fuse BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual







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Pin Assignments
 !""

E = Input, A = Output, M = Ground
X74
Pin Type Description/Function Connection
1
APyrotechnical belt tensionerDriver’s side pyrotechnical belt tensioner
2APyrotechnical belt tensionerDriver’s side pyrotechnical belt tensioner
3APyrotechnical belt tensionerPassenger’s side pyrotechnical belt
tensioner
4APyrotechnical belt tensionerPassenger’s side pyrotechnical belt
tensioner
5EPower supplyFront power distribution box, fuse 41
6MGroundGround point
7AAir bag warning indicatorInstrument cluster
8EBelt switchPassenger’s seat belt switch
9E/ATxD diagnostic data lineData link connector
10AAir bag (+)Driver’s air bag gas generator
11AAir bag (–)Driver’s air bag gas generator
12EBelt switchDriver’s seat belt switch
13AAir bag (+)Passenger’s air bag gas generator
14AAir bag (–)Passenger’s air bag gas generator
15ESeat occupancy detectorSeat occupancy detector
16AGas generatorGas generator, left side air bag
17AGas generatorGas generator, left side air bag
18AGas generatorGas generator, right side air bag
19AGas generatorGas generator, right side air bag
20EImpact sensorDriver’s side impact sensor
21EImpact sensorPassenger’s side impact sensor
22Not used
23Not used
24Not used
25Not used
26Not used
27Not used
28Not used
29Not used






SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) !""


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X1614
FUSE DETAILS
0670.3
A2w
INSTRUMENT
CLUSTER
10) AIR BAG X16
23
.5 GE/SW.5 GE/BR1 X7832
G5
DRIVER’S AIR BAG
GAS GENERATOR
C101
CONTACT RING
14
34
.35 BR/SW
6
GROUND
DISTRIBUTION
0670.4
5
FUSE DETAILS
0670.3 22P90
FRONT POWER
DISTRIBUTION BOX
10 11
F275A
+# #
7
.5 BR/VI
CA
X10018
F4115A
10
1 X9997
2 .5 BR.5 BL
R
ABF+ ABF– 31THE DRIVER’S
AND PAS-
SENGER’S AND
THE SIDE AIR
BAG GENERA-
TORS AND THE
PYROTECHNIC
AL BELT TEN-
SIONERS ARE
FITTED WITH
SHORTING
BRIDGES.THE BRIDGES
SHORT THE
GENERATOR
LEADS
TOGETHER TO
PREVENT
UNINTEN-
TIONAL TRIG-
GERING OF
THE IGNITER
WHEN WORK-
ING ON THE AIR
BAG SYSTEM.
X10017
X132537A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X74
AWL
.5 GE/RT.5 GE/BR1 X102142
G12
DRIVER’S SIDE
PYROTECHNICAL
BELT TENSIONER
12
1 X102162 .5 GE/RT
.5 GE/BR
.5 BL/RT.5 BL/BR1 X102152
G13
PASSENGER’S
SIDE
PYROTECHNICAL
BELT TENSIONER
34
1 X102172 .5 GE/RT
.5 GE/BR
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
X74

625
62
34
314






SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) !""


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FUSE DETAILS
0670.3 24FUSE DETAILS
0670.3 8P90
FRONT POWER
DISTRIBUTION BOX
F425A
15 .5 WS/RT
X10017
F2410A
3
A113
SEAT OCCUPANCY
DETECTOR
SBE
4
5
12
GROUND
DISTRIBUTION
0670.4
S559 *
PASSENGER’S AIR
BAG CUT–OFF
SWITCH
1) PASSENGER’S
AIR BAG
SWITCHED ON
2) PASSENGER’S
AIR BAG
SWITCHED OFFX10218
2
1X10218
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
GROUND
DISTRIBUTION
0670.4
X10018
3
6 12212
G6
PASSENGER’S AIR
BAG GAS
GENERATOR
13 14
1 X7822 .5 BL/SW.5 BL/BR
ABBF+ ABBF–
1
X19565
* THE ORIGINAL
JUMPER IS
OPTIONALLY
REPLACED BY
THE SWITCH
S559. X74
.5 BL/SW .5 BL/RRX74
X19565
+#$#)+##
.5 BL/SW .5 BL/RR
12
X91009
I1008
SEAT MAT
51 X19565
6 2 X19565
EARLY PRODUCTION






SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) !""


