ONLY to vehicles without air
conditioning. See additional & optional equipment for different
schematics on aircon equipped cars.
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D34-09
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Radiator
fan – Lo Speed for After-Run (J26) controlled by timer module J155
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D06-20
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Fresh air
blower
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D06-21
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Switch for
heated rear window, preparation for radio installation
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Additional &
Optional Equipment
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Sheet
|
Item / Components
|
Notes
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B41
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Additional
Instruments, Audi Coupe, Cabriolet
|
Use
D12 if ambient display fitted
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D09
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Airbag
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1st generation, driver side only
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D12
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Ambient Temperature Display (ATD) indicator, WITH additional
instruments
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ATD was optional equipment until MY94
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D26
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ABS, 4WD Coupe
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Early variant with ABS cancel switch in dashboard.
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D39
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Anti-Theft alarm system with Infra-Red, central locking, interior
lights & delay
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Use D36 if factory alarm is not fitted.
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D17
*
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Auto-Check System
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Standard fitment to all S2 models
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D36
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Central locking, interior lights & delay
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Use D39 if fitted with factory alarm option.
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D08
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Cruise control system, WITH headlight beam-height control
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Headlight beam control was standard on S2
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D14
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Daylight driving lights, Norway
/ Sweden
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D22
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Daylight driving lights
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Unsure what territory this applies to
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B31
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Differential lock, rear
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D45
*
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Digital air conditioner
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Old ‘climatronic’ style unit… Positions of J126,
J127 and J251 are NOT documented. Note also different radiator fan relay
positions in comparison to manual air conditioning system.
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B39
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Electric Seat Adjustment
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D37
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Electric Sliding Roof with pre-select function
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B30
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Electric Windows (2-door)
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D32
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Electric Windows and rear-vent windows
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Driver Side One-Touch Window Up (1TWU)
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D31
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Electrically adjustable and heated outside mirrors
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B45
*
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Electrically heated door-lock cylinders
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D05
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Headlight beam control
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Use D08 if cruise control option fitted.
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D13
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Heated Seats
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D35
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Manual air conditioner
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Error on D35/2 with J101 shown in position 3 – should be position
11.
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B33
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On-Board Computer (OBC)
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Standard on S2
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D27
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Radio with Active Speakers
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Gamma unit, with Autocheck integration of RDS information on EU
models only.
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D28
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Radio with Passive Speakers
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D15
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Radio - Alpha, Beta
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D21
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Rear wipers
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Z47
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Rodent Repeller System
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Not Available – Oddball for some territories.
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B42
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Servotronic Steering
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Standard equipment for this years S2.
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D40
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Solar Roof, without air conditioning
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A very rare and expensive optional extra.
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D42
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Solar Roof, WITH digital air conditioning
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D41
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Solar Roof, WITH manual air conditioning
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D25
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Towing bracket with Auto-Check System
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*
Denotes sheets that do not appear in factory schematic indexes, but are
buried in the data if you look hard enough...
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