brake BMW Z3M COUPE 2000 E36 Electrical Troubleshooting Manual

13X1170
4 X13146
.5 BL/RT






 








6325.0 BRAKE LIGHTS
.5 BL/RT
10 X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
21
X181
X10018
F4615A
FUSE DETAILS
0670.3
2P90
FRONT POWER
DISTRIBUTION BOX
32
1
1.5 BL/RT
1.5 BL/RTS30
BRAKE LIGHT SWITCH
1) BRAKE PEDAL RE-
LEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED (TEST)
4) BRAKE PEDAL RE-
LEASED (NORMAL)
X13006
GROUND
DISTRIBUTION
0670.4 X318
X318
E17
RIGHT REAR LIGHT
ASSEMBLY X319
X319
E16
LEFT REAR LIGHT
ASSEMBLY H24
LEFT BRAKE LIGHTH31
RIGHT BRAKE
LIGHT
5 1 7H34
HIGH LEVEL STOP
LIGHT X4132
X4131 .75 BL/RT
2 3
.75 BL/RT
34
34 X78
X78
A52
SLIP CONTROL
MODULE
(ABS/ASC) .75 BL/RT
2 X6031
.35 BL/RT
K18363
CONVERTIBLE TOP
RELAY I (CLOSE) .5 BL/RTK18364
CONVERTIBLE TOP
RELAY II (OPEN)
X1215
.5 BL/RT .5 BL/RT
8 X18363
8 X18364
Z3 VERSIONS
X10016
F137.5A
FUSE DETAILS
0670.3 6
28 X60004
A6000
ENGINE CONTROL
MODULE (DME) .35 RT/GE40X1746A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC) .75 BL/RT
.75 BL/RT
WITH DSC WITH ASC
24 .5 BL/RT

2
48X1175
4 X13146
.5 BL/RT


S32
CLUTCH SWITCH
1) NORMAL STATE
2) CLUTCH PEDAL
DEPRESSED




 







BRAKE LIGHTS
X1211
.75 BL/RT
21
X181
X10018
F4615A
FUSE DETAILS
0670.3
2P90
FRONT POWER
DISTRIBUTION BOX
32
1
1.5 BL/RT
1.5 BL/RTS30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
X13006
GROUND
DISTRIBUTION
0670.4 X318
X318
E17
RIGHT REAR LIGHT
ASSEMBLY X319
X319
E16
LEFT REAR LIGHT
ASSEMBLY H24
LEFT BRAKE LIGHTH31
RIGHT BRAKE
LIGHT
5 1 7
.75 BL/RT
2 3
.75 BL/RT
18 X22A8
CRUISE CONTROL
MODULE
(TEMPOMAT) .5 BL/BR
X1212
CRUISE CONTROL
(TEMPOMAT)
6571.0
X197
21
.75 BL/BR
.75 BL/BR
X78
X78
A52
SLIP CONTROL
MODULE
(ABS/ASC) .75 BL/RT
K18363
CONVERTIBLE TOP
RELAY I (CLOSE) .5 BL/RTK18364
CONVERTIBLE TOP
RELAY II (OPEN)
X1215
.5 BL/RT .5 BL/RT
8 X18363
8 X18364
M VERSIONS
H34
HIGH LEVEL STOP
LIGHT X4133
X4131
COUPE
ROADSTER

CRUISE CONTROL (TEMPOMAT)













16
2X17
INSTRUMENT
CLUSTER
6211.0
.5 SW/WS
R
TACH315V (15)
17 11
14
X188
.5 SW/WS
31
2A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT
.5 SW/BL
7
31
5
4 .5 GE/WS
1
6
2 X70
X703.5 SW/GN.5 GE/VI
21M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT) A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
18 X22
.75 BL/BR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) .5 BL/BRGROUND
DISTRIBUTION
0670.4
P90
FRONT POWER
DISTRIBUTION BOX F46
15A
32
X7821 X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED X10018
FUSE DETAILS
0670.3
X10010
X22
1.5 BL/RT
.5 SW/BR
19
GROUND
DISTRIBUTION
0670.4
X9633
X197
.75 BL/BR
X181
BRAKE
LIGHTS
6325.0
1 2
M VERSIONS
X12121 X121
S32
CLUTCH SWITCH
1) NORMAL STATE
2) CLUTCH PEDAL
DEPRESSED
12 .75 BL/RT

