relay BMW M3 1999 E36 Electrical Troubleshooting Manual




Pin Assignments

323i, 328i, M3





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
31
EPedal travel sensorPedal travel sensor
32EBrake signalBrake light switch
33EPlus supplyABS relay
34AABS lamp controlInstrument cluster
35EIgnition signalFuse 21
36ASeparator valveABS hydraulic unit
37ASolenoid valve signal right front outletABS hydraulic unit
38Not used
39ARight rear inlet valveABS hydraulic unit
40ASolenoid valve signal left front inletABS hydraulic unit
41ESpeed signalDME module
42EASC throttle flap potentiometer (+)ASC throttle flap potentiometer
43EASC throttle flap signalASC throttle flap potentiometer
44AASC lamp controlInstrument cluster
45ESpeed sensor signal rear rightSpeed sensor rear right
46ESpeed sensor signal rear leftSpeed sensor rear left
47ESpeed sensor signal front rightSpeed sensor front right
48ESpeed sensor signal front leftSpeed sensor front left
49EPump motor sensor signalABS hydraulic unit
50EShield pump motor sensorABS hydraulic unit
51EPlus supplyFront power distribution box
52AABS pump motor relayABS pump motor relay
53Not used
54ASolenoid valve signal left front outletABS hydraulic unit
55ARight rear outlet valveABS hydraulic unit




Pin Assignments

318i





E = Input, A = Output, M = Ground
X1170
Pin Type Description/Function Connection
56
ARight rear inlet valveABS hydraulic unit
57ASeparator valveABS hydraulic unit
58MGroundGround point
59EVoltage supplyFuse 21
60Not used
61E/ACan LowDME/EGS module
62E/ACan HighDME/EGS module
63EASC throttle flap signalAccelerator pedal position sensor
64EASC throttle flap potentiometer (–)Accelerator pedal position sensor
65Not used
66ASensor groundLeft front speed sensor ABS
67ASensor groundRight front speed sensor ABS
68ASensor groundLeft rear speed sensor ABS
69ASensor groundRight rear speed sensor ABS
70ESignal pump motorABS pump motor relay
71Not used
72EBrake pedal positionBrake light switch
73Not used
74MGroundGround point
75Not used
76Not used
77ALeft front outlet valveABS hydraulic unit
78ARight rear outlet valveABS hydraulic unit
79ALeft rear inlet valveABS hydraulic unit
80ALeft rear outlet valveABS hydraulic unit
81ARight front outlet valveABS hydraulic unit
82ARight front inlet valveABS hydraulic unit
83AActivate relayABS pump motor relay
84ALeft front inlet valveABS hydraulic unit
85EASC throttle flap potentiometer (+)Accelerator pedal position sensor



Pin Assignments

318i





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
86
ASignal ABSABS pump motor relay/Hydraulic unit
87ESpeed signalLeft front speed sensor ABS
88ESpeed signalRight front speed sensor ABS
89ESpeed signalLeft rear speed sensor ABS
90ESpeed signalRight rear speed sensor ABS
91E/ATxD diagnostic data linkData link connector
92ASpeed signal right rearDME module
93Not used
94ESignal ASCASC switch
95ESlip control system warning lampSlip control module (ASC)
96MGroundGround point
97ASignal ASCInstrument cluster
X11395
Pin Type Description/Function Connection
1
AADS step motor (+)ADS step motor
2MGroundGround point
3AADS step motor (–)ADS step motor
4EVoltage supplyFuse 38
5ASignal ABSABS hydraulic unit

X1161
2
X1165
X11393

SLIP CONTROL (ABS/ASC)






K125
ABS PUMP MOTOR
RELAY, TIMED
21


3450.1-01
.5 RT/BL/GE
32X10018
1 X78
.5 GR/SW/GE
X181
1.5 BL/RT
2X1001720X1001514X1001716X10018
11
2 X78
685X54
692
429 X54
48 X11393
23 X16
32
BRAKE LIGHTS
6325.0
X1164
.5 BR/SW
351333
X1171
2.5 RT/BL/GE
.5 GN/BL/GE
.75 BL/RT.5 GN/BL/GE
A52
SLIP CONTROL
MODULE
(ABS/ASC) S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
2.5 RT/BL/GE
X195
.5 GR/SW/GE
.5 BR/GR2.5 RT/GN/GE
.5 GR/SW/GE
X1166
K10
ABS RELAYA2w
INSTRUMENT
CLUSTERP90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4FUSE DETAILS
0670.3
2.5 RT/BL/GEGROUND
DISTRIBUTION
0670.4
F4615AF215AF1030AF275AF3830A
.5 BL/BR12 X17
X10100.5 BL/BR3450.1-01
V7
ASC DIODE
.5 RT/BL/GE 2.5 RT/BL/GE
21 X10099
1 X10098
.5 BL/BR
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3 FUSE DETAILS
0670.3
2.5 RT/BL/GE
323i, 328i, M3
16
2.5 RT/BL/GE
S29
BRAKE LIGHT
SWITCH
1) NORMAL
STATE
2) BRAKE PEDAL
DEPRESSEDX116
X173
21GROUND
DISTRIBUTION
0670.4
31
WITH EGS

