Unloader relay BMW 318ti 1998 E36 Electrical Troubleshooting Manual

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





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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
X651S53
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




COMPONENT LOCATION CHART
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COMP.8500.0 7100.0LOCATION DESCRIPTION
H56 . . LEFT REAR HIGH RANGE SPEAKER . under rear window shelf

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 . . . . . . . . . . . . . . . . . . . . . .
at back of rear window shelf





H91 . .



RIGHT LUGGAGE COMPARTMENT
LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . .


in luggage compartment right






I1008 . SEAT MAT . . . . . . . . . . . . . . . . . . . . . . . . . in passenger’s seat area
K2 . . . . HORN RELAY . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-2
K4 . . . . BLOWER RELAY . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-2

K9 . . . .

UNLOADER RELAY, TERMINAL 15 . . .

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

20-1


K13 . . REAR DEFOGGER RELAY . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-1
K16 . . HAZARD FLASHER RELAY . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-2

K19 . .
COMPRESSOR CONTROL RELAY . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . .
12-1

K21 . . NORMAL SPEED RELAY . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-1
K22 . . HIGH SPEED RELAY . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-1

K45 . .
FOLDING SUNROOF COMFORT
RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . .
below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18-1


K46 . . HIGH BEAM LIGHT RELAY . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-1

K46z .

DAY LIGHT RELAY MODULE . . . . . . . .

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

18-1


K47 . . FRONT FOG LIGHT RELAY . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-2




COMPONENT LOCATION CHART
:





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COMP.8500.0 7100.0LOCATION DESCRIPTION
K48 . . LOW BEAM LIGHT RELAY . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-2

K125 .

ABS PUMP MOTOR RELAY, TIMED . . .

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

12-1


K6300 ENGINE CONTROL MODULE RELAY . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-3
K6301w FUEL PUMP RELAY . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-3

K6304
SECONDARY AIR PUMP RELAY . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . .
12-3

K6326

UNLOADER RELAY, TERMINAL 15 . . .

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

27-1


M2 . . . FUEL PUMP . . . . . . . . . . . . . . . . . . . . . . . . below RH side of rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-2
M3 . . . WIPER MOTOR . . . . . . . . . . . . . . . . . . . . rear of engine compartment below center of cowl . . . . . . . . . . . . . . . . . . . . . 09-1

M4 . . .
WASHER PUMP . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment on washer fluid reservoir . . . . . . . . . .
07-3



M7 . . .

HEADLIGHT/FOG LIGHT WASHER
PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment on washer fluid reservoir . . . . . . . . . .

14-3


M9 . . . AUXILIARY FAN MOTOR . . . . . . . . . . . . behind front grille behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
M12 . . DRIVER’S DOOR LOCK MOTOR . . . . . in lower LH front door behind trim panel

M13 . .
PASSENGER’S DOOR LOCK MOTOR
in lower RH side of front door behind trim panel



M16 . . GAS FILLER LOCK MOTOR . . . . . . . . . in RH rear side of luggage compartment behind trim panel . . . . . . . . . . . . . 29-1


M17 . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . .
rear side of luggage compartment behind trim panel . . . . . . . . . . . . . . . . . . .

23-1


M21 . . DRIVER’S WINDOW MOTOR . . . . . . . . LH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-1
M23 . . PASSENGER’S WINDOW MOTOR . . . . RH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-2

M24z .

FOLDING SUNROOF MOTOR . . . . . . . .

in roof panel






M25 . .

CRUISE CONTROL ACTUATOR
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . .
front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

09-3

X322
P95
AUXILIARY FUSE
BOX K9
UNLOADER RELAY,
TERMINAL 15
X32
X33X35X72X295
X740X741X10218




COMPONENT LOCATION VIEWS




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X10250






COMPONENT LOCATION VIEWS




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M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS)
X10094
K6326
UNLOADER RELAY,
TERMINAL 15
X6326




X6255
R6255z
THROTTLE
POSITION SENSOR
(ASC)