1999 BMW Z3M COUPE cruise control

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

INDEX











\b\b\b

CAMSHAFT POSITION SENSOR (CYLINDER IDENTIFICATION), B6204 1210.17-06 . . . . . . . . . . . . . . . . . . .
CAMSHAFT POSITION SENSOR 1 (INLET), B6214 1210.25-05 . . . . . . . . .
CAMSHAFT POSITION SENSOR 2 (OUTLET), B6224 1210.25-05 . . . . . .
CD CHANGER, N22 6510.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . .
CELLULAR TELEPHONE (PROVISIONS) 6561.0-00 . . . . . . . . . . . . . . . . . . .
CENTRAL BODY ELECTRONICS (ZKE IV) 6100.0 . . . . . . . . . . . . . . . . . . . .
CENTRAL LOCKING LUGGAGE COMPARTMENT LID MOTOR RELAY (ZV), K70 5126.0-05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHARCOAL FI LTER SHUT –OFF VA LVE, B6247 1210.17-09
. . . . . . . . . . . .
CHARGING SYSTEM 1230.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
CHIME MODULE, H10 6211.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CIGAR LIGHTER CONNECTION, E28a 3614.0-00 . . . . . . . . . . . . . . . . . . . . .
CIGAR LIGHTER LIGHT, FRONT, E29 6300.0-01 . . . . . . . . . . . . . . . . . . . . . .
CIGAR LIGHTER LIGHT, FRONT, E29 6332.0-00 . . . . . . . . . . . . . . . . . . . . . .
CIGAR LIGHTER, FRONT, E28 6332.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLUTCH SWITCH, S32 6571.0-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLUTCH SWITCH, S32 6571.0-03 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMBINATION SWITCH, S7 6313.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMPONENT LOCATION CHART 7000.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMPONENT LOCATION VIEWS 7100.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMPRESSOR CONTROL RELAY, K19 6450.6-02 . . . . . . . . . . . . . . . . . . . .
COMPRESSOR CONTROL RELAY, K19 6450.6-06 . . . . . . . . . . . . . . . . . . . .
COMPRESSOR MAIN SWITCH, S232 3614.0-00 . . . . . . . . . . . . . . . . . . . . . .
COMPRESSOR RELAY, K6394 3614.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONNECTOR VIEWS 8500.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
CONTACT RING, C101 3234.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONVERTIBLE TOP ACTUATING SWITCH, S143 5430.2-01 . . . . . . . . . . .
CONVERTIBLE TOP END –POSITION MICRO SWITCH, S164 5430.2-01
CONVERTIBLE TOP MOTOR, M101 5430.2-00 . . . . . . . . . . . . . . . . . . . . . . . CONVERTIBLE TOP RELAY I (CLOSE), K18363 5430.2-00
. . . . . . . . . . . . .
CONVERTIBLE TOP RELAY II (OPEN), K18364 5430.2-00 . . . . . . . . . . . . .
CRANKSHAFT POSITION/RPM SENSOR, B6203 1210.17-06 . . . . . . . . . .
CRANKSHAFT POSITION/RPM SENSOR, B6203 1210.25-05 . . . . . . . . . .
CRASH CONTROL MODULE 6350.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRASH CONTROL MODULE, N17 6350.0-01 . . . . . . . . . . . . . . . . . . . . . . . . .
CRUISE CONTROL (TEMPOMAT) 6571.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRUISE CONTROL ACTUATOR (TEMPOMAT), M25 6571.0-01 . . . . . . . . .
CRUISE CONTROL INTERFACE, A9008 6571.0-02 . . . . . . . . . . . . . . . . . . .
CRUISE CONTROL MODULE (TEMPOMAT), A8 6571.0 . . . . . . . . . . . . . . .
CRUISE CONTROL SWITCH, S28 6571.0-00 . . . . . . . . . . . . . . . . . . . . . . . . .
CRUISE CONTROL SWITCH, S28 6571.0-02 . . . . . . . . . . . . . . . . . . . . . . . . .
DATA LINK 0670.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . .
DATA LINK CONNECTOR, D100 0670.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DAY LIGHT RELAY MODULE, K46z 6312.0-01 . . . . . . . . . . . . . . . . . . . . . . . .
DEFOGGER I, REAR, E9 6424.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIGITAL CLOCK 6213.3-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . .
DIGITAL CLOCK, A110 6213.3-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOME LIGHT/MAP READING ASSEMBLY, FRONT, E34 6330.3-00 . . . . . .
DOOR JAMB SWITCH, DRIVER ’S, S14 5126.0-01 . . . . . . . . . . . . . . . . . . . . .
DOOR JAMB SWITCH, PASSENGER ’S, S13 5126.0-01 . . . . . . . . . . . . . . . .
DOOR LOCK MOTOR, DRIVER ’S, M12 5126.0-02 . . . . . . . . . . . . . . . . . . . . .
DOOR LOCK MOTOR, DRIVER ’S, M12 5126.0-04 . . . . . . . . . . . . . . . . . . . . .
DOOR LOCK MOTOR, PASSENGER ’S, M13 5126.0-02 . . . . . . . . . . . . . . . .
DOOR LOCK MOTOR, PASSENGER ’S, M13 5126.0-04 . . . . . . . . . . . . . . . .
DOOR LOCK SWITCH, DRIVER ’S, S47 5126.0-00 . . . . . . . . . . . . . . . . . . . .
DOOR LOCK SWITCH, PASSENGER ’S, S49 5126.0-00 . . . . . . . . . . . . . . . .
DRIVE –AWAY PROTECTION (EWS III) 6135.1 . . . . . . . . . . . . . . . . . . . . . . . .
DUAL TEMPERATURE SENSOR (COOLANT TEMPERATURE), B6256 1210.17-02 . . . . . . . . . . . . . . . . . . . .

