belt BMW 318is 1998 E36 Electrical Troubleshooting Manual




INDEX








OXYGEN SENSOR II
(BEHIND CATALYTIC CONVERTER), B62202 1210.17-04. . . . . .
OXYGEN SENSOR II
(IN FRONT OF CATALYTIC CONVERTER), B62201 1210.17-04.
PARK BRAKE SWITCH, S31 6211.0-00. . . . . . . . . . . . . . . . . . . . . . . .
PARK LIGHT, LEFT, E15 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARK LIGHT, RIGHT, E19 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
PARK VENTILATION RELAY, K450 6412.. . . . . . . . . . . . . . . . . . . . . .
PARK VENTILATION RELAY, K450 6412.10-01. . . . . . . . . . . . . . . . .
PARK VENTILATION WITH HR 6412.10. . . . . . . . . . . . . . . . . . . . . . . .
PARK VENTILATION WITH IHKA E36 6412.20. . . . . . . . . . . . . . . . . .
PARK/TAIL/UNDERHOOD LIGHTS 6314.0. . . . . . . . . . . . . . . . . . . . .
POWER DISTRIBUTION 0670.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER DISTRIBUTION BOX, FRONT, P90 0670.2-00. . . . . . . . . .
POWER DISTRIBUTION CHART 0670.0. . . . . . . . . . . . . . . . . . . . . . .
POWER MIRRORS 5116.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER SEATS 5200.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER TILT/SLIDE SUNROOF (SHD) 5410.1. . . . . . . . . . . . . . . . . .
POWER WINDOW SWITCH, DRIVER’S, S126y 5133.1-01. . . . . . .
POWER WINDOW SWITCH, PASSENGER’S,
S127y 5133.1-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER WINDOWS (FH) 5133.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE SWITCH, B8y 6450.7. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE SWITCH, B9508 6450.7. . . . . . . . . . . . . . . . . . . . . . . . . . .
PROGRAM SWITCH, S8503 2460.. . . . . . . . . . . . . . . . . . . . . . . . . . . .
PYROTECHNICAL BELT TENSIONER,
DRIVER’S SIDE, G12 3234.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PYROTECHNICAL BELT TENSIONER,
PASSENGER’S SIDE, G13 3234.0-00. . . . . . . . . . . . . . . . . . . . . . . . RADIO, N9 6510.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIO, N9 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIO/HIFI 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIO/STEREO 6510.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REAR DOOR (CONSOLE) POWER WINDOW SWITCH,
LH, S128y 5133.1-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REAR DOOR (CONSOLE) POWER WINDOW SWITCH,
RH, S129y 5133.1-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REAR DOOR POWER WINDOW SWITCH (DOOR), LH,
S41y 5133.1-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REAR DOOR POWER WINDOW SWITCH (DOOR), RH,
S42y 5133.1-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REAR POWER WINDOW SWITCH, LH, S128z 5133.1-03. . . . . . . .
REAR POWER WINDOW SWITCH, RH, S129z 5133.1-03. . . . . . . .
RECIRCULATION FLAP MOTOR, M40 6450.7-03. . . . . . . . . . . . . . .
RECIRCULATION FLAP MOTOR, REAR, M46 6450.7-03. . . . . . . .
REGULATION FLAP MOTOR, M44 6450.7-03. . . . . . . . . . . . . . . . . .
RELAY MODULE, A5 5133.1-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REVERSING LIGHT SWITCH, S8511 6322.0-00. . . . . . . . . . . . . . . .
ROLLOVER PROTECTION ACTUATOR, LH, Y85 5430.1-03. . . . . .
ROLLOVER PROTECTION ACTUATOR, RH, Y86 5430.1-03. . . . .
ROLLOVER SENSOR, N24 5430.1-03. . . . . . . . . . . . . . . . . . . . . . . . .
SEAT BELT SWITCH, DRIVER’S, S58 3234.0-01. . . . . . . . . . . . . . . .
SEAT BELT SWITCH, DRIVER’S, S58 3234.0-02. . . . . . . . . . . . . . . .
SEAT BELT SWITCH, PASSENGER’S, S59 3234.0-01. . . . . . . . . . .
SEAT BELT SWITCH, PASSENGER’S, S59 3234.0-02. . . . . . . . . . .
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 5200.0-00. . . . .
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 5200.0-01.

