EWS BMW 318is 1999 E36 Electrical Troubleshooting Manual









Pin Assignments


E = Input, A = Output, M = GroundE = X10182
18 Pins, black
F = X1325215 Pins, black
G = X1325326 Pins, yellow
H = X1325426 Pins, green
I = X1325526 Pins, nature
J = X1325815 Pins, white
X10182
Pin Type Description/Function Connection
1
ECrash signalCrash control unit
2ELight signalLight switch
3Not used
4EVoltage supply, terminal RFront power distribution box, fuse 43
5MGroundGround
6Not used
7AActivate relayHorn relay (Alpine)
8Not used
9ADiagnosis RxD signalData link connector
10Not used
11E/ADiagnosis TxD signalData link connector
12EStart signalStarter
13Not used
14Not used
15ADrive-away protectionElectronic immobilizer control module
(EWS II)
16Not used
17Not used
18EPower supplyFront power distribution box

X13253

CENTRAL BODY ELECTRONICS (ZKE IV)







P90
FRONT POWER
DISTRIBUTION BOX


15
F3525A
INTERIOR LIGHTS
6330.3
GROUND
DISTRIBUTION
0670.410X13252
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
10 X10018
.5 BR/WS
4
.75 RT/SW11
1.5 VI/SW2
2.5 BL/GR1
2.5 SW9X13252
2.5 WS
ZKE CENTRAL
LOCKING (ZV)
5126.0FUSE DETAILS
0670.3
X495
14 X1325426
.75 VI/SWX1325315 X10182
.5 SW/GN
DRIVE–AW AY
PROTECTION
(EWS II)
6135.0
LICENSE PLATE/
LUGGAGE
COMPARTMENT
LIGHTS
6320.0LICENSE PLATE/
LUGGAGE
COMPARTMENT
LIGHTS
6320.0
4
.5 BL/RT/GE
3
.75 BR/GE
ZKE DOOR LOCK
HEATING (TSH)
5120.0

318i
X8015
P90
FRONT POWER
DISTRIBUTION BOXF285A





3
1







6135.0 DRIVE–AWAY PROTECTION (EWS II)
X1659
X338 50
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
2.5 GN/SW
12 X1659
4A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) F45
7.5A
FUSE DETAILS
0670.3
2.5 SW/GE
9FUSE DETAILS
0670.3 16 X10017
30 X10018
A6000
ENGINE CONTROL
MODULE (DME)
80 X6000
72INSTRUMENT
CLUSTER
6211.0
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
.5 BR/SW
.5 BR/SW
DATA LINK
0670.5ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
5 X511
7 X511
START
1240.0 X20
7
X6000
18
TXDTD
20 X20
.5 SW
.35 SW
.5 SW
.5 SW36
.35 GN
.5 GN
318i
10.35 WS/VI 2.5 SW/GE
X1047
4 X209
2
10
3
1 0

S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH
PEDAL FULLY
DEPRESSEDF31
5A
FUSE DETAILS
0670.3
2 X10018
5
123 X18994
2 X189941
WITH EGS WITHOUT EGS
X173
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
.5 SW/VI .35 BR/SW
X2018
2.5 SW/GE
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A5S 310Z)
2460.4X191
A6000
ENGINE CONTROL
MODULE (DME)
1) DRIVE–AW AY
PROTECTION 1

P90
FRONT POWER
DISTRIBUTION BOX F45
15A










DRIVE–AWAY PROTECTION (EWS II)
X90260
X1659
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
GROUND
DISTRIBUTION
0670.4
X10010
FUSE DETAILS
0670.3 30 X10018
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
15 X10182
138
X1660
1
.35 BL
X1659
3 X1660
.5 SW/GN
21
A835
TRANSMITTER
MODULE (EWS II)3
S2
IGNITION SWITCH
4 X13253
14
.5 BL/RT/GE
4 X14
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
.5 BL/RT/GE
.5 BL/RT/GEX450
N4
ON–BOARD
COMPUTER
15
1 X1071
X1302510
.5 BL/RT/GE
.35 SW/GN

X8071
318iA836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
323i, 328i, M3

FUSE DETAILS
0670.3
F235AP90
FRONT POWER
DISTRIBUTION BOX F4615AF315A
4
16 X1622
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
X10017632X100182
X17







