1999 BMW Z3M COUPE brake

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













KNOCK SENSOR, B6240 1210.25-09. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LEAKAGE DIAGNOSIS PUMP, Y6139 1210.25-04. . . . . . . . . . . . . . . . . . . . .
LICENSE PLATE LIGHT, LEFT, E43 6320.0-00. . . . . . . . . . . . . . . . . . . . . . . .
LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS 6320.0-00. . . . . .
LIGHT ASSEMBLY, LEFT REAR, E16 0670.4-16. . . . . . . . . . . . . . . . . . . . . .
LIGHT ASSEMBLY, RIGHT REAR, E17 0670.4-16. . . . . . . . . . . . . . . . . . . . .
LIGHT SWITCH DETAILS 6300.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LIGHT SWITCH, S8 6300.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW BEAM LIGHT RELAY, K48 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW BEAM LIGHT, LEFT, E13 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW RANGE SPEAKER, LEFT FRONT, H58 6510.1-01. . . . . . . . . . . . . . . .
LOW RANGE SPEAKER, LEFT REAR, H57 6510.1-02. . . . . . . . . . . . . . . . .
LOW RANGE SPEAKER, RIGHT FRONT, H51 6510.1-01. . . . . . . . . . . . . .
LOW RANGE SPEAKER, RIGHT REAR, H52 6510.1-02. . . . . . . . . . . . . . . .
LUGGAGE COMPARTMENT LID LOCKING SWITCH, S117 5126.0-05. . .
LUGGAGE COMPARTMENT LIGHT SWITCH, S826 6320.0-00. . . . . . . . .
LUGGAGE COMPARTMENT LIGHT, E32 6320.0-01. . . . . . . . . . . . . . . . . . .
LUGGAGE COMPARTMENT LOCK MOTOR, M17 5126.0-03. . . . . . . . . . .
LUGGAGE COMPARTMENT LOCK MOTOR, M17 5126.0-05. . . . . . . . . . .
MARKER LIGHT, LEFT FRONT, E21 6314.0-01. . . . . . . . . . . . . . . . . . . . . . .
MARKER LIGHT, RIGHT FRONT, E22 6314.0-01. . . . . . . . . . . . . . . . . . . . . .
MID–HIGH RANGE SPEAKER, REAR LEFT, H55z 6510.1-02. . . . . . . . . . .
MID–HIGH RANGE SPEAKER, REAR RIGHT, H54z 6510.1-02. . . . . . . . . .
MIDRANGE SPEAKER, LEFT FRONT, H55 6510.1-02. . . . . . . . . . . . . . . . .
MIDRANGE SPEAKER, LEFT FRONT, H55 6510.1-03. . . . . . . . . . . . . . . . .
MIDRANGE SPEAKER, RIGHT FRONT, H54 6510.1-01. . . . . . . . . . . . . . . .
MIRROR CONTROL SWITCH, S17 5116.0-00. . . . . . . . . . . . . . . . . . . . . . . .
MIRROR, DRIVER’S SIDE, Y5 5116.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MIRROR, PASSENGER’S SIDE, Y6 5116.0-01. . . . . . . . . . . . . . . . . . . . . . . .
NORMAL SPEED RELAY, K21 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . NORMAL SPEED RELAY, K21 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OBD II CONNECTOR, D110 0670.5-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OBD II CONNECTOR, D110 0670.5-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OIL PRESSURE SWITCH, B6231 1210.25-08. . . . . . . . . . . . . . . . . . . . . . . . .
OIL PRESSURE SWITCH, B6231 6211.0-03. . . . . . . . . . . . . . . . . . . . . . . . . .
OIL PRESSURE SWITCH, B6231 6211.0-07. . . . . . . . . . . . . . . . . . . . . . . . . .
OIL TEMPERATURE GAUGE, B59 6211.0-05. . . . . . . . . . . . . . . . . . . . . . . . .
OIL TEMPERATURE SENSOR, B6238 1210.25-07. . . . . . . . . . . . . . . . . . . .
OIL TEMPERATURE SENSOR, B6238 6211.0-05. . . . . . . . . . . . . . . . . . . . .
ON–BOARD COMPUTER TEMPERATURE SENSOR, B21 6581.3-00. . . .
OXYGEN SENSOR I
(BEHIND CATALYTIC CONVERTER), B62102 1210.17-04. . . . . . . . . . . . .
OXYGEN SENSOR I
(BEHIND CATALYTIC CONVERTER), B62102 1210.25-06. . . . . . . . . . . . .
OXYGEN SENSOR I
(IN FRONT OF CATALYTIC CONVERTER), B62101 1210.17-04. . . . . . . .
OXYGEN SENSOR I
(IN FRONT OF CATALYTIC CONVERTER), B62101 1210.25-06. . . . . . . .
OXYGEN SENSOR II
(BEHIND CATALYTIC CONVERTER), B62202 1210.17-04. . . . . . . . . . . . .
OXYGEN SENSOR II
(BEHIND CATALYTIC CONVERTER), B62202 1210.25-06. . . . . . . . . . . . .
OXYGEN SENSOR II
(IN FRONT OF CATALYTIC CONVERTER), B62201 1210.17-04. . . . . . . .
OXYGEN SENSOR II
(IN FRONT OF CATALYTIC CONVERTER), B62201 1210.25-06. . . . . . . .
PARK BRAKE SWITCH, S31 6211.0-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARK BRAKE SWITCH, S31 6211.0-08. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARK LIGHT, LEFT, E15 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARK/TAIL/UNDERHOOD LIGHTS 6314.0. . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER DISTRIBUTION 0670.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

