1999 BMW Z3M COUPE seats

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













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. . . . . . . . . . . . . . . . . . .

*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




DRIVER’S SEAT












5200.0 POWER SEATS
P90
FRONT POWER
DISTRIBUTION BOX
X10016
18
FUSE DETAILS
0670.3
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
3) SEAT HEIGHT
SWITCH
0) OFF
1) UP
2) DOWN
7) SEAT
POSITION
SWITCH
0) OFF
1) FRONT
2) BACK
73
M51
DRIVER’S SEAT
MOVEMENT
MOTOR 1 1 BL
2 X726
1 GN
M52
DRIVER’S SEAT
HEIGHT MOTOR 2 1.VI
1 X728
1 SW
GROUND
DISTRIBUTION
0670.4
2 X275
2 RT/GE
1X275
2 BR



F1930A
02010201



PASSENGER’S SEAT











POWER SEATS
P90
FRONT POWER
DISTRIBUTION BOX
X10015
10
FUSE DETAILS
0670.3
S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH
3) SEAT HEIGHT
SWITCH
0) OFF
1) UP
2) DOWN
7) SEAT
POSITION
SWITCH
0) OFF
1) FRONT
2) BACK
73
M60
PASSENGER’S
SEAT MOVEMENT
MOTOR 1 1 BL
2 X734
1 GN
M59
PASSENGER’S
SEAT HEIGHT
MOTOR 2 1 VI/WS
1 X737
1 VI/WS
GROUND
DISTRIBUTION
0670.4
2 X279
2 RT/SW
1
X279
2 BR



F530A
02010201



DRIVER’S SEAT











POWER SEATS
P90
FRONT POWER
DISTRIBUTION BOX
X10016
18
FUSE DETAILS
0670.3
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
3) SEAT HEIGHT
SWITCH
0) OFF
1) UP
2) DOWN
7) SEAT
POSITION
SWITCH
0) OFF
1) FRONT
2) BACK
73
M51
DRIVER’S SEAT
MOVEMENT
MOTOR 1 1 GN
2 X726
1 BL/WS
M52
DRIVER’S SEAT
HEIGHT MOTOR 2 .5 OR
1 X728
1 SW
GROUND
DISTRIBUTION
0670.4
2 X275
2 RT/GE
X9993
2 BR



F1930A
12
S910
DRIVER’S SEAT
LIMIT SWITCH
1) OFF
2) LIMIT 1 X9990
X99902



GROUND
DISTRIBUTION
0670.4
9 X9991K920
DRIVER’S SEAT
TILT ADJUST CUT–
OFF RELAY
X9991687



GROUND
DISTRIBUTION
0670.4
5
.5 VI/SW
K921
DRIVER’S SEAT
LENGTH ADJUST
CUT–OFF RELAY 4
312



GROUND
DISTRIBUTION
0670.4
1 GN 1 BL10
.5 OR1 VI/WS
1 VI
1 VI 1 SW 1 BL .5 ORX9991
X9991
01020201
SPORT SEATS