1999 BMW Z3M COUPE horn

BMW NA
ELECTRICAL TROUBLESHOOTING
MANUAL
SERIES 3 – E36/7 (Z3 Roadster, Z3 Coupe,
M Roadster, and M Coupe)
SCHEMATICS MODEL YEAR 1999
0100.0 INDEX
0110.0 INTRODUCTION
0140.0 SYMBOLS
0670.0POWER DISTRIBUTION CHART 0670.1 FUSE CHART 0670.2 POWER DISTRIBUTION
0670.3 FUSE DETAILS
0670.4 GROUND DISTRIBUTION
0670.5 DATA LINK
1210.17 ENGINE CONTROL SYSTEM
MS41.1 (6–CYLINDER S52)

1210.25
ENGINE CONTROL SYSTEM
MS42.1 (6–CYLINDER M52)
1230.0 CHARGING SYSTEM
1240.0 START
1290.0 E–BOX FAN
2460.2 ELECTRONIC TRANSMISSION
CONTROL (EGS A4S 270R)

3234.0
SUPPLEMENTAL RESTRAINT
SYSTEM (AIR BAG)
3450.1 SLIP CONTROL (ABS/ASC)
3614.0 TIRE INFLATION SYSTEM
5116.0 POWER MIRRORS
5126.0ZKE CENTRAL LOCKING (ZV) 5133.0 ZKE POWER WINDOWS (FH) 5200.0 POWER SEATS 5203.0 HEATED SEATS
5410.5 POWER TILT SUNROOF


5430.2

ELECTRO–HYDRAULIC
CONVERTIBLE TOP
6100.0 CENTRAL BODY ELECTRONICS
(ZKE IV)
6133.0 HORN

6135.1

DRIVE–AWAY PROTECTION
(EWS III)
6160.1 WIPER/WASHER MODULE (WWM)
6167.1 HEADLIGHT WASHER (SRA)
6169.0 WINDSHIELD WASHER JET
HEATERS
6211.0 INSTRUMENT CLUSTER 6213.3 DIGITAL CLOCK 6300.0 LIGHT SWITCH DETAILS
6312.0 HEADLIGHTS/FOG LIGHTS
6313.0 TURN/HAZARD LIGHTS
6314.0 PARK/TAIL/UNDERHOOD LIGHTS
6320.0 LICENSE PLATE/LUGGAGE
COMPARTMENT LIGHTS
6322.0 BACK UP LIGHTS
6325.0 BRAKE LIGHTS
6330.3 INTERIOR LIGHTS
6332.0 INTERIOR ACCESSORIES
6350.0CRASH CONTROL MODULE 6424.0 REAR WINDOW DEFOGGER
6450.6
INTEGRATED HEATING– AND
CLIMATE CONTROL
6510.1 RADIO/HIFI


6561.0

CELLULAR TELEPHONE
(PROVISIONS)
6571.0CRUISE CONTROL (TEMPOMAT) 6575.2 ANTI–THEFT SYSTEM (ALPINE) 6581.3 BOARD COMPUTER (BC – LOW) 7000.0 COMPONENT LOCATION CHART
7100.0 COMPONENT LOCATION VIEWS
8000.0 SPLICE LOCATION VIEWS
8500.0 CONNECTOR VIEWS