*15A
10A
6312.0


FUSE CHART




FUSES 1 TO 29







FUSE NUMBER
6313.0
6314.0
6320.0
6322.0TURN/HAZARD LIGHTS
BACK UP LIGHTS LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS PARK/TAIL/UNDERHOOD LIGHTS
6332.0INTERIOR ACCESSORIES
6424.0REAR WINDOW DEFOGGER
6450.6
6561.0
6571.0
6575.2CRUISE CONTROL (TEMPOMAT) INTEGRATED HEATING– AND CLIMATE CONTROL
CELLULAR TELEPHONE (PROVISIONS)
ANTI–THEFT SYSTEM (ALPINE) 6350.0CRASH CONTROL MODULE 6330.3INTERIOR LIGHTS 6325.0BRAKE LIGHTS HEADLIGHTS/FOG LIGHTS
6581.3BOARD COMPUTER (BC – LOW) 6510.1RADIO/HIFI


























6300.0LIGHT SWITCH DETAILS



6169.0WINDSHIELD WASHER JET HEATERS

6211.0INSTRUMENT CLUSTER


6213.3DIGITAL CLOCK12345 10 206 7 8 9 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29
30A 30A 15A 30A 20A 5A 30A 7.5A 5A 15A 5A 5A 5A 10A 5A 7.5A20A 15A 30A 5A 5A7.5A 30A 10A 10A30A M VERSIONS *
7.5A*5A



FUSE CHART




FUSES 30 TO 205







FUSE NUMBER
6313.0
6314.0
6320.0
6322.0TURN/HAZARD LIGHTS
BACK UP LIGHTS LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS PARK/TAIL/UNDERHOOD LIGHTS
6332.0INTERIOR ACCESSORIES
6424.0REAR WINDOW DEFOGGER
6450.6
6561.0
6571.0
6575.2CRUISE CONTROL (TEMPOMAT) INTEGRATED HEATING– AND CLIMATE CONTROL
CELLULAR TELEPHONE (PROVISIONS)
ANTI–THEFT SYSTEM (ALPINE) 6350.0CRASH CONTROL MODULE 6330.3INTERIOR LIGHTS 6325.0BRAKE LIGHTS 6312.0HEADLIGHTS/FOG LIGHTS
6581.3BOARD COMPUTER (BC – LOW) 6510.1RADIO/HIFI
