INDEX














SIDE IMPACT SENSOR, PASSENGER’S, B79 3234.0-03. . . . . . . . . . . . . .
SLIP CONTROL (ABS/ASC) 3450.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SLIP CONTROL MODULE (ABS/ASC), A52 3450.1. . . . . . . . . . . . . . . . . . . .
SOLENOID VALVE (”RUNNING LOSSES”), Y6550 1210.17-05. . . . . . . . . .
SOLENOID VALVE (”RUNNING LOSSES”), Y6550 1210.25-04. . . . . . . . . .
SPEAKER, LEFT REAR, H46 6510.1-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPEAKER, RIGHT REAR, H45 6510.1-03. . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3450.1-04. . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3450.1-07. . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3450.1-04. . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3450.1-07. . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3450.1-04. . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3450.1-07. . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT REAR, B3 3450.1-04. . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT REAR, B3 3450.1-07. . . . . . . . . . . . . . . . .
SPLICE LOCATION VIEWS 8000.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START 1240.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STARTER IMMOBILIZATION SWITCH, S235 1240.0. . . . . . . . . . . . . . . . . . .
STARTER, M6510 1240.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) 3234.0. . . . . . . . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM CONTROL MODULE,
A12 3234.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SYMBOLS 0140.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H25 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H37 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, RIGHT, H30 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, RIGHT, H39 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TEMPERATURE SWITCH, S36 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TEMPERATURE SWITCH, S36 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TEMPERATURE WHEEL SWITCH, S531 6450.6-01. . . . . . . . . . . . . . . . . . . TEMPERATURE WHEEL SWITCH, S531 6450.6-05. . . . . . . . . . . . . . . . . . .
THERMAL OIL LEVEL SENSOR (TOENS) CONTROL MODULE,
A19007 6211.0-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THERMAL OIL LEVEL SWITCH, B6254 6211.0-07. . . . . . . . . . . . . . . . . . . . .
THERMOSTAT, CHARACTERISTIC MAP COOLING, B6279 1210.25-05.
THROTTLE POSITION SENSOR, R6252 1210.17-05. . . . . . . . . . . . . . . . . .
THROTTLE POSITION SENSOR/
CRUISE CONTROL ACTUATOR, R6385 1210.25-07. . . . . . . . . . . . . . . . . .
THROTTLE POSITION SENSOR/CRUISE CONTROL
ACTUATOR, R6385 6571.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TILT SUNROOF MOTOR, M24y 5410.5-00. . . . . . . . . . . . . . . . . . . . . . . . . . .
TILT SUNROOF SWITCH, S38y 5410.5-00. . . . . . . . . . . . . . . . . . . . . . . . . . .
TIRE INFLATION SYSTEM 3614.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TRANSMISSION CONTROL MODULE (EGS), A8500 2460.2. . . . . . . . . . .
TRANSMISSION POSITION INDICATOR LIGHT, E82 6300.0-02. . . . . . . .
TRANSMISSION VALVE UNIT, Y8521 2460.2-01. . . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, LEFT FRONT, H7 6313.0-02. . . . . . . . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, LEFT REAR, H6 6313.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, RIGHT FRONT, H4 6313.0-02. . . . . . . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, RIGHT REAR, H5 6313.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . .
TURN/HAZARD LIGHTS 6313.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UNLOADER RELAY, TERMINAL 15, K6326 1210.17-02. . . . . . . . . . . . . . . .
UNLOADER RELAY, TERMINAL 15, K6326 1210.25-01. . . . . . . . . . . . . . . .
UNLOADER RELAY, TERMINAL 15, K9 6424.0. . . . . . . . . . . . . . . . . . . . . . . .
VALVE RELAY (ABS/ASC), K95 3450.1-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .
VALVE, INDIVIDUAL CONTROL INTAKE SYSTEM, Y6167 1210.25-03. . .
VARIABLE CAMSHAFT CONTROL VALVE 1 (INLET), Y6275z 1210.25-03
VARIABLE CAMSHAFT CONTROL VALVE 1, Y6275 1210.17-01. . . . . . . .
VARIABLE CAMSHAFT CONTROL VALVE 2 (OUTLET),
Y6276 1210.25-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VEHICLE SPEED SENSOR, B10 6211.0-02. . . . . . . . . . . . . . . . . . . . . . . . . .

