horn BMW 323i 1999 E36 Electrical Troubleshooting Manual

S36y
DOUBLE
TEMPERATURE
SWITCH
X113792

0670.4 GROUND DISTRIBUTION
.5 BRX10261
3B9
INTERMEDIATE
PRESSURE
SWITCH
GROUND X165



X872
X7691
1 BR X109
1E27
RIGHT FOG LIGHT S64
WASHER FLUID
LEVEL SWITCH
M7
HEADLIGHT/FOG
LIGHT WASHER
PUMP
.5 BR 2.5 BR
1 BR E12
RIGHT HIGH BEAM
LIGHT
E14
RIGHT LOW BEAM
LIGHT
S36
TEMPERATURE
SWITCH
.5 BR
4 BRX216






0670.4-01 .5 BR
H4
RIGHT FRONT
TURN LIGHT X1231


E19
RIGHT PARK LIGHT
X1371
X100741
X10075
1
1 BR
E8
RIGHT HEADLIGHT
ENGINE
H1w
ANTI–THEFT HORN
(ALPINE)
X3721
1 BR
4–CYLINDER

E11
LEFT HIGH BEAM
LIGHT
X100711

GROUND DISTRIBUTION
X1321H2
LEFT HORN
GROUND X165


X1331
X7681
1 BR X112
1E26
LEFT FOG LIGHT S63
ENGINE COOLANT
LEVEL SWITCH
X821M9
AUXILIARY FAN
MOTOR
1 BR 2.5 BR1 BR
E13
LEFT LOW BEAM
LIGHT
H3
RIGHT HORN
1 BR
4 BR






0670.4-00
X165


X215
X100701
1 BR
4 BR
.5 BR
H7
LEFT FRONT TURN
LIGHT
E15
LEFT PARK LIGHT
X1281
E7
LEFT HEADLIGHT
.5 BR
X189014–CYLINDER
X102131.5 BR
M3

GROUND DISTRIBUTION
GROUNDS X173 AND X494








.75 BR/VI
.5 BR X503
7S8
LIGHT SWITCH
.35 BRA836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
X295
S5
WIPER/WASHER
SWITCH
X10008
.5 BRX17
3A2w
INSTRUMENT
CLUSTER
0670.4-03
4 BR X16597
1
0670.4-02
4 BR 4 BR
X173





X321S4
HORN SWITCH
X3312
S2
IGNITION SWITCH
.75 BR.35 BR
.75 BR.5 BR
.75 BR
X494X6514S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
D110
OBD II
CONNECTOR4
X19527.5 BR.5 BR
.5 BR
E96
GEAR SHIFT LE-
VER INDICATOR
X1439
1
.35 BR
WIPER/WASHER
(LOW)
S64
WASHER FLUID
LEVEL SWITCH
4 X658
.5 BRS7
COMBINATION
SWITCHX10013

14 BCE15
E
 



C362
P90
FRONT POWER
DISTRIBUTION BOXF1430A
B
A104
BODY
ELECTRONICS
CONTROL
MODULE (ZKE IV)
M23
PASSENGER’S
WINDOW MOTOR
M99
RIGHT REAR
WINDOW MOTOR
S129z
RH REAR POWER
WINDOW SWITCH
START
1240.0
P90
FRONT POWER
DISTRIBUTION BOX F19
30A
A5
RELAY MODULE
15 F
8F54
M98
LEFT REAR
WINDOW MOTOR 3 2
20 C171671
13 11 10 1 912 S13
PASSENGER’S
DOOR JAMB
SWITCH
D
M21
DRIVER’S WINDOW
MOTOR
S14
DRIVER’S DOOR
JAMB SWITCH D
924782313
S126y
DRIVER’S POWER
WINDOW SWITCH
93
S40y
CENTRAL POWER
WINDOW SWITCH
LIGHT SWITCH
DETAILS
6300.0
89
12A
B
F3310A
128
5133.1-03
5133.1-01
5133.1-03
P90
FRONT POWER
DISTRIBUTION BOX
18
5133.1-04
6575.2-014
C17N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE) 6575.2-00
5133.1-045133.1-00
5133.1-05 5133.1-055133.1-05
X10182
X13252X13253X13254
X13255
A =
B
=
C =
D =
E
=
X13258
F =
D17C
F4715A
A7
K108
HORN RELAY
(ALPINE)
LIGHT SWITCH
DETAILS
6300.0
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
A
4E10
D
8 2D

S48
DRIVER’S DOOR
HANDLE SWITCH 6575.2-00
5133.1-02
S128z
LH REAR POWER
WINDOW SWITCH S127y
PASSENGER’S
POWER WINDOW
SWITCH 6 7
5133.1-006575.2-01 3234.0-01
6575.2-02
H1w
ANTI–THEFT HORN
(ALPINE)
5120.0
E48
DOOR LOCK
HEATER
3B
CENTRAL BODY ELECTRONICS (ZKE IV)









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

X173
GROUND
DISTRIBUTION
0670.4







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
1 VI/BL
2
1H3
RIGHT HORN
86
85
.5 BR/RT
.5 BR/RT
1 X168
4X56
11 X32

