1999 BMW Z3M COUPE Electrical Troubleshooting Manual

X1186


5 X209S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4











1240.0 START
P90
FRONT POWER
DISTRIBUTION BOX POWER
DISTRIBUTION
0670.2 X0
X331 4 RT
4 RT
2.5 SW/GE
8 X33
P90
FRONT POWER
DISTRIBUTION BOX
X2
16 RTPOWER
DISTRIBUTION
0670.2
7
1
18 X20
GROUND
DISTRIBUTION
0670.4
2.5 GN/SW
FUSE DETAILS
0670.32
82
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
X1805
2.5 SW/GE 2.5 SW/GE
F315A


210
3
X1001830
3 X18994
S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH PEDAL
FULLY
DEPRESSED 2FUSE DETAILS
0670.3
12
F457.5A
1X18994

GROUND
DISTRIBUTION
0670.4 X1805
.35 BR/SW
3
M VERSIONS










2.5 SW/GE
M6510
STARTER
3050
30h
POWER
DISTRIBUTION
0670.2
25 RT
G6509
GENERATOR B+
1230.0X6509
X6510
16 RT
X6511
2.5 SW/GE
X6512

X6810
.5 SW/GE
.75 SW/GN
.75 SW/GN
X6420
15 X20
12 X10182A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)



5 X209S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4










START
.5 BR/SW16
5 X511
P90
FRONT POWER
DISTRIBUTION BOX
4 RT
L2S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
X511
7
2.5 SW/GE
8 X33
FUSE DETAILS
0670.3
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
7
1
GROUND
DISTRIBUTION
0670.4
2.5 GN/SW
FUSE DETAILS
0670.32
82
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
X1805
X10018
2.5 SW/GE
F315A


1 0
F285A
210
3
X1001830
3 X18994
S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH PEDAL
FULLY
DEPRESSED 2FUSE DETAILS
0670.3
12
F457.5A
1X18994

GROUND
DISTRIBUTION
0670.4 X1805
.35 BR/SW
3
X191
WITH EGS WITHOUT EGS
.5 BR/SW
F10650A
Z3 VERSIONS
G7512
B+ JUNCTION
POINT
X1981
X191
1 X33
POWER
DISTRIBUTION
0670.2X10017
.5 BR/SW










2.5 SW
M6510
STARTER
3050
30h
POWER
DISTRIBUTION
0670.2
25 RT
G6509
GENERATOR B+
1230.0X6509
X6510
16 RT
X6511
2.5 SW/GE
X6512

12 X10182A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
1 X6011
.5 SW/GE
A6000
ENGINE CONTROL
MODULE (DME)
X60004
2
X6000312 .75 SW/GN
30h
30h
X899772
NOT USED
X276
.5 SW/GE .5 SW/GE
G6430
B+ JUMP START
JUNCTION POINT
X6431
X643050 RT

1290.0 E–BOX FAN











X6821
4 RT/WS
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER S52)
1210.17


K6300
ENGINE CONTROL
MODULE RELAY
X6300
2
.5 RT/WS
GROUND
DISTRIBUTION
0670.4
X6454
M6506
E–BOX FAN X65062
X6506
1
M VERSIONS
X10017
12
GROUND
DISTRIBUTION
0670.4
X6454
M6506
E–BOX FAN X65061
X6506
2
Z3 VERSIONS
FUSE DETAILS
0670.3
F26 10AP90
FRONT POWER
DISTRIBUTION BOX






S30
BRAKE LIGHT
SWITCH
8
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
S8503
PROGRAM SWITCHA8500
TRANSMISSION
CONTROL MODULE
(EGS)
L1 L2 L3 L4
54
P98
FUSE HOLDER IN
E–BOX 2460.2-00
F285A
26
2460.2-03
36379
2460.2-08
F2610AP90
FRONT POWER
DISTRIBUTION BOX 2460.2-03
204513 2718
S8507
KICK–DOWN
SWITCH 2460.2-023428
&& & &
 

 



 








 





F4615AP90
FRONT POWER
DISTRIBUTION BOX 2460.0-04
10
Y8521
TRANSMISSION
VALVE UNIT
522 2460.2-01
AM2460.2-02
X8500
X8500
EGS
Y19
SHIFT–LOCK 2460.2-02
252
A4S 270R
G6400
B+ JUNCTION
POINT E–BOX2460.2-03
2460.2-02
5330334322114
N
S
42 15
A2w
INSTRUMENT
CLUSTER 2460.2-02
8886
F20430A
POWER
DISTRIBUTION
0670.2
85
A6000
ENGINE CONTROL
MODULE (DME) 2460.2-00TXD2
TXD2
D100
DATA LINK
CONNECTOR
A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.2-02
TXD2
2460.2 ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)




Pin Assignments






E = Input, A = Output, M = Ground
X8500
Pin Type Description/Function Connection
10
Not used
11MGroundShift-lock
12Not used
13ASolenoid valve 3 control (–)Transmission valve unit
14AHydraulic pressure regulator control (–)Transmission valve unit
15Not used
16Not used
17EGear range signal L2Automatic transmission range switch
18EGear range signal L4Automatic transmission range switch
19EBrake pedal positionBrake light switch
20Not used
21Not used
22EManual mode signalProgram switch
23EOutput speed (–)Transmission valve unit
24MGround for shieldShield for speed sensor
25Not used
26Not used
27EKick-down signalKick-down switch
28Not used
29EAutomatic mode signalProgram switch
30EOil temperature signal (–)Transmission valve unit
31EOil temperature signal (+)Transmission valve unit
32Not used
33Not used
34Not used
35EBattery voltageB+ junction point E-box
36AM-program indicationProgram switch
37MGroundGround point
38Not used
39ASolenoid valve 1 control (–)Transmission valve unit




Pin Assignments






E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
40
Not used
41ATorque converter clutch solenoid valve
control (–)Transmission valve unit
42ASolenoid valve 2 control (–)Transmission valve unit
43MGroundGround point
44Not used
45EGear range signal L1Automatic transmission range switch
46EGear range signal L3Automatic transmission range switch
47Not used
48Not used
49Not used
50Not used
51EOutput speed (+)Transmission valve unit
52Not used
53Not used
54AA-program indicationProgram switch
55Not used
56Not used
57Not used
58Not used
59Not used
60Not used
61AShift-lock solenoid controlShift-lock
62AVoltage solenoid valvesTransmission valve unit
63EVoltage supplyFuse 204
64Not used
65Not used
66Not used
67Not used
68Not used
69Not used
70Not used