0100.0 INDEX














ABS HYDRAULIC UNIT, Y1w 3450.1-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR BAG CUT–OFF SWITCH, PASSENGER’S, S559 3234.0-01. . . . . . . . .
AIR BAG GAS GENERATOR, DRIVER’S, G5 3234.0-00. . . . . . . . . . . . . . . .
AIR BAG GAS GENERATOR, LEFT SIDE, G14 3234.0-03. . . . . . . . . . . . . .
AIR BAG GAS GENERATOR, PASSENGER’S, G6 3234.0-01. . . . . . . . . . .
AIR BAG GAS GENERATOR, RIGHT SIDE, G15 3234.0-03. . . . . . . . . . . .
AIR CONDITIONING COMPRESSOR, Y2 6450.6-02. . . . . . . . . . . . . . . . . . .
AIR CONDITIONING COMPRESSOR, Y2 6450.6-06. . . . . . . . . . . . . . . . . . .
AIR CONDITIONING RELAY, MOTRONIC, K33a 6450.6-04. . . . . . . . . . . . .
AIR CONDITIONING/RECIRCULATING SWITCH ASSEMBLY,
S220 6450.6-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR CONDITIONING/RECIRCULATING SWITCH ASSEMBLY,
S220 6450.6-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR PUMP, Y6133 1210.17-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR PUMP, Y6133 1210.25-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANALOG CLOCK, N5 6211.0-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANTENNA AMPLIFIER AM/FM, N8 6510.1-00. . . . . . . . . . . . . . . . . . . . . . . . .
ANTI–THEFT CONTROL MODULE (ALPINE), N12w 6575.2. . . . . . . . . . . .
ANTI–THEFT HORN (ALPINE), H1w 6575.2-01. . . . . . . . . . . . . . . . . . . . . . .
ANTI–THEFT SYSTEM (ALPINE) 6575.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASC SWITCH, S6 3450.1-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASC SWITCH, S6 3450.1-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASHTRAY LIGHT, FRONT, E25 6300.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASHTRAY LIGHT, FRONT, E25 6332.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUTOMATIC TRANSMISSION RANGE SWITCH, S3 2460.2-04. . . . . . . . .
AUXILIARY FAN MOTOR, M9 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FAN MOTOR, M9 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P95 0670.2-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P97 0670.2-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY THROTTLE POSITION MOTOR (ADS), M93 3450.1-02. . . . . AUXILIARY THROTTLE POSITION SENSOR, R31 3450.1-02. . . . . . . . . . .
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. . . . . . . . . . . . . . . .
B+ JUMP START JUNCTION POINT, G6430 0670.2-05. . . . . . . . . . . . . . . .
B+ JUNCTION POINT E–BOX, G6400 0670.2-01. . . . . . . . . . . . . . . . . . . . . .
B+ JUNCTION POINT, G7512 0670.2-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHT, LEFT, H27 6322.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHT, RIGHT, H28 6322.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHTS 6322.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BATTERY, G1 0670.2-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BATTERY, G1 0670.2-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6450.6-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6450.6-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RESISTORS, R11 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RESISTORS, R11 6450.6-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER SWITCH, S75 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER SWITCH, S75 6450.6-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BOARD COMPUTER (BC – LOW) 6581.3-00. . . . . . . . . . . . . . . . . . . . . . . . .
BOARD COMPUTER (BC – LOW), A35y 6581.3-00. . . . . . . . . . . . . . . . . . . .
BODY ELECTRONICS CONTROL MODULE (ZKE IV), A104 6100.0. . . . .
BRAKE FLUID LEVEL SWITCH, B18 6211.0-00. . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHT SWITCH, S30 6325.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHT, LEFT, H24 6325.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHT, RIGHT, H31 6325.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHTS 6325.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE PAD SENSOR, LEFT FRONT, B16 6211.0-01. . . . . . . . . . . . . . . . . .
BRAKE PAD SENSOR, RIGHT REAR, B17 6211.0-01. . . . . . . . . . . . . . . . . .