FUSES 40, 41, AND 42
 $%%FUSE DETAILS




X6035
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
5200.0 2.5 RT/GEF40
30A
20
X536
K22
HIGH SPEED
RELAY
6450.7F41
30A
22
X1421
X2752 2.5 RT/GE
2.5 RT/GE4 RT/GN
2.5 RT/GE




%%&

X18195
X130442
N24
ROLLOVER
SENSOR
5430.1 .75 VI/GN
X745
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
3234.0
F427.5A
24
X1427
.5 VI/GN
X1263
.5 VI/GNP90
FRONT POWER
DISTRIBUTION BOX
X6523
S52
DRIVER’S SEAT
LUMBAR SWITCH
5200.0 2.5 RT/GE323i, 328i
M3
X18862
B79
PASSENGER’S
SIDE IMPACT
SENSOR
3234.0 .35 VI/GN
X18852
B78
DRIVER’S SIDE
IMPACT SENSOR
3234.0 .35 VI/GN
X185184
S59
PASSENGER’S
SEAT BELT SWITCH
3234.0 .35 VI/GN
.35 VI/GN.5 VI/GN .5 VI/GN
X10018
X102181
A113
SEAT OCCUPANCY
DETECTOR
3234.0X7784
S58
DRIVER’S SEAT
BELT SWITCH
3234.0

6–SPEAKER
SYSTEM1.5 BR
GROUND DISTRIBUTION
GROUNDS X13009, X13016, AND X18723
 $%%




%%&


1 BR/OR
X10759A4
CHECK CONTROL
MODULE
.5 BR/OR
X13009





X6053A18
HIFI AMPLIFIERX18126
15N9
RADIO
2.5 BR
X13016
2.5 BRX824
X13011
X130253N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
.75 BR/OR
1.5 BR
X12401S125
LEFT REAR DOOR
CONTACTX12391S124
RIGHT REAR DOOR
CONTACT
X102182A113
SEAT OCCUPANCY
DETECTOR
.5 BR/OR.5 BR/OR .5 BR/OR
X7781S58
DRIVER’S SEAT
BELT SWITCH
X185181S59
PASSENGER’S
SEAT BELT SWITCH
.35 BR/OR .35 BR/OR
B78
DRIVER’S SIDE
IMPACT SENSOR
X18851
B79
PASSENGER’S
SIDE IMPACT
SENSOR
X18861.35 BR/OR
.35 BR/OR
X18723
CONVERTIBLE

3234.0 SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) $%%


%%&



X1614
X1426
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
FUSE DETAILS
0670.3
A2w
INSTRUMENT
CLUSTER
10) AIR BAG X1623
.5 BL/SW
P90
FRONT POWER
DISTRIBUTION BOX
.5 GE/SW.5 GE/BR
1 X7832
G5
DRIVER’S AIR BAG
GAS GENERATOR
.5 BR.5 BLC101
CONTACT RING
DATA LINK
0670.5
.5 WS/VI X10017
14
TXD
79
12 X9997
.5 BL/SW
G6
PASSENGER’S AIR
BAG GAS
GENERATOR
13 14
.5 BL/SW .5 BL/BRX74
X745
FUSE DETAILS
0670.3
24F42
7.5A
10 11F275A
31
10
G13
PASSENGER’S
SIDE
PYROTECHNICAL
BELT TENSIONER
34
.5 BL/RT .5 BL/BR
G12
DRIVER’S SIDE
PYROTECHNICAL
BELT TENSIONER
12
.5 GE/BR .5 GE/RT
.5 GE/BR .5 GE/RT1 X11290
21 X78221 X112892
12 X1021612 X10217
.5 BL/RT .5 BL/BRX10018

SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) $%%


%%&


F427.5A
8
A2w
INSTRUMENT
CLUSTER
P90
FRONT POWER
DISTRIBUTION BOXF275A
14
.35 VI/GN14 X17
X10017
FUSE DETAILS
0670.3
23 X16
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
.5 BL/RT/WS.5 BL/VI/GE
X1315
24X10018
FUSE DETAILS
0670.3
43 X18518
1 X18518
S59
PASSENGER’S
SEAT BELT SWITCH
3
12X74
.5 BL/GN/GE
4X7782
S58
DRIVER’S SEAT
BELT SWITCH
1X778
GROUND
DISTRIBUTION
0670.4
X13009
.35 VI/GN
GROUND
DISTRIBUTION
0670.4
.5 BL/VI/GE

