horn BMW 318ti 1999 E36 Electrical Troubleshooting Manual

X1321H2
LEFT HORN


X7681
X10070
1
1 BR X128
1E26
LEFT FOG LIGHT
X18901M9
AUXILIARY FAN
MOTOR
4 BR.75 BR
E13
LEFT LOW BEAM
LIGHT
E15
LEFT PARK LIGHT
E11
LEFT HIGH BEAM
LIGHT
1 BR






.5 BR
X165
4 BR
X215
X1331H3
RIGHT HORN
1 BR
X1281
.5 BR
H7
LEFT FRONT TURN
LIGHT
X100711
1 BR
4 BR

GROUND DISTRIBUTION
GROUND X173








.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
S4
HORN SWITCH
 

A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
X18051X10013
.5 BR
X19527
4
D110
OBD II
CONNECTOR
X3312 .75 BRS2
IGNITION SWITCH
.5 BR
.75 BR







6133.0 HORN
P90
FRONT POWER
DISTRIBUTION BOX
F8
15A
X10015
16
FUSE DETAILS
0670.3
6
2.5 VI
2
2.5 VI
X223
POWER
DISTRIBUTION
0670.2 .5 VI
8 X56
30
2
1 VI/BL
2
H2
LEFT HORN
1
X1651 VI/BL
2
1H3
RIGHT HORN
86
85
.5 BR/RT
.5 BR/RT
1 X168
4X56
11 X32

K2
HORN RELAY
S4
HORN SWITCHS2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X33
2 X209
87
GROUND
DISTRIBUTION
0670.4
1 BR 1 BR
1 X32
GROUND
DISTRIBUTION
0670.4 .75 BR
X173
X10013
 

2
10
3
R
X132X133
X132X133
5

X13254
 










N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
ANTI–THEFT SYSTEM (ALPINE)
1 21
2 X371
.5 VI/GN/GE
1 X371
1 24
S14
DRIVER’S DOOR
JAMB SWITCH
1) DOOR OPEN
2) DOOR CLOSED 2 X352
.5 BR/GR/GE
X13006X10012
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
.5 BR/GR/GE
GROUND
DISTRIBUTION
0670.4 GROUND
DISTRIBUTION
0670.4 1 X352
2 X13025
26 X10018
F435A
FUSE DETAILS
0670.3P90
FRONT POWER
DISTRIBUTION BOX
X10244
1
2 X10250
F4715A
FUSE DETAILS
0670.3P95
AUXILIARY FUSE
BOX
X13168
9
17 X13253
.5 WS/RT/GE.5 WS/RT/GE
2 .5 BR/GR/GE
A2w
INSTRUMENT
CLUSTER23 .5 BR/GR/GE
X17
3 .5 BR/BL/GE
X13254
1 2X445
5
S13
PASSENGER’S
DOOR JAMB
SWITCH
1) DOOR OPEN
2) DOOR CLOSED 2 X351
.5 BR/BL/GE
X495
.5 BR/BL/GE
GROUND
DISTRIBUTION
0670.4 1 X351
S21w
ENGINE HOOD
SWITCH
1) HOOD OPEN
2) HOOD CLOSED
7
2 X372
1 SW/BL
1 X372
GROUND
DISTRIBUTION
0670.4
X13025
X165
H1w
ANTI–THEFT HORN
(ALPINE)
8 X14
1 SW/BL X443
13 X14
.5 BR/GR/GE




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION

G12 . .
DRIVER’S SIDE PYROTECHNICAL
BELT TENSIONER . . . . . . . . . . . . . . . .
driver’s seat right







G13 . .


PASSENGER’S SIDE
PYROTECHNICAL BELT
TENSIONER . . . . . . . . . . . . . . . . . . . . .

passenger’s seat left







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


0



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





G6509
GENERATOR . . . . . . . . . . . . . . . . . . . . . .
front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

H1w . . ANTI–THEFT HORN (ALPINE) . . . . . . . in RH front bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
H2 . . . LEFT HORN . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
H3 . . . RIGHT HORN . . . . . . . . . . . . . . . . . . . . . . front of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

H4 . . .

RIGHT FRONT TURN LIGHT . . . . . . . . .

RH 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 . . . . . . . . . .
LH front of vehicle





H8 . . .

RIGHT FRONT AUXILIARY TURN
LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . .
RH front of vehicle



H9 . . . LEFT FRONT AUXILIARY TURN LIGHT LH front of vehicle
H10 . . CHIME MODULE . . . . . . . . . . . . . . . . . . . above LH footwell dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
H24 . . LEFT BRAKE LIGHT . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY

H25 . .

LEFT TAIL LIGHT . . . . . . . . . . . . . . . . . . .

LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION
H58 . . LEFT FRONT LOW RANGE SPEAKER in lower LH A–pillar

H59 . .

LEFT FRONT HIGH RANGE SPEAKER

in upper LH front door




H66 . . SUBWOOFER . . . . . . . . . . . . . . . . . . . . . . at back of rear window shelf


H91 . .

