1999 BMW Z3M COUPE Electrical Troubleshooting Manual



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



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 GN
2 X734
1 BL/WS
M59
PASSENGER’S
SEAT HEIGHT
MOTOR 2 .5 OR
1 X737
1 SW
GROUND
DISTRIBUTION
0670.4
2 X279
2 RT/SW
X9997
2 BR



F530A
12
S911
PASSENGER’S
SEAT LIMIT
SWITCH
1) OFF
2) LIMIT 1 X9994
X99942



GROUND
DISTRIBUTION
0670.4
9 X9995K910
PASSENGER’S
SEAT TILT ADJUST
CUT–OFF RELAY
X9995687



GROUND
DISTRIBUTION
0670.4
5
.5 VI/SW
K911
PASSENGER’S
SEAT LENGTH AD-
JUST CUT–OFF
RELAY 4
312



GROUND
DISTRIBUTION
0670.4
1 GN 1 BL10
.5 OR1 BR/WS
1 BR/SW
1 BR/SW 1 SW 1 BL .5 ORX9995
X9995
SPORT SEATS
01022100

5203.0 HEATED SEATS

GROUND
DISTRIBUTION
0670.4 X9454GROUND
DISTRIBUTION
0670.4
4











P90
FRONT POWER
DISTRIBUTION BOX
LIGHT SWITCH
DETAILS
6300.0
X100158
FUSE DETAILS
0670.3
6
5X651
10 TEST
9
8
7
6154
14
13
12
11
3
2 2 3 1 X651
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/RT .5 WS/GN
.5 GN/GE
X806
2 4 X733
13 X733
E56
DRIVER’S SEAT-
BACK HEATER E57
DRIVER’S SEAT
HEATER
.5 BR .5 BR
4 6
5X658
2 3 1 X658
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/GE .5 WS/BL
2 4 X740
1
3 X740
E59
PASSENGER’S
SEATBACK HEATER E58
PASSENGER’S
SEAT HEATER
.5 BR .5 BR.5 GR/RT .5 GR/RT1.5 GR/RT
58g
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4


F415A
01
0 2
10 TEST
9
8
7
6154
14
13
12
11
3
2
01
0 2


.5 GN/GE.5 GN/GE .5 GN/GE








 




5410.5 POWER TILT SUNROOF
X100178
FUSE DETAILS
0670.3
1 X643
F2410A
P90
FRONT POWER
DISTRIBUTION BOX
M24y
TILT SUNROOF
MOTOR
4 X6433
1.5 SW1.5 GN
5


GROUND
DISTRIBUTION
0670.4
210
S38y
TILT SUNROOF
SWITCH
0) OFF
1) RAISE
2) LOWER
210
M VERSIONS



Z3 VERSIONS













5430.2 ELECTRO–HYDRAULIC CONVERTIBLE TOP
X100152
FUSE DETAILS
0670.3
X1001832
FUSE DETAILS
0670.3
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
1 X78
2.5 RT/GE
F130AF4615A
1.5 BL/RT
1 2
X78
2
X181
4 X13146
4X1836365
2 X183638
.5 BL/RT
X1215
8 X18364
P90
FRONT POWER
DISTRIBUTION BOX
BRAKE LIGHTS
6325.0
.5 BL/RT
.5 BL/RT
K18364
CONVERTIBLE TOP
RELAY II (OPEN) 2
M101
CONVERTIBLE TOP
MOTORX18364
46
K18363
CONVERTIBLE TOP
RELAY I (CLOSE)
5


GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 .5 BR/GE
2 X231461
2.5 RT/GE
2.5 SW/GE .5 BL/RT
2.5 SW/BL.5 BR/RT









21
S164
CONVERTIBLE TOP
END–POSITION MI-
CRO SWITCH
1) TOP TENSION
RELIEVED
2) TOP FULLY
EXTENDED 3 X10299
X10299
2
120
1X130452
3 X130454



GROUND
DISTRIBUTION
0670.4
.5 BR/RT
5
.5 BR/GE


.5 BR/OR
GROUND
DISTRIBUTION
0670.43 X11209
.5 BR/ORS143
CONVERTIBLE TOP
ACTUATING
SWITCH
0) OFF
1) CLOSE
2) OPENWITH HARD TOP
PROVISIONS
X11209
LIGHT SWITCH
DETAILS
6300.058g
.5 GR/RT3 X13146
2 .5 BR/GE.5 BR/RT

C
6BCB








C2 6
F3525A
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
7
M23
PASSENGER’S
WINDOW MOTOR
15 B4
S13
PASSENGER’S
DOOR JAMB
SWITCH
M21
DRIVER’S WINDOW
MOTORS14
DRIVER’S DOOR
JAMB SWITCH D
92471482313
S127y
PASSENGER’S
POWER WINDOW
SWITCHS126y
DRIVER’S POWER
WINDOW SWITCH
LIGHT SWITCH
DETAILS
6300.0B
F3310A
10 12
5133.1-015133.1-01
P90
FRONT POWER
DISTRIBUTION BOX F43
5A
4
C
4
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE) 6575.2-00
5133.1-025133.1-00
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) 6135.0-01
5133.1-02
5133.1-00
A1517
A
9
11RXD
TXD
F1430A
B8
POWER
DISTRIBUTION
0670.2
F75A
9D
A12
6350.0-01
1
S8
LIGHT SWITCH
2
B192114163
M12
DRIVER’S DOOR
LOCK MOTOR 5126.0-02
M17
LUGGAGE
COMPARTMENT
LOCK MOTOR 5126.0-03
15 2
M13
PASSENGER’S
DOOR LOCK
MOTOR 5126.0-02

C13
S47
DRIVER’S DOOR
LOCK SWITCH
A5
5126.0-00 C
7
S826
LUGGAGE
COMPARTMENT
LIGHT SWITCH6320.0-01 D
14
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE A
5126.0-00
S49
PASSENGER’S
DOOR LOCK
SWITCH 5126.0-006300.0
N17
CRASH CONTROL
MODULE
8
3
6320.011
NOT USED
F210A
18
5126.0-055126.0-05
5126.0-05
S408
INTERIOR LIGHT
SWITCH
E34
FRONT DOME
LIGHT/MAP READ-
ING ASSEMBLY Z3 VERSIONS M VERSIONS
M COUPE
M17
LUGGAGE
COMPARTMENT
LOCK MOTORK70
CENTRAL LOCK-
ING LUGGAGE
COMPARTMENT
LID MOTOR RELAY
(ZV)S117
LUGGAGE
COMPARTMENT
LID LOCKING
SWITCH5126.0-04
START
1240.0
Z3 VERSIONS
AND
M ROADSTER6135.0-03
A
= X10182
B = X13252
C = X13252
D = X13254
6330.3-00
5126.0-04
6100.0 CENTRAL BODY ELECTRONICS (ZKE IV)