ABS BMW 318ti 1999 E36 Electrical Troubleshooting Manual
Page 114 of 278
Pin Assignments
E = Input, A = Output, M = Ground
X1170
Pin Type Description/Function Connection
1
ALeft front outlet valveABS hydraulic unit
2ALeft front inlet valveABS hydraulic unit
3MGroundGround point
4EVoltage supplyFuse 21
5Not used
6E/ACAN-LOWDME/EGS module
7E/ACAN-HIGHDME/EGS module
8AAccelerator pedal position, voltageAccelerator pedal position sensor (ASC)
9MAccelerator pedal position, groundAccelerator pedal position sensor (ASC)
10Not used
11ESpeed signalLeft front speed sensor ABS
12ESpeed signalRight front speed sensor ABS
13ESpeed signalLeft rear speed sensor ABS
14ESpeed signalRight rear speed sensor ABS
15ESignal pump motorABS pump motor relay, timed
16Not used
17EBrake pedal positionBrake light switch
18Not used
19MGroundGround point
20Not used
21Not used
22ARight rear outlet valveABS hydraulic unit
23ARight front inlet valveABS hydraulic unit
24ARight front outlet valveABS hydraulic unit
25ALeft rear outlet valveABS hydraulic unit
26ALeft rear inlet valveABS hydraulic unit
27ARight rear inlet valveABS hydraulic unit
28AActivate relayABS pump motor relay, timed
29ASeperator valveABS hydraulic unit
30EAccelerator pedal position, signalAccelerator pedal position sensor (ASC)
Page 115 of 278
Pin Assignments
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
31
AABS signalABS pump motor relay/Hydraulic unit
32ASensor groundLeft front speed sensor ABS
33ASensor groundRight front speed sensor ABS
34ASensor groundLeft rear speed sensor ABS
35ASensor groundRight rear speed sensor ABS
36E/ATxD diagnostic data linkData link connector
37ASpeed signal, right rearDME module
38Not used
39EASC signalASC switch
40AABS signalInstrument cluster
41MGroundGround point
42AASC signalInstrument cluster
X11395
Pin Type Description/Function Connection
1
AAuxiliary throttle position, voltageAuxiliary throttle position motor (ADS)
2MGroundGround point
3AAuxiliary throttle position, groundAuxiliary throttle position motor (ADS)
4EVoltage supplyFuse 38
5AABS signalABS hydraulic unit
Page 116 of 278
X11395
X11393
SLIP CONTROL (ABS/ASC)
K125
ABS PUMP MOTOR
RELAY, TIMED
32X10018
1 X78
.5 GR/SW/GEX181
1.5 BL/RT
216X1001814X1001720X10015
212 X78
692
48 X11393
23 X16
17
BRAKE LIGHTS
6325.0
440
.75 BL/RT
A52
SLIP CONTROL
MODULE
(ABS/ASC) S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
.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
3450.1-01
.35 RT/BL
21
X116
X116
S29
BRAKE LIGHT
SWITCH
1) NORMAL
STATE
2) BRAKE PEDAL
DEPRESSED
30X1170
32 X6255
8
11X603112 .5 WS/RT .5 BL/GN
.5 GR/SW .5 GR/BL
R6255z
THROTTLE
POSITION SENSOR
(ASC)
.5 GR/WS
X11704
1 X6255
WITH EGS
!