S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED1X78
1X78
X11395
X11393

SLIP CONTROL (ABS/ASC)





K125
ABS PUMP MOTOR
RELAY, TIMED


32X10018
1X116
.5 GR/SW/GEX181
1.5 BL/RT
216X1001814X1001720X10015
212X116
692
48 X11393
23 X16
17
BRAKE LIGHTS
6325.0
440.75 BL/RT
A52
SLIP CONTROL
MODULE
(ABS/ASC)
.5 BR/SW 2.5 RT/GN/GE
A2w
INSTRUMENT
CLUSTERP90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
F4615AF215AF3830A F275AF1030A
.5 BL/BR12 X17
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3
42
FUSE DETAILS
0670.3
3450.1-06
.35 RT/BL
21
318i

S29
BRAKE LIGHT
SWITCH
1) NORMAL STATE
2) BRAKE PEDAL
DEPRESSED
X1170
4
8X1170
23 X6255
30
12X603111.5 WS/RT .5 BL/GN
.5 GR/SW .5 GR/BL
R6255z
THROTTLE
POSITION SENSOR
(ASC)
.5 GR/WS1 X6255
3450.1-06 3450.1-063450.1-06
WITH EGS

16

 




M17
LUGGAGE
COMPARTMENT
LOCK MOTOR
1) LOCK
2) UNLOCK
.5 WS/
SW
14
31A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) 14
13 X257
.5 WS/
GN
311
.35 WS/
SW.35 WS/
GN
.5 WS/GN
13
31214 X256.5 WS/
SW
31 15 X13253
.35 WS/BR/
GE.35
WS/
GR
321 X315
1.5 BL/GR
K117
LUGGAGE
COMPARTMENT
LID RELAY 5 9 X10226
X453
2
.35 WS/
BLX3111
.5 WS/GN/GE
F75A
X10015
14
FUSE DETAILS
0670.3P90
FRONT POWER
DISTRIBUTION BOX
31
3
31
X311
12
F75A
X10015
14
FUSE DETAILS
0670.3P90
FRONT POWER
DISTRIBUTION BOX
2
X1022686
1.5 WS
X10228
.5 GN/
WS/GE5126.0-02
.5 WS/GN/GE
X455
.5 WS/GN/GE
1.5 WS
CONVERTIBLE COUPE
1.5 WS (PARTIAL)(PARTIAL)
1.5 BL/GR
1.5 WS

12 X13254
20 X1325515
11
3 1
1

POWER WINDOWS (FH)
OUTPUT DETAILS





2
1A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)


.5 SW/GR7
2 X13256
.5 SW/RT
M98
LEFT REAR
WINDOW MOTOR 9
A5
RELAY MODULE
16
.5 BL/GE .5 SW/RT
10
.5 WS/RT17
.5 GN/RTX13253
13
5
4
1
2X13257
M99
RIGHT REAR
WINDOW MOTOR8 X13258
P90
FRONT POWER
DISTRIBUTION BOX F19
30A
X1325815FUSE DETAILS
0670.3
X495
GROUND
DISTRIBUTION
0670.4
2.5 BL/GN 2.5 SW/GE
18 X10016
2.5 BL/RT
2.5 WS/GE
CONVERTIBLE

X494
GROUND
DISTRIBUTION
0670.4 GROUND
DISTRIBUTION
0670.4 X13173GROUND
DISTRIBUTION
0670.4
1.5 RT/GE
4
X63
.5 RT/GE









5203.0 HEATED SEATS
X100176
8730P90
FRONT POWER
DISTRIBUTION BOX F23
5A
LIGHT SWITCH
DETAILS
6300.0
X100158F4
15A
86 X63
FUSE DETAILS
0670.3
K9
UNLOADER RELAY,
TERMINAL 15
2 4
6 5 X651
2 3 1 X651
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 RT/GE
X13129
86
85
2 2 X732
X733
1 X7331 X732.5 BR .5 BR
.5 WS/RT .5 WS/GN4 6
5X658
10 Test
9
8
7
6154
14
13
12
11
3
2 2 3 1 X658
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
22 X741
X740
1 X7401 X741
E59
PASSENGER’S
SEATBACK HEATER E58
PASSENGER’S
SEAT HEATER
.5 BR .5 BR .5 WS/GE .5 WS/BL.5 RT/GE .5 RT/GE.5 GR/RT .5 GR/RT .5 GR/RT
X495
01
0 2
X13006
01
0 2
10 Test
9
8
7
6154
14
13
12
11
3
2
58g
X173X494
121.5 RT/GE
X14
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4E56
DRIVER’S SEAT-
BACK HEATER E57
DRIVER’S SEAT
HEATER







