BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual






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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
K6304
SECONDARY AIR
PUMP RELAY
G6430
B+ JUMP START
JUNCTION POINT
+$(#+( '
9 .5 RT/WS
X6031
NOT USED
GROUND
DISTRIBUTION
0670.4 2 X6263
1 X6263
2 X6163
1 X6163
.5 RT/WS .5 RT/WS
.5 GE/RT
66
Y6263
FUEL CHANGE-
OVER VALVEY6163
SECONDARY AIR
PUMP VALVE
.5 BR/WS82
465 X6304
X6304
POWER
DISTRIBUTION
0670.2
X6821
(PARTIAL)
.5 RT/WSPOWER
DISTRIBUTION
0670.2
.5 BR/WS
.5 BR/WSX6891
4 RT/GE
2 X6133
1 X6133
A6000
ENGINE CONTROL
MODULE (DME) X6000
644 BRY6133
AIR PUMP
1210.20-00
X6433

1230.0 CHARGING SYSTEM !""



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1.5 BL
G6509
GENERATORB+
D+
A2w
INSTRUMENT
CLUSTER X175
X176S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X2091
7 X33
POWER
DISTRIBUTION
0670.2X203
2.5 GN
2.5 GN
.5 GN
.5 BL
X600212
D100
DATA LINK
CONNECTOR .5 BL
X2025
.5 BL
X400
3
POWER
DISTRIBUTION
0670.2
X7509
X6509
.75 BL 10 RT
X213
X8004
.5 BL






X1100
1.5 GN
X60919
1.5 BL
TELEPHONE
CONNECTOR
2
10
3
&#
&# &#
G6509
GENERATORB+
D+
POWER
DISTRIBUTION
0670.2
X6509
16 RT
&#
&# &#
F2610A
6–CYLINDER4–CYLINDER
X1001712
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
X6524
2
X65241


Z3 ROADSTER

CHARGING SYSTEM !""



#""$


A2w
INSTRUMENT
CLUSTER X175
X176S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X2091
7 X33
POWER
DISTRIBUTION
0670.2X203
2.5 GN
2.5 GN
.5 GN
.5 BL
X600212
D100
DATA LINK
CONNECTOR .5 BL
X2025
.5 BL
X400
3
.75 BL
X213
X8004
.5 BL






X1100
1.5 GN
1.5 BL
TELEPHONE
CONNECTOR
2
10
3
G6509
GENERATORB+
D+
POWER
DISTRIBUTION
0670.2
X6509
16 RT
&#
&# &#
X7509


A52
SLIP CONTROL
MODULE
(ABS/ASC) X117524
.75 BL
M ROADSTER

X1186






5 X209S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4
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1240.0 START
.5 BR/SW16
5 X511
P90
FRONT POWER
DISTRIBUTION BOX POWER
DISTRIBUTION
0670.2 X0
X331 4 RT
4 RT
L2S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
X511
7
2.5 SW/GE
8 X33
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3 X2
16 RT
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2 POWER
DISTRIBUTION
0670.2
1
7
18 X20GROUND
DISTRIBUTION
0670.4
2.5 GN/SW
FUSE DETAILS
0670.3
2
35
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
X1659
X10018
2.5 SW/GE 2.5 SW/GE
F315A
+#$#)
1 0
F285A
210
3
X1001730
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 X1659
.35 BR/SW
9
X191
WITH EGS WITHOUT EGS
.5 BR/SW

6–CYLINDER16 RT
 !""



#""$


2.5 SW/GE
M6510
STARTER
3050
30h
POWER
DISTRIBUTION
0670.2
25 RT
G6509
GENERATOR B+
1230.0X6509
X6510
10 RT
X6511
2.5 SW/GE 2.5 SW/GE
X6512
6–CYLINDER 4–CYLINDER 2.5 SW/GE
2.5 SW/GE
&#&#26 X6091
2.5 SW/GE
X6810
.5 SW/GE
.75 SW/GN .5 SW/GN
6–CYLINDER 4–CYLINDER
.5 SW/GN25 X6091
.75 SW/GN
X6420
15 X20
12 X10182A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)

1290.0 E–BOX FAN !""




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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 ROADSTER

 !""

