relay BMW Z3M COUPE 1999 E36 Electrical Troubleshooting Manual



COMPRESSOR CONTROL AND WATER SUPPLY
INTEGRATED HEATING– AND CLIMATE CONTROL











F165A
30
87
F397.5A
18 X10018
FUSE DETAILS
0670.3
.75 SW
2
1
2
.5 SW/BL
5 X51
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATUREK19
COMPRESSOR
CONTROL RELAY FUSE DETAILS
0670.3
6
4 X51
12 X10016
X10241
86
85
15

4 X20
74 X6000
A6000
ENGINE CONTROL
MODULE (DME) .5 SW/BL
1
P90
FRONT POWER
DISTRIBUTION BOX

M VERSIONS



AUXILIARY FAN











INTEGRATED HEATING– AND CLIMATE CONTROL
.5 SW/GN
X19022
1 B9
INTERMEDIATE
PRESSURE
SWITCH
1) ABOVE 18 BAR
PRESSURE
2) 15 BAR
PRESSURE30
30
K22
HIGH SPEED
RELAYK21
NORMAL SPEED
RELAY
X872 .5 SW/GR
2.5 SW/
BL
X190222 3
1M9
AUXILIARY FAN
MOTOR
4 X5366 X524
X127286
87 85
8786
85
X127
3
X165
X1001612
8
2X528
X15882
FUSE DETAILS
0670.3
X10027
GROUND
DISTRIBUTION
0670.4
.5 SW/GR
16
5
A6000
ENGINE CONTROL
MODULE (DME)
.5 SW/GR
B8y
PRESSURE SWITCH
1) PRESSURE BELOW 21 BAR
2) PRESSURE ABOVE 30 BAR
3) PRESSURE ABOVE 2.6 BAR
4) PRESSURE BELOW 1.5 BAR
S221
EVAPORATOR
CONTROLLER
.5 VI
1 VI1
4 X10054
X183505 .5 SW/GE
GROUND
DISTRIBUTION
0670.4
B9508
PRESSURE
SWITCH
.5 SW/GR 4 BL
4
2
X165
GROUND
DISTRIBUTION
0670.4
P90
FRONT POWER
DISTRIBUTION BOX
X1001612
FUSE DETAILS
0670.3
X166
15
2 1
X873
F165A
12 F48
40AF165A
P97
AUXILIARY FUSE
BOX
FUSE DETAILS
0670.3
0.5P90
FRONT POWER
DISTRIBUTION BOX
X6000
5
X205
X100546
X354
85b4 RT/GN
X53
4 RT/GN
.5 SW/GE
X699
2.5 BRNOT USED
X6949
.5 SW/GN .5 SW/GN
6450.6-05 1.5 GE
S36
TEMPERATURE
SWITCH
1) OPEN
2) ABOVE 99
DEGREES C
3) ABOVE 91
DEGREES C
4) OPEN 85b
.5 SW/RT
3 X20NOT USED
12
34
4 3
M VERSIONS



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION


H54z .

REAR RIGHT MID–HIGH RANGE
SPEAKER . . . . . . . . . . . . . . . . . . . . . . . . . .
in rear speaker box (ROADSTER) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

07-3




H54z .

REAR RIGHT MID–HIGH RANGE
SPEAKER . . . . . . . . . . . . . . . . . . . . . . . . . .
in roof panel (COUPE)




H55 . . LEFT FRONT MIDRANGE SPEAKER . . . . in upper LH front door
H55z . REAR LEFT MID–HIGH RANGE SPEAKER in rear speaker box (ROADSTER) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

H55z .

