relay BMW Z3M COUPE 2000 E36 Electrical Troubleshooting Manual

POWER
DISTRIBUTION
0670.2G7512
B+ JUNCTION
POINT


ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)



 






12 X6304
K6304
SECONDARY AIR
PUMP RELAY
X61331X6133
2
Y6133
AIR PUMP
X6455
GROUND
DISTRIBUTION
0670.4
X63045
GROUND
DISTRIBUTION
0670.4 .5 RT/WS
26
4 RT/GE
30
A6000
ENGINE CONTROL
MODULE (DME)
2
4
3 X60004
X183651
Y6139
LEAKAGE DIAGNO-
SIS PUMP
.5 WS
.75 BR/BL
3
34
3
.5 GE
.5 SW/GN
8
8
FUSE DETAILS
0670.3
F20430A
X8680
P98
FUSE HOLDER IN
E–BOX
31
12 X60002
.5 BR/GN
28 X6004
X783
24
2
.35 RT/GE
14X78
FUSE DETAILS
0670.3
F137.5A
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
F4615A
X65502
X65501Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”)
1.5 BL/RTX6139
X6139
.5 GE/BL
X181BRAKE LIGHTS
6325.06
X1001632X10018
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL) 21 34
.5 BL/RT.5 RT/WS
.35 BR/BL/GE.5 RT/WS
31
F10750A
X1982
Z3 VERSIONS



ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)



 







X65001
GROUND
DISTRIBUTION
0670.4
4 X6500
2 6 8 X6301
10X6301
4
2.5 GN/VI .35 SW/VI
M2
FUEL PUMP
A6000
ENGINE CONTROL
MODULE (DME)
K6301w
FUEL PUMP RELAY 

 
X60002
X13032
7221624 19 18
234 1
X62102
X62102
B62102
OXYGEN SENSOR
I (BEHIND
CATALYTIC
CONVERTER)
3 24 1
X62202
X62202
B62202
OXYGEN SENSOR
II (BEHIND
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
16
X100166
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
F137.5AF1815A
.5 RT/WS
.5 BR
1201421 13 15
234 1
X62101
X62101
B62101
OXYGEN SENSOR
I (IN FRONT OF
CATALYTIC
CONVERTER)
3 24 1
X62201
X62201
B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
.5 BR
.5 RT/WS
X60004
X86808P98
FUSE HOLDER IN
E–BOX
FUSE DETAILS
0670.3
F20430A
Z3 VERSIONS



ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
1




 






6
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
4 X51
FUSE DETAILS
0670.3
2 X515
.75 SW
.5 SW/BL
K19
COMPRESSOR
CONTROL RELAY
1
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATURE
30 86
87 85
X163
X1001818X1001612
F397.5AF165A
2
A6000
ENGINE CONTROL
MODULE (DME)
35 X60004
.35 BL/BR
29
27655
GROUND
DISTRIBUTION
0670.4
4 X60001
X6454
GROUND
DISTRIBUTION
0670.4
.5 BR/OR
6 X60005
GROUND
DISTRIBUTION
0670.4
X6456
.35 BL/SW
3131313131
X1017012
A9008
CRUISE CONTROL
INTERFACE
Z3 VERSIONS
X111433
GROUND
DISTRIBUTION
0670.4
X111431S32
CLUTCH SWITCH
X10010
X1001712
F435A
FUSE DETAILS
0670.3
23 X60004
2
X60004

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

                   
                                       
10/993450.1a2000
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 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
ABS
7124
G6509
GENERATOR
F275A
K95
VALVE RELAY
(ABS/ASC) 3450.1-00
3450.1-00
1230.0 D +
3450.1 SLIP CONTROL (ABS/ASC)






Pin Assignments






E = Input, A = Output, M = Ground
X1175
Pin Type Description/Function Connection
51
EVoltage supplyFuse 13
52ALeft front inlet valveABS hydraulic unit
53AVoltage supplyValve – Engine control relay
54Not used
55Not used
56ARight rear inlet valveABS hydraulic unit
57AActivate relayEngine control relay
58Not used
59Not used
60MSensor groundABS speed sensor, left front
61ESpeed signalABS speed sensor, right rear
62MSensor groundABS speed sensor, left rear
63ESpeed signalABS speed sensor, left rear
64MSensor groundABS speed sensor, right front
65ESpeed signalABS speed sensor, right front
66Not used
67Not used
68EEngine signal 1Engine control module (DME)
69ERelay activation feedbackEngine control relay
70ESpeed signalEngine control module (DME)
71Not used
72Not used
73AADS step motor (+)ADS step motor
74ECharge indicatorGenerator
75ALeft rear outlet valveABS hydraulic unit
76AShut-off valve (ASC)ABS hydraulic unit
77ARight front outlet valveABS hydraulic unit
78MGroundGround point
79MGroundGround point
80AABS lamp controlInstrument cluster






