cruise control BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual

17X1170
4 X13146
.5 BL/RT






S32
CLUTCH SWITCH
1) NORMAL STATE
2) CLUTCH PEDAL
DEPRESSED
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6325.0 BRAKE LIGHTS
X1211
.75 BL/RT.75 BL/RT
10 X8500A8500
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
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(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 X4133
32 X1171A52
SLIP CONTROL
MODULE
(ABS/ASC) .75 BL/RT
X4131 .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
34
43 X78
X78
X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
48
11 X69
X18170
GROUND
DISTRIBUTION
0670.4
.5 BR/GR
.5 BR/GR
A52
SLIP CONTROL
MODULE
(ABS/ASC) .75 BL/RT
B900
JUMPER PLUG X1211
X1212
WITHOUT EGS WITH EGS
4–CYLINDER 6–CYLINDER
12 X69
.5 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 ROADSTER

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 7H34
HIGH LEVEL STOP
LIGHT X4133
29 X11A7
SLIP CONTROL
MODULE (ABS) .75 BL/RT
X4131 .75 BL/RT
2 3
.75 BL/RT
18 X22A8
CRUISE CONTROL
MODULE
(TEMPOMAT) .5 BL/BR
X1212
CRUISE CONTROL
(TEMPOMAT)
6571.0X197
21
.75 BL/BR
.75 BL/BR
K18363
CONVERTIBLE TOP
RELAY I (CLOSE) .5 BL/RTK18364
CONVERTIBLE TOP
RELAY II (OPEN)
X1215
.5 BL/RT .5 BL/RT
8 X18363
8 X18364X78
X78
48 X1175A52
SLIP CONTROL
MODULE
(ABS/ASC) .75 BL/RT
WITH ABS WITH ASC
M ROADSTER

X191






 !""



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6571.0 CRUISE CONTROL (TEMPOMAT)
FUSE DETAILS
0670.3 X10017
16
5 X511
P90
FRONT POWER
DISTRIBUTION BOX F28
5A
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
.5 BR/SW
F4615A
X10018
32
.5 VI/GE
L1L2L3L4
X5117
#% & 
# ##
# 
# ##
 *##
# &##
# %#
 ##
25S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
3126
31
.5 BR/SW
1 X72
S28
CRUISE CONTROL
SWITCH
0) NORMAL
1) OFF
2) RESUME
3) DECELERATE/
SET
4) ACCELERATE/
SET
20
31
3
22
312
21
314 X72
24
X22
31
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) .5 BL/WS .5 BL/GN .5 BL/GR.5 VI/GE
.5 BL/SW FUSE DETAILS
0670.3
468
5
01
4 3
0
010101
211 1
0
EGS A4S 270R






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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
X12121 X121
S32
CLUTCH SWITCH
1) NORMAL STATE
2) CLUTCH PEDAL
DEPRESSED
X10010
X22
1.5 BL/RT
.5 SW/BR
19
GROUND
DISTRIBUTION
0670.4
X9633
X197.75 BL/BR.75 BL/RT
X181
BRAKE LIGHTS
6325.0
12
1 2
X1212 1 X121
B900
JUMPER PLUG
WITH EGS WITHOUT EGS






7000.0 COMPONENT LOCATION CHART






 !""#""$
COMP. DESCRIPTION LOCATION7100.0 8500.0
A2w . . INSTRUMENT CLUSTER . . . . . . . . . . . . . . . LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-2

A7 . . . .
SLIP CONTROL MODULE (ABS) . . . . . . . .
behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
00-1



A8 . . . .

CRUISE CONTROL MODULE
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . . . .

behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

00-2

A12 . . SUPPLEMENTAL RESTRAINT SYSTEM
CONTROL MODULE . . . . . . . . . . . . . . . . . below center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-2

A18 . .

HIFI AMPLIFIER . . . . . . . . . . . . . . . . . . . . . . .

in RH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27-3


A35y . BOARD COMPUTER (BC – LOW) . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-3
A51 . . WIPER/WASHER MODULE . . . . . . . . . . . . . behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-2
A52 . . SLIP CONTROL MODULE (ABS/ASC) . . . . behind glove box (4–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-1

A52 . .
SLIP CONTROL MODULE (ABS/ASC) . . . .
behind glove box (6–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
00-3

A64 . . WIPER/WASHER MODULE (LOW II) . . . . . behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-2


A104 .