14 16












19 10
A6000
ENGINE CONTROL
MODULE (DME) .5 BR


CRUISE CONTROL (TEMPOMAT)
.5 SW/VI .5 SW .5 SW/GN
A6000
ENGINE CONTROL
MODULE (DME)
9
.5 SW/
GE
20
.5 BR/WS
X6385543876
2 X63851109
.75 GR/GN .5 RT/GN .5 RT/GN/GE .75 GR/GE
44 43 4
7
R6385
THROTTLE
POSITION SENSOR/
CRUISE CONTROL
ACTUATOR
X60003
X60003
23
28 X60004
X783
24
2
.35 RT/GE
14X78
FUSE DETAILS
0670.3
F137.5A
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
F4615A
1.5 BL/RT
X181
BRAKE LIGHTS
6325.06
X1001632X10018
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL) 21 34
.5 BL/RT
Z3 VERSIONS
X60004
FUSE DETAILS
0670.3
F435A
26
1
S32
CLUTCH SWITCH
GROUND
DISTRIBUTION
0670.4
X10010
X11143
3
.35 BL/BR
2 X11143



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION


A837 .

ELECTRONIC IMMOBILIZER CONTROL
MODULE (EWS III) . . . . . . . . . . . . . . . . . . .
LH side of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

49-1


A6000 ENGINE CONTROL MODULE (DME) . . . . . rear RH side of engine compartment in E–Box (M VERSIONS) . . . . . . . . . . . . . . . . . 00-1

A6000
ENGINE CONTROL MODULE (DME) . . . . .
rear RH side of engine compartment in E–Box (Z3 VERSIONS) . . . . . . . . . . . . . . . .
47-2

A8500

TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47-1



A9008

CRUISE CONTROL INTERFACE . . . . . . . .

near steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

49-1




A19007

THERMAL OIL LEVEL SENSOR (TOENS)
CONTROL MODULE . . . . . . . . . . . . . . . . .
behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50-2


B1 . . . . RIGHT FRONT SPEED SENSOR – ABS . . on RH front wheel, above brake caliper
B2 . . . . LEFT FRONT SPEED SENSOR – ABS . . . on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
B3 . . . . RIGHT REAR SPEED SENSOR – ABS . . . on RH rear wheel, above brake caliper

B4 . . . .
LEFT REAR SPEED SENSOR – ABS . . . .
on LH rear wheel, above brake caliper



B6y . . . FUEL SENSOR . . . . . . . . . . . . . . . . . . . . . . . . in fuel tank
B8y . . . PRESSURE SWITCH . . . . . . . . . . . . . . . . . . . front RH side of engine compartment
B9 . . . . INTERMEDIATE PRESSURE SWITCH . . . front RH side of engine compartment
B10 . . VEHICLE SPEED SENSOR . . . . . . . . . . . . . on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-2

B14 . .
EVAPORATOR TEMPERATURE SENSOR
RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21-2

B16 . . LEFT FRONT BRAKE PAD SENSOR . . . . . on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
B17 . . RIGHT REAR BRAKE PAD SENSOR . . . . . behind RH rear wheel
B18 . . BRAKE FLUID LEVEL SWITCH . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09-1

B21 . .
ON–BOARD COMPUTER TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
in RH front bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-3



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION



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) . . . . . . . . . . . . . . . .
47-3

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) . . . . . . . . . . . . . . . . 47-3
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) . . . . . . . . . . . . . . . . 47-3

K6301w

FUEL PUMP RELAY . . . . . . . . . . . . . . . . . . . .