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4
FUSE DETAILS
0670.3 22P90
FRONT POWER
DISTRIBUTION BOX
+##
X10018
F4115A
DATA LINK
0670.5
.5 WS/VI
TXD
X74
X185181
14 X17
A2w
INSTRUMENT
CLUSTER
8
.5 BL/WS/GE
3
12
GROUND
DISTRIBUTION
0670.4
S59
PASSENGER’S
SEAT BELT SWITCH
1) BELT
UNBUCKLED
2) BELT BUCKLED
1 2
12
.5 BR/GN/WS
3
X7781
S58
DRIVER’S SEAT
BELT SWITCH
1) BELT
UNBUCKLED
2) BELT BUCKLED
GROUND
DISTRIBUTION
0670.4
X18518NOT USED
2.5 BL/VI/GE
GKBF GKFA12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
2 X778
NOT USED
4
NOT USED
9
X74
FUSE DETAILS
0670.3






SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)
SIDE AIR BAG
 !""


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A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
FUSE DETAILS
0670.3
.35 WS/BL
P90
FRONT POWER
DISTRIBUTION BOX
X10018
22
20
G14
LEFT SIDE AIR BAG
GAS GENERATOR
16 17
.5 BL .5 BR
1
2 X1885B78
DRIVER’S SIDE
IMPACT SENSOR
F4115A
.5 GE
33
B79
PASSENGER’S
SIDE IMPACT
SENSOR
1X1885
GROUND
DISTRIBUTION
0670.4
25 26
.5 BR
12
G15
RIGHT SIDE AIR
BAG GAS
GENERATOR
1819
.5 GE .5 BR
25 26
.5 BR
12
.5 BLX257
X1883
X256
X1884
X74
.5 VI/BL
2 X1886
X1886
GROUND
DISTRIBUTION
0670.4
X7421 .35 WS/GE
X10010
THE DRIVER’S AND
PASSENGER’S AND
THE SIDE AIR BAG
GENERATORS AND
THE
PYROTECHNICAL
BELT TENSIONERS
ARE FITTED WITH
SHORTING
BRIDGES.THE BRIDGES
SHORT THE
GENERATOR
LEADS TOGETHER
TO PREVENT
UNINTENTIONAL
TRIGGERING OF
THE IGNITER
WHEN WORKING
ON THE AIR BAG
SYSTEM.
X10010
.5 VI/BL
LATE PRODUCTION








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Pin Assignments
 !""
E = Input, A = Output, M = Ground
X1170
Pin Type Description/Function Connection
51
AABS relayABS relay
52AActivate left front inlet valveABS hydraulic unit
53Not used
54Not used
55MGroundGround point
56Not used
57ARxD diagnostic data linkData link connector
58ETerminal 15Fuse 21
59EVoltage supplyABS pump motor relay
60:;
61Not used
62Not used
63AGround, left rear speed sensorLeft rear speed sensor
64AGround, right rear speed sensorRight rear speed sensor
65ESignal, right front speed sensorRight front speed sensor
66AGround, left front speed sensorLeft front speed sensor
67MGroundGround point
68Not used
69ETerminal 15Fuse 21
70Not used
71Not used
72AActivate right front inlet valveABS hydraulic unit
73AActivate pump relayABS pump motor realy
74AActivate rear axle inlet valveABS hydraulic unit
75AActivate left front outlet valveABS hydraulic unit
76MGroundGround point
77EPower protectionABS hydraulic unit
78E/ATxD diagnostic data linkData link connector
79ETerminal 54Brake light switch
80Not used

SLIP CONTROL (ABS) !""



