heater BMW 318ti 1999 E36 Electrical Troubleshooting Manual

GROUND DISTRIBUTION
X7091 X710
1
.75 BR .75 BR
X6381
GROUND X13006







X7131B17
RIGHT REAR
BRAKE PAD
SENSOR
2.5 BRM2
FUEL PUMP
X3521S14
DRIVER’S DOOR
JAMB SWITCH
.5 BRX733
1E57
DRIVER’S SEAT
HEATER
.5 BRX732
1
4 BR E56
DRIVER’S SEAT-
BACK HEATERE44
RIGHT LICENSE
PLATE LIGHT
E43
LEFT LICENSE
PLATE LIGHT
X13007
.5 BR





0670.4-17
1 BR
X4002
1.5 BR 1.5 BR .5 BR
X18441N8
ANTENNA
AMPLIFIER AM/FM
2.5 BR
X13006
 

X7112S61y
LUGGAGE
COMPARTMENT
LIGHT SWITCH
.75 BR
X12923S302
CENTRAL LOCKING
SWITCH
.35 BR
.5 BRX1892
1N22
CD CHANGER
X3801E9
REAR DEFOGGER I
2.5 BR
X102711E32z
REAR CENTER
INTERIOR LIGHT
.5 BR LUGGAGE
COMPARTMENT
TELEPHONE
CONNECTOR
X4131H34
HIGH LEVEL STOP
LIGHT
.5 BR
X6036S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
2.5 BR
2.5 BRX840
X2751
2.5 BR

01
0 2
10 Test
9
8
7
6154
14
13
12
11
3
2
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 X13173GROUND
DISTRIBUTION
0670.4
1.5 RT/GE
4
X63
.5 RT/GE









5203.0 HEATED SEATS
X100176P90
FRONT POWER
DISTRIBUTION BOX F23
5A
LIGHT SWITCH
DETAILS
6300.0
X100158F4
15A
86 X63
FUSE DETAILS
0670.3
K9
UNLOADER RELAY,
TERMINAL 15
2 4
6
5X651
231
X651
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/RT .5 WS/GN
.5 RT/GE
X13129
2 2 X732X733
1 X7331 X732
E56
DRIVER’S SEAT-
BACK HEATER E57
DRIVER’S SEAT
HEATER
X13006X494X495
4 6
5X658
2 3 1 X658
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/GE .5 WS/BL
2 2 X741
X740
1 X7401 X741
E59
PASSENGER’S
SEATBACK HEATER E58
PASSENGER’S
SEAT HEATER
.5 BR .5 RT/GE .5 RT/GE.5 GR/RT .5 GR/RT.5 GR/RT
58g
FUSE DETAILS
0670.3
 

.5 BR .5 BR
.5 BR
X173
GROUND
DISTRIBUTION
0670.4
X494GROUND
DISTRIBUTION
0670.4
01
0 2
10 Test
9
8
7
6154
14
13
12
11
3
2
8730
86
85
X14121.5 RT/GE








6169.0 WINDSHIELD WASHER JET HEATERS
P90
FRONT POWER
DISTRIBUTION BOX F24
10A
X100178
X1149
X1052X1062
X1051X1061
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
.75 GN/SW
.75 BR.75 BR .75 GN/SW
X11481
X11482
S198
JET HEATER
THERMOSWITCH
.75 GN/SW
X173
E51
LEFT WASHER JET
HEATERE52
RIGHT WASHER
JET HEATER
 









6300.0-01
X13129
.5 GR/RT
X13176A56
TILT/SLIDE SUN-
ROOF CONTROL
ASSEMBLY .5 BR
6

LIGHT SWITCH DETAILS
 

3 X643S38
TILT/SLIDE SUN-
ROOF SWITCH
(SHD)
X6434
.5 GR/RT
X12923
S302
CENTRAL LOCKING
SWITCH2 X1292
.35 GR/RT
GROUND
DISTRIBUTION
0670.4
X13006X498
GROUND
DISTRIBUTION
0670.4
3 X316S126y
DRIVER’S POWER
WINDOW SWITCH
X3164
.5 GR/RT
3 X324S127y
PASSENGER’S
POWER WINDOW
SWITCH
X3244
.5 GR/RT
GROUND
DISTRIBUTION
0670.4
X494
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
X6514
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH 1 X651
.5 GR/RT
X6584
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH 1 X658
.5 GR/RT
GROUND
DISTRIBUTION
0670.4
3 X643S238
FOLDING SUN-
ROOF SWITCH
X6434
.35 GR/RT
X495




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION

E47 . .
RIGHT LUGGAGE COMPARTMENT
LIGHT ASSEMBLY . . . . . . . . . . . . . . . .
in RH rear side of luggage compartment




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
E57 . . DRIVER’S SEAT HEATER . . . . . . . . . . . under LH front seat

E58 . .
PASSENGER’S SEAT HEATER . . . . . . .
underside of RH front seat



E59 . . PASSENGER’S SEATBACK HEATER . in upper RH front seatback
E61 . . LEFT FRONT FOOTWELL LIGHT . . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
E62 . . RIGHT FRONT FOOTWELL LIGHT . . . right footwell



E82 . .