*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




FUSE 26







FUSE DETAILS



P90
FRONT POWER
DISTRIBUTION BOX
X85112
S8511
REVERSING LIGHT
SWITCH
X60214
X1168
X6835
12 X10017
X5112
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
1210.25
X85112
S8511
REVERSING LIGHT
SWITCH
6322.0 F26
10A
.75 GN/WS
X101703
A9008
CRUISE CONTROL
INTERFACE
6571.0X600216 Z3 VERSIONS
X600216 1.5 GN/WS
D100
DATA LINK
CONNECTOR M VERSIONS
X1168
22 X20
1.5 GN/WS
1.5 GN/WS
1 GN/WS
1.5 GN/WS
2460.2
6322.0
6571.0
1 GN/WS
X6000426
A6000
ENGINE CONTROL
MODULE (DME)
1210.25 .5 GN/WS .5 GN/WS
X85035
S8503
PROGRAM SWITCH
2460.2
D100
DATA LINK
CONNECTOR.75 GN/WS 1 GN/WS
X65241
G6509
GENERATOR
1230.0
X62541
B6254
THERMAL OIL
LEVEL SWITCH
1210.25 .5 GN/BR
X65061
M6506
E–BOX FAN
1290.0
X6836
X60112 .75 GN/WS
.75 GN/BR 1 GN/WS
.75 GN/BR .5 GN/BR
6211.0 1210.25
6322.0
6571.0
X60531
.5 GN/BR

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

.5 BR.5 BR
.5 BR










H1w
ANTI–THEFT HORN
(ALPINE)
3
X3721
X63
4
1.5 BR X10008
1 BR
A2w
INSTRUMENT
CLUSTER
X17
21
.5 BR
X3312S2
IGNITION SWITCH
.5 BR
.5 BR X85
3Y4z
WATER VALVE
K48
LOW BEAM LIGHT
RELAY
2
X454
6 BR
X9633
X10024
.5 BR .5 BR
B18
BRAKE FLUID
LEVEL SWITCH
.5 BR
X584K4
BLOWER RELAY
.5 BR
X11353
2.5 BRX10048
K46
HIGH BEAM LIGHT
RELAY
X102624
X111
1 BR
1.5 BRX1107
X705M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)
K9
UNLOADER RELAY,
TERMINAL 15
.75 BR
1.5 BR6 BRX189941
S235
STARTER
IMMOBILIZATION
SWITCH
.35 BR ROADSTER
4
K33a
AIR CONDITIONING
RELAY, MOTRONIC
.5 BRX50
K46z
DAY LIGHT RELAY
MODULECDN