INSTRUMENT CLUSTER
INDICATORS
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
7) TACHOMETER
X20
X6256
2
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR
18X1620
.5 SW
.5 BR/VI
A6000
ENGINE CONTROL
MODULE (DME) X600036
3
X8015
SPEEDOMETER
.5 SW .5 SW .5 SW
.5 BR/VI
X17
1112
X20
1
X6256
X60021 17
.5 BR/GE
.5 BR/GE
D100
DATA LINK
CONNECTOR A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X1047
TEMPERATURE
GAUGE
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
6 X1527
.35 SW
X10054
11
.35 SW
40 X8500
.5 SW20 .5 SW
X8051
.5 BR/VI
.5 BR/GE
TD
31
7
TDTD
80 318i 43 X7000
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
TD
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
8 X22
.35 SWTD
A52
SLIP CONTROL
MODULE
(ABS/ASC)
41 X1171
.5 SWTD
.35 SW12 X1659323i, 328i, M3323i, 328i, M3











P90
FRONT POWER
DISTRIBUTION BOX
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE) FUSE DETAILS
0670.3
F435A
2X13025
311
S61y
LUGGAGE
COMPARTMENT
LIGHT SWITCH
1) TRUNK
CLOSED
2) TRUNK OPEN1 X711
X465
LOW–NOISE MI-
CROPHONE
.75 BR/WS
9
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) 17.5 BL/RT/GE10 X13025
4 X13253
.5 WS/RT/GE
VI VI
SW SW
LED
X13009
GROUND
DISTRIBUTION
0670.4
6575.2 ANTI–THEFT SYSTEM (ALPINE)
ANTENNA
.5 BR/WS
8
2 X65
.5 BL/GN/GE
14 X14
N17
CRASH CONTROL
MODULE .5 BL/GN/GE
12
.5 BR/RT/GE
.5 BR/RT/GE
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
1 X13254
S48
DRIVER’S DOOR
HANDLE SWITCH
1) HANDLE DOWN
2) HANDLE
LIFTED 2 X752
1X752
.5 BR/RT/GE
1 21 2LICENSE PLATE/
LUGGAGE
COMPARTMENT
LIGHTS
6320.0
3131
X495
GROUND
DISTRIBUTION
0670.4
19 X475X257
.5 BR/RT/GE
USA
X13168X450
.5 BL/RT/GE .5 WS/RT/GE
DRIVE–AW AY
PROTECTION
(EWS II)
6135.0.5 BL/RT/GE
26 X10018

318i83 .35 SW/GN
15 X1659
.5 WS/SW

6581.2 ON–BOARD COMPUTER (BC V)
POWER






B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSORS7
COMBINATION
SWITCH
10) PROGRAM
MODUSA2w
INSTRUMENT
CLUSTER
1) FUEL
CONSUMPTION
A6000
ENGINE CONTROL
MODULE (DME)
30R30
TI
15
31
3131
.35 BR/GR.35 BR/RT.35 WS/GE.35 WS/VI.35 WS/SW
.5 WS/SW
P90
FRONT POWER
DISTRIBUTION BOX
6 X10017
30 X10018
FUSE DETAILS
0670.3
914
816
.5 SW/GN
.35 GR/RT
START
1240.0
LIGHT SWITCH
DETAILS
6300.0 .35 SW/GN
X1070
21 X16
N4
ON–BOARD
COMPUTER
RXD TXD
12 X1070
475
13 6 X1071
DATA LINK
0670.5
.35 BR/RT
9 X6000
24 X201 X770
2 X770
GROUND
DISTRIBUTION
0670.410 X32
1 X32
GROUND
DISTRIBUTION
0670.4
.5 WS/SW
10X276
30h
58g
316
14 X10017
26 X17
23
.35 BL/BR/GE
FUSE DETAILS
0670.3
X16
F235AF275A F457.5A
31
1
X10010X173X10012
CHECK
GROUND
DISTRIBUTION
0670.4
31
FUSE DETAILS
0670.3
.35 BR
15
X228
30
1
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
2 X10018
FUSE DETAILS
0670.3
8
F315A
X1071
14
PARK VENTILATION
WITH HR
6412.10
PARK VENTILATION
WITH IHKA E36
6412.20
TI .5 SW/WS/GE




7000.0 COMPONENT LOCATION CHART








COMP. DESCRIPTION LOCATION7100.0 8500.0
A2w . . INSTRUMENT CLUSTER . . . . . . . . . . . . . . . . LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-3

A4 . . . .
CHECK CONTROL MODULE . . . . . . . . . . . . .
below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
00-3

A5 . . . . RELAY MODULE . . . . . . . . . . . . . . . . . . . . . . . . behind glove box


A8 . . . .

