sensor BMW M3 1998 E36 Electrical Troubleshooting Manual




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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)
 $%%




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)
 $%%




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


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Pin Assignments (318is)
 $%%




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
86
AABS signalABS 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
92ARight rear speed signalDME module
93Not used
94EASC signalASC switch
95ESlip control system warning lampSlip control module (ASC)
96MGroundGround point
97AASC signalInstrument 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
5AABS signalABS hydraulic unit

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52 X117134
.5 BR/GR.5 GR/SW/GE
5049X1171
21
.5 BL
2223
X1176
2.5 RT/BL/GE
5
18194231
.75 BR/BL.75 BR/WS1 BR/GN/
GE1 BR/RT.75 BR/GN.75 BR/WS/GE
17183754224087 X1171
12
X1162
1431
.5 BL/GR.5 BL/SW
.5 WS/GE.5 WS/VI
119X1171
20X1176
X1165
2.5 RT/GN/GE
A52
SLIP CONTROL
MODULE
(ABS/ASC)
Y1w
ABS HYDRAULIC
UNIT
3) PUMP MOTOR
SENSOR
6) RIGHT REAR
OUTLET VALVE
7) RIGHT REAR
INLET VALVE
8) LEFT REAR
OUTLET VALVE
9) LEFT REAR
INLET VALVE
10) RIGHT FRONT
OUTLET VALVE
11) RIGHT FRONT
INLET VALVE
12) LEFT FRONT
OUTLET VALVE
13) LEFT FRONT
INLET VALVE
14) PUMP MOTOR
15) SEPARATOR
VA LV E A52
SLIP CONTROL
MODULE
(ABS/ASC)
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 S123
ABS PEDAL
TRAVEL SENSORRXD TXDDATA LINK
0670.5
SHIELD
16 24 25
.75 BR/
BL/GE.75 BR/
GR/GE1 BR/SW/
GE
36 39 55
3450.1-00
44 .5 BL/BR
17
2.5 RT/BL/GE
3
13 12 11 10 8 9 6 7 153
14
GROUND
DISTRIBUTION
0670.4 GROUND
DISTRIBUTION
0670.4
X1166
///
M3

SLIP CONTROL (ABS/ASC) $%%


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3048462947114510X1171
.5 GE.5 WS.5 GE.5 GN
1221 X1422121 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 WHEELA52
SLIP CONTROL
MODULE
(ABS/ASC)
LEFT REAR PULSE
WHEELRIGHT FRONT
PULSE WHEELRIGHT REAR
PULSE WHEEL
31313131
3X114
,..
3X113
,..
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
3131
323i, 328i, M3
W9110
SHIELDW9110
SHIELDW9110
SHIELDW9110
SHIELD

SLIP CONTROL (ABS/ASC)
 $%%


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3
A52
SLIP CONTROL
MODULE (ABS/ASC)
1) IGNITION CUT–OFF
2) TIMING CONTROL/
INJECTION
CONTROL
R31
AUXILIARY
THROTTLE
POSITION SENSOR 1 X10239
2
X102393
A52
SLIP CONTROL
MODULE
(ABS/ASC)
X850019A8500
TRANSMISSION
CONTROL MODULE
(EGS)
.5 WS/GN/GE
5
.5 WS/RT/GE
A6000
ENGINE CONTROL
MODULE (DME)
23
X11716
4 X69
45
7 25
.5 WS/GR6 4
.5 WS/GNX695 26
.5 WS/GR/GEX1171
42 43
.5 WS/RT .5 WS/BL
.5 WS/RT/GE .5 WS/GR .5 WS/GN .5 WS/GR/GE.5 WS/BR .5 WS/GN/GE
21
82 81 80
323i, 328i, M3
X6000
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
X7000

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

SLIP CONTROL (ABS/ASC) $%%


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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
318is
,.#
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
R6255
ACCELERATOR
PEDAL POSITION
SENSOR (ASC)
.5 GR/WS1 X6255
3450.1-06 3450.1-063450.1-06
WITH EGS

B4
LEFT REAR SPEED
SENSOR – ABSB3
RIGHT REAR SPEED
SENSOR – ABS
21 X143
RIGHT FRONT
PULSE WHEEL

SLIP CONTROL (ABS/ASC) $%%


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3211133414351233
21 X142
A52
SLIP CONTROL
MODULE
(ABS/ASC)
LEFT REAR PULSE
WHEEL
.5 BR .5
BR/
RT.5 BL .5
BR.5 GE/SW .5
GE/
BR .5 GE .5 BR
318is
/// /
12X114
B2
LEFT FRONT SPEED
SENSOR – ABS
LEFT FRONT
PULSE WHEEL
3X114
GROUND
DISTRIBUTION
0670.4
/
,.#
21X113
B1
RIGHT FRONT SPEED
SENSOR – ABS
RIGHT REAR
PULSE WHEEL
3X113
GROUND
DISTRIBUTION
0670.4
/
,..
X1170

9 BA
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RXD
TXD 16
4
C
P90
FRONT POWER
DISTRIBUTION BOX F27
5A
23
3
F4920A
10F75A
22
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
10
M132
WINDSCREEN
COWL PANEL LOCK
MOTOR
255
5430.1-00
6F43
5A
A2w
INSTRUMENT
CLUSTER
5430.1-00
N24
ROLLOVER
SENSOR
Y86
RH ROLLOVER
PROTECTION
ACTUATOR Y85
LH ROLLOVER
PROTECTION
ACTUATOR
S213
LUGGAGE
COMPARTMENT
LID MICRO SWITCH
M43
CONVERTIBLE TOP
STORAGE LID
LOCK MOTOR ELECTRICAL
CONVERTIBLE TOPMECHANICAL
CONVERTIBLE TOP
20 C
5430.1-03
5430.1-03 5430.1-03
168
M100
CONVERTIBLE TOP
STORAGE LID
MOTOR
M101
CONVERTIBLE TOP
MOTORA5B44582
S196
REAR WINDOW
BLOWER MICRO
SWITCH
REAR WINDOW
DEFOGGER/AN-
TENNA
6424.0 C
3B
S164
CONVERTIBLE TOP
END–POSITION
MICRO SWITCH
117 C
LIGHT SWITCH
DETAILS
6300.0
S143
CONVERTIBLE TOP
ACTUATING
SWITCHS165
CONVERTIBLE TOP
POSITION MICRO
SWITCH
5430.1-01 5430.1-03
A
6
5430.1-015430.1-015430.1-015430.1-02
5430.1-02
A96
CONVERTIBLE TOP
CONTROL MODULE
A
= X13156B= X13157C= X131595430.1-02
5430.1-02
1311
AUTOMATIC
CONVERTIBLE TOP
C
D
7
AUTOMATIC
CONVERTIBLE TOP
SEMI–AUTOMATIC
CONVERTIBLE TOP
AUTOMATIC
CONVERTIBLE TOP
S231
WINDSCREEN
COWL PANEL
LOCK MICRO
SWITCH
5430.1-00
26
CA14AD10 9
AUTOMATIC
CONVERTIBLE TOP 5430.1-00
F427.5AF2410A
D= X11390
A2w
INSTRUMENT
CLUSTER 5430.1-03
DATA LINK
0670.5
P96
AUXILIARY FUSE
BOX IN LUGGAGE
COMPARTMENT
5430.1 ELECTRICAL CONVERTIBLE TOP