brake BMW Z3M COUPE 1999 E36 Electrical Troubleshooting Manual



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 = GroundPin ConnectionDescription/Function Type
11 3
Not used
11 4Not used
11 5Not used
11 6Not used
11 7EASC throttle flap signalAuxiliary throttle position sensor
11 8Not used
11 9Not used
120Not used
121Not used
122Not used
123Not used
124Not used
125Not used
126ESignal park brake setPark brake switch
127EEngine signal 3Engine control module (DME)
128Not used
129Not used
130Not used
131EEngine signal 2Engine control module (DME)
132Not used
133Not used
134Not used
135Not used
136Not used
137Not used
138EThrottle flap positionEngine control module (DME)



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)








A52
SLIP CONTROL
MODULE
(ABS/ASC)
R31
AUXILIARY
THROTTLE
POSITION SENSOR 1 X10239
2
X102393
A52
SLIP CONTROL
MODULE
(ABS/ASC)
39 X117531
12X1175
43 67
.5 WS/RT .5 WS/BL
.5 BL/BR.5 WS/BR
76 30
11
.35 GR/SW/GE


23
2.5 SW/GN/GE
53
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS) 1 X8533
X85332
!
14 X10017
F275A
FUSE DETAILS
0670.3
23 X16
P90
FRONT POWER
DISTRIBUTION BOX
X1617
.5 BR/GN
S31
PARK BRAKE
SWITCH
1) BRAKE SET
2) BRAKE NOT SET X423
1
2 1
+
–
.5 BR/GN .5 BR/GNX1682
A2w
INSTRUMENT
CLUSTER
2.5 SW/BR/GE
PARK
BRAKE
M VERSIONS
X1721

GROUND
DISTRIBUTION
0670.4
31



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













5430.2 ELECTRO–HYDRAULIC CONVERTIBLE TOP
X100152
FUSE DETAILS
0670.3
X1001832
FUSE DETAILS
0670.3
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
1 X78
2.5 RT/GE
F130AF4615A
1.5 BL/RT
1 2
X78
2
X181
4 X13146
4X1836365
2 X183638
.5 BL/RT
X1215
8 X18364
P90
FRONT POWER
DISTRIBUTION BOX
BRAKE LIGHTS
6325.0
.5 BL/RT
.5 BL/RT
K18364
CONVERTIBLE TOP
RELAY II (OPEN) 2
M101
CONVERTIBLE TOP
MOTORX18364
46
K18363
CONVERTIBLE TOP
RELAY I (CLOSE)
5


GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 .5 BR/GE
2 X231461
2.5 RT/GE
2.5 SW/GE .5 BL/RT
2.5 SW/BL.5 BR/RT

614






A4
F235A
K16
HAZARD FLASHER
RELAY S7
COMBINATION
SWITCH
F315A
P90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER F27
5A
1
B10
VEHICLE SPEED
SENSOR 6211.0-02G6509
GENERATOR D+ C
F4615A
22231616312.034
A35y
BOARD
COMPUTER
(BC – LOW) 6211.0-00
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) A18
HIFI AMPLIFIER
6211.0-00 6211.0-00
A51
WIPER/WASHER
MODULE 6211.0-00 6211.0-00
2
B6y
FUEL SENSOR 6211.0-02
3417
S31
PARK BRAKE
SWITCH 6211.0-0418
B18
BRAKE FLUID
LEVEL SWITCH 6211.0-009
H10
CHIME MODULE 6211.0-0019
B17
RIGHT REAR
BRAKE PAD
SENSOR B16
LEFT FRONT
BRAKE PAD
SENSOR
243
1230.0A
6211.0-01 6211.0-01A
A= X16B= X17C= X271
S14
DRIVER’S DOOR
JAMB SWITCH
23
6211.0-01
S2
IGNITION SWITCH 6211.0-01
22B
S58
DRIVER’S SEAT
BELT SWITCH 6211.0-01
21
A
14B
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE 6211.0-00
12
A52
SLIP CONTROL
MODULE
(ABS/ASC)
6313.0-03
S8
LIGHT SWITCH
6300.0
11
A
12
TXD
B
5
S2
IGNITION SWITCH 6211.0-04
15
B
13
2016A6000
ENGINE CONTROL
MODULE (DME) 6211.0-03215
F1515A
8
K16
HAZARD FLASHER
RELAY 6313.0-03
1S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY 6211.0-086S221
EVAPORATOR
CONTROLLER 6450.6-01
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE 6211.0-06
97
K21
NORMAL SPEED
RELAY 6450.6-03
A35y
BOARD
COMPUTER
(BC – LOW) 6211.0-08
2525 A13
18
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR 6211.0-0317
B6231
OIL PRESSURE
SWITCH 6211.0-03
19
A52
SLIP CONTROL
MODULE
(ABS/ASC)
2176
A6000
ENGINE CONTROL
MODULE (DME)
1920
11
RXD
N9
RADIO
D100
DATA LINK
CONNECTORM VERSIONSZ3 VERSIONS
NSWP90
FRONT POWER
DISTRIBUTION BOX
6211.0-04
M VERSIONSZ3 VERSIONS B
ABCB
BABAB
HARMAN KARDON
SOUND SYSTEM
6312.0
6211.0-086211.0-076211.0-07
6211.0 INSTRUMENT CLUSTER




Pin Assignments





E = Input, A = Output, M = Ground
X16
Pin Type Description/Function Connection
1
EHigh beam indicator controlCombination switch
2ETerminal 58g, instrument illumination powerLight switch (dimmer)
3ERight turn signal indicator controlHazard flasher relay
4ELeft turn signal indicator controlHazard flasher relay
5Not used
6E/ACAN bus highEngine/slip control module (Z3 Versions)
7E/ACAN bus lowEngine/slip control module (Z3 Versions)
8Not used
9Not used
10Not used
11ADiagnosis RXD signalData link connector (M Versions)
12E/ADiagnosis TXD signalData link connector
13E/ACAN jumperInstrument cluster (Z3 Versions)
14EAirbag warning lamp (SRS) controlSupplemental restraint system control
module
15Not used
16E“Check engine” indicator controlEngine control module (DME) (M Versions)
17EPark brake warning lamp controlPark brake switch
18EBrake fluid warning lamp controlBrake fluid level switch
19EBrake pad wear warning lamp controlBrake pad sensors
20ECrankshaft RPM speed signal TDEngine control module (DME)
21Not used
22EVoltage supply, terminal 30Front power distribution box, fuse 31
23EVoltage supply, terminal 15 for indicator and
warning lampsFront power distribution box, fuse 27
24MGround supply, terminal 31 for instrument
cluster electronicsGround point
25E/ACAN jumperInstrument cluster (Z3 Versions)
26Not used

9
.5 SW/RT













INSTRUMENT CLUSTER
INDICATORS
X1111
B18
BRAKE FLUID
LEVEL SWITCH
1) LOW LEVEL
2) NORMAL LEVELP90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT
10) AIR BAG 23
X172
18
.35 BR/VI
X1614
.5 BR/VI
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
31
7X1112
GROUND
DISTRIBUTION
0670.4
14 X10017
X16
X74
FUSE DETAILS
0670.3
F275A

2 1N9
RADIO
10 X18126
A35y
BOARD
COMPUTER
(BC – LOW)
9X10245
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
16 X22
RA51
WIPER/WASHER
MODULE
5 X285
R
TACHTACH
.5 SW/WS .5 SW/WS .35 SW/WS
.5 SW/WS .5 SW/WS
.5 SW/WS
 TACH
10 2
X10464
OUTPUT–SIGNAL
SPEEDOMETER
P90
FRONT POWER
DISTRIBUTION BOX
3
2X10018
X522
FUSE DETAILS
0670.3
F315A
X5221
GROUND
DISTRIBUTION
0670.4


GROUND
DISTRIBUTION
0670.4
24




2
15
X17
Z3 VERSIONS M VERSIONSA18
HIFI AMPLIFIER
1 X10266
.5 SW/WS
X3223
HARMAN KARDON
SOUND SYSTEM .5 SW/WS
BRAKE
FLUID
31

H10
CHIME MODULE
X188