light BMW Z3M COUPE 1999 E36 Electrical Troubleshooting Manual



SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH










ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
5V (15)
234 2818 X8500
X85071X6031
5
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
S8507
KICK–DOWN
SWITCH
1) NORMAL
2) ACCELERATOR
PEDAL FULLY
DEPRESSED GROUND
DISTRIBUTION
0670.4 .5 SW/VI.5 BR/VI.5 BL/GN
15 14 X6031
X1001832F46
15AP90
FRONT POWER
DISTRIBUTION BOX
X60312
X850010.35 BL/RT.5 BL/RT
BRAKE LIGHTS
6325.0X181
1.5 BL/RT
2 1 X1178
Y19
SHIFT–LOCKFUSE DETAILS
0670.3
1 2
–
X781
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
X782
1 2
88 .5 WS/VI
TXD2
GROUND
DISTRIBUTION
0670.4
X6454
52
6A6000
ENGINE CONTROL
MODULE (DME)
32
TXD2 TXD2
X600217 D100
DATA LINK
CONNECTOR
.5 BL/GN
.5 SW/VI .5 BR/VI .5 WS/VI
85 .35 WS/VI
X600023
86 .35 GE
4
CAN – CAN +CAN – CAN +
36
6
.5 GE
X6000437X16
7
.5 BR
CAN – CAN +
A2w
INSTRUMENT
CLUSTER
11 X1170
10
.5 BR
CAN – CAN +A52
SLIP CONTROL
MODULE
(ABS/ASC)
.5 GE
X1893
X1894
.5 GE .5 BR
CAN – CAN +

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)









P90
FRONT POWER
DISTRIBUTION BOX
L4 L3 L2 L1
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 9 37 8 36 X8500
86 74
.35 BR/
WS.35 BL/
WS.35 BR/
SW.35 BL/
SW
X5113S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
2) CLOSED IN RE-
VERSE
2 X5115
L4 L3 L2 L1
R
E16
LEFT REAR LIGHT
ASSEMBLY
5 X319
6
4 13 X603133 X1805A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
.5 BR/WS .5 BL/WS .5 BR/SW .5 BL/SW.5 BR/SWFUSE DETAILS
0670.3
L1 L2 L3 L4
P
R
N
D
3
2
11 101
1 000
1 110
0 001
0 011
1 011
0 010
H27
LEFT BACK UP
LIGHT
16X1001712
X1169
1 BL/GEFUSE DETAILS
0670.3
1 BL/GE
L2
.5 BR/SW


F285AF2610A
1 00101012 0
31313131
X191
2 X18994
.35 BR/SW
NOT USEDA6000
ENGINE CONTROL
MODULE (DME)
X6000419
.5 BL/GE
3 X6021
.75 BL/GE
NOT USED





3
3450.1-013450.1-02
3450.1-00
Y1
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K94
ENGINE CONTROL
RELAY (ABS/ASC)
A52
SLIP CONTROL
MODULE
(ABS/ASC)
48 X1175
TXD 46
2619302
S30
BRAKE LIGHT
SWITCH F49
50AF4615A
55
3450.1-03
53
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS) 3450.1-022339 43
R31
AUXILIARY
THROTTLE
POSITION SENSOR 3450.1-02 67
10 36
B2
LEFT FRONT
SPEED SENSOR –
ABS 3450.1-0412 13
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0414 15
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3450.1-0411 38
B3
RIGHT REAR
SPEED SENSOR –
ABS 3450.1-0488778118
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-08
76
3354275225634493151
F1030AF135A
S6
ASC SWITCH 3450.1-03
44
LIGHT SWITCH
DETAILS
6300.0
3450.1-03
58g
X1175
2035
3450.1-06
29 X117528
S31
PARK BRAKE
SWITCH 3450.1-02
P95
AUXILIARY FUSE
BOX
F3830A
P90
FRONT POWER
DISTRIBUTION BOX
3450.1-02
A2w
INSTRUMENT
CLUSTER
M VERSIONS
37
!
7124
G6509
GENERATOR
F275A
K95
VALVE RELAY
(ABS/ASC) 3450.1-00
3450.1-00
1230.0 D +
3450.1 SLIP CONTROL (ABS/ASC)





F215A
3450.1-06P90
FRONT POWER
DISTRIBUTION BOX
A52
SLIP CONTROL
MODULE
(ABS/ASC)
13 X1170
8 X1170
TXD 7
!
F275A
A2w
INSTRUMENT
CLUSTER
S30
BRAKE LIGHT
SWITCH F10
30AF4615A
3450.1-05
3450.1-05
12
B2
LEFT FRONT
SPEED SENSOR –
ABS 3450.1-075 6
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0719 20
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3450.1-0723 22
B3
RIGHT REAR
SPEED SENSOR –
ABS 3450.1-07211110
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-06A2w
INSTRUMENT
CLUSTER 3450.1-06
9
F215A
S6
ASC SWITCH 3450.1-06
14
LIGHT SWITCH
DETAILS
6300.0
1643450.1-05
58g
X1170
Z3 VERSIONS
24
F3830A
25
SLIP CONTROL (ABS/ASC)