TRANSMISSION POSITION INDICA-
TOR LIGHT . . . . . . . . . . . . . . . . . . . . . .


center console






E97 . . LIGHT SWITCH ILLUMINATION . . . . . . LH side of dash
E98 . . FOG LIGHT SWITCH ILLUMINATION . on instrument cluster

E103 .
CLIMATE CONTROL SWITCH
ILLUMINATION . . . . . . . . . . . . . . . . . . .
center console




F97 . . . FUSIBLE LINK . . . . . . . . . . . . . . . . . . . . . . rear of engine compartment

G1 . . .

BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . .

rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


G5 . . . DRIVER’S AIR BAG GAS GENERATOR behind steering wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


G6 . . .

PASSENGER’S AIR BAG GAS
GENERATOR . . . . . . . . . . . . . . . . . . . . .
behind glove box above . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION
S30 . . BRAKE LIGHT SWITCH . . . . . . . . . . . . . LH footwell on clutch pedal support bracket behind LH footwell trim . . . . . 0

S31 . .

PARK BRAKE SWITCH . . . . . . . . . . . . . .

center console on rear of park brake lever . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S32 . . CLUTCH SWITCH . . . . . . . . . . . . . . . . . . LH footwell underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
S36y . DOUBLE TEMPERATURE SWITCH . . . front RH side of engine compartment near RH headlight assembly . . . . . . 0

S37 . .
GLOVE BOX LIGHT SWITCH . . . . . . . .
in glove box



S38 . .

TILT/SLIDE SUNROOF SWITCH (SHD)

in roof panel




S47 . . DRIVER’S DOOR LOCK SWITCH . . . . . LH front door in door at key lock assembly
S49 . . PASSENGER’S DOOR LOCK SWITCH RH front door in door at key lock assembly

S51 . .
DRIVER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
under driver’s seat







S53 . .



DRIVER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .


center console








S54 . .

PASSENGER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0



S56 . .

PASSENGER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
under passenger’s seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S58 . . DRIVER’S SEAT BELT SWITCH . . . . . . in LH front seat belt buckle
S59 . . PASSENGER’S SEAT BELT SWITCH . in RH front seat belt buckle

S61y .
LUGGAGE COMPARTMENT LIGHT
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
underside of luggage compartment lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



0



S75 . .
BLOWER SWITCH . . . . . . . . . . . . . . . . . .
center of dash





S77 . .

DRIVER’S MAKE–UP MIRROR
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
above LH sun visor in sun visor bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION

S78 . .
PASSENGER’S MAKE–UP MIRROR
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
above RH sun visor in sun visor bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S82y . FOG LIGHT SWITCH . . . . . . . . . . . . . . . . on instrument cluster

S126y

DRIVER’S POWER WINDOW SWITCH

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

0




S127y

PASSENGER’S POWER WINDOW
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S198 . JET HEATER THERMOSWITCH . . . . . . front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

S218 . REAR DEFOGGER SWITCH . . . . . . . . . center console

S235 .

STARTER IMMOBILIZATION SWITCH .

LH footwell underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0


S238 . FOLDING SUNROOF SWITCH . . . . . . . in roof panel
S302 . CENTRAL LOCKING SWITCH . . . . . . . . center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


S530 .
IHKS CONTROL SWITCH . . . . . . . . . . . .
center of dash



S531 . TEMPERATURE WHEEL SWITCH . . . . center of dash
S8503 PROGRAM SWITCH . . . . . . . . . . . . . . . . center console
S8507 KICK–DOWN SWITCH . . . . . . . . . . . . . . LH footwell

S8511
REVERSING LIGHT SWITCH . . . . . . . .
under front of car LH side of transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0

T6151 CYL. 1 IGNITION COIL . . . . . . . . . . . . . . RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
T6152 CYL. 2 IGNITION COIL . . . . . . . . . . . . . . RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
T6153 CYL. 3 IGNITION COIL . . . . . . . . . . . . . . RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

T6154

CYL. 4 IGNITION COIL . . . . . . . . . . . . . .

RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


X0 . . . . B+ JUNCTION POINT . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

S126y
DRIVER’S POWER
WINDOW SWITCH
S127y
PASSENGER’S
POWER WINDOW
SWITCHX316X324X8503
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
S18
HAZARD SWITCHX511
X516
X1178
Y19
SHIFT–LOCK




COMPONENT LOCATION VIEWS








 




S302
CENTRAL LOCKING
SWITCH

S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCHS56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH




COMPONENT LOCATION VIEWS






 



E35
DRIVER’S MAKE–
UP MIRROR LIGHT
X381
X401
S77
DRIVER’S MAKE–
UP MIRROR
SWITCH

E61
LEFT FRONT
FOOTWELL LIGHTX522X748X19527
D110
OBD II
CONNECTOR


H10
CHIME MODULE
S198
JET HEATER
THERMOSWITCH
X1148