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

19-1


K6394 COMPRESSOR RELAY . . . . . . . . . . . . . . . . . TIRE INFLATION SYSTEM
K10485 BRAKE FLUID LEVEL RELAY . . . . . . . . . . . below RH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50-2
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



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION
S8 . . . . LIGHT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . LH side of dash

S10 . .
FOG LIGHT SWITCH . . . . . . . . . . . . . . . . . . .
LH side of dash



S13 . . PASSENGER’S DOOR JAMB SWITCH . . . RH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-1
S14 . . DRIVER’S DOOR JAMB SWITCH . . . . . . . . LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-1
S17 . . MIRROR CONTROL SWITCH . . . . . . . . . . . in upper LH front door
S18 . . HAZARD SWITCH . . . . . . . . . . . . . . . . . . . . . center console bottom

S20w .
RADIO ANTI–THEFT SWITCH . . . . . . . . . .
center console (radio and console removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36-1

S21w . ENGINE HOOD SWITCH . . . . . . . . . . . . . . . near LH headlight assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1
S28 . . CRUISE CONTROL SWITCH . . . . . . . . . . . . LH side of dash RH side of steering column above
S30 . . BRAKE LIGHT SWITCH . . . . . . . . . . . . . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
S31 . . PARK BRAKE SWITCH . . . . . . . . . . . . . . . . . center console on rear of park brake lever

S32 . .

CLUTCH SWITCH . . . . . . . . . . . . . . . . . . . . .

LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20-1


S36 . . TEMPERATURE SWITCH . . . . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-1
S38y . TILT SUNROOF SWITCH . . . . . . . . . . . . . . . in roof panel
S47 . . DRIVER’S DOOR LOCK SWITCH . . . . . . . . in driver’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-1

S49 . .
PASSENGER’S DOOR LOCK SWITCH . . .
in passenger’s door





S51 . .

DRIVER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LH front seat



S53 . . DRIVER’S SEAT, SEAT HEATER SWITCH center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-1


S54 . .

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

23-1




S56 . .

PASSENGER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RH front seat



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION
X333 . (4 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . rear of engine compartment below center of cowl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-3 03-1

X336 .
(3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
in upper RH A–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


01-1
X351 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . RH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-1 01-1
X352 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-1 01-1
X357 . (2 PINS, WHITE) . . . . . . . . . . . . . . . . . . . . . . . near interior rear view mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-2
X371 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . near front LH headlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1 02-5
X372 .
(2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
09-1

X379 . (1 PIN, NATURAL) . . . . . . . . . . . . . . . . . . . . . HARD TOP CONNECTOR 1
X380 . (1 PIN, NATURAL) . . . . . . . . . . . . . . . . . . . . . HARD TOP CONNECTOR 1
X383 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-2
X389 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . LEFT FRONT AUXILIARY TURN LIGHT

X390 .

(2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .

RIGHT FRONT AUXILIARY TURN LIGHT




X400 . (8 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-1
X413 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . HIGH LEVEL STOP LIGHT (ROADSTER) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-2 01-1
X413 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . HIGH LEVEL STOP LIGHT (COUPE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
X423 .
(1 PIN, –––) . . . . . . . . . . . . . . . . . . . . . . . . . . .
below center console on rear of park brake lever



X424 . (1 PIN, –––) . . . . . . . . . . . . . . . . . . . . . . . . . . . in LH side of luggage compartment behind trim panel (ROADSTER)
X424 . (1 PIN, –––) . . . . . . . . . . . . . . . . . . . . . . . . . . . in roof panel (COUPE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-3
X492 . GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-1
X494 . GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . below center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03-1

X503 .

(12 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . .

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

20-3

07-2
X504 . (4 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-3 03-1



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

B2
LEFT FRONT
SPEED SENSOR –
ABS
B16
LEFT FRONT
BRAKE PAD
SENSOR B6247
CHARCOAL FILTER
SHUT–OFF VALVE
COMPONENT LOCATION VIEWS













X6247
X114
X118