1999 BMW Z3M COUPE Electrical Troubleshooting Manual





Pin Assignments





E = Input, A = Output, M = GroundF = X10182
18 Pins, black
G = X1325215 Pins, black
H = X1325326 Pins, yellow
I = 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 III)
16Not used
17Not used
18EPower supplyFront power distribution box





Pin Assignments





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 signalInterior light
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
(Z3 Versions and M Roadster)
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





Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
10
Not used
11Not 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
(Z3 Versions and M Roadster)
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





Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11
Not used
12Not used
13Not 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















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


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–AWAY PROTEC-
TION (EWS III)
6135.1 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














CENTRAL BODY ELECTRONICS (ZKE IV)
P90
FRONT POWER
DISTRIBUTION BOX
POWER
DISTRIBUTION
0670.2
18


A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
GROUND
DISTRIBUTION
0670.4




26
FUSE DETAILS
0670.3
4
F435A
X10018
X10182
56713X132531478992324X13254
ZKE POWER
WINDOWS (FH)
5133.08
FUSE DETAILS
0670.3
8
F1430A
X10016
POWER
DISTRIBUTION
0670.2
X13252
68



X101824
INTERIOR LIGHTS
6330.3 .75 BR/SW 2.5 VI/WS 1.5 BL/
GN2.5 SW/
WS1.5 GE/
GN.35 VI/WS .35 SW/
WS.35 WS/
GN.35 BL/GN .35 SW/GR .35 GE/
GR.35 SW .35 GE/
SW11
X13252
.75 VI/SW
.5 VI/SW3 X275
3 X279
.5 VI/SW
NOT USED
X10189
4
FUSE DETAILS
0670.3
F210A
X10015
M VERSIONS Z3 VERSIONS













6133.0 HORN
P90
FRONT POWER
DISTRIBUTION BOX
X10015
16
FUSE DETAILS
0670.3
6
2.5 VI
2
2.5 VI
X223
POWER
DISTRIBUTION
0670.2 1.5 VI
8 X56
30
2
1 VI/BL
1 VI/BL
2
H2
LEFT HORN
11 VI/BL
2
1 X10021
H3
RIGHT HORN
86
85
.5 BR/RT
.5 BR/RT
1 X29
4 X56
11 X32

K2
HORN RELAY
S4
HORN SWITCH S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X33
X132
X132
X133
X133
2 X209
87
GROUND
DISTRIBUTION
0670.4
1 X32GROUND
DISTRIBUTION
0670.4 .75 BR
X10013
GROUND
DISTRIBUTION
0670.4
X888
.5 VI




F815A
2
10
3
R
P90
FRONT POWER
DISTRIBUTION BOX
X18018
26
FUSE DETAILS
0670.3
F435A
M VERSIONS Z3 VERSIONS








 




2
3P90
FRONT POWER
DISTRIBUTION BOX11 2S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START8
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) X1805
10
X2094
8 X33
2.5 SW/GE
X18057
2.5 SW/GE
.5 WS
X331
4 RT
POWER
DISTRIBUTION
0670.2
5030
X2
2.5 GN/SW .5 BL
6135.1 DRIVE–AWAY PROTECTION (EWS III)
X2095
FUSE DETAILS
0670.3POWER
DISTRIBUTION
0670.2
F315A
2
10
3
X10018
X189943 30
X18994
2S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH PEDAL
FULLY
DEPRESSED
F457.5A
2 1
1
X9633
GROUND
DISTRIBUTION
0670.4
POWER
DISTRIBUTION
0670.2
31
L1
EWS TOROIDAL
COIL
X1764
9
M VERSIONS