Page 214 of 383

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
10AInformation signal, fuel tank contentOn-board computer
11ESlip control system warning lamp
(ABS/ASC) controlSlip control module (ABS/ASC) (323i, 328i,
M3)
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 distribution box, fuse 46
17ACoolant temperature sensorCoolant temperature sensor
18ECoolant temperature sensorCoolant temperature sensor
19EOil pressure warning lamp controlOil pressure switch
20Not used
21EGroundGround point (323i, 328i, M3)
21ESlip control system warning lamp
(ABS/ASC) controlSlip control module (ABS/ ASC) (318i)
22EIgnition key warning/audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch
Page 216 of 383
34 X1171
X8010323i, 328i, M3
INSTRUMENT CLUSTER
INDICATORS
.35 BR/GN
5
X4231
S31
PARK BRAKE
SWITCH
1) BRAKE SET
2) BRAKE NOT
SET
17
.5 BR/GN
X1111
B18
BRAKE FLUID
LEVEL SWITCH
1) LOW LEVEL
2) NORMAL LEVEL P90
FRONT POWER
DISTRIBUTION BOX
X203
7 2.5 GN
X195
F275A
X62311
B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSUREA2w
INSTRUMENT
CLUSTER
10) AIR BAG 23
1119
X2023
.5 BR/GN
6
.5 BL
X1718
.35 BR/VI
X1614
.5 BL/SW
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
POWER
DISTRIBUTION
0670.2
7 10
A52
SLIP CONTROL
MODULE
(ABS/ASC)SILA
.5 GR/SW/GE
SLIP CONTROL
(ABS/ASC)
3450.1
.5 GR/SW/GE
CHARGING
SYSTEM
1230.0
.5 GR/SW/GE2.5 GN
.5 GN
X1112
GROUND
DISTRIBUTION
0670.4
14X10017
X16X17
X74
1 X209FUSE DETAILS
0670.3
2 1
31
2
10
3
15
2 12 1
31
PARK
BRAKECHECK
ENGINEBRAKE
FLUID
31X6031
1 16
.5 GR
A6000
ENGINE CONTROL
MODULE (DME)
X6000
.5 GR.5 BR/GN
26 X14
.5 BL/SWS2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
318i
208
X33
X173
323i, 328i, M3
Page 221 of 383

323i, 328i, M3
318i 83RXD
X1001714
INDICATORS
INSTRUMENT CLUSTER
.5 WS/SW
A2w
INSTRUMENT
CLUSTER
8) ROLLOVER
PROTECTION
WARNING
LIGHT P90
FRONT POWER
DISTRIBUTION BOX 6211.0-04
DATA LINK
0670.5
X228
2312 .35 WS/VI
11 .35 WS/GE15 .35 WS/GN
N4
ON–BOARD
COMPUTER
22
H10
CHIME MODULE
X10716
.35 WS/SW
24
A6000
ENGINE CONTROL
MODULE (DME) X60009
.5 WS/SW
.5 WS/SWX20
X17X16
TXD
X10706
23
X3312X17
26
F275A
.5 BL/SW
S2
IGNITION SWITCH
4) OPEN
MOMENTARILY
IN START AND
OFF, OPEN
WITH KEY
REMOVED
5) CLOSED IN
OFF, START,
RUN AND AC-
CESSORYS14
DRIVER’S DOOR
JAMB SWITCH
1) DOOR OPEN
2) DOOR CLOSED .5 BR/GR/GE X33
11
N10
MULTI–FUNCTION
CLOCK .35 BL/BR/GEFUSE DETAILS
0670.3
2
9 .35 SW/RT N4
ON–BOARD
COMPUTER
X522
D100
DATA LINK
CONNECTOR
X60027
4 5
31
30
TI
19X20
X8072
.5 WS/GN .5 WS/GN