Page 117 of 278
28 X1170
.5 BR/SW
23 X11765
18194231
.5 BR/BL.75 BR/WS.75 BR/
GN/GE.75 BR/RT.5 BR/GN.5 BR/WS/GE
262524223136 X1170
.35 WS/VI
19
20X1176
2.5 RT/GN/GE
A52
SLIP CONTROL
MODULE
(ABS/ASC)
Y1
ABS HYDRAULIC
UNIT
1) LEFT FRONT
SOLENOID
VA LV E
2) RIGHT FRONT
SOLENOID
VA LV E
3) LEFT REAR
SOLENOID
VA LV E
4) RIGHT REAR
SOLENOID
VA LV E
14) PUMP MOTOR
15) SEPARATING
VA LV E A52
SLIP CONTROL
MODULE
(ABS/ASC)
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 TXD
16 24 25
.5 BR/BL/
GE.5 BR/GR/
GE.75 BR/SW/
GE
29 27 22
17
1 1 2 2 3 3 4 4 15
14
53115
3450.1-00X1170
X1541
.35 RT/BL .35 RT/BL
.35 RT/BL
2.5 RT/GN/GE 2.5 RT/BL/GE
DATA LINK
0670.5 X11284
9.5 WS/BR
10 X6031.5 GR/WS
X1170X11395
2.5 RT/GN/GE
GROUND
DISTRIBUTION
0670.4
X11703
GROUND
DISTRIBUTION
0670.42
GROUND
DISTRIBUTION
0670.4X1139541
Page 118 of 278
SLIP CONTROL (ABS/ASC)
5P90
FRONT POWER
DISTRIBUTION BOX
.35 GR/RT
S6
ASC SWITCH
1) OPEN
2) MOMENTARILY
CLOSED
6
.5 BR
A52
SLIP CONTROL
MODULE
(ABS/ASC)X521
4 6
39 X1170
FUSE DETAILS
0670.3
2 X521
LIGHT SWITCH
DETAILS
6300.058g
GROUND
DISTRIBUTION
0670.4 .35 BL/VI
F215A
7 .5 GE
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
8685X8500
A6000
ENGINE CONTROL
MODULE (DME)
8586
.35 SW.35 GE.35 GE.35 SW79
X6000
.75 BR/RT
X7845
X7846
.35 GE .35 SW
2 X20
1
37
9
.5 WS/GR/GE
2X10017
CAN LOW CAN HIGH
2 1
21X10094
13
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS)
1 SW/BR 1 SW/GN
X11395
Page 119 of 278
B4
LEFT REAR SPEED
SENSOR – ABS
RIGHT REAR
PULSE WHEEL
SLIP CONTROL (ABS/ASC)
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
12X114
B2
LEFT FRONT
SPEED SENSOR –
ABS
LEFT FRONT
PULSE WHEEL
3X114
GROUND
DISTRIBUTION
0670.4
X1170
21X113
B1
RIGHT FRONT
SPEED SENSOR –
ABS
RIGHT FRONT
PULSE WHEEL
3X113
GROUND
DISTRIBUTION
0670.4
B3
RIGHT REAR
SPEED SENSOR –
ABS
21 X143
Page 152 of 278
6211.0-04
A
F4615A
16K16
HAZARD FLASHER
RELAY S7
COMBINATION
SWITCH
F275A
P90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER F31
5A
A6000
ENGINE CONTROL
MODULE (DME)
18
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR1
B10
VEHICLE SPEED
SENSOR 6211.0-04G6509
GENERATOR
5B
D+ C
S2
IGNITION SWITCH 6211.0-00
F235AF1515A NSW
232248B
6312.0
16312.036313.04A
6313.0
1B
6313.0
2A
LIGHT SWITCH
DETAILS
6300.0 /
12
A64
WIPER/WASHER
MODULE (LOW II) 6211.0-03A8
CRUISE CONTROL
MODULE
(TEMPOMAT) 6211.0-03N9
RADIO 6211.0-03A35y
BOARD
COMPUTER
(BC – LOW) 6211.0-03
2
A51
WIPER/WASHER
MODULE 6211.0-03
2017
B6
FUEL LEVEL
SENSOR 6211.0-04B25y
FUEL TANK
SENSOR II
34A617
S31
PARK BRAKE
SWITCH14
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE 6211.0-00
6211.0-0018
B18
BRAKE FLUID
LEVEL SWITCH 6211.0-0019
B6231
OIL PRESSURE
SWITCH5
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 6211.0-0119
B17
RIGHT REAR
BRAKE PAD
SENSOR B16
LEFT FRONT
BRAKE PAD
SENSOR
A52
SLIP CONTROL
MODULE
(ABS/ASC)
243
1230.0A
B
6211.0-01 6211.0-01
6211.0-00A
B
A= X16B= X17C= X271
BAB
6211.0-02
6211.0-02 6211.0-05
9
B
2316
6300.0
S14
DRIVER’S DOOR
JAMB SWITCH6211.0-04
D100
DATA LINK
CONNECTOR
13
S2
IGNITION SWITCH 6211.0-05
22 B
H10
CHIME MODULE 6211.0-05
S58
DRIVER’S SEAT
BELT SWITCH 6211.0-00 14
1221
6211.0-02
15
6211.0 INSTRUMENT CLUSTER
