light BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual






#""$
GROUND DISTRIBUTION
GROUND X13006

B17
RIGHT REAR
BRAKE PAD
SENSOR
 !""




E99
HARD TOP
CONNECTOR 11.5 BR
X7101
E44
RIGHT LICENSE
PLATE LIGHT
X380
1 X1102
X1625
X1624
X13007
.75 BR
2.5 BR 1.5 BR
4 BR .5 BR
X7131
X13006
0670.4-13
X7091
E43
LEFT LICENSE
PLATE LIGHT
.75 BRX711
2S826
LUGGAGE
COMPARTMENT
LIGHT SWITCH
X4131
H34
HIGH LEVEL STOP
LIGHT
.5 BR1.5 BR
E9
REAR DEFOGGER I
X13017
2
X12661
S164
CONVERTIBLE TOP
END–POSITION
MICRO SWITCH
X11209
2
2.5 SW
X9824
2.5 BR
2.5 BR
X11209
2
WITHOUT HARD
TOP PROVISIONS WITH HARD TOP
PROVISIONS
S164
CONVERTIBLE TOP
END–POSITION
MICRO SWITCH
X10299
2
.5 BR
2.5 BR
.5 BRX352
1S14
DRIVER’S DOOR
JAMB SWITCH
.5 BR
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
X2751
2 BR
X99917K920
DRIVER’S SEAT
TILT ADJUST CUT–
OFF RELAY
X9993
K921
DRIVER’S SEAT
LENGTH ADJUST
CUT–OFF RELAY
2X9991
1.5 BR
X99902S910
DRIVER’S SEAT
LIMIT SWITCH
.5 BR
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
2 BR
WITH SPORT SEAT WITHOUT SPORT
SEAT
2.5 BR 1.5 BR
2 BR
1.5 BR
2.5 BR
2.5 BR
X114032
X114022
.75 BR .75 BR
M ROADSTER

X22272
.5 BR
.5 BR






GROUND DISTRIBUTION
GROUND X18170
 !""




#""$


.5 BR
X400
X1608
.5 BR
1.5 BR 1.5 BR
.5 BR1E58
PASSENGER’S
SEAT HEATER
S6
ASC SWITCH S4
HORN SWITCH
8
X321
X521
4
X1617
.75 BR
S76
REAR WINDOW
DEFOGGER
SWITCH
X7403E59
PASSENGER’S
SEATBACK
HEATER
.5 BR
X898
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
X16597
.5 BR.75 BR 2 TELEPHONE
CONNECTOR
X7333E56
DRIVER’S SEAT-
BACK HEATER1E57
DRIVER’S SEAT
HEATER
4
.5 BR
.5 BR .5 BR
1.5 BR.5 BRX532
2
H10
CHIME MODULE
3
X5221
X1213
1
X13047
.5 BR
A110
DIGITAL CLOCK
X5163S18
HAZARD SWITCH X10263
S8
LIGHT SWITCH
X183332
E29
FRONT CIGAR
LIGHTER LIGHT
E25
FRONT ASHTRAY
LIGHT
X1226
1 BR.5 BR
X10013
.5 BR
X1098
2
.5 BR .5 BR
B1
RIGHT FRONT
SPEED SENSOR –
ABS
X1133
.5 BR
4–CYLINDER
X130451S143
CONVERTIBLE TOP
ACTUATING
SWITCH
.5 BR
Z3 ROADSTER
M ROADSTER
1
E96
GEAR SHIFT
LEVER INDICA-
TOR
X1439M ROADSTER
.5 BR
S7
COMBINATION
SWITCH
.5 BR

4
.5 BR
 !""




#""$
.5 BR
4 BR
X11355
1.5 BR
.5 BR
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
1
X6514
X10064
.5 BR
X6584S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT
X1193
.5 BR
S20w
RADIO ANTI–
THEFT SWITCH
X5391
.5 BR
X3901
X195275
H8
RIGHT FRONT
AUXILIARY TURN
LIGHT
4 BR
X1325215A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
S8503
PROGRAM
SWITCH
X85032
.5 BR
X181701.5 BR 1.5 BR .5 BR
4
D110
OBD II
CONNECTOR
S30
BRAKE LIGHT
SWITCH
X784
.5 BR
.5 BR
2
S559
PASSENGER’S AIR
BAG CUT–OFF
SWITCH
X19565
LATE PRODUCTION
B2
LEFT FRONT
SPEED SENSOR –
ABS
X1143
X1133
.5 SW
.5 BRX96475
.5 SW
B1
RIGHT FRONT
SPEED SENSOR –
ABS
Z3 ROADSTER
6–CYLINDER
LATE PRODUCTION
X1618
1.5 BR1.5 BR
B2
LEFT FRONT
SPEED SENSOR –
ABS
X1143
X1133
.5 SW
.5 BRX13304.5 SW
B1
RIGHT FRONT
SPEED SENSOR –
ABS
B1
RIGHT FRONT
SPEED
SENSOR –
ABS
X1133
.5 BR
.5 BRM ROADSTER
WITH ASCM ROADSTER
WITH ABS