.75 BL/SW.5 BR/GR/GE
POWER WINDOWS
(FH)
5133.1
2 1
X173X13006
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 TI
CHECK
X443
13
.5 BR/GR/GE
15.75 BRX3521X352
2
31
8
X16
10
30
.35 WS/BLX14
N24
ROLLOVER
SENSOR
X1304412
A35
ON–BOARD
DISPLAY .35 WS/BL X17
24X16
X10010
GROUND
DISTRIBUTION
0670.4
Page 252 of 383
6410.5 HEATING CONTROL (HR)
P90
FRONT POWER
DISTRIBUTION BOX S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
7 X33
1 X209
2.5 GN
2.5 GN
X203
.35 GN
8POWER
DISTRIBUTION
0670.2
6
30
87 85
4X58
2
GROUND
DISTRIBUTION
0670.42.5 GN/BR
X35
2
X100176
31
1 X85
X853
X353
3 .5 BR/OR.5 GE/BRY4
WATER VALVE
ASSEMBLY
1
X899A32y
THERMOSTAT .5 GN/GEFUSE DETAILS
0670.3
X58K4
BLOWER RELAY
X173
2.5 GN/BR
X1001620
FUSE DETAILS
0670.3
.5 GE4 X35
.5 GN/GE
2
10
315
F2030AF235A
31
86
Page 254 of 383
.5 GN/WS2.5 GN
85
15I
K4
BLOWER RELAY
4 8 6
X582
GROUND
DISTRIBUTION
0670.4
POWER
DISTRIBUTION
0670.2
.35 GN7 X33
6
X203
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
15
86
8730
FUSE DETAILS
0670.3
2.5 GN/BRX58
2.5 GNNOT USED
6412.10 PARK VENTILATION WITH HR
2.5 GN/BR
X173
31X209
F2030A
P90
FRONT POWER
DISTRIBUTION BOX
X10016
20
X9051
1.5 SW5 X905
X352
S75
BLOWER SWITCH
0) OFF
1) SLOW
2) MEDIUM
3) FAST
4) MAXIMUM
2.5 RT/GN2.5 RT/GN
2
1.5 GN4
2.5 GN/GR3
2.5 BL
2.5 RT/GN
210
3 4
2
10
32
10
3
Page 256 of 383
6412.20 PARK VENTILATION WITH IHKA E36
P90
FRONT POWER
DISTRIBUTION BOX
8 X586
X1001620
42
FUSE DETAILS
0670.3
2.5 RT/GN
X8171GROUND
DISTRIBUTION
0670.4
X10012
K4
BLOWER RELAY
X58
4
N2
FINAL STAGE UNIT
M30
BLOWER MOTOR
31
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
67
V6
UNCOUPLING
DIODEX33
.35 GN
X1405
1
X14061
GROUND
DISTRIBUTION
0670.4
X173
X352
1 X816
51
2.5 GN/BR
2 2.5 GN/BR
2.5 GN
2.5 GN .5 GN/WS
X671
3X6712.5 BR/GE 2.5 GN/GE
A115
AUTOMATIC
CLIMATE CONTROL
MODULE 19 .35 BL/RT
20 .35 GN/BR8 .35 SW/WS/GE
X1257
12 11X35
.5 GN.5 SW/WS/GEX107114
N4
ON–BOARD
COMPUTER
3) VENTILATION
2 X6078
K450
PARK VENTILATION
RELAY
X607
2.5 GN.5 SW/WS/GE.35 GN2.5 RT/GN
POWER
DISTRIBUTION
0670.2
5
.35 GN
X203
85 86
6412.20-0087 302.5 RT/GN
X18165
.5 SW/WS/GE 6412.20-00
64
X10103
3 .5 BL/VI NOT USED
X209
F2030A
2
10
32
10
3
GROUND
DISTRIBUTION
0670.4
X10012
X152721 23GROUND
DISTRIBUTION
0670.430
8786
85
Page 262 of 383

6450.7-00
6450.7-01S36
TEMPERATURE
SWITCH M30
BLOWER MOTOR 6450.7-006450.7-00
5
A2w
INSTRUMENT
CLUSTER 6450.7-0210
2221 23A115
AUTOMATIC
CLIMATE CONTROL
MODULE
3
B11
LH HEAT EX-
CHANGER
TEMPERATURE
SENSORA6000
ENGINE CONTROL
MODULE (DME) 4