 $%% 
%%&
A4
6211.0-04
F235A
K16
HAZARD FLASHER
RELAY S7
COMBINATION
SWITCHF315A
P90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER F27
5A
TXD
RXD 12
A
11
18
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR 6211.0-021
B10
VEHICLE SPEED
SENSOR 6211.0-04G6509
GENERATOR
5B
D+ C
S2
IGNITION SWITCH 6211.0-00F46
15AF1515A NSW
2223168B
6312.0
16312.0342A
LIGHT SWITCH
DETAILS
6300.0
D100
DATA LINK
CONNECTOR #&:
15
A96
CONVERTIBLE TOP
CONTROL MODULEA18
HIFI AMPLIFIER 6211.0-03 6211.0-03
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
A115
AUTOMATIC
CLIMATE CONTROL
MODULE 6211.0-03
6211.0-03N9
RADIO 6211.0-03
N4
ON–BOARD
COMPUTER 6211.0-05
2102426 B
17
B6
FUEL LEVEL
SENSOR 6211.0-04B25y
FUEL TANK
SENSOR II
34617
S31
PARK BRAKE
SWITCH 6211.0-0018
B18
BRAKE FLUID
LEVEL SWITCH 6211.0-0019
B6231
OIL PRESSURE
SWITCH 6211.0-009
H10
CHIME MODULE 6211.0-0519
B17
RIGHT REAR
BRAKE PAD
SENSOR B16
LEFT FRONT
BRAKE PAD
SENSOR
21
A202
ABS CONTROL
MODULE/HY-
DRAULIC UNIT243
N10
MULTI–FUNCTION
CLOCK 6211.0-03
AA
6211.0-01 6211.0-01
6211.0-01A
B
A= X16B= X17C= X271
S14
DRIVER’S DOOR
JAMB SWITCH
23
6211.0-05
S2
IGNITION SWITCH 6211.0-05
22B14
S58
DRIVER’S SEAT
BELT SWITCH 6211.0-01B
20 21 16A6000
ENGINE CONTROL
MODULE (DME)
6211.0-05 6211.0-04
6211.0-02
15
6211.0-01
B
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM
CONTROL
MODULE 6211.0-00
14
1AB
6211.0-04
B5
N24
ROLLOVER
SENSOR 6211.0-05 B
10
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 6211.0-01
CONVERTIBLE
12
A52
SLIP CONTROL
MODULE
(ABS/ASC) 6211.0-01
6211.0-0413
B6238
OIL TEMPERATURE
SENSOR
6211.0-00
13
AAB
A51
WIPER/WASHER
MODULE 6211.0-03A18
HIFI AMPLIFIER 6211.0-03
A64
WIPER/WASHER
MODULE (LOW II)
TWO–DOOR
FOUR–DOOR
1230.0
A7000
TRANSMISSION
CONTROL MODULE
(EGS)CONVERTIBLE
WITH TOP HIFI
11
WITH ABS4–CYLINDER
WITH ASC
A52
SLIP CONTROL
MODULE
(ABS/ASC)
6211.0-00
6–CYLINDER
WITH ASC
6211.0 INSTRUMENT CLUSTER



 
%%&
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)
controlSlip control module (ABS) (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
15ES/A 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 (with ASC)
21ESlip control system warning lamp (ABS)
controlSlip control module (ABS/ASC) (323i, 328i,
M3)
ABS control module (ABS)
22EIgnition key warning/audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch

42
X7000
6–CYLINDER
WITH ASC
.35 GR/SW/GE .5 GR/
SW/GE
25
INDICATORS

 $%%


%%&


INSTRUMENT CLUSTER
3
GROUND
DISTRIBUTION
0670.4
A2w
INSTRUMENT
CLUSTER
12) FUEL RESERVE
HEADLIGHTS/FOG
LIGHTS
6312.0
TURN/HAZARD
LIGHTS
6313.0
LIGHT SWITCH
DETAILS
6300.0
.75 GE/BR8.35 WSX161.5 BL/GN
4.5 BL/BR3X171.5 GR/RTX162
519 X16
.5 GR/BR.5 GR/BR
A8500
TRANSMISSION
CONTROL MODULE
(EGS)2 X713X1322 .5 GE
X8500X6925
2X118
1 X713
.5 GE
B16
LEFT FRONT
BRAKE PAD
SENSOR
GROUND
DISTRIBUTION
0670.4 .5 GE
B17
RIGHT REAR
BRAKE PAD
SENSOR
12
23
X13006
31
F275A
P90
FRONT POWER
DISTRIBUTION BOX
31
14 X10017
FUSE DETAILS
0670.3
2
1 X778
15 X13
.5 BL/VI/GE
14
.5 BL/VI/GE
S58
DRIVER’S SEAT
BELT SWITCH
1) BELT
UNBUCKLED
2) BELT BUCKLED
GROUND
DISTRIBUTION
0670.4
X173
N4
ON–BOARD
COMPUTER
X16
.35 BL/VI/WS
24 X17
15 X1070
N10
MULTI–FUNCTION
CLOCK
X13009
.5 WS/RT
3 X778
.5 BL/GN/GE
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
21 X17
A202
ABS CONTROL
MODULE/HY-
DRAULIC UNIT 16 X11394
GROUND
DISTRIBUTION
0670.4
X173
X1712
.5 BL/BR .5 BL/BR
A52
SLIP CONTROL
MODULE
(ABS/ASC)
X10100SLIP CONTROL
(ABS/ASC)
3450.1
.5 BL/BR
WITH ABS X16
X1181
A35
ON–BOARD
DISPLAY
323i 328i, M3
X117144
25
A52
SLIP CONTROL
MODULE
(ABS/ASC) 40 X1170
X1170318is 4–CYLINDER
WITH ASCSUPPLEMENTAL
RESTRAINT
SYSTEM (AIR BAG)
3234.0