ELECTRICAL CONVERTIBLE TOP
16
M17
LUGGAGE
COMPARTMENT
LOCK MOTOR
1) LOCK
2) UNLOCK
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) X13253321 X315
1.5 BL/GR
K117
LUGGAGE
COMPARTMENT
LID RELAY 5 9 X10226
X453
2
.35 WS/BLX3111
.5 WS/GN/GE
F75A
X10015
14
FUSE DETAILS
0670.3P90
FRONT POWER
DISTRIBUTION BOX
31331 X311
12
F75A
X10015
14
FUSE DETAILS
0670.3P90
FRONT POWER
DISTRIBUTION BOX
2
X1022686
1.5 WS
X10228
.5 GN/WS/GE
.5 WS/GN/GE
X455
.5 WS/GN/GE 1.5 WS
ZKE CENTRAL
LOCKING (ZV)
5126.0
2A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)9
S214
CONVERTIBLE TOP
STORAGE LID MI-
CRO SWITCH
1) LID CLOSED
2) LID OPEN 2X10229
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
4
X13254
X10227
.5 GN/WS/GE .5 GN/WS/GE
X102271

1 2
GROUND
DISTRIBUTION
0670.4 2.5 WS 2.5 BL/GRX13252

A =
B =
C
=
D
=
E
=
15 5
 




P90
FRONT POWER
DISTRIBUTION BOXF3525A
B
X10182
11
LIGHT SWITCH
DETAILS
6300.0
C41 26
2
A
9
11101
N17
CRASH CONTROL
MODULE 6350.0-01
E
S61y
LUGGAGE
COMPARTMENT
LIGHT SWITCH E101
LEFT LUGGAGE
COMPARTMENT LIGHT 6320.0-01
6320.0-01
14
M12
DRIVER’S DOOR
LOCK MOTOR
K117
LUGGAGE
COMPARTMENT
LID RELAY
S214
CONVERTIBLE TOP
STORAGE LID MI-
CRO SWITCH
5126.0-00
M13
PASSENGER’S
DOOR LOCK
MOTOR 5126.0-00
229B1
M16
GAS FILLER LOCK
MOTOR
5126.0-02
5126.0-01
3 D16 C
M107
GLOVE BOX LOCK
MOTOR 5126.0-00
5126.0-00
15 B5A
X13252
X13253
X13254
X13255
RXD
TXDA104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
CONVERTIBLE
CONVERTIBLE
15
M17
LUGGAGE
COMPARTMENT
LOCK MOTOR 5126.0-01
A836
ELECTRONIC
IMMOBILIZER
CONTROL
MODULE (EWS II) 5126.0-03 A
S302
CENTRAL LOCKING
SWITCH
F75A
A96
CONVERTIBLE TOP
CONTROL MODULE 5430.1-00
CONVERTIBLE
CONVERTIBLE COUPE
4
CONVERTIBLE COUPE
18
A96
CONVERTIBLE TOP
CONTROL MODULEA56
TILT/SLIDE SUN-
ROOF CONTROL
ASSEMBLY
19 C
P90
FRONT POWER
DISTRIBUTION BOX
5126.0-02 5126.0-02
S47
DRIVER’S DOOR
LOCK SWITCH5126.0-02
S49
PASSENGER’S
DOOR LOCK
SWITCH
13 C
5430.1-005430.1-00
AUTOMATIC
CONVERTIBLE TOPPOWER TILT/SLIDE
SUNROOF
19 D
14 DC
E102
RIGHT LUGGAGE
COMPARTMENT
LIGHT CONVERTIBLE
CONVERTIBLE
11B
CONVERTIBLE
6330.3-01 6330.3-00
E34
FRONT DOME
LIGHT/MAP READ-
ING ASSEMBLY
6330.3-01 6330.3-00
E61
LEFT FRONT
FOOTWELL LIGHT
E62
RIGHT FRONT
FOOTWELL LIGHT
E39
LEFT REAR
INTERIOR LIGHT
E40
RIGHT REAR
INTERIOR LIGHTE61
LEFT FRONT
FOOTWELL LIGHT
E62
RIGHT FRONT
FOOTWELL LIGHT
E39
LEFT REAR
INTERIOR LIGHT
E40
RIGHT REAR
INTERIOR LIGHTE100
HARD TOP
CONNECTOR 2E42
GLOVE BOX LIGHT E34
FRONT DOME
LIGHT/MAP READ-
ING ASSEMBLY 6330.3-02
6330.3-01 6330.3-006330.3-02
6330.3-03 6330.3-036330.3-02
F435A
4
6100.0 CENTRAL BODY ELECTRONICS (ZKE IV)