INDEX













HEADLIGHT WASHER (SRA) 6167.1-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT, LEFT, E7 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT, RIGHT, E8 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT/FOG LIGHT WASHER PUMP, M7 6160.1-00. . . . . . . . . . . . . .
HEADLIGHT/FOG LIGHT WASHER PUMP, M7 6167.1-00. . . . . . . . . . . . . .
HEADLIGHTS/FOG LIGHTS 6312.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEAT/A/C CONTROL PANEL ILLUMINATION, E105 6300.0-02. . . . . . . . .
HEAT/A/C CONTROL PANEL ILLUMINATION, E105 6300.0-03. . . . . . . . .
HEAT/A/C CONTROL PANEL ILLUMINATION, E106 6300.0-02. . . . . . . . .
HEAT/A/C CONTROL PANEL ILLUMINATION, E106 6300.0-03. . . . . . . . .
HEATED SEATS 5203.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIFI AMPLIFIER, A18 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIGH BEAM LIGHT RELAY, K46 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
HIGH BEAM LIGHT, LEFT, E11 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIGH LEVEL STOP LIGHT, H34 6325.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIGH RANGE SPEAKER, LEFT FRONT, H59 6510.1-02. . . . . . . . . . . . . . .
HIGH RANGE SPEAKER, LEFT FRONT, H59 6510.1-03. . . . . . . . . . . . . . .
HIGH RANGE SPEAKER, LEFT REAR, H56 6510.1-03. . . . . . . . . . . . . . . .
HIGH RANGE SPEAKER, RIGHT FRONT, H50 6510.1-01. . . . . . . . . . . . . .
HIGH RANGE SPEAKER, RIGHT REAR, H53 6510.1-03. . . . . . . . . . . . . . .
HIGH SPEED RELAY, K22 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIGH SPEED RELAY, K22 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN RELAY, K2 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN SWITCH, S4 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN, LEFT, H2 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HOT FILM AIR MASS METER, B6207 1210.17-05. . . . . . . . . . . . . . . . . . . . .
HOT FILM AIR MASS METER, B6207 1210.25-05. . . . . . . . . . . . . . . . . . . . .
IDLE SPEED CONTROL VALVE, Y6130 1210.17-01. . . . . . . . . . . . . . . . . . .
IDLE SPEED CONTROL VALVE, Y6130 1210.25-03. . . . . . . . . . . . . . . . . . . IGNITION COIL, CYL. 1, T6151 1210.17-03. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 1, T6151 1210.25-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 2, T6152 1210.17-03. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 2, T6152 1210.25-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 3, T6153 1210.17-03. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 3, T6153 1210.25-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 4, T6154 1210.17-03. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 4, T6154 1210.25-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 5, T6155 1210.17-03. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 5, T6155 1210.25-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 6, T6156 1210.17-03. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 6, T6156 1210.25-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION SWITCH, S2 0670.2-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION SWITCH, S2 0670.2-08. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INDEX 0100.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTRUMENT CLUSTER 6211.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTRUMENT CLUSTER, A2w 6211.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTAKE AIR TEMPERATURE SENSOR, B6205 1210.17-02. . . . . . . . . . . . .
INTAKE AIR TEMPERATURE SENSOR, B6205 1210.25-07. . . . . . . . . . . . .
INTEGRATED HEATING– AND CLIMATE CONTROL 6450.6. . . . . . . . . . . .
INTERIOR ACCESSORIES 6332.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTERIOR LIGHT SWITCH, S408 6330.3-00. . . . . . . . . . . . . . . . . . . . . . . . . .
INTERIOR LIGHT, FRONT LEFT, E800 6330.3-00. . . . . . . . . . . . . . . . . . . . .
INTERIOR LIGHTS 6330.3-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTERMEDIATE PRESSURE SWITCH, B9 6450.6-03. . . . . . . . . . . . . . . . . .
INTERMEDIATE PRESSURE SWITCH, B9 6450.6-07. . . . . . . . . . . . . . . . . .
INTRODUCTION 0110.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
JET HEATER THERMOSWITCH, S198 6169.0-00. . . . . . . . . . . . . . . . . . . . .
KICK–DOWN SWITCH, S8507 2460.2-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
KNOCK SENSOR, B6240 1210.17-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INDEX