RIGHT LUGGAGE COMPARTMENT
LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . .
right rear light assembly




I1008 . SEAT MAT . . . . . . . . . . . . . . . . . . . . . . . . . passenger’s seat

K2 . . . .
HORN RELAY . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . .

0


K4 . . . . BLOWER RELAY . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 
0

K9 . . . . UNLOADER RELAY, TERMINAL 15 . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
K13 . . REAR DEFOGGER RELAY . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 
0

K16 . .

HAZARD FLASHER RELAY . . . . . . . . . .

rear LH side of engine compartment in Power Distribution Box . . . . . . . . . .


0


K19 . . COMPRESSOR CONTROL RELAY . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 
0
K21 . . NORMAL SPEED RELAY . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 
0

K22 . .
HIGH SPEED RELAY . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . .

0



K45 . .

FOLDING SUNROOF COMFORT
RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . .
below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

K46 . . HIGH BEAM LIGHT RELAY . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
K46z . DAY LIGHT RELAY MODULE . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
K47 . . FRONT FOG LIGHT RELAY . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 
0


K48 . .

LOW BEAM LIGHT RELAY . . . . . . . . . . .

rear LH side of engine compartment in Power Distribution Box . . . . . . . . . .


0


K125 . ABS PUMP MOTOR RELAY, TIMED . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . 
0




COMPONENT LOCATION CHART







 

COMP.8500.0 7100.0LOCATION DESCRIPTION
P90 . . FRONT POWER DISTRIBUTION BOX rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


P95 . .

AUXILIARY FUSE BOX . . . . . . . . . . . . . .

below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0


P97 . . AUXILIARY FUSE BOX . . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
R11 . . BLOWER RESISTORS . . . . . . . . . . . . . . behind center of dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


R6252
THROTTLE POSITION SENSOR . . . . .
LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0


R6255z

THROTTLE POSITION SENSOR (ASC)

LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0


S2 . . . . IGNITION SWITCH . . . . . . . . . . . . . . . . . . LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


S3 . . . .

AUTOMATIC TRANSMISSION RANGE
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S4 . . . . HORN SWITCH . . . . . . . . . . . . . . . . . . . . . on steering wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

S5 . . . .

WIPER/WASHER SWITCH . . . . . . . . . . .

LH side of dash RH side of steering column above




S6 . . . . ASC SWITCH . . . . . . . . . . . . . . . . . . . . . . center console
S7 . . . . COMBINATION SWITCH . . . . . . . . . . . . . LH side of dash LH side of steering column above . . . . . . . . . . . . . . . . . . . . 0

S8 . . . .
LIGHT SWITCH . . . . . . . . . . . . . . . . . . . . .
LH side of dash



S13 . . PASSENGER’S DOOR JAMB SWITCH RH front door jamb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
S14 . . DRIVER’S DOOR JAMB SWITCH . . . . . front LH door pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
S17 . . MIRROR CONTROL SWITCH . . . . . . . . in upper LH front door

S18 . .

HAZARD SWITCH . . . . . . . . . . . . . . . . . .

below front of console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S21w . ENGINE HOOD SWITCH . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
S28 . . CRUISE CONTROL SWITCH . . . . . . . . . LH side of dash RH side of steering column above . . . . . . . . . . . . . . . . . . . . 0

S29 . .
BRAKE LIGHT SWITCH . . . . . . . . . . . . .
LH footwell on brake pedal support bracket behind LH footwell trim . . . . . .
0




M4
WASHER PUMP
X107
X163
X113X114X118
*
RH SIMILAR *

COMPONENT LOCATION VIEWS










E43
LEFT LICENSE
PLATE LIGHT
E44
RIGHT LICENSE
PLATE LIGHT
X709
X710
 



H1w
ANTI–THEFT HORN
(ALPINE)




K6300
ENGINE CONTROL
MODULE RELAY
K6301w
FUEL PUMP RELAY K2
HORN RELAY
K4
BLOWER RELAYK47
FRONT FOG LIGHT
RELAY
K16
HAZARD FLASHER
RELAYK48
LOW BEAM LIGHT
RELAYK21
NORMAL SPEED
RELAY K13
REAR DEFOGGER
RELAYK22
HIGH SPEED
RELAY
K19
COMPRESSOR
CONTROL RELAYK125
ABS PUMP MOTOR
RELAY, TIMED

COMPONENT LOCATION VIEWS









 



K6304
SECONDARY AIR
PUMP RELAY


Y6120
EVAPORATIVE
EMISSION VALVEX6120X6133X6163
B6
FUEL LEVEL
SENSOR
X1241
X10070X10071
H2
LEFT HORN
H3 *
RIGHT HORN




COMPONENT LOCATION VIEWS









 


* RH SIMILAR

Y6133
AIR PUMP
Y6163
SECONDARY AIR
PUMP VALVE