 !""

#""$
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)

 !""

#""$
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



#""$
Pin Assignments (4-Cylinder)
 !""





E = Input, A = Output, M = Ground
X8500
Pin Type Description/Function Connection
265
Not used
266AShift-lock solenoid controlShift-lock
267Not used
268ASolenoid valve 3 control (–)Transmission valve unit
269AHydraulic pressure regulator control (–)Transmission valve unit
270MGroundGround point
271Not used
272EGear range signal L2Automatic transmission range switch
273EGear range signal L4Automatic transmission range switch
274EBrake pedal positionBrake light switch
275Not used
276ESport mode signalNot used
277EManual mode signalProgram switch
278EOutput speed (–)Transmission valve unit
279MGround for shieldShield for speed sensor
280Not used
281AS-program indicationNot used
282EKick-down signalKick-down switch
283Not used
284EAutomatic mode signalProgram switch
285EOil temperature signal (–)Transmission valve unit
286EOil temperature signal (+)Transmission valve unit
287Not used
288Not used
289AFault indicator signalInstrument cluster
290EBattery voltageB+ jump start junction point
291AM-program indicationProgram switch
292MGroundGround point
293Not used
294ASolenoid valve 1 control (–)Transmission valve unit



#""$
Pin Assignments (4-Cylinder)
 !""





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
295
Not used
296ATorque converter clutch solenoid valve
control (–)Transmission valve unit
297ASolenoid valve 2 control (–)Transmission valve unit
298MGroundGround point
299Not used
300EGear range signal L1Automatic transmission range switch
301EGear range signal L3Automatic transmission range switch
302Not used
303Not used
304ERPM speed signal TDEngine control module
305Not used
306EOutput speed (+)Transmission valve unit
307Not used
308Not used
309AA-program indicationProgram switch
310EA/C compressor-ON-signalEngine control module
311Not used
312EBrake switch test signalBrake light switch
313Not used
314Not used
315Not used
316AVoltage supplyShift-lock/Transmission valve unit
317EVoltage pressure regulatorTransmission valve unit
318EVoltage supply, terminal 87Engine control module relay
319EVoltage supply, terminal 87Engine control module relay
320Not used
321Not used
322Not used
323Not used
324Not used
325Not used






SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH
 !""



#""$


ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
15
5V (15)
15
25
48 2 34 28 18 X8500
X85071X69
17 25X16
5A2w
INSTRUMENT
CLUSTER
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
S8507
KICK–DOWN
SWITCH
1) NORMAL
2) ACCELERATOR
PEDAL FULLY
DEPRESSED GROUND
DISTRIBUTION
0670.4 .5 GR/BR
.5 GR/BR
.5 BR/VI.5 VI.75 GR/GE
.75 SWAUSF
16 15 X69
X1001832F46
15AP90
FRONT POWER
DISTRIBUTION BOX
X6912
X850010
.5 BL/RT .75 BL/RT
BRAKE LIGHTS
6325.0X181
1.5 BL/RT
X783
S30
BRAKE LIGHT
SWITCH
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL) .5 BR/GR
X784
GROUND
DISTRIBUTION
0670.4
2 1 X1178
.5 BR/VI .5 VI
Y19
SHIFT–LOCK
FUSE DETAILS
0670.3
4 3
1 2
–31
X18170
X781
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
X782
1 2
88 .5 WS/VI/GE
TXD
DATA LINK
0670.5
GROUND
DISTRIBUTION
0670.4
X6454
52
6–CYLINDER
X6911.5 BR/GR
194X1171
6A52
SLIP CONTROL
MODULE
(ABS/ASC)
.5 WS/GN/GE
.5 WS/GN/GE