POWER DISTRIBUTION CHART 0670.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER MIRRORS 5116.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER SEATS 5200.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER TILT SUNROOF 5410.5-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER WINDOW SWITCH, DRIVER’S, S126y 5133.0-01. . . . . . . . . . . . .
POWER WINDOW SWITCH, PASSENGER’S, S127y 5133.0-01. . . . . . . . .
PRESSURE SWITCH, B8y 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE SWITCH, B8y 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE SWITCH, B9508 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE SWITCH, B9508 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PROGRAM SWITCH, S8503 2460.2-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PYROTECHNICAL BELT TENSIONER, DRIVER’S SIDE, G12 3234.0-00.
PYROTECHNICAL BELT TENSIONER, PASSENGER’S SIDE,
G13 3234.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIO ANTI–THEFT SWITCH, S20w 6575.2-00. . . . . . . . . . . . . . . . . . . . . .
RADIO, N9 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIO/HIFI 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RESISTOR, R8554 0670.4-08. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REVERSING LIGHT SWITCH, S8511 6322.0-00. . . . . . . . . . . . . . . . . . . . . . .
RIGHT HIGH BEAM LIGHT, RIGHT, E12 6312.0-01. . . . . . . . . . . . . . . . . . . .
RIGHT HORN, RIGHT, H3 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RIGHT LICENSE PLATE LIGHT, RIGHT, E44 6320.0-00. . . . . . . . . . . . . . . .
RIGHT LOW BEAM LIGHT, RIGHT, E14 6312.0-01. . . . . . . . . . . . . . . . . . . .
RIGHT PARK LIGHT, RIGHT, E19 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT BELT SWITCH, DRIVER’S, S58 3234.0-02. . . . . . . . . . . . . . . . . . . . . .
SEAT BELT SWITCH, PASSENGER’S, S59 3234.0-02. . . . . . . . . . . . . . . . .
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 5200.0-00. . . . . . . . . . . .
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 5200.0-02. . . . . . . . . . . .
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 5200.0-01. . . . . . .
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 5200.0-03. . . . . . . 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, DRIVER’S, M52 5200.0-02. . . . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, PASSENGER’S, M59 5200.0-01. . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, PASSENGER’S, M59 5200.0-03. . . . . . . . . . . . . . .
SEAT LENGTH ADJUST CUT–OFF RELAY, DRIVER’S, K921 5200.0-02.
SEAT LENGTH ADJUST CUT–OFF RELAY, PASSENGER’S,
K911 5200.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT LIMIT SWITCH, DRIVER’S, S910 5200.0-02. . . . . . . . . . . . . . . . . . . . .
SEAT LIMIT SWITCH, PASSENGER’S, S911 5200.0-03. . . . . . . . . . . . . . . .
SEAT MAT, I1008 3234.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, DRIVER’S, M51 5200.0-00. . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, DRIVER’S, M51 5200.0-02. . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 5200.0-01. . . . . . . . . . .
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 5200.0-03. . . . . . . . . . .
SEAT OCCUPANCY DETECTOR, A113 3234.0-01. . . . . . . . . . . . . . . . . . . . .
SEAT TILT ADJUST CUT–OFF RELAY, DRIVER’S, K920 5200.0-02. . . . .
SEAT TILT ADJUST CUT–OFF RELAY, PASSENGER’S,
K910 5200.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEATBACK HEATER, DRIVER’S, E56 5203.0-00. . . . . . . . . . . . . . . . . . . . . .
SEATBACK HEATER, PASSENGER’S, E59 5203.0-00. . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP RELAY, K6304 1210.17-05. . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP RELAY, Y6304 1210.25-04. . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP VALVE, Y6163 1210.17-05. . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP VALVE, Y6163 1210.25-03. . . . . . . . . . . . . . . . . . .
SHIFT–LOCK,Y19 2460.2-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SIDE IMPACT SENSOR, DRIVER’S, B78 3234.0-03. . . . . . . . . . . . . . . . . . .