6300.0LIGHT SWITCH DETAILS












6169.0WINDSHIELD WASHER JET HEATERS
6211.0INSTRUMENT CLUSTER



6213.3DIGITAL CLOCK


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

50A

30A


20A


30A


30A




FUSES 11, 12, AND 13







FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
6 X100162
E14
RIGHT LOW BEAM
LIGHT
4
E13
LEFT LOW BEAM
LIGHT
2 X135
2 X130
6312.0
6350.0
6312.0
6350.0
E8
RIGHT HEADLIGHT
E7
LEFT HEADLIGHT
1 GE/GN 1 GE/BL




F135A F117.5AF127.5A 56b 56b
Z3 VERSIONS M VERSIONS
K6301w
FUEL PUMP RELAY .35 RT/WS
1210.25
8 X6301
S30
BRAKE LIGHT
SWITCH
6325.0
6571.04 X78
X11212
.5 RT/WS
.75 RT/WS
A52
SLIP CONTROL
MODULE
(ABS/ASC) 1.5 RT/WS/GE
3450.1
1 X1175
S6
ASC SWITCH
3450.11 X2227
X2233
.5 RT/WS/GE
.5 RT/WS/GE
7.5AZ3 VERSIONS
B6247
CHARCOAL FILTER
SHUT–OFF VALVE
1210.17
2 X6247
K6301w
FUEL PUMP RELAY8 X6301
.5 RT/WS/GE.5 RT/WS/GE
1210.17

X1182


S28
CRUISE CONTROL
SWITCH
6571.0 .5 VI/GE
X721X1716
A2w
INSTRUMENT
CLUSTER
6211.0 .5 VI/GE
FUSE 46










FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
X2226
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
6571.0 1.5 VI/GE
S30
BRAKE LIGHT
SWITCH
6325.0 1.5 VI/GE.5 VI/GEX781
X1001832
6571.0.5 VI/GE
3450.1
F4615A
2460.2
X100593
B59
OIL TEMPERATURE
GAUGE
6211.0X1024510
A35y
BOARD
COMPUTER
(BC – LOW)
6581.3
1210.25 5430.2Z3 VERSIONS M VERSIONS M VERSIONS M VERSIONS
.5 VI/GE
X192455



GROUND DISTRIBUTION
GROUND X9633











X9633
Z3 VERSIONS
X6234Y5
DRIVER’S SIDE
MIRROR
.5 BR
X6252S17
MIRROR CONTROL
SWITCH
.75 BR
X7493M21
DRIVER’S
WINDOW
MOTOR
.5 BR
X849
X2571
.75 BR
1 BR
X2951S5
WIPER/WASHER
SWITCH
.75 BR
X648K16
HAZARD FLASHER
RELAY
.75 BR
X183332S8
LIGHT SWITCH
.5 BR .75 BR
X10982
.75 BR
X1115
1.5 BR
X102624K46
HIGH BEAM LIGHT
RELAY
.5 BR
X1112B18
BRAKE FLUID
LEVEL SWITCH
.5 BR
X454K48
LOW BEAM LIGHT
RELAY
.5 BR
X584K4
BLOWER RELAY
.5 BR
X853Y4z
WATER VALVE
X10024
X173A2w
INSTRUMENT
CLUSTER
.5 BR
X189941S235
STARTER
IMMOBILIZATION
SWITCH
.5 BR
X3312S2
IGNITION SWITCH
.5 BR
X3721H1w
ANTI–THEFT HORN
(ALPINE)
1 BR
X634K9
UNLOADER RELAY,
TERMINAL 15
.5 BR
X10008
4 BRX11353
.5 BR
X3331
X2857
A51
WIPER/WASHER
MODULEM3
WIPER MOTOR
2.5 BR
2.5 BR 1.5 BR
1.5 BR
.75 BR NOT USED
WITH EGS
K46z
DAY LIGHT RELAY
MODULECDN