1998 BMW 318ti immobilizer




INDEX







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COMPONENT LOCATION CHART 7000.0. . . . . . . . . . . . . . . . . . . . . .
COMPONENT LOCATION VIEWS 7100.0. . . . . . . . . . . . . . . . . . . . . .
COMPRESSOR CONTROL RELAY, K19 6450.6-02. . . . . . . . . . . . . .
CONNECTOR VIEWS 8500.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONTACT RING, C101 3234.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRANKSHAFT POSITION/RPM SENSOR, B6203 1210.20-03. . . .
CRASH CONTROL MODULE 6350.0. . . . . . . . . . . . . . . . . . . . . . . . . . .
CRASH CONTROL MODULE, N17 6350.0-00. . . . . . . . . . . . . . . . . . .
CRUISE CONTROL (TEMPOMAT) 6571.0. . . . . . . . . . . . . . . . . . . . . .
CRUISE CONTROL ACTUATOR (TEMPOMAT), M25 6571.0-01. . .
CRUISE CONTROL MODULE (TEMPOMAT), A8 6571.0. . . . . . . . .
CRUISE CONTROL SWITCH, S28 6571.0-00. . . . . . . . . . . . . . . . . . .
DATA LINK 0670.5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DATA LINK CONNECTOR, D100 0670.5. . . . . . . . . . . . . . . . . . . . . . . .
DAY LIGHT RELAY MODULE, K46z 6312.0-04. . . . . . . . . . . . . . . . . .
DEFOGGER I, REAR, E9 6424.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DEFOGGER RELAY, REAR, K13 6424.0-00. . . . . . . . . . . . . . . . . . . .
DEFOGGER SWITCH, REAR, S218 6424.0-00. . . . . . . . . . . . . . . . . .
DIGITAL CLOCK, A110 6213.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOME LIGHT/MAP READING ASSEMBLY, FRONT, E34 6330.3-00
DOOR HANDLE SWITCH, DRIVER’S, S48 6575.2-00. . . . . . . . . . . .
DOOR JAMB SWITCH, DRIVER’S, S14 6100.0-02. . . . . . . . . . . . . .
DOOR JAMB SWITCH, DRIVER’S, S14 6330.3-01. . . . . . . . . . . . . .
DOOR JAMB SWITCH, DRIVER’S, S14 6575.2-01. . . . . . . . . . . . . .
DOOR JAMB SWITCH, PASSENGER’S, S13 6100.0-02. . . . . . . . . .
DOOR JAMB SWITCH, PASSENGER’S, S13 6330.3-01. . . . . . . . . .
DOOR JAMB SWITCH, PASSENGER’S, S13 6575.2-01. . . . . . . . . .
DOOR LOCK MOTOR, DRIVER’S, M12 5126.0-02. . . . . . . . . . . . . .
DOOR LOCK MOTOR, PASSENGER’S, M13 5126.0-02. . . . . . . . . .
DOOR LOCK SWITCH, DRIVER’S, S47 5126.0-00. . . . . . . . . . . . . .
DOOR LOCK SWITCH, PASSENGER’S, S49 5126.0-00. . . . . . . . .
DOUBLE TEMPERATURE SWITCH, S36y 6450.6-03. . . . . . . . . . . . DRIVE–AWAY PROTECTION (EWS II) 6135.0. . . . . . . . . . . . . . . . . .
ELECTRIC FOLDING SUNROOF 5410.4. . . . . . . . . . . . . . . . . . . . . . .
ELECTRONIC IMMOBILIZER CONTROL MODULE
(EWS II), A836 6135.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRONIC TRANSMISSION CONTROL
(EGS A4S 270R) 2460.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE CONTROL MODULE (DME), A6000 1210.20. . . . . . . . . . . .
ENGINE CONTROL MODULE RELAY, K6300 1210.20-00. . . . . . . .
ENGINE CONTROL SYSTEM
(DME M5.2, 4–CYLINDER M44) 1210.20. . . . . . . . . . . . . . . . . . . . . .
ENGINE COOLANT TEMPERATURE SENSOR, B6232 1210.20-04
ENGINE HOOD SWITCH, S21w 6575.2-01. . . . . . . . . . . . . . . . . . . . .
EVAPORATIVE EMISSION VALVE, Y6120 1210.20-01. . . . . . . . . . .
EVAPORATOR TEMPERATURE SENSOR, B14 6450.6-01. . . . . . .
FOG LIGHT RELAY, FRONT, K47 6312.0. . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT SWITCH ILLUMINATION, E98 6312.0-00. . . . . . . . . . . .
FOG LIGHT SWITCH, S82y 6312.0-00. . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT, LEFT, E26 6312.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT, RIGHT, E27 6312.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOLDING SUNROOF COMFORT RELAY, K45 5410.4-00. . . . . . . .
FOLDING SUNROOF MOTOR, M24z 5410.4-00. . . . . . . . . . . . . . . . .
FOLDING SUNROOF SWITCH, S238 5410.4-00. . . . . . . . . . . . . . . .
FOOTWELL LIGHT, LEFT FRONT, E61 6330.3-00. . . . . . . . . . . . . . .
FOOTWELL LIGHT, RIGHT FRONT, E62 6330.3-00. . . . . . . . . . . . .
FRESH AIR RECIRCULATION MOTOR, M111 6450.6-01. . . . . . . . .
FUEL CHANGEOVER VALVE, Y6263 1210.20-08. . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 1,Y6101 1210.20-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 2, Y6102 1210.20-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 3, Y6103 1210.20-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 4, Y6104 1210.20-01. . . . . . . . . . . .
FUEL LEVEL SENSOR, B6 6211.0-04. . . . . . . . . . . . . . . . . . . . . . . . .
FUEL LEVEL SENSOR, B6 6581.3-00. . . . . . . . . . . . . . . . . . . . . . . . .