CIRCUIT BREAKERVARIABLE RESISTANCE
SENSOR VARIABLE
CONTACT IS MOVED BY
AN EXTERNAL FORCE
VARIABLE RESISTOR RE-
SISTANCE IS CHANGED
BY TEMPERATURE OR
PRESSURE
DIODE CURRENT
CAN FLOW ONLY IN
DIRECTION OF AR-
ROW
ZENER DIODE TO
REGULATE VOLTAGE
LIGHT EMITTING
DIODE PERMANENT MAGNET
MOTOR ONE SPEED
PERMANENT MAGNET
MOTOR TWO SPEEDS
SOLENOID
SOLENOID CON-
TROLLED VALVE
OR CLUTCH
SOLENOIDTRANSISTORIZED
SWITCH HEATING ELEMENT
OXYGEN SENSORCONTROL/POWER
ELECTRONICS
RADIO LOUDSPEAKER OR
HORN
LIGHT BATTERY
FUSIBLE LINK
FUSE DETAILS
INDUCTIVE
SENSOR
KNOCK SENSOR
31


VEHICLE SPEED
SENSOR

THERMO SWITCH
HALL EFFECT
SENSOR
ANTENNA
0140.0 SYMBOLS

K70
CENTRAL LOCKING
LUGGAGE
COMPARTMENT
LID MOTOR RELAY
(ZV)


K48
LOW BEAM LIGHT
RELAYX45
11 12 13456 78 9
38
37
35
34
33
32
31 42
41
40
39 43 44
FRONT POWER DISTRIBUTION BOX
0670.0 POWER DISTRIBUTION CHART












K2
HORN RELAYK47
FRONT FOG LIGHT
RELAYK16
HAZARD FLASHER
RELAYK4
BLOWER RELAY
K94
ENGINE CONTROL
RELAY (ABS/ASC)K95
VALVE RELAY
(ABS/ASC)K22
HIGH SPEED
RELAYK19
COMPRESSOR
CONTROL RELAYK21
NORMAL SPEED
RELAY X56X44X64X58
X63X18766X18767
X53X51X52
46
45
3612 3 10
14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
FUSES FUSES
X0
K9
UNLOADER RELAY,
TERMINAL 15X1376
M VERSIONS K33a
AIR CONDITIONING
RELAY, MOTRONICX50
** *
*
**
M COUPE
**

*15A


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
1210.25
1290.0
2460.2
3234.0
30A 10A 30A 15A 30A 20A 5A 30A 7.5A 5A 15A 5A 5A 5A 10A 5A 7.5A20A15A 30A 5A 5A
ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
E–BOX FAN
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
7.5A 30A 10A 10A30A
5116.0POWER MIRRORS
5133.0
5200.0ZKE POWER WINDOWS (FH)
POWER SEATS
5203.0
6133.0
6160.1HEATED SEATS
HORN
WIPER/WASHER MODULE (WWM) 5126.0ZKE CENTRAL LOCKING (ZV) 3450.1SLIP CONTROL (ABS/ASC) 1230.0CHARGING SYSTEM
6135.1DRIVE–AWAY PROTECTION (EWS III)

























1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)









6100.0CENTRAL BODY ELECTRONICS (ZKE IV)



6167.1HEADLIGHT WASHER (SRA)

5430.2ELECTRO–HYDRAULIC CONVERTIBLE TOP


1240.0START

3614.0TIRE INFLATION SYSTEM
5410.5POWER TILT SUNROOF


M VERSIONS *
7.5A











*5A



FUSE CHART




FUSES 30 TO 205







FUSE NUMBER





39
7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 15A 15A 7.5A 15A30A 10A

40     
  38 37 36 35
5A 5A

40A

1210.25
1290.0
2460.2
3234.0ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
E–BOX FAN
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
5116.0POWER MIRRORS
5133.0
5200.0ZKE POWER WINDOWS (FH)
POWER SEATS
5203.0
6133.0
6160.1HEATED SEATS
HORN
WIPER/WASHER MODULE (WWM) 5126.0ZKE CENTRAL LOCKING (ZV) 3450.1SLIP CONTROL (ABS/ASC) 1230.0CHARGING SYSTEM
6135.1DRIVE–AWAY PROTECTION (EWS III) 1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)
6100.0CENTRAL BODY ELECTRONICS (ZKE IV)
6167.1HEADLIGHT WASHER (SRA) 5430.2ELECTRO–HYDRAULIC CONVERTIBLE TOP 1240.0START
3614.0TIRE INFLATION SYSTEM
5410.5POWER TILT SUNROOF
50A

30A


20A


30A


30A