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, left front
87AActivate relayValve relay
88MSensor groundABS speed sensor, right rear
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

SLIP CONTROL (ABS/ASC)











16 X100186 X100162 X19023
3 X1175
42X18766
68X18766
51
X10469
372.5 RT/BL
A52
SLIP CONTROL
MODULE (ABS/ASC)
K94
ENGINE CONTROL
RELAY (ABS/ASC) A52
SLIP CONTROL
MODULE
(ABS/ASC)P95
AUXILIARY FUSE
BOX
FUSE DETAILS
0670.3
F3830AF135AF4950A
8
2
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
7
20F10
30A
FUSE DETAILS
0670.3
2.5 RT/GE


30
87K95
VALVE RELAY
(ABS/ASC)
4X18767
6 X18767
X10015
19 X1175
1 X1175
.75 BR/GE
.75 BR/GEX10468
86
85
.75 BR/GN.75 BR/GE
.75 BR/GR86
8530
87
.75 RT/BL 2.5 RT/BL
P90
FRONT POWER
DISTRIBUTION BOX
M VERSIONS

                   
                                       
10/993452.12000
F4115A
14
F5130A3452.1-00
P900
AUXILIARY FUSE
BOX
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
40X1746
X1746
TXD 8
F5230AF5330A
S30
BRAKE LIGHT
SWITCH F46
15A
1
3452.1-00
M118
PRECHARGE PUMP 3452.1-00
29243620
Y16z
PRESSURE TRANS-
MITTER 3452.1-00
1543
X1746
F215AP90
FRONT POWER
DISTRIBUTION BOX
ABS
F75A
A2w
INSTRUMENT
CLUSTER 3450.1-00
3450.1-03
3450.1-04
3452.1-00
3452.1-02
42
F275A
28193452.1-04
S31
PARK BRAKE
SWITCH
P
3452.1-02
3452.1-03
R33
STEERING ANGLE
SENSOR
D100
DATA LINK
CONNECTOR
3452.1-02
S6y
DSC SWITCH
LIGHT SWITCH
DETAILS
6300.058g
27121716
3452.1-03
A6000
ENGINE CONTROL
MODULE (DME)
32
21910
B74
TRANSVERSE AC-
CELERATION
SENSOR 3452.1-04252238
B75
RPM RATE
SENSOR 3452.1-04261123
B76
PRESSURE
SENSOR 3452.1-0423
B2
LEFT FRONT
SPEED SENSOR
– ABS 3452.1-0533 34
B4
LEFT REAR SPEED
SENSOR – ABS 3452.1-0531 6
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3452.1-055
B3
RIGHT REAR
SPEED SENSOR –
ABS 3452.1-053041
B18
BRAKE FLUID
LEVEL SWITCH 3452.1-01K10485
BRAKE FLUID
LEVEL RELAY 3452.1-01
EARLY PRODUCTION LATE PRODUCTION
3452.1 DYNAMIC STABILITY CONTROL (DSC III)

X9633
GROUND
DISTRIBUTION
0670.4


DYNAMIC STABILITY CONTROL (DSC III)


 






4 X10485
2 X9063
.5 BR/VI
.5 GR/BR2
14 X10017
18
1 X9063
23 X16
85
K10485
BRAKE FLUID
LEVEL RELAY
B18
BRAKE FLUID
LEVEL SWITCH
1) LOW LEVEL
2) NORMAL
LEVEL
A2w
INSTRUMENT
CLUSTER FUSE DETAILS
0670.3F21
5A F275A
X16
FUSE DETAILS
0670.3
X13004
GROUND
DISTRIBUTION
0670.4
6
12
P90
FRONT POWER
DISTRIBUTION BOX
BRAKE
FLUID
2
88a 87a 86
8785
X10485
.5 BR/VI41 X1746
.5 BR/VI
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
18
23 X16A2w
INSTRUMENT
CLUSTER
X16
BRAKE
FLUID
14X10017
F275A
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
X9633
GROUND
DISTRIBUTION
0670.4
2 X9063
1 X9063
B18
BRAKE FLUID
LEVEL SWITCH
1) LOW LEVEL
2) NORMAL
LEVEL
12
LATE
PRODUCTIONEARLY
PRODUCTION
X1123
.5 BR/VI