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K75
ABS PUMP MOTOR
RELAY
2.5 RT/BL/GE
32 X10018
X181
2 X1001720 X1001516 X10018
11 X17
685X54
69 X1161
42X54
48 X1161
23 X16
29
BRAKE LIGHTS
6325.0
X1164
422.5 RT/BL/GE
.5 BR/SW
A7
SLIP CONTROL
MODULE (ABS).5 GN/BL/GE
.5 BR/GR 2.5 RT/
GN/GE
K10
ABS RELAY A2w
INSTRUMENT
CLUSTERP90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
F4615AF215AF1030AF3830A
1 X78
2 X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
2
X170
9
.5 GN/BL/GE
1X1119
14F27
5A
FUSE DETAILS
0670.3
NOT USED
2.5 RT/BL/GE .5 GR/SW/GENOT USED
GROUND
DISTRIBUTION
0670.4 1.5 BL/RT
.75 BL/RT
7 .5 WS/GE28 .5 WS/VI
DATA LINK
0670.5
RXD TXD






8
.5 GN/BL/GE
1 2
M ROADSTER

3450.1-09
3450.1-10
3450.1-12
 !""
#""$
3
3450.1-11
3450.1-10
Y1
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K94
ENGINE CONTROL
RELAY (ABS/ASC)
A52
SLIP CONTROL
MODULE
(ABS/ASC)
48 X1175
TXD 46
2619302
S30
BRAKE LIGHT
SWITCH F49
50AF4615A
55
3450.1-12
53
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS) 3450.1-092339 43
R31
AUXILIARY
THROTTLE
POSITION SENSOR 3450.1-09 67
10 36
B2
LEFT FRONT
SPEED SENSOR –
ABS 3450.1-1312 13
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-1314 15
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3450.1-1311 38
B3
RIGHT REAR
SPEED SENSOR –
ABS 3450.1-1388778118
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-12
76
3354275225634493151
F1030AF135A
S6
ASC SWITCH 3450.1-12
44
LIGHT SWITCH
DETAILS
6300.058g
X1175
203529 X117528
S31
PARK BRAKE
SWITCH 3450.1-09
P95
AUXILIARY FUSE
BOX
F3830A
P90
FRONT POWER
DISTRIBUTION BOX
3450.1-09
A2w
INSTRUMENT
CLUSTER
M ROADSTER
37


7124
G6509
GENERATOR
F275A
K95
VALVE RELAY
(ABS/ASC) 3450.1-10
1230.0 D +
83
NOT USED
SLIP CONTROL (ABS/ASC)


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Pin Assignments (4-Cylinder)
 !""





E = Input, A = Output, M = Ground
X1170
Pin Type Description/Function Connection
93
ALeft front inlet valveABS hydraulic unit
94ALeft front outlet valveABS hydraulic unit
95MGroundGround point
96EVoltage supplyFuse 21
97Not used
98E/ACan-LowDME/EGS module
99E/ACan-HighDME/EGS module
100EThrottle position signal 1Auxiliary throttle position sensor
101EThrottle position signal 3Auxiliary throttle position sensor
102Not used
103ASensor groundLeft front speed sensor (ABS)
104ASensor groundRight front speed sensor (ABS)
105ASensor groundLeft rear speed sensor (ABS)
106ASensor groundRight rear speed sensor (ABS)
107ESignal, pump motorABS pump motor relay
108Not used
109EBrake pedal positionBrake light switch
11 0Not used
111MGroundGround point
11 2Not used
11 3Not used
11 4ARight rear outlet valveABS hydraulic unit
11 5ARight front inlet valveABS hydraulic unit
11 6ARight front outlet valveABS hydraulic unit
11 7ALeft rear outlet valveABS hydraulic unit
11 8ALeft rear inlet valveABS hydraulic unit
11 9ARight rear inlet valveABS hydraulic unit
120AActivate relayABS pump motor relay
121ASeparator valveABS hydraulic unit
122EThrottle position signal 2Auxiliary throttle position sensor


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Pin Assignments (4-Cylinder)
 !""





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
123
AABS signalABS pump motor relay/Hydraulic unit
124ESpeed signalLeft front speed sensor (ABS)
125ESpeed signalRight front speed sensor (ABS)
126ESpeed signalLeft rear speed sensor (ABS)
127ESpeed signalRight rear speed sensor (ABS)
128E/ATxD diagnostic data linkData link connector
129ARight rear speed signalDME module
130Not used
131EASC signalASC switch
132AABS signalInstrument cluster
133MGroundGround point
134AASC signalInstrument cluster
X1652
Pin Type Description/Function Connection
1
AADS step motor (–)Auxiliary throttle position motor
2MGroundGround point
3AADS step motor (+)Auxiliary throttle position motor
4EVoltage supplyFuse 38
5AABS signalABS hydraulic unit