1998 BMW 328i ABS

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spare tire child seat service alternator belt jacking low beam

Page 2 of 386

$BMW 328i 1998 E36 Electrical Troubleshooting Manual BMW NA \b\b \f \f \f ELECTRICAL TROUBLESHOOTING MANUAL SERIES 3 – E36 (318is, 323i, 328i, M3, INCL. CONVERTIBLE) SCHEMATICS MODEL YEAR 1998 �� 01$

Page 4 of 386

$BMW 328i 1998 E36 Electrical Troubleshooting Manual 0100.0 INDEX \b ABS CONTROL MODULE/HYDRAULIC UNIT, A202 3450.0. . . . . . ABS HYDRAULIC UNIT, Y1 3450.1-06 . . . . . . . . . . . . . . . . . . . . . . . . . ABS HYDRA$

0100.0 INDEX

\b
ABS CONTROL MODULE/HYDRAULIC UNIT, A202 3450.0. . . . . .
ABS HYDRAULIC UNIT, Y1 3450.1-06 . . . . . . . . . . . . . . . . . . . . . . . . .
ABS HYDRAULIC UNI T, Y1w 3450.1-01
. . . . . . . . . . . . . . . . . . . . . . . .
ABS PEDAL TR AVEL SENSOR, S123 3450.1-01. . . . . . . . . . . . . . . . . . . .
ABS PUMP MO TOR REL AY, K75 3450.
. . . . . . . . . . . . . . . . . . . . . . . .
ABS PUMP MO TOR REL AY, TIMED, K125 3450.1-00
. . . . . . . . . . . .
ABS PUMP MO TOR REL AY, TIMED, K125 3450.1-05
. . . . . . . . . . . .
ABS RELAY, K10 3450. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
.
ACCELERATOR PEDAL POSITION SENSOR (ASC), R6255 3450.1-05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . .
AIR BAG GAS GENERATOR, DRIVER’S, G5 3234.0-00 . . . . . . . . . .
AIR BAG GAS GENERATOR, PASSENGER’S, G6 3234.0-00 . . . . .
AIR BAG GAS GENERATOR, RIGHT SIDE, G15 3234.0-01 . . . . . .
AIR CONDITIONING COMPRESSOR, Y2 6450.7-04 . . . . . . . . . . . . .
AIR PUMP, M6133 1210.17-05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR PUMP, Y6133 1210.20-09 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANALOG CLOCK 6213.1-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANALOG CLOCK, N5 6213.1-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANTENNA AMPLIFIER AM/FM, N8 6424.0-00 . . . . . . . . . . . . . . . . . . .
ANTI–THEFT CONTROL MODULE (ALPINE), N12w 6575.2 . . . . . .
ANTI–THEFT HORN (ALPINE), H1w 6575.2-02 . . . . . . . . . . . . . . . . .
ANTI–THEFT SYSTEM (ALPINE) 6575.2 . . . . . . . . . . . . . . . . . . . . . . .
ASC DIODE, V7 3450.1-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASC SWITCH, S6 3450.1-02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASC SWITCH, S6 3450.1-07 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASHTRAY LIGHT, FRONT, E25 6332.1-00 . . . . . . . . . . . . . . . . . . . . . .
ASHTRAY LIGHT, REAR, E28y 6300.0-01 . . . . . . . . . . . . . . . . . . . . . .
AUTOMATIC CLIMATE CONTROL MODULE, A115 6450.7 . . . . . . . AUTOMATIC TRANSMISSION RANGE SWITCH, S3 2460.
. . . . . . .
AUXILIARY FAN MOTOR, M9 6450.7 . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX IN LUGGAGE COMPARTMENT, P96 0670.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . .
AUXILIARY FUSE BOX, P95 0670.2-04 . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P97 0670.2 . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY THROTTLE POSITION MOTOR (ADS), M93 3450.1-02
AUXILIARY THROTTLE POSITION MOTOR (ADS), M93 3450.1-07
AUXILIARY THROTTLE POSITION SENSOR, R31 3450.1-04 . . . .
AUXILIARY TURN LIGHT, LEFT FRONT, H9 6313.0-02 . . . . . . . . . .
AUXILIARY TURN LIGHT, RIGHT FRONT, H8 6313.0-02 . . . . . . . . .
B+ JUMP START JUNCTION POINT, G6430 0670.2-00 . . . . . . . . . .
BACK UP LIGHT, LEFT, H27 6322.0-00 . . . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHT, RIGHT, H28 6322.0-00 . . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHTS 6322.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BATTERY, G1 0670.2-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\

BLOWER MOTOR, M30 6410.5-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6412.10-01 . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6450.7-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6410.5-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6412.10-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6450.7-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RESISTORS, R11 6410.5-01 . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RESISTORS, R11 6412.10-01 . . . . . . . . . . . . . . . . . . . . . . .
BLOWER SWITCH, S75 6410.5-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER SWITCH, S75 6412.10-00 . . . . . . . . . . . . . . . . . . . . . . . . . . .
BODY ELECTRONICS CONTROL MODULE (ZKE IV), A104 6100.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . .

Page 11 of 386

BMW 328i 1998 E36 Electrical Troubleshooting Manual INDEX

SEAT CUSHION TILT MOTOR, DRIVER’S, M50 5200.0-00. . . . . . .
SEAT CUSHION TILT MOTOR, PASSENGER’S, M61 5200.0-01. .
SEAT HEATER SWITCH, DRIVER’S SEAT,

INDEX

SEAT CUSHION TILT MOTOR, DRIVER’S, M50 5200.0-00. . . . . . .
SEAT CUSHION TILT MOTOR, PASSENGER’S, M61 5200.0-01. .
SEAT HEATER SWITCH, DRIVER’S SEAT, S53 5203.0-00. . . . . . .
SEAT HEATER SWITCH, PASSENGER’S SEAT, S54 5203.0-00. .
SEAT HEATER, DRIVER’S, E57 5203.0-00. . . . . . . . . . . . . . . . . . . . .
SEAT HEATER, PASSENGER’S, E58 5203.0-00. . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, DRIVER’S, M52 5200.0-00. . . . . . . . . . . . .
SEAT HEIGHT MOTOR, PASSENGER’S, M59 5200.0-01. . . . . . . .
SEAT LUMBAR SUPPORT MOTOR/VALVE, DRIVER’S,
M55z 5200.0-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT LUMBAR SWITCH, DRIVER’S, S52 5200.0-02. . . . . . . . . . . .
SEAT MAT, I1008 3234.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, DRIVER’S, M51 5200.0-00. . . . . . . . .
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 5200.0-01. . . .
SEAT OCCUPANCY DETECTOR, A113 3234.0-00. . . . . . . . . . . . . .
SEATBACK HEATER, DRIVER’S, E56 5203.0-00. . . . . . . . . . . . . . . .
SEATBACK HEATER, PASSENGER’S, E59 5203.0-00. . . . . . . . . . .
SEATBACK RECLINER MOTOR, DRIVER’S, M53 5200.0-00. . . . .
SEATBACK RECLINER MOTOR, PASSENGER’S, M58 5200.0-01
SECONDARY AIR PUMP RELAY, K6304 1210.17-05. . . . . . . . . . . .
SECONDARY AIR PUMP RELAY, Y6304 1210.20-09. . . . . . . . . . . .
SECONDARY AIR PUMP VALVE, Y6163 1210.17-05. . . . . . . . . . . .
SECONDARY AIR PUMP VALVE, Y6163 1210.20-09. . . . . . . . . . . .
SHIFT–LOCK, Y19 2460.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SIDE AIR BAG GAS GENERATOR, LEFT, G14 3234.0-01. . . . . . . .
SIDE IMPACT SENSOR, DRIVER’S, B78 3234.0-01. . . . . . . . . . . . .
SIDE IMPACT SENSOR, PASSENGER’S, B79 3234.0-01. . . . . . . .
SLIP CONTROL (ABS) 3450.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SLIP CONTROL (ABS/ASC) 3450.1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
SLIP CONTROL MODULE (ABS/ASC), A52 3450.1. . . . . . . . . . . . . .
SOLENOID VALVE (”RUNNING LOSSES”), Y6550 1210.17-05. . . .
SPATIAL SOUND RELAY, K128 6424.0-02. . . . . . . . . . . . . . . . . . . . . .
SPATIAL SOUND SWITCH, S303 6510.1. . . . . . . . . . . . . . . . . . . . . . .
SPEAKER, LEFT REAR, H46 6510.0-00. . . . . . . . . . . . . . . . . . . . . . .
SPEAKER, LEFT REAR, H46 6510.1-01. . . . . . . . . . . . . . . . . . . . . . .
SPEAKER, RIGHT REAR, H45 6510.0-00. . . . . . . . . . . . . . . . . . . . . .
SPEAKER, RIGHT REAR, H45 6510.1-02. . . . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3450.0-01. . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3450.1. . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3450.0-01. . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3450.1. . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3450.0-01. . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3450.1. . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT REAR, B3 3450.0-01. . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT REAR, B3 3450.1. . . . . . . . . . . . . .
SPLICE LOCATION VIEWS 8000.0. . . . . . . . . . . . . . . . . . . . . . . . . . . .
START 1240.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STARTER IMMOBILIZATION SWITCH, S235 6135.0-00. . . . . . . . . .
STARTER, M6510 1240.0-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) 3234.0. . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM CONTROL MODULE,
A12 3234.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SUPPRESSION FILTER, C900 6424.0. . . . . . . . . . . . . . . . . . . . . . . . .
SYMBOLS 0140.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H25 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H37 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 13 of 386

BMW 328i 1998 E36 Electrical Troubleshooting Manual
"#($
0110.0 INTRODUCTION $%%

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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 386

BMW 328i 1998 E36 Electrical Troubleshooting Manual 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

Page 23 of 386

BMW 328i 1998 E36 Electrical Troubleshooting Manual 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
3450.0
3450.1
5116.0

Page 26 of 386

BMW 328i 1998 E36 Electrical Troubleshooting Manual 1210.20
1230.0
1240.0
3234.0
3450.0
3450.1
5116.0ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
CHARGING SYSTEM
START
SLIP CONTROL (ABS/ASC)
POWER MIRRORS SLIP CONTROL (ABS) 2460.4ELECTRONIC TRANS

Page 40 of 386

BMW 328i 1998 E36 Electrical Troubleshooting Manual
FUSES 10, 11, AND 12
$%%

%%&

FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX F11
7.5A F1030AF127.5A
56b 56b
8
2
K10
ABS RELAY 2 X54
20
1 GE/GR
2.5 RT/BL
6312.0
1 GE/GN
A4
CHECK C

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