COMPONENT LOCATION CHART
; 






 $%%%%&
COMP.8500.0 7100.0LOCATION DESCRIPTION
E48 DOOR LOCK HEATER . . . . . . . . . . . . . . . . . . LH front door

E51
LEFT WASHER JET HEATER . . . . . . . . . . . .
on underside of engine hood



E52 RIGHT WASHER JET HEATER . . . . . . . . . . . on underside of engine hood
E56 . . DRIVER’S SEATBACK HEATER . . . . . . . . . . in upper LH front seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-3
E57 . . DRIVER’S SEAT HEATER . . . . . . . . . . . . . . . . under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-3
E58 . . PASSENGER’S SEAT HEATER . . . . . . . . . . . underside of RH front seat

E59 . .
PASSENGER’S SEATBACK HEATER . . . . .
in upper RH front seatback





E82 . .

TRANSMISSION POSITION INDICATOR
LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console



E96 GEAR SHIFT LEVER INDICATOR . . . . . . . . center console
E99 . . HARD TOP CONNECTOR 1 . . . . . . . . . . . . . . in convertible top compartment
E100y HARD TOP CONNECTOR 2 . . . . . . . . . . . . . . in convertible top compartment
E101 . LEFT LUGGAGE COMPARTMENT LIGHT . in LH rear side of luggage compartment (Convertible)

E102 .

RIGHT LUGGAGE COMPARTMENT LIGHT

in RH rear side of luggage compartment (Convertible)




F97 . . . FUSIBLE LINK . . . . . . . . . . . . . . . . . . . . . . . . . . in RH side of luggage compartment
G1 . . . BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . in RH rear side of luggage compartment
G1 . . . BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment (318is)

G5 . . .
DRIVER’S AIR BAG GAS GENERATOR . . .
behind steering wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24-2



G6 . . .

PASSENGER’S AIR BAG GAS
GENERATOR . . . . . . . . . . . . . . . . . . . . . . . .
RH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27-2

G12

DRIVER’S SIDE PYROTECHNICAL BELT
TENSIONER . . . . . . . . . . . . . . . . . . . . . . . . .

driver’s seat right




COMPONENT LOCATION CHART
; 






 $%%%%&
COMP.8500.0 7100.0LOCATION DESCRIPTION


G13

PASSENGER’S SIDE PYROTECHNICAL
BELT TENSIONER . . . . . . . . . . . . . . . . . . . .
passenger’s seat left




G14 . . LEFT SIDE AIR BAG GAS GENERATOR . . in driver’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-3

G15 . .
RIGHT SIDE AIR BAG GAS GENERATOR .
in passenger’s door



G6430

B+ JUMP START JUNCTION POINT . . . . . .

rear RH side of engine compartment back of RH side shock tower . . . . . . . . . . . . . .

05-1


G6509 GENERATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-2
H2 . . . LEFT HORN . . . . . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment
H3 . . . RIGHT HORN . . . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment

H4 . . .
RIGHT FRONT TURN LIGHT . . . . . . . . . . . . .
front of vehicle



H5 . . . RIGHT REAR TURN LIGHT . . . . . . . . . . . . . . RH side of body rear end
H6 . . . LEFT REAR TURN LIGHT . . . . . . . . . . . . . . . LH side of body rear end
H7 . . . LEFT FRONT TURN LIGHT . . . . . . . . . . . . . . front of vehicle
H8 . . . RIGHT FRONT AUXILIARY TURN LIGHT . . front of vehicle

H9 . . .

LEFT FRONT AUXILIARY TURN LIGHT . . .

front of vehicle




H10 . . CHIME MODULE . . . . . . . . . . . . . . . . . . . . . . . below LH side of dash
H1w . . ANTI–THEFT HORN (ALPINE) . . . . . . . . . . . front RH side of engine compartment
H24 . . LEFT BRAKE LIGHT . . . . . . . . . . . . . . . . . . . . LH side of body rear end

H25 . .
LEFT TAIL LIGHT . . . . . . . . . . . . . . . . . . . . . . .
LH side of body rear end



H26 . . LEFT REAR FOG LIGHT . . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H27 . . LEFT BACK UP LIGHT . . . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H28 . . RIGHT BACK UP LIGHT . . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H30 . . RIGHT TAIL LIGHT . . . . . . . . . . . . . . . . . . . . . . RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY