1998 BMW M3 Electrical Troubleshooting Manual

SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) $%%


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FUSE DETAILS
0670.3P90
FRONT POWER
DISTRIBUTION BOX
X10218
24
F427.5A
X10018
15 X74
.5 WS/RT
1 X10218
,/%
2
GROUND
DISTRIBUTION
0670.43
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULEA113
SEAT OCCUPANCY
DETECTORI1008
SEAT MAT
2 X910091





/

X1162
1X116




3450.0 SLIP CONTROL (ABS) $%%



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14
FUSE DETAILS
0670.316P90
FRONT POWER
DISTRIBUTION BOX
F275A
X10018
F3830A
X1139424
A202
ABS CONTROL
MODULE/HY-
DRAULIC UNIT
GROUND
DISTRIBUTION
0670.4
32X10018
F4615A
2
F215A
X1001720
F1030A
X10015
21 X17
23 X16
21
A2w
INSTRUMENT
CLUSTER
1 X78
2 X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
A6000
ENGINE CONTROL
MODULE (DME)
79 X6000
.5 WS/GR/GE
21
9 X20
.75 BR/RT
1816
FUSE DETAILS
0670.3
4259X11394
7
DATA LINK
0670.5
,.#
8
GROUND
DISTRIBUTION
0670.4
FUSE DETAILS
0670.3
1.5 BL/RT
.35 WS/VI X181
TXD


.35 BL/RT.35 GR/SW/GE
BRAKE LIGHTS
6325.0FUSE DETAILS
0670.3 FUSE DETAILS
0670.3
S29
BRAKE LIGHT
SWITCH
1) NORMAL
STATE
2) BRAKE PEDAL
DEPRESSED
31 31
WITH EGS

6 1




SLIP CONTROL (ABS) $%%



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2519202223 X11394
.5 BR
12X11412 X14221X11312 X143
B2
LEFT FRONT SPEED
SENSOR – ABSB4
LEFT REAR SPEED
SENSOR – ABSB1
RIGHT FRONT SPEED
SENSOR – ABSB3
RIGHT REAR SPEED
SENSOR – ABS
LEFT FRONT
PULSE WHEELA202
ABS CONTROL
MODULE/
HYDRAULIC UNIT
LEFT REAR PULSE
WHEELRIGHT FRONT
PULSE WHEELRIGHT REAR
PULSE WHEEL
.5
BR/
RT.5 BR .5
BL.5 GE .5
BR.5 GE/SW .5
GE/
BR
3X114
GROUND
DISTRIBUTION
0670.4
3X113
GROUND
DISTRIBUTION
0670.4
////
//
,.#,.#

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35
F215A
14
3450.1-01
3450.1-00 K10
ABS RELAY
Y1w
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K125
ABS PUMP MOTOR
RELAY, TIMED
A52
SLIP CONTROL
MODULE
(ABS/ASC)
32 X1171
19X1171
RXD
TXD 8
7
S123
ABS PEDAL
TRAVEL SENSOR


F1030AF275A
A2w
INSTRUMENT
CLUSTER
2165049524436
S30
BRAKE LIGHT
SWITCH F38
30AF4615A
311
3450.1-00
3450.1-01
3450.1-00 3450.1-00
21
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS) 3450.1-022023 42
R31
AUXILIARY
THROTTLE
POSITION SENSOR 3450.1-04 43
30 48
B2
LEFT FRONT SPEED
SENSOR – ABS 3450.1-0346 29
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0347 11
B1
RIGHT FRONT SPEED
SENSOR – ABS 3450.1-0345 10
B3
RIGHT REAR SPEED
SENSOR – ABS 3450.1-033525426
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-04
6
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 3450.1-04
39551718372254403451
F1030AF215A
S6
ASC SWITCH 3450.1-02
27
LIGHT SWITCH
DETAILS
6300.0
33
V7
ASC DIODE 3450.1-00
13
58g
15
3450.1-02
X1171
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
S29
BRAKE LIGHT
SWITCH
41
323i, 328i, M3
M3W9110
SHIELDW9110
SHIELDW9110
SHIELDW9110
SHIELD
3450.1 SLIP CONTROL (ABS/ASC)

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F215A
3450.1-06
3450.1-05
Y1
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K125
ABS PUMP MOTOR
RELAY, TIMED
A52
SLIP CONTROL
MODULE
(ABS/ASC)
17 X1170
41 X11395
TXD 36


F1030AF275A
A2w
INSTRUMENT
CLUSTER
4228311
S30
BRAKE LIGHT
SWITCH F46
15A
19
3450.1-05
3450.1-05
32 11
B2
LEFT FRONT SPEED
SENSOR – ABS 3450.1-0834 13
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0833 12
B1
RIGHT FRONT SPEED
SENSOR – ABS 3450.1-0835 14
B3
RIGHT REAR SPEED
SENSOR – ABS 3450.1-0876
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-07A8500
TRANSMISSION
CONTROL MODULE
(EGS)3450.1-07
2232425262227295
F215A
S6
ASC SWITCH 3450.1-07
39
LIGHT SWITCH
DETAILS
6300.0
404
58g
X1170
318is
15
2
F3830A
4
37
X1170X11395X11395
223X1170
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS)
13X11395X1170
9308
R6255
ACCELERATOR
PEDAL POSITION
SENSOR (ASC) 3450.1-05 X1170
3450.1-07
SLIP CONTROL (ABS/ASC)




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Pin Assignments (323i, 328i, M3)
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E = Input, A = Output, M = Ground
X1171
Pin Type Description/Function Connection
1
MGroundGround
2EBattery voltageABS relay
3MGround, moduleGround
4EIgnition cut-off signalDME module
5AEML signalDME module
6ATransmission influenceTransmission control module
7E/ATxD signalDiagnostic link
8ARxD signalDiagnostic link
9Not used
10ASensor groundRight rear speed sensor (ABS)
11ASensor groundRight front speed sensor (ABS)
12Not used
13AABS power protection relayABS power protection relay
14EPedal travel sensorPedal travel sensor
15ARight rear speed signalDME module
16EPlus supplyABS relay
17ASolenoid valve signal left rear inletABS hydraulic unit
18ASolenoid valve signal left rear outletABS hydraulic unit
19MGroundGround
20AADS step motor (–)ADS step motor
21AADS step motor (+)ADS step motor
22ASolenoid valve signal right front inletABS hydraulic unit
23EASC throttle flap potentiometer (–)ASC throttle flap motor potentiometer
24Not used
25ESignal idle speedDME module
26AThrottle flap positionDME module
27EASC switch signalASC witch
28Not used
29ASensor groundLeft rear speed sensor (ABS)
30ASensor groundLeft front speed sensor (ABS)



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Pin Assignments (323i, 328i, M3)
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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
45ERight rear speed sensor signalRight rear speed sensor
46ELeft rear speed sensor signalLeft rear speed sensor
47ERight front speed sensor signalRight front speed sensor
48ELeft front speed sensor signalLeft front speed sensor
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



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Pin Assignments (318is)
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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)
70EPump motor signalABS 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