Pin Assignments







E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
81
AASC lamp controlInstrument cluster
82Not used
83ALeft front outlet valveABS hydraulic unit
84ARight rear outlet valveABS hydraulic unit
85ARight rear speed signalEngine control module (DME)
86ESpeed signalABS speed sensor front left
87AActivate relayValve relay
88MSensor groundABS speed sensor rear right
89AThrottle position sensor (–)Auxiliary throttle position sensor
90Not used
91Not used
92Not used
93AThrottle position sensor (+)Auxiliary throttle position sensor
94EASC-ON-signalASC switch
95Not used
96E/ATXD signalDiagnostic link
97Not used
98EBrake signalBrake light switch
99AChangeover valve (ASC)ABS hydraulic unit
100Not used
101EVoltage supplyFuse 10
102ALeft rear inlet valveABS hydraulic unit
103AADS step motor (–)ADS step motor
104ARight front inlet valveABS hydraulic unit
105MGroundGround point
106Not used
107Not used
108Not used
109Not used
11 0Not used
111Not used
11 2Not used



Pin Assignments





E = Input, A = Output, M = Ground
X1170
Pin Type Signal Description/Function Connection
1
MVL–Sensor groundLeft front speed sensor (ABS)
2EVL+Speed signalLeft front speed sensor (ABS)
3Not used
4E15A21Voltage supplyFuse 21
5MHL–Sensor groundLeft rear speed sensor (ABS)
6EHL+Speed signalLeft rear speed sensor (ABS)
7E/ATXDTXD signalDiagnostic link
8M31LGroundGround point
9E30<10Voltage supplyFuse 10
10E/ACAN–CAN bus lowInstrument cluster/engine control
module
11E/ACAN+CAN bus highInstrument cluster/engine control
module
12Not used
13E54Brake signalBrake light switch
14EASCSASC-ON-signalASC switch
15Not used
16AWLASWarning lampInstrument cluster
17Not used
18Not used
19MVR–Sensor groundRight front speed sensor (ABS)
20EVR+Speed signalRight front speed sensor (ABS)
21ADFAHRRight rear speed signalEngine control module (DME)
22EHR+Speed signalRight rear speed sensor (ABS)
23MHR–Sensor groundRight rear speed sensor (ABS)
24M31LGroundGround point
25E30<38Voltage supplyFuse 38



SLIP CONTROL (ABS/ASC)








21 32 X10018
1 X78
X181
1.5 BL/RT
6 X10016
2 X78
48
BRAKE LIGHTS
6325.0
.75 BL/RTS30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
F4615AF135A
FUSE DETAILS
0670.3
1881
8280
7788
8145
.75 WS/GN .75 SW/RT .75 SW/BR .75 SW/GN
9 10 X603111 1 2
3520
1536
.5 BR/RT.35 SW
220
X8015
X1175
X6000
X20
2
11 X2227
.5 GN/BL/GE4 X2227
44S6
ASC SWITCH
1) OPEN
2) MOMENTARILY
CLOSED24
CHARGING
SYSTEM
1230.0
3
LIGHT SWITCH
DETAILS
6300.0
2
GROUND
DISTRIBUTION
0670.4

.75 BL.5 GR/RT
X1175
A52
SLIP CONTROL
MODULE
(ABS/ASC)
.75 WS/GN .75 SW/RT .75 SW/BR .75 SW/GN.5 BR/RT.5 SW
INSTRUMENT
CLUSTER
6211.0
.5 SW
.5 SW.5 SW
A6000
ENGINE CONTROL
MODULE (DME) TD TD
D100
DATA LINK
CONNECTOR
X6002
1
X1047
M VERSIONS



SLIP CONTROL (ABS/ASC)








!
32X10018
1 X78
.5 GR/SW/GEX181
1.5 BL/RT
216X1001814X1001720X10015
212 X78
9 X1170
23 X16
13
BRAKE LIGHTS
6325.0
41625
.75 BL/RT
A52
SLIP CONTROL
MODULE
(ABS/ASC) S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
A2w
INSTRUMENT
CLUSTERP90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
F4615AF215AF3830A F275AF1030A
X17
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3FUSE DETAILS
0670.3
X170
GROUND
DISTRIBUTION
0670.4
24
8 X11707
DATA LINK
0670.5 .5 WS/VITXD
Z3 VERSIONS
1 2













SLIP CONTROL (ABS/ASC)
6P90
FRONT POWER
DISTRIBUTION BOX
.5 GR/RT
S6
ASC SWITCH
1) OPEN
2) MOMENTARILY
CLOSED
10
A52
SLIP CONTROL
MODULE
(ABS/ASC)X521
4 5
X18170
14 X1170
FUSE DETAILS
0670.3
2 X521
LIGHT SWITCH
DETAILS
6300.058g
GROUND
DISTRIBUTION
0670.4 .5 BL/VI
F215A
11 .5 GE
A2w
INSTRUMENT
CLUSTER
67X16
A6000
ENGINE CONTROL
MODULE (DME)
3736
.5 BR.5 GE .5 GE.5 BR22
X60004
X1893
X1894
21
2X10017
CAN - CAN +
.5 WS/GN
Z3 VERSIONS
CAN - CAN + CAN + CAN -
.5 BR
12











3614.0 TIRE INFLATION SYSTEM
E28a
CIGAR LIGHTER
CONNECTION
86 X6394
X63942
K6394
COMPRESSOR
RELAY
2.5 SW
X12552
M805
ELECTRICAL
COMPRESSOR 2.5 SW
41 RT/WS
4 .5 WS
X125512.5 BL
1
1 BR/RT
3.5 WS
X3206
1 0
1
X3940
E28a
CIGAR LIGHTER
CONNECTION – +
1 X3040
2.5 RT 1 RT 2.5 RT
X693S232
COMPRESSOR
MAIN SWITCH
0) OFF
1) ON
X3158
1 BR
2.5 BR 2.5 BR
X3040
2
M VERSIONS