CRUISE CONTROL MODULE
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . . . . .
RH side of dash behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

01-2




A12 . .

SUPPLEMENTAL RESTRAINT SYSTEM
CONTROL MODULE . . . . . . . . . . . . . . . . . .
below rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

00-2


A18 . . HIFI AMPLIFIER . . . . . . . . . . . . . . . . . . . . . . . . below RH side of rear seat (Convertible) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-3
A18 . . HIFI AMPLIFIER . . . . . . . . . . . . . . . . . . . . . . . . in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04-1
A32y THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . center of dashboard

A35 . .
ON–BOARD DISPLAY . . . . . . . . . . . . . . . . . . .
center of dash center console



A51 . . WIPER/WASHER MODULE . . . . . . . . . . . . . . behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
A52 . . SLIP CONTROL MODULE (ABS/ASC) . . . . . behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-3


A56 . .

TILT/SLIDE SUNROOF CONTROL
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . .
under roof center panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

04-2


A64 . . WIPER/WASHER MODULE (LOW II) . . . . . . behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
A96 . . CONVERTIBLE TOP CONTROL MODULE . in lower LH C–pillar behind side panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-1

A104 .
BODY ELECTRONICS CONTROL
MODULE (ZKE IV) . . . . . . . . . . . . . . . . . . . .
behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

01-1



A113 . .
SEAT OCCUPANCY DETECTOR . . . . . . . . .
under RH front seat





A115 . .

AUTOMATIC CLIMATE CONTROL
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . .
behind center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
03-2

A835 . TRANSMITTER MODULE (EWS II) . . . . . . . RH side of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04-3




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION


A836 .

ELECTRONIC IMMOBILIZER CONTROL
MODULE (EWS II) . . . . . . . . . . . . . . . . . . . .
RH side of dash behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

38-3


A6000 ENGINE CONTROL MODULE (DME) . . . . . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-1

A7000
TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

00-1



A8500
TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

00-1


B1 . . . . RIGHT FRONT SPEED SENSOR – ABS . . . on RH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-3

B2 . . . .

LEFT FRONT SPEED SENSOR – ABS . . . .

on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

08-3


B3 . . . . RIGHT REAR SPEED SENSOR – ABS . . . . on RH rear wheel, above brake caliper
B4 . . . . LEFT REAR SPEED SENSOR – ABS . . . . . on LH rear wheel, above brake caliper
B6 . . . . FUEL LEVEL SENSOR . . . . . . . . . . . . . . . . . . below LH side of rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-2

B8y . . .
PRESSURE SWITCH . . . . . . . . . . . . . . . . . . . .
near RH headlight assembly



B9 . . . . INTERMEDIATE PRESSURE SWITCH . . . . near RH headlight assembly
B10 . . VEHICLE SPEED SENSOR . . . . . . . . . . . . . . under rear of car on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-1


B11 . . .

LH HEAT EXCHANGER TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console






B12 . .

RH HEAT EXCHANGER TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console




B13 . . OUTSIDE TEMPERATURE SENSOR . . . . . . rear of engine compartment behind RH fresh air cowl . . . . . . . . . . . . . . . . . . . . . . . . . 15-2
B14 . . EVAPORATOR TEMPERATURE SENSOR . RH side of LH footwell LH side of IHKA Plenum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-1

B16 . .
LEFT FRONT BRAKE PAD SENSOR . . . . . .
on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
08-3

B17 . . RIGHT REAR BRAKE PAD SENSOR . . . . . . behind RH rear wheel
B18 . . BRAKE FLUID LEVEL SWITCH . . . . . . . . . . . rear LH side of engine compartment top of brake fluid reservoir . . . . . . . . . . . . . . . . . 18-3




7100.0 COMPONENT LOCATION VIEWS
ELECTRICAL CONTROL MODULE LOCATIONS










A6000
ENGINE CONTROL
MODULE (DME)
A4
CHECK CONTROL
MODULE
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
A8500
TRANSMISSION
CONTROL MODULE
(EGS)X6000
X7000X8500
X1074X1075
X74
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
X1441
GROUND