Page 13 of 383

2.5 VI/SW
0110.0 INTRODUCTION
P90
FRONT POWER
DISTRIBUTION
BOXF115A
GROUND
DISTRIBUTION
0670.46160.0-02 2.5 VI/SW 4 8P91
REAR POWER
DISTRIBUTION
BOX
F4430A
X29326
X293
FUSE DETAILS
0670.3
4 VI/SW 86
8530
87
X452
CENTRAL
BODY
ELECTRONICS
(ZKE)
6100.0 K11
WIPER RELAY
FUSE DETAILS
0670.3
X493
Schematics
The schematics divide the entire vehicle electrical system into individual circuits. Interacting
electrical components are shown on one common schematic.
Switches and other components are represented in such a way that their general layout and
function are self–explicit. They are arranged on the sheet such that the current path can be
followed from positive (top) to negative (bottom).
Important: The components and wires are not drawn to scale. For instance, a lead with a length
of over 1m can be shown as a lead that is only a few cm long. To ensure clear arrangement , all
connectors, lines branches and connected components from the fuses to the component and
from the component to ground connection are not shown within the individual cells. If required,
reference can be made to cells 0670.3 Fuse Details and 0670.4 Ground Distribution where all
lines are illustrated with all plug connections, line branches and connected components.
All circuit symbols used are listed and explained in cell 0140.0 Symbols.
In cell 7000.0 Component Location Chart all important connectors, ground points and
components are listed in tabular form. It provides a precise description of the component
locations in the vehicle.
In cell 7100.0 Component Location Views the location of connectors and components which
are difficult to locate are shown in line arts or illustrations. In cell 8000.0 Splice Location Views
all splices are listed in numerical order and illustrations are provided to assist in locating splices
on larger harnesses. In cell 8500.0 Connector Views diagrams of connectors with more than 2
pins are illustrated.
Included in this ETM are foldout block diagrams. These are overviews of the entire system (EGS,
ABS, AC, etc.) which helps understand the relationships between various components and
control unit of the system being diagnosed.
Example
General conventions can be explained based on the following schematic example.
Page 23 of 383
0670.1 FUSE CHART
FUSES 1 TO 29
FUSE NUMBER
12345 10 206 7 8 9 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29
1210.20
1230.0
1240.0
3234.0
3450.1
5116.0
30A 5A 30A 15A 30A 20A 5A 30A 7.5A 7.5A 5A 15A 5A 5A 5A 10A 5A 7.5A
20A15A 30A 5A 5A
ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
CHARGING SYSTEM
START
SLIP CONTROL (ABS/ASC)
POWER MIRRORS 2460.4
ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z) 2460.2
ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
5A 30A 15A 10A 10A
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)
30A
1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)
5126.0
ZKE CENTRAL LOCKING (ZV)
5430.1
6100.0ELECTRICAL CONVERTIBLE TOP
CENTRAL BODY ELECTRONICS (ZKE IV) 5133.1
5200.0
5203.0
5410.1
POWER WINDOWS (FH)
POWER SEATS
HEATED SEATS
POWER TILT/SLIDE SUNROOF (SHD)
6133.0HORN
6135.0DRIVE–AWAY PROTECTION (EWS II)
5120.0
ZKE DOOR LOCK HEATING (TSH)
6160.1WIPER/WASHER MODULE (WWM)
Page 24 of 383
5A 5A
FUSE CHART
FUSES 1 TO 29
FUSE NUMBER
12345 10 206 7 8 9 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29
6167.1
6211.0
6213.1
6214.0
6300.0
6312.0
6313.0
30A 5A 30A 15A 30A 20A 5A 30A 7.5A 7.5A 5A 15A 5A 5A 5A 10A 7.5A
20A 15A 30A 5A
HEADLIGHT WASHER (SRA)
ON–BOARD DISPLAY
LIGHT SWITCH DETAILS
HEADLIGHTS/FOG LIGHTS
TURN/HAZARD LIGHTS INSTRUMENT CLUSTER
ANALOG CLOCK
5A 30A 10A15A 10A30A
6314.0PARK/TAIL/UNDERHOOD LIGHTS
6350.0
6424.0CRASH CONTROL MODULE
REAR WINDOW DEFOGGER/ANTENNA 6325.0
6330.3
6332.1BRAKE LIGHTS
INTERIOR LIGHTS
GLOVE BOX LIGHT/CASSETTE BOX/ASHTRAY LIGHT/CHARGING
SOCKET/CIGAR LIGHTER 6322.0BACK UP LIGHTS
6320.0LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS
6410.5HEATING CONTROL (HR)
6169.0WINDSHIELD WASHER JET HEATERS
6412.10PARK VENTILATION WITH HR
6412.20PARK VENTILATION WITH IHKA E36
6213.2MULTI–FUNCTION CLOCK
Page 26 of 383
1210.20
1230.0
1240.0
3234.0
3450.1
5116.0ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
CHARGING SYSTEM
START
SLIP CONTROL (ABS/ASC)
POWER MIRRORS 2460.4ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z) 2460.2ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)
FUSE CHART
FUSES 30 TO 50
FUSE NUMBER
39
7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 30A 15A 7.5A 15A30A10A
40 38 37 36 35
5A
7.5A
15A
1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)
5430.1
6100.0
6133.0ELECTRICAL CONVERTIBLE TOP
CENTRAL BODY ELECTRONICS (ZKE IV)
HORN 5133.1
5200.0
5203.0
5410.1POWER WINDOWS (FH)
POWER SEATS
HEATED SEATS
POWER TILT/SLIDE SUNROOF (SHD) 5126.0ZKE CENTRAL LOCKING (ZV)
40A
20A
5A
6135.0DRIVE–AWAY PROTECTION (EWS II)
5120.0ZKE DOOR LOCK HEATING (TSH)
6160.1WIPER/WASHER MODULE (WWM)
Page 27 of 383
6211.0
6213.2
6214.0
6300.0
6312.0
6313.0ON–BOARD DISPLAY
LIGHT SWITCH DETAILS
HEADLIGHTS/FOG LIGHTS
TURN/HAZARD LIGHTS INSTRUMENT CLUSTER
MULTI–FUNCTION CLOCK
FUSE CHART
FUSE NUMBER
40
FUSES 30 TO 50
7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 30A 15A 7.5A 15A30A 10A 5A7.5A
15A
6320.0LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS
6350.0
6410.5
6424.0CRASH CONTROL MODULE
HEATING CONTROL (HR)
REAR WINDOW DEFOGGER/ANTENNA 6325.0
6330.3
6332.1BRAKE LIGHTS
INTERIOR LIGHTS
GLOVE BOX LIGHT/CASSETTE BOX/ASHTRAY LIGHT/CHARGING
SOCKET/CIGAR LIGHTER 6322.0BACK UP LIGHTS
6314.0PARK/TAIL/UNDERHOOD LIGHTS
40A
20A
5A
6169.0WINDSHIELD WASHER JET HEATERS
6412.10PARK VENTILATION WITH HR
6412.20PARK VENTILATION WITH IHKA E36 6213.1ANALOG CLOCK
6167.1HEADLIGHT WASHER (SRA)
Page 38 of 383
FUSES 6 AND 7
FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
K13
REAR DEFOGGER
RELAY 6 X292
F630A
12
2.5 RT/BR
6424.0
F75A
14 X10015
13 X13
X1234
S47
DRIVER’S DOOR
LOCK SWITCH .5 RT/GN
M12
DRIVER’S DOOR
LOCK MOTOR 6 X660
.5 RT/GN
M13
PASSENGER’S
DOOR LOCK
MOTOR 6 X641
.5 RT/GN
M17
LUGGAGE
COMPARTMENT
LOCK MOTOR 3 X311.35 RT/GNS302
CENTRAL LOCKING
SWITCH 4 X1292
.35 RT/GN
2 X747
1112 X25712 .35 RT/GN .35 RT/GN .35 RT/GN.75 RT/GN
.75 RT/GN
5126.0
5126.05126.05126.05126.0
30
11 X256
.5 RT/GN
2 X742
S49
PASSENGER’S
DOOR LOCK
SWITCH
5126.0 .35 RT/GN
A96
CONVERTIBLE TOP
CONTROL MODULE 26 X13159
.5 RT/GN
S213
LUGGAGE
COMPARTMENT
LID MICRO SWITCH 3 X10225
5430.1
K117
LUGGAGE
COMPARTMENT
LID RELAY 2 X10226
5126.0
M43
CONVERTIBLE TOP
STORAGE LID
LOCK MOTOR 3 X10223
5430.1
.5 RT/GN
1.5 RT/GN
5430.1.75 RT/GN
MECHANICAL
CONVERTIBLE TOP
Page 44 of 383
FUSE 23
FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX F23
5A
X1076
X8991
S7
COMBINATION
SWITCH
X174
A2w
INSTRUMENT
CLUSTER
X2924
K13
REAR DEFOGGER
RELAY
X10709
N10
MULTI–FUNCTION
CLOCK
X638
K9
UNLOADER RELAY,
TERMINAL 15
.5 GN/GE
5203.0
6213.2 6424.0 6312.0
6313.0 1 X35
1 GN/BL
.75 GN/GE.5 GN/BL
.5 GN/BL .35 GN/BL 1.5 GN/BL
6581.2 6211.0
6410.5.5 GN/BL
X100176
N4
ON–BOARD
COMPUTER X32
9
A32y
THERMOSTAT
6214.0
A35
ON–BOARD
DISPLAY
.5 GN/BL
X152724 .5 GN/GE
6450.7A115
AUTOMATIC
CLIMATE CONTROL
MODULE
X851 .5 GE
6410.5Y4
WATER VALVE
ASSEMBLY
.5 GN/GE
X354
X897
.5 GN/GE
.5 GN/GE
WITH IHKA WITH HR
Page 47 of 383
FUSE 31
FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX F31
5A
X1067
X152725
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
Y4
WATER VALVE
ASSEMBLY.5 RT/GE .5 RT/GE
X107018
6213.2
X1622
A2w
INSTRUMENT
CLUSTER
6211.0
X5223
H10
CHIME MODULE
6213.2X851
N10
MULTI–FUNCTION
CLOCK
X100546 .75 RT/GE
.5 RT/GE .5 RT/GE .5 RT/GE
.5 RT/GE
6581.2
6450.7X18160
X100182
6214.0A35
ON–BOARD
DISPLAY
X16595
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
1240.0 .5 RT/GE
5126.0
6135.0
X354
.5 GE1 RT/GE
6450.7
X10718
N4
ON–BOARD
COMPUTER
6581.2 .35 RT/GE
.5 RT/GE
1
N5
ANALOG CLOCK
6213.1X1155