BODY ELECTRONICS CONTROL
MODULE (ZKE IV) . . . . . . . . . . . . . . . . . . .

behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

00-2

A110 . . DIGITAL CLOCK . . . . . . . . . . . . . . . . . . . . . . . center console
A113 . . SEAT OCCUPANCY DETECTOR . . . . . . . . under RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-1
A113 . . SEAT OCCUPANCY DETECTOR . . . . . . . . under RH front seat (WITH SPORT SEAT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41-2

A605 .
FUSE HOLDER . . . . . . . . . . . . . . . . . . . . . . . .
center console (radio and console removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38-1

A835 . TRANSMITTER MODULE (EWS II) . . . . . . near steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-2


A836 .

ELECTRONIC IMMOBILIZER CONTROL
MODULE (EWS II) . . . . . . . . . . . . . . . . . . .

behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

00-1

A6000 ENGINE CONTROL MODULE (DME) . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1


A8500

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

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

01-1






COMPONENT LOCATION CHART





 !""#""$
COMP.8500.0 7100.0LOCATION DESCRIPTION
K6326 UNLOADER RELAY, TERMINAL 15 . . . . . . rear RH side of engine compartment in E–Box (6–cylinder) . . . . . . . . . . . . . . . . . . . . . 01-1

K6326
UNLOADER RELAY, TERMINAL 15 . . . . . .
rear RH side of engine compartment in E–Box (4–cylinder) . . . . . . . . . . . . . . . . . . . . .
36-3

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
M2 . . . FUEL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . in fuel tank

M3 . . .
WIPER MOTOR . . . . . . . . . . . . . . . . . . . . . . .
rear of engine compartment



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



M21 . . DRIVER’S WINDOW MOTOR . . . . . . . . . . . in driver’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-2
M23 . . PASSENGER’S WINDOW MOTOR . . . . . . . in passenger’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-3


M25 . .

CRUISE CONTROL ACTUATOR
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . . . .

rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

08-1

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

M51 . .
DRIVER’S SEAT MOVEMENT MOTOR . . .
under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25-1

M51 . .

DRIVER’S SEAT MOVEMENT MOTOR . . .

under LH front seat (WITH SPORT SEAT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

42-3


M52 . . DRIVER’S SEAT HEIGHT MOTOR . . . . . . . under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-1






COMPONENT LOCATION CHART






 !""#""$
COMP.8500.0 7100.0LOCATION DESCRIPTION


R31 . .

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

front of engine (6–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33-3



R31 . .

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

front of engine (4–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37-3

R6252 THROTTLE POSITION SENSOR . . . . . . . . front of engine (4–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
R6252 THROTTLE POSITION SENSOR . . . . . . . . front of engine (6–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-3

S2 . . . .

IGNITION SWITCH . . . . . . . . . . . . . . . . . . . . .

LH side of dash






S3 . . . .

AUTOMATIC TRANSMISSION RANGE
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .

center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22-1

S4 . . . . HORN SWITCH . . . . . . . . . . . . . . . . . . . . . . . . on steering wheel
S5 . . . . WIPER/WASHER SWITCH . . . . . . . . . . . . . . LH side of dash RH side of steering column above
S6 . . . . ASC SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . center console

S7 . . . .
COMBINATION SWITCH . . . . . . . . . . . . . . . .
LH side of dash LH side of steering column above



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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-1
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






7100.0 COMPONENT LOCATION VIEWS
ELECTRICAL CONTROL MODULE LOCATIONS
 !""




#""$



X1170X1652X1659
X782X1171X1175
A52
SLIP CONTROL
MODULE
(ABS/ASC)
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)

A52
SLIP CONTROL
MODULE
(ABS/ASC)A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
A51
WIPER/WASHER
MODULEX22
X285
A64
WIPER/WASHER
MODULE (LOW II)A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)

A7
SLIP CONTROL
MODULE (ABS)



X20X69






M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)
COMPONENT LOCATION VIEWS !""




#""$


Y6120
EVAPORATIVE
EMISSION VALVE
X6120
X70
Y1w
ABS HYDRAULIC
UNIT

X6031


K94
ENGINE CONTROL
RELAY (ABS/ASC) K33a
AIR CONDITIONING
RELAY, MOTRONIC
K95
VALVE RELAY
(ABS/ASC)