#""$
S30
BRAKE LIGHT
SWITCH
8
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
S8503
PROGRAM SWITCHA8500
TRANSMISSION
CONTROL MODULE
(EGS)
L1 L2 L3 L4
54
87
K6300
ENGINE CONTROL
MODULE RELAY 2460.2-00
F285A
26
2460.2-03
36379
TXD
X850088
2460.2-08
48
F2610AP90
FRONT POWER
DISTRIBUTION BOX 2460.2-03
204513 2718
S8507
KICK–DOWN
SWITCH 2460.2-023428
#% & 
# ##
# 
# ##
 *#
 &##
# %##
 ##
F4615AP90
FRONT POWER
DISTRIBUTION BOX 2460.0-08
10
Y8521
TRANSMISSION
VALVE UNIT
522 2460.2-01
AM2460.2-02
X8500
X8500
EGS
Y19
SHIFT–LOCK 2460.2-02
252
A4S 270R
G6430
B+ JUMP START
JUNCTION POINT0670.2
6–CYLINDER
2460.2-02
5330334322114
N
S
42 15
A6000
ENGINE CONTROL
MODULE (DME) 2460.2-00
85868283
A2w
INSTRUMENT
CLUSTER 2460.2-02
25
A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.2-02
19
2460.2 ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)

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#""$
S30
BRAKE LIGHT
SWITCH
8
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
S8503
PROGRAM SWITCHA8500
TRANSMISSION
CONTROL MODULE
(EGS)
L1 L2 L3 L4
54
87
K6300
ENGINE CONTROL
MODULE RELAY 2460.2-04
F285A
26
2460.2-07
36379
TXD
X850088
2460.2-08
48
F2610AP90
FRONT POWER
DISTRIBUTION BOX 2460.2-07
204513 2718
S8507
KICK–DOWN
SWITCH 2460.2-063428
#% & 
# ##
# 
# ##
 *#
 &##
# %##
 ##
F4615AP90
FRONT POWER
DISTRIBUTION BOX 2460.0-08
10
Y8505y
TRANSMISSION
VALVE UNIT
522 2460.2-05
AM2460.2-06
X8500
X8500
EGSA4S 270R
G6430
B+ JUMP START
JUNCTION POINT0670.2
4–CYLINDER
2460.2-06
5330334322114
N
S
42 15
A6000
ENGINE CONTROL
MODULE (DME) 2460.2-04
85868283
A2w
INSTRUMENT
CLUSTER 2460.2-06
25
5552
Y19
SHIFT–LOCK 2460.2-05
2
4046
A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.2-04
12 17
NOT USED
6
ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)



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Pin Assignments (6-Cylinder)
 !""





E = Input, A = Output, M = Ground
X8500
Pin Type Description/Function Connection
177
Not used
178MGroundShift-lock
179Not used
180ASolenoid valve 3 control (–)Transmission valve unit
181AHydraulic pressure regulator control (–)Transmission valve unit
182Not used
183Not used
184EGear range signal L2Automatic transmission range switch
185EGear range signal L4Automatic transmission range switch
186EBrake pedal positionBrake light switch
187Not used
188Not used
189EManual mode signalProgram switch
190EOutput speed (–)Transmission valve unit
191MGround for shieldShield for speed sensor
192Not used
193Not used
194EKick-down signalKick-down switch
195EASC signalSlip control module
196EAutomatic mode signalProgram switch
197EOil temperature signal (–)Transmission valve unit
198EOil temperature signal (+)Transmission valve unit
199Not used
200Not used
201AFault indicator signalInstrument cluster
202EBattery voltageB+ jump start junction point
203AM-program indicationProgram switch
204MGroundGround point
205Not used
206ASolenoid valve 1 control (–)Transmission valve unit



#""$
Pin Assignments (6-Cylinder)
 !""





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
207
Not used
208ATorque converter clutch solenoid valve
control (–)Transmission valve unit
209ASolenoid valve 2 control (–)Transmission valve unit
210MGroundGround point
211Not used
212EGear range signal L1Automatic transmission range switch
213EGear range signal L3Automatic transmission range switch
214Not used
215Not used
216Not used
217Not used
218EOutput speed (+)Transmission valve unit
219Not used
220Not used
221AA-program indicationProgram switch
222Not used
223Not used
224EBrake switch test signalBrake light switch
225Not used
226Not used
227Not used
228AShift-lock solenoid controlShift-lock
229AVoltage solenoid valvesTransmission valve unit
230EVoltage supply terminal 87Engine control module relay
231Not used
232Not used
233Not used
234Not used
235Not used
236Not used
237Not used