Page 154 of 278
Pin Assignments
E = Input, A = Output, M = Ground
X17
Pin Type Description/Function Connection
1
ETrailer turn signal indicator controlHazard flasher relay
2AVehicle speed signalVarious control modules
3MGround supply, terminal 31 for indicator and
warning lampsGround point
4EVoltage supply, terminal 15 for instrument
cluster electronicsFront power distribution box, fuse 23
5EVoltage supply, terminal 15 for battery
charge indicatorIgnition switch, terminal 15
6EGround supply, terminal 61 for battery
charge indicatorGenerator
7Not used
8EFog light indicator controlFront power distribution box, fuse 15
9ASound tone signalChime module
10Not used
11Not used
12EASC signalASC control module
13ATI-measurement signal (fuel consumption)Engine control module (DME)
14ESeat belt warning lamp controlDriver’s seat belt switch
15ESIA reset/service interval indicator resetData link connector
16EVoltage supply, terminal RFront power distibution box, fuse 46
17ACoolant temperature sensor (–)Coolant temperature sensor
18ECoolant temperature sensor (+)Coolant temperature sensor
19EOil pressure warning lamp controlOil pressure switch
20Not used
21EABS warning lamp (ABS)ABS control module/hydraulic unit/slip
control module (ABS/ASC)
22EIgnition key warning/audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch
24Not used
Page 156 of 278
INSTRUMENT CLUSTER
INDICATORS
2
5
X4231
S31
PARK BRAKE
SWITCH
1) BRAKE SET
2) BRAKE NOT
SET 2 1
17
.5 BR/GN
X1111
B18
BRAKE FLUID
LEVEL SWITCH
1) LOW LEVEL
2) NORMAL LEVEL P90
FRONT POWER
DISTRIBUTION BOX
310
X203
7 2.5 GN15
F275A
A2w
INSTRUMENT
CLUSTER
10) AIR BAG 23
6
.5 BL
18
.35 BR/VI
X1614
.5 BL/SW
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
31
POWER
DISTRIBUTION
0670.2
7 10
A52
SLIP CONTROL
MODULE
(ABS/ASC) 40
X1170
CHARGING
SYSTEM
1230.0
2.5 GN
.5 GN
X1112
X173
GROUND
DISTRIBUTION
0670.4
14 X10017
X16X17
X74
1
X209
2 1
FUSE DETAILS
0670.3
!
.5 GR/SW/GE
X1426
.5 BL/SW
21 X16
S58
DRIVER’S SEAT
BELT SWITCH 2X778
.5 BL/VI/GE
14
15X13
.5 BL/VI/GE
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
42
.5 BL/BR
12X17
X33
PARK
BRAKE
Page 179 of 278
6325.0 BRAKE LIGHTS
21
X181
X10018
F4615A
FUSE DETAILS
0670.3
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) X22
15 2P90
FRONT POWER
DISTRIBUTION BOX
32
1
1.5 BL/RT1 BL/RT S29
BRAKE LIGHT
SWITCH
1) NORMAL STATE
2) BRAKE PEDAL
DEPRESSED
GROUND
DISTRIBUTION
0670.4 X318
2
X318
E47
RIGHT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY X3193
X319
5E46
LEFT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY
8
1.5 BR H24
LEFT BRAKE LIGHTH31
RIGHT BRAKE
LIGHT
1.5 BR
H34
HIGH LEVEL STOP
LIGHT X413
2 X116
X116
6 X13
1 BL/RT 1.5 BL/RT
.5 BR
X4131
X11268
1 BL/RT
.35 BL/RT
A8500
TRANSMISSION
CONTROL MODULE
(EGS) X8500
10
X6912
X13006
.5 BL/RT .75 BL/RT
12X10018
F4615A
FUSE DETAILS
0670.3
2P90
FRONT POWER
DISTRIBUTION BOX
32
1
1.5 BL/RT
X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL)
WITH EGS WITHOUT EGS
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1170
17 .75 BL/RT
43
4 3 X78
GROUND
DISTRIBUTION
0670.4
X173
.5 BR/GR
11 X69
.5 BR/GR
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
48 X8500
1.5 BL/RT
.75 BL/RT