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 19 of 383
23
K48
LOW BEAM LIGHT
RELAY 11 12 13456789
38
37
35
34
33
32
31 42
41
40
39 43 44
0670.0 POWER DISTRIBUTION CHART
FRONT POWER DISTRIBUTION BOX
K2
HORN RELAYK47
FRONT FOG LIGHT
RELAYK16
HAZARD FLASHER
RELAYK4
BLOWER RELAY
K13
REAR DEFOGGER
RELAYK10
ABS RELAYK22
HIGH SPEED
RELAYK19
COMPRESSOR
CONTROL RELAYK21
NORMAL SPEED
RELAY K6300
ENGINE CONTROL
MODULE RELAYK6301w
FUEL PUMP RELAY
X56X44X45X64X58
X292X54
X53X51X52
X6300X630146
45
36110
14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
FUSES FUSES
X0
K6304
SECONDARY AIR
PUMP RELAYX6304
X11393K125
ABS PUMP MOTOR
RELAY, TIMEDK6301
CYL. 1–6 FUEL
PUMP RELAY
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 25 of 383
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
30A 5A 30A 15A 30A 20A 5A 30A 7.5A 7.5A 5A 15A 5A 5A 5A 10A 5A 7.5A20A15A 30A 5A 5A30A 5A 15A 10A 10A30A
6571.0CRUISE CONTROL (TEMPOMAT)
6575.2ANTI–THEFT SYSTEM (ALPINE)
6581.2ON–BOARD COMPUTER (BC V)
6450.7INTEGRATED CLIMATE REGULATION (IHKA E36)
6561.0CELLULAR TELEPHONE (PROVISIONS) 6510.0
6510.1RADIO/STEREO
RADIO/HIFI/TOP HIFI
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 28 of 383
6575.2ANTI–THEFT SYSTEM (ALPINE)
6581.2ON–BOARD COMPUTER (BC V)
FUSE CHART
FUSES 30 TO 50
FUSE NUMBER
46 45 44 43 42 40 39 38 37 36 35 34 33 32 31 30 41
7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 30A 15A7.5A 15A 30A 10A 5A
47
15A 7.5A
48
40A
6571.0CRUISE CONTROL (TEMPOMAT)
49
20A
50
5A
6450.7
6510.0INTEGRATED CLIMATE REGULATION (IHKA E36)
RADIO/STEREO
6561.0CELLULAR TELEPHONE (PROVISIONS)
6510.1RADIO/HIFI/TOP HIFI