1998 BMW Z3M ROADSTER Electrical Troubleshooting Manual






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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

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1 2
S164
CONVERTIBLE TOP
END–POSITION
MICRO 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
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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
6300.0
B
F3310A
1012
5133.1-015133.1-01
P90
FRONT POWER
DISTRIBUTION BOX F43
5A
18 4
C
4
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE) 6575.2-00
5133.1-025133.1-00
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) 6135.0-01
5133.1-02
5133.1-00X10182
X13252X13253X13254
A =
B
=
C =
D =
A1517
A
9
11RXD
TXD
F1430A
B8
POWER
DISTRIBUTION
0670.2
F75A
9D
M6510
STARTER
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
5133.1-00
P90
FRONT POWER
DISTRIBUTION BOX
F3310A
S408
INTERIOR LIGHT
SWITCH
5126.0-00 C
7
S826
LUGGAGE
COMPARTMENT
LIGHT SWITCH6320.0-00 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
30h
8
3
6330.3-00
6330.3-006320.0
1240.0-01
11
NOT USED
E800
FRONT LEFT
INTERIOR LIGHT 6330.3-00
6100.0 CENTRAL BODY ELECTRONICS (ZKE IV)







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Pin Assignments
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E = Input, A = Output, M = GroundA = X10182
18 Pins, black
B = X1325215 Pins, black
C = X1325326 Pins, yellow
D = X1325426 Pins, green
X10182
Pin Type Description/Function Connection
1
ECrash signalCrash control module
2ELight signalLight switch
3Not used
4EPower supplyFront power distribution box, fuse 43
5MGroundGround point
6Not used
7Not used
8Not used
9ADiagnosis RxD signalData link connector
10Not used
11E/ADiagnosis TxD signalData link connector
12EStart signalStarter
13Not used
14Not used
15ADrive-away protectionElectronic immobilizer control module
(EWS II)
16Not used
17Not used
18EPower supplyFront power distribution box







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Pin Assignments
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E = Input, A = Output, M = Ground
X13252
Pin Type Description/Function Connection
1
ACentral arrest signalLock motors
2AUnlock signalLock motors
3Not used
4AAutomatic interior light signalSide light switch
5Not used
6AVoltage supplyPower window motor, driver’s door
7AVoltage supplyPower window motor, passenger’s door
8EPower supplyFront power distribution box, fuse 14
9ALock signalLock motors
10EPower supplyFront power distribution box, fuse 35
11AConsumer cut-off signalNot used
12EPower supplyFront power distribution box, fuse 33
13EMotor signalPower window motor, driver’s door
14EMotor signalPower window motor, passenger’s door
15MGroundGround point
X13253
Pin Type Description/Function Connection
1
EUnlock signalDoor lock motor, driver’s door
2EUnlock signalDoor lock motor, passenger’s door
3EUnlock signalLuggage compartment lock motor
4EData signalAnti-theft system control module (Alpine)
5Not used
6Not used
7ECrash signalSupplemental restraint system control
module
8ERevolution signalPower window motor, driver’s door
9ERevolution signalPower window motor, passenger’s door
10Not used







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Pin Assignments
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11
Not used
12Not used
13ECentral arrest signalDoor lock switches
14ELock signal, driver’s doorDoor lock motor, driver’s door
15ELock signal, passenger’s doorDoor lock motor, passenger’s door
16ELock signal, luggage compartment lidLuggage compartment lock motor
17EData signalAnti-theft system control module (Alpine)
18Not used
19Not used
20Not used
21Not used
22Not used
23APlus supply (revolution)Power window’s motor, driver’s side
24AVoltage supply (revolution)Power window’s motor, passenger’s side
25Not used
26Not used
X13254
Pin Type Description/Function Connection
1
Not used
2EDoor signalDoor jamb switch, driver’s door
3EDoor signalDoor jamb switch, passenger’s door
4Not used
5Not used
6EOPEN signalPower window switch, driver’s door
7ECLOSE signalPower window switch, driver’s door
8EOPEN signalPower window switch, passenger’s door
9ECLOSE signalPower window switch, passenger’s door
10Not used
11Not used
12Not used







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Pin Assignments
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
13
Not used
14ELuggage compartment signalLuggage compartment light switch
15Not used
16Not used
17Not used
18Not used
19Not used
20Not used
21Not used
22Not used
23Not used
24Not used
25Not used
26Not used






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CENTRAL BODY ELECTRONICS (ZKE IV)
P90
FRONT POWER
DISTRIBUTION BOX
6
POWER
DISTRIBUTION
0670.2
12

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A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
GROUND
DISTRIBUTION
0670.4
+#$#)
F3310A
10
POWER
DISTRIBUTION
0670.2
10
F3525A
X10018
X13252
21519X13252
2.5 BL/
GR2.5 SW 2.5 WS
123X13254
.35 WS/
BR.5 WS/
GN/GE
131415
.35 WS/
SW.35 WS/
GR
16174
.5 GN/WS .5 BL/RT/
GE
3214
.75 BR/
GR/GE.75 BR/
WS
X13253
12
.5 SW/GE
2.5 GR/SW
1.5 BR/SW/GE
15
X10182
.5 SW/GN
9
.5 WS/GE
11.5 WS/VI
RXD TXD
DRIVE–AW AY
PROTECTION (EWS II)
6135.0 CRASH CONTROL
MODULE
6350.0 LIGHT SWITCH
DETAILS
6300.0 START
1240.0
ZKE CENTRAL
LOCKING (ZV)
5126.0ANTI–THEFT
SYSTEM (ALPINE)
6575.2LICENSE PLATE/
LUGGAGE
COMPARTMENT
LIGHTS
6320.0 .35 WS/
RT.5 WS/
BL.75 BR/BL/GE .35 WS/GNDATA LINK
0670.5
7
.35 BR/
SW
SUPPLEMENTAL
RESTRAINT
SYSTEM (AIR BAG)
3234.0