8 2.5 SW/GE730
28




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POWER DISTRIBUTION
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
261
F43
5AF4415A
.75 VI/WS 1.5 VI/SWX223
8
X56
.5 VI
X100183230 X10018
F457.5AF4615A
1.5 VI/WS 1.5 VI/GE
210 3
0670.2-04K2
HORN RELAY
3 X1659
2.5 GN/SW
R
2 X33
210 3
50
6210 3
.5 GN/WS15I
210 3
2.5 GN15
5X209
4 RT
X331
0670.2-01
4 RT
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
2 4 3 1
2.5 GN
2.5 VI
2.5 VI
RR R R
1240.06133.0
24 23
F42
7.5A
.5 VI/GN1.5 VI
R
 

NOT USED
X10259
2.5 VI
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
5126.0
6135.0

FUSE 31




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FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
F31
5A
X1067





.5 RT/GE
X102455
A35y
BOARD
COMPUTER
(BC – LOW)
6581.3 .35 RT/GEX1622
A2w
INSTRUMENT
CLUSTER
6211.0
.5 RT/GE.5 RT/GE
X100182
X102636
A110
DIGITAL CLOCK
6213.0
 

.5 RT/GE
X1659
5
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
1240.0
5126.0
6135.0 X5223
H10
CHIME MODULE
6211.0
.5 RT/GE

S4
HORN SWITCH
GROUND DISTRIBUTION
GROUND X173





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.75 BR
.5 BRX18333
1E97
LIGHT SWITCH
ILLUMINATION
.5 BRA2w
INSTRUMENT
CLUSTER
S5
WIPER/WASHER
SWITCH
X10008
0670.4-03
4 BR .5 BR
1
0670.4-02
4 BR 4 BR X17
3
X173





E98
FOG LIGHT
SWITCH
ILLUMINATION
X18334
1
.5 BR
X321 .35 BRS7
COMBINATION
SWITCH
.75 BR
X295
 

A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
X16597X10013
.5 BR
X19527
4
D110
OBD II
CONNECTOR
X3312 .75 BRS2
IGNITION SWITCH
.5 BR
.75 BR





A52
SLIP CONTROL
MODULE
(ABS/ASC)
DATA LINK
TXD




!

X13
X183
.35 WS/VI
X442
A35y
BOARD
COMPUTER
(BC – LOW) X10245
A202
ABS CONTROL
MODULE/
HYDRAULIC UNIT X11394
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE X74
X1170
TXDTXD
TXD .35 WS/VI
.5 WS/VI .5 WS/VI
27
36
9TXD
0670.5-01
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) X10182TXD .5 WS/VI
11
.35 WS/VI
.35 WS/VI
18
 

A8
CRUISE CONTROL
MODULE
(TEMPOMAT) X22TXD .35 WS/VI
17
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) X1659
.35 WS/VI
2
TXD.5 WS/VI
A2w
INSTRUMENT
CLUSTER X16TXD .35 WS/VI
12









 

X1047
DATA LINK
DATA LINK CONNECTOR, PINS 1 AND 4




!


A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
20 X16
20 X20
1 X6002
D100
DATA LINK
CONNECTOR .5 SW
.5 SW.5 SW
X8500
.5 SWA8500
TRANSMISSION
CONTROL MODULE
(EGS)
X8015
A6000
ENGINE CONTROL
MODULE (DME)
X6000
.5 SW
.5 SW
TD
TD
3
TD
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
12 X1659
.35 SW
8 X22
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
.35 SW
32 X10018
FUSE DETAILS
0670.3 F46
15A
P90
FRONT POWER
DISTRIBUTION BOX
.5 SW/VI/GE
4X6002
D100
DATA LINK
CONNECTOR 8040
8 X6031
WITHOUT EGS
TDTD