REAR LEFT MID–HIGH RANGE SPEAKER

in roof panel (COUPE)




H56 . . LEFT REAR HIGH RANGE SPEAKER . . . . in roof panel
H57 . . LEFT REAR LOW RANGE SPEAKER . . . . in rear speaker box
H58 . . LEFT FRONT LOW RANGE SPEAKER . . . in lower LH A–pillar

H59 . .
LEFT FRONT HIGH RANGE SPEAKER . .
in upper LH front door



H500 . REAR WOOFER . . . . . . . . . . . . . . . . . . . . . . . in rear speaker box (COUPE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46-1
H500 . REAR WOOFER . . . . . . . . . . . . . . . . . . . . . . . in rear speaker box (ROADSTER)
I1008 . SEAT MAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . in passenger’s seat area
K2 . . . . HORN RELAY . . . . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-2

K4 . . . .

BLOWER RELAY . . . . . . . . . . . . . . . . . . . . . .

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

09-2


K9 . . . . UNLOADER RELAY, TERMINAL 15 . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-3
K16 . . HAZARD FLASHER RELAY . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-2
K19 . . COMPRESSOR CONTROL RELAY . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-3

K21 . .
NORMAL SPEED RELAY . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . .
09-3

K22 . .

HIGH SPEED RELAY . . . . . . . . . . . . . . . . . . .

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

09-3


K33a . AIR CONDITIONING RELAY, MOTRONIC . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-2



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION
K46 . . HIGH BEAM LIGHT RELAY . . . . . . . . . . . . . footwell, driver’s side (USA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-1

K46z .
DAY LIGHT RELAY MODULE . . . . . . . . . . . .
footwell, driver’s side (CANADA)



K47 . . FRONT FOG LIGHT RELAY . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-2
K48 . . LOW BEAM LIGHT RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-2



K70 . .


CENTRAL LOCKING LUGGAGE
COMPARTMENT LID MOTOR RELAY
(ZV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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


08-2



K94 . . ENGINE CONTROL RELAY (ABS/ASC) . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-3
K95 . . VALVE RELAY (ABS/ASC) . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-3

K910 .
PASSENGER’S SEAT TILT ADJUST CUT–
OFF RELAY . . . . . . . . . . . . . . . . . . . . . . . . .
underside of RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-1




K911 . .

PASSENGER’S SEAT LENGTH ADJUST
CUT–OFF RELAY . . . . . . . . . . . . . . . . . . . .
underside of RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-1




K920 .

DRIVER’S SEAT TILT ADJUST CUT–OFF
RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
underside of LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-2




K921 .

DRIVER’S SEAT LENGTH ADJUST CUT–
OFF RELAY . . . . . . . . . . . . . . . . . . . . . . . . .
underside of LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-2


K6300 ENGINE CONTROL MODULE RELAY . . . . rear RH side of engine compartment in E–Box (M VERSIONS) . . . . . . . . . . . . . . . . . 00-1
K6300 ENGINE CONTROL MODULE RELAY . . . . rear RH side of engine compartment in E–Box (Z3 VERSIONS) . . . . . . . . . . . . . . . . 41-1

K6304

SECONDARY AIR PUMP RELAY . . . . . . . .

rear RH side of engine compartment in E–Box (M VERSIONS) . . . . . . . . . . . . . . . . .

00-1


K6304 SECONDARY AIR PUMP RELAY . . . . . . . . rear RH side of engine compartment in E–Box (Z3 VERSIONS) . . . . . . . . . . . . . . . . 41-1
K6326 UNLOADER RELAY, TERMINAL 15 . . . . . . rear RH side of engine compartment in E–Box (M VERSIONS) . . . . . . . . . . . . . . . . . 00-1
K6326 UNLOADER RELAY, TERMINAL 15 . . . . . . rear RH side of engine compartment in E–Box (Z3 VERSIONS) . . . . . . . . . . . . . . . . 41-1

K6301w
FUEL PUMP RELAY . . . . . . . . . . . . . . . . . . . .
below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19-1



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION
K6394 COMPRESSOR RELAY . . . . . . . . . . . . . . . . . TIRE INFLATION SYSTEM

K18363
CONVERTIBLE TOP RELAY I (CLOSE) . . .
in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25-3