1
2
B12
RH HEAT EX-
CHANGER
TEMPERATURE
SENSORB13
OUTSIDE
TEMPERATURE
SENSOR
B14
EVAPORATOR
TEMPERATURE
SENSOR 6450.7-02
6450.7-04 6450.7-02 X1527
F2030A
K13
REAR DEFOGGER
RELAY
6424.0
16M36
FRESH AIR FLAP
MOTOR
F315AF235A
181111 Y4
WATER VALVE
ASSEMBLY
B9
INTERMEDIATE
PRESSURE
SWITCH F16
5AF4130A
6450.7-05
K19
COMPRESSOR
CONTROL RELAY
Y2
AIR CONDITIONING
COMPRESSOR 6450.7-04
6450.7-04
B8y
PRESSURE
SWITCH
K22
HIGH SPEED
RELAY
1715A
X1527
P90
FRONT POWER
DISTRIBUTION BOX
6
N2
FINAL STAGE UNIT 6450.7-00
149241225
20 86450.7-00K4
BLOWER RELAY
A6000
ENGINE CONTROL
MODULE (DME) 6450.7-05
P90
FRONT POWER
DISTRIBUTION BOX
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
M9
AUXILIARY FAN
MOTOR
K21
NORMAL SPEED
RELAY
S36y
DOUBLE
TEMPERATURE
SWITCHB9
INTERMEDIATE
PRESSURE
SWITCH F16
5AF4840A
6450.7-06
B8y
PRESSURE
SWITCHK22
HIGH SPEED
RELAY 6450.7-06
A6000
ENGINE
CONTROL
MODULE (DME) 6450.7-06
P97
AUXILIARY FUSE
BOX
M9
AUXILIARY FAN
MOTOR
K21
NORMAL SPEED
RELAY
F165AF397.5AP90
FRONT POWER
DISTRIBUTION BOX
6450.7-04
A6000
ENGINE CONTROL
MODULE (DME) 6450.7-06
713
NOT USED
19LIGHT SWITCH
DETAILS
6300.0 58g
START
1240.030h
B9508
PRESSURE
SWITCH6450.7-05 6450.7-05
6450.7-05
6450.7-05AUXILIARY FAN –
4–CYLINDER ENGINE
3 2 1
6450.7-03 6450.7-03 6450.7-03 6450.7-03
M35
DEFROSTER FLAP
MOTORM44
REGULATION FLAP
MOTORM46
REAR
RECIRCULATION
FLAP MOTORX1527
M40
RECIRCULATION
FLAP MOTORB9508
PRESSURE
SWITCH6450.7-06 6450.7-066450.7-06 P90
FRONT POWER
DISTRIBUTION BOX
S2
IGNITION SWITCH
15
AUXILIARY FAN –
6–CYLINDER ENGINE
PARK VENTILATION
WITH IHKA E36
6412.20
26
X1527
TXD
6450.7 INTEGRATED CLIMATE REGULATION (IHKA E36)
Page 264 of 383
POWER, AIR FLOW CONTROL
INTEGRATED CLIMATE REGULATION (IHKA E36)
P90
FRONT POWER
DISTRIBUTION BOX
2.5 GN
7 X33
2.5 GN
X203
8S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
86
85
8730 6 X58
POWER
DISTRIBUTION
0670.2
K4
BLOWER RELAY
4X582 .35 GN
2.5 GN/BR
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
GROUND
DISTRIBUTION
0670.49
.35 SW/GN
30h
X276
START
1240.0 .5 SW/GN
5
.35 SW/GN
24 .5 GN/GE1
F315A
X10018
2
25 .5 RT/GE
FUSE DETAILS
0670.3
15
X2091
X3522.5 GN/BR
F2030A
X10016
20
FUSE DETAILS
0670.3
F235A
X10017
6
FUSE DETAILS
0670.3
X35
1 GN/BL
32 4 1 X663
M36
FRESH AIR FLAP
MOTOR
17 16 15 14
.35 WS .35 BL .35 GR .35 GE
X10054
X1527
2 X671
X6713
19.35 BL/RT41
2.5 BR/GE
X8171
1 X816
5
2.5 GN/GE
M30
BLOWER MOTORN2
FINAL STAGE UNIT
21
.5 BR23
.5 BR
GROUND
DISTRIBUTION
0670.4
X10012
2
10
3
31 31 31 31
X173
2.5 BR
X1527