49
50
22
23
65Y199
CARBON
CANISTER VALVE 1210.20-08


!
44 162078308546 X6000
1210.20-00
27K6300
ENGINE CONTROL
MODULE RELAY
S2
IGNITION SWITCH
31Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE
Y6104
CYL. 4 FUEL
INJECTION VALVE 1210.20-01
26
1210.20-02
RXD
TXD 87
88
R6252
THROTTLE
POSITION
SENSOR 1210.20-04B6205
INTAKE AIR
TEMPERATURE
SENSOR 1210.20-04
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.20-03
B62001
OXYGEN SENSOR
(IN FRONT OF
CATALYTIC
CONVERTER) 1210.20-03
Y6120
EVAPORATIVE
EMISSION VALVE 1210.20-01
61
A8500
TRANSMISSION
CONTROL
MODULE (EGS) 1210.20-05A6000
ENGINE CONTROL
MODULE (DME)
T6151
CYL. 1 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL 1210.20-02
X6000

X6000
862853X6000
54
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1210.20-00
11
1210.20-07
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
1210.20-07
B9508
PRESSURE
SWITCH
1210.20-05
S36y
DOUBLE
TEMPERATURE
SWITCH
68
1210.20-05
K21
NORMAL SPEED
RELAY
5758Y6131
INTAKE AIR RES-
ONANCE
CHANGEOVER
VA LV E 1210.20-01
Y6130
IDLE SPEED
CONTROL VALVE 1210.20-01
29 X60002
7

7
B6209
HALL EFFECT
CAMSHAFT
SENSOR 1210.20-03
B6217
HOT FILM AIR
MASS METER
45
1210.20-05
1721
F1815A
P90
FRONT POWER
DISTRIBUTION
BOX
M2
FUEL PUMPK6301w
FUEL PUMP
RELAY
1210.20-031210.20-03
631210.20-0360
D100
DATA LINK
CONNECTOR
56
K6326
UNLOADER RELAY,
TERMINAL 15 1210.20-02
1210.20-04
A836
ELECTRONIC
IMMOBILIZER CONTROL
MODULE (EWS II)
10
A35y
BOARD COMPUTER
(BC – LOW)
838
A2w
INSTRUMENT
CLUSTER
4280
1210.20-07
S530
IHKS CONTROL
SWITCH
69
1210.20-07
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
F165AP90
FRONT POWER
DISTRIBUTION BOX
36K19
COMPRESSOR
CONTROL RELAY
1210.20-07
86
85
19177
B6240
KNOCK SENSOR 1210.20-04
407071
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER) 1210.20-03
74
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR 1210.20-04
34 556
1210.20-05
A202
ABS CONTROL
MODULE/
HYDRAULIC UNIT
79
A52
SLIP CONTROL
MODULE
(ABS/ASC) 1210.20-05
323
SPARK PLUGS1210.20-04
1210.20-06 1210.20-05
ASC ABS 4
POWER
DISTRIBUTION
0670.2
POWER
DISTRIBUTION
0670.2
1210.20-07
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
Y6133
AIR PUMPK6304
SECONDARY AIR
PUMP RELAY
1210.20-081210.20-08
POWER
DISTRIBUTION
0670.2
Y6163
SECONDARY AIR
PUMP VALVE 1210.20-08
66Y6263
FUEL CHANGE-
OVER VALVE 1210.20-08
P90
FRONT POWER
DISTRIBUTION
BOX 1210.20-08F25A
1210.20-04
B72
FUEL TANK
PRESSURE
SENSOR
72
64
* *
*
1210.20 ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)


 



 !
Pin Assignments

E = Input, A = Output, M = Ground
X6000
Pin Type Description/Function Connection
1
AOxygen sensor heating (–)Oxygen sensor (behind catalytic converter)
2AActivate valveIdle speed control valve
3AActivate valveCyl. 1 fuel injection valve
4AActivate valveCyl. 4 fuel injection valve
5Not used
6MGround, fuel injection valve output stagesGround point
7Not used
8A“Check engine” indicator controlInstrument cluster
9Not used
10EDrive-away protection signalElectronic immobilizer control module
(EWS II)
11EActivate A/CPressure switch
12Not used
13Not used
14Not used
15Not used
16EIntake air temperatureIntake air temperature sensor
17ESignal inputHot film air mass meter
18Not used
19EOxygen sensor signalOxygen sensor (in front of catalytic
converter)
20ECrankshaft position/RPMCrankshaft position/RPM sensor
21ECamshaft positionHall effect camshaft sensor
22ACyl. 3 ignition coil controlCyl. 3 ignition coil
23ACyl. 4 ignition coil controlCyl. 4 ignition coil
24Not used
25Not used
26EBattery voltageB+ junction point
27AEngine control module relay controlEngine control module relay, terminal 85
28MGround for electronics and shielding of
sensorsGround point