K18364 CONVERTIBLE TOP RELAY II (OPEN) . . . in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-3
L1 . . . . EWS TOROIDAL COIL . . . . . . . . . . . . . . . . . at ignition switch
M2 . . . FUEL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . in fuel tank
M3 . . . WIPER MOTOR . . . . . . . . . . . . . . . . . . . . . . . rear of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-3

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



M7 . . . HEADLIGHT/FOG LIGHT WASHER PUMP front RH side of engine compartment on washer fluid reservoir
M9 . . . AUXILIARY FAN MOTOR . . . . . . . . . . . . . . . behind front grille
M12 . . DRIVER’S DOOR LOCK MOTOR . . . . . . . . driver’s door
M13 . . PASSENGER’S DOOR LOCK MOTOR . . . passenger’s door

M17 . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .

rear side of luggage compartment behind trim panel (ROADSTER)





M17 . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .

in lift gate (Z3 COUPE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37-2



M17 . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .

in lift gate (M COUPE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46-3



M21 . .
DRIVER’S WINDOW MOTOR . . . . . . . . . . .
in driver’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17-2

M23 . . PASSENGER’S WINDOW MOTOR . . . . . . . in passenger’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-3
M24y . TILT SUNROOF MOTOR . . . . . . . . . . . . . . . in roof panel


M25 . .

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

08-3


M30 . . BLOWER MOTOR . . . . . . . . . . . . . . . . . . . . . rear of engine compartment



A35y
BOARD
COMPUTER
(BC – LOW)
X10245
X18349
7100.0 COMPONENT LOCATION VIEWS
ELECTRICAL CONTROL MODULE LOCATIONS












A6000
ENGINE CONTROL
MODULE (DME)
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
X782
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY K6300
ENGINE CONTROL
MODULE RELAYK6326
UNLOADER RELAY,
TERMINAL 15
X1175



K6304
SECONDARY AIR
PUMP RELAY

X6000

A52
SLIP CONTROL
MODULE
(ABS/ASC)
X22



M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS)
COMPONENT LOCATION VIEWS










K70
CENTRAL LOCKING
LUGGAGE
COMPARTMENT
LID MOTOR RELAY
(ZV)X20
X2213
Y1w
ABS HYDRAULIC
UNIT
M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)


X6031
X8533
X70



B18
BRAKE FLUID
LEVEL SWITCH
COMPONENT LOCATION VIEWS










K2
HORN RELAYX111
X372
H1w
ANTI–THEFT HORN
(ALPINE)
K4
BLOWER RELAY
K16
HAZARD FLASHER
RELAYK47
FRONT FOG LIGHT
RELAY
K48
LOW BEAM LIGHT
RELAYK9
UNLOADER RELAY,
TERMINAL 15
K19
COMPRESSOR
CONTROL RELAY
K21
NORMAL SPEED
RELAYK22
HIGH SPEED
RELAY
K94
ENGINE CONTROL
RELAY (ABS/ASC)
K95
VALVE RELAY
(ABS/ASC)

K33a
AIR CONDITIONING
RELAY, MOTRONIC



M51
DRIVER’S SEAT
MOVEMENT
MOTOR
X275
X726X728X733
COMPONENT LOCATION VIEWS










H55z
REAR LEFT MID–
HIGH RANGE
SPEAKER
K920
DRIVER’S SEAT
TILT ADJUST CUT–
OFF RELAY
X778
X9991X10214
M52
DRIVER’S SEAT
HEIGHT MOTOR


X537
K921
DRIVER’S SEAT
LENGTH ADJUST
CUT–OFF RELAY


K910
PASSENGER’S
SEAT TILT ADJUST
CUT–OFF RELAY


COMPONENT LOCATION VIEWS









K911
PASSENGER’S
SEAT LENGTH AD-
JUST CUT–OFF
RELAY
A113
SEAT OCCUPANCY
DETECTOR
X279
X737X740X10218X91009


X734X9995X10215X18518


B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
X770