K2
HORN RELAY
S4
HORN SWITCH S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X33
X132
X132
X133
X133
2 X209
87
2
10
3
R
GROUND
DISTRIBUTION
0670.4 GROUND
DISTRIBUTION
0670.4
X165X165
1 X32
.35 BR
5
X10013










N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
ANTI–THEFT SYSTEM (ALPINE)
2 1
S21w
ENGINE HOOD
SWITCH
1) HOOD OPEN
2) HOOD CLOSED 2 X371
7
H1w
ANTI–THEFT HORN
(ALPINE) 2 X372
1 X372
7 X10182
.75 WS/GN
X165
GROUND
DISTRIBUTION
0670.4
2 X10250
F4715A
FUSE DETAILS
0670.3P95
AUXILIARY FUSE
BOX
1 X371
GROUND
DISTRIBUTION
0670.4
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
K108
HORN RELAY
(ALPINE)
45
X1019330 86
8587
6
1 RT/GR/GE
1 RT/GR/GE
1 SW/BL
8
X14
1 SW/BL
25
1 SW/BLX13025
1
1 RT/GR/GE
1 SW/BL1 X10244
X10012
.5 VI/GN/GE
1 SW/BL
WITH CCM WITHOUT CCM
X10193
X18784
2
1 SW/BL




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
G1 . . . BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment (318i)

G1 . . .
BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
in RH rear side of luggage compartment



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






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




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
H57 . . LEFT REAR LOW RANGE SPEAKER . . . . . under rear window shelf

H58 . .
LEFT FRONT LOW RANGE SPEAKER . . . .
in lower LH A–pillar



H59 . . LEFT FRONT HIGH RANGE SPEAKER . . . in upper LH front door
H66 . . SUBWOOFER . . . . . . . . . . . . . . . . . . . . . . . . . . behind trim panel
I1008 . SEAT MAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . in passenger’s seat area
K2 . . . . HORN RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2

K4 . . . .
BLOWER RELAY . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . .
19-2

K9 . . . . UNLOADER RELAY, TERMINAL 15 . . . . . . . behind LH footwell trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-3
K10 . . ABS RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-1
K13 . . REAR DEFOGGER RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-1
K16 . . HAZARD FLASHER RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2

K19 . .

COMPRESSOR CONTROL RELAY . . . . . . .

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

19-1


K21 . . NORMAL SPEED RELAY . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-3
K22 . . HIGH SPEED RELAY . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-3
K46 . . HIGH BEAM LIGHT RELAY . . . . . . . . . . . . . . LH side of dash behind instrument cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-2

K46z .
DAY LIGHT RELAY MODULE . . . . . . . . . . . . .
below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-2

K47 . . FRONT FOG LIGHT RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2
K48 . . LOW BEAM LIGHT RELAY . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2
K99 . . REAR WINDOW BLOWER RELAY . . . . . . . . behind glove box left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-2
K108 . HORN RELAY (ALPINE) . . . . . . . . . . . . . . . . . behind glove box left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-2

K117 . .

LUGGAGE COMPARTMENT LID RELAY . .

behind glove box right




K125 . ABS PUMP MOTOR RELAY, TIMED . . . . . . . rear LH side of engine compartment in Power Distribution Box (318i) . . . . . . . . . . . . 19-3




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION


P96 . .

AUXILIARY FUSE BOX IN LUGGAGE
COMPARTMENT . . . . . . . . . . . . . . . . . . . . .
in RH side of luggage compartment behind trim panel




P97 . . AUXILIARY FUSE BOX . . . . . . . . . . . . . . . . . . LH side of dash behind instrument cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-2

R11 . . .
BLOWER RESISTORS . . . . . . . . . . . . . . . . . .
behind center of dashboard left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29-1

R31

AUXILIARY THROTTLE POSITION
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LH side of engine





R6252

THROTTLE POSITION SENSOR . . . . . . . . .

LH side of engine near oil level stick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13-3


R6252 THROTTLE POSITION SENSOR . . . . . . . . . LH side of engine compartment (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-3
R6255z THROTTLE POSITION SENSOR (ASC) . . . LH side of engine compartment
R8554 RESISTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment

S2 . . . .
IGNITION SWITCH . . . . . . . . . . . . . . . . . . . . . .
RH side of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24-3



S3 . . . .

AUTOMATIC TRANSMISSION RANGE
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30-3

S4 . . . . HORN SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . top of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-2
S5 . . . . WIPER/WASHER SWITCH . . . . . . . . . . . . . . . LH side of dash RH side of steering column above
S6 . . . . ASC SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-2
S7 . . . . COMBINATION SWITCH . . . . . . . . . . . . . . . . . on steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-3

S8 . . . .
LIGHT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26-1

S10 . . FOG LIGHT SWITCH . . . . . . . . . . . . . . . . . . . . LH side of dash
S13 . . PASSENGER’S DOOR JAMB SWITCH . . . . in upper RH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-3
S14 . . DRIVER’S DOOR JAMB SWITCH . . . . . . . . . in upper LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-3
S17 . . MIRROR CONTROL SWITCH . . . . . . . . . . . . in upper LH front door

S18 . .

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

center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30-3