ignition BMW Z3M COUPE 2001 E36 Electrical Troubleshooting Manual







 





2
3P90
FRONT POWER
DISTRIBUTION BOX
2S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START8
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) X1805
X2094
8 X332.5 SW/GE
X18057
2.5 SW/GE
X331
4 RT
50 2.5 GN/SW
DRIVE–AWAY PROTECTION (EWS III)
X2095
FUSE DETAILS
0670.3
F315A
2
10
3
X10018
X189943 30
X18994
2S235
STARTER IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH PEDAL FULLY
DEPRESSED
F457.5A
2 1
1
.35 BL/SW
X9633
GROUND
DISTRIBUTION
0670.4
POWER
DISTRIBUTION
0670.2
G7512
B+ JUNCTION
POINT
1110
.5 WS.5 BL
31
L1
EWS TOROIDAL
COIL
X1764
9
F10650A
X1981
4 RT
START
1240.0 X239
2.5 GN/SW
M VERSIONS

CA614







A4
F235A
K16
HAZARD FLASHER
RELAY S7
COMBINATION
SWITCH
F315A
P90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER F27
5A
1
B10
VEHICLE SPEED
SENSOR 6211.0-02
G6509
GENERATOR D+ F46
15A
22231616312.034
A51
WIPER/WASHER
MODULE 6211.0-00
A18
HIFI AMPLIFIER6211.0-00
6211.0-00A35y
BOARD
COMPUTER
(BC – LOW) 6211.0-00
2
B6y
FUEL SENSOR 6211.0-02
3417
S31
PARK BRAKE
SWITCH 6211.0-0318
B18
BRAKE FLUID
LEVEL SWITCH 6211.0-03919
B17
RIGHT REAR
BRAKE PAD
SENSOR B16
LEFT FRONT
BRAKE PAD
SENSOR
243
6211.0-01 6211.0-01A
A= X16B= X17C= X271
S14
DRIVER’S DOOR
JAMB SWITCH
23
6211.0-01
S2
IGNITION SWITCH 6211.0-01
22B
S58
DRIVER’S SEAT
BELT SWITCH 6211.0-01
A
14
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE 6211.0-00
6313.0-03
S8
LIGHT SWITCH
6300.0
A
12
TXD
215
F1515A
8
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY 6211.0-03
6A6000
ENGINE CONTROL
MODULE (DME)
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE 6211.0-04
97
B9508
PRESSURE
SWITCH 6450.6-03
A35y
BOARD
COMPUTER
(BC – LOW) 6211.0-04
25
B6231
OIL PRESSURE
SWITCH 6211.0-05
19
A52
SLIP CONTROL
MODULE (ABS/ASC)
A65
DYNAMIC STABILITY
CONTROL UNIT
(DSC)
2176
A6000
ENGINE CONTROL
MODULE (DME) N9
RADIO
D100
DATA LINK
CONNECTORNSWP90
FRONT POWER
DISTRIBUTION BOX
BBCB
BBA
HARMAN KARDON
SOUND SYSTEM6312.0
6211.0-05
6211.0-03
A6000
ENGINE CONTROL
MODULE (DME) 1230.0
M VERSIONS Z3 VERSIONS
M VERSIONS Z3 VERSIONS
1
A6000
ENGINE CONTROL
MODULE (DME) 6211.0-05
S555
TYRE PRESSURE
WARNING SYSTEM
(RDW) PUSH-
BUTTON
H10
CHIME MODULE 6211.0-00
6211.0-05 B
1230.0
M VERSIONS
A6000
ENGINE CONTROL
MODULE (DME)
M VERSIONS Z3 VERSIONS
M VERSIONS Z3 VERSIONS
6211.0-05
6211.0-04
6211.0-05
B6254
THERMAL OIL
LEVEL SWITCH 6211.0-05
M VERSIONS Z3 VERSIONS
M VERSIONS Z3 VERSIONS
6211.0-04
6211.0-04
A3984
OIL–/OUTSIDE
TEMPERATURE
GAUGE
CONTROL
MODULE 6211.0-00
M VERSIONS Z3 VERSIONS
6211.0 INSTRUMENT CLUSTER






Pin Assignments




E = Input, A = Output, M = Ground
X17
Pin Type Description/Function Connection
1
ETire pressure warning lamp controlEngine control module (DME) (M Versions)
2AVehicle speed signalVarious control modules
3MGround supply, terminal 31 for indicator and
warning lampsGround point
4EVoltage supply, terminal 15 for instrument
cluster electronicsFront power distribution box, fuse 23
5Not used
6EGround supply, terminal 61 for battery
charge indicatorGenerator (Z3 Versions)
Engine control module (DME) (M Versions)
7Not used
8EFog light indicator controlFront power distribution box, fuse 15
9ASound tone signalChime module
10Not used
11Not used
12Not used
13Not used
14ESeat belt warning lamp controlDriver’s seat belt switch
15ESIA reset/service interval indicator resetData link connector
16EVoltage supply, terminal RFront power distribution box, fuse 46
17Not used
18Not used
19EOil pressure warning lamp controlOil pressure switch (Z3 Versions)
Engine control module (DME) (M Versions)
20Not used
21EABS warning lamp (ABS)ABS/ASC/DSC control module
22EIgnition key warning/audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch
24Not used
25EFuel consumption signalBoard computer (Z3 Versions)
26Not used



INDICATORS











INSTRUMENT CLUSTER
3
GROUND
DISTRIBUTION
0670.4A2w
INSTRUMENT
CLUSTER
HEADLIGHTS/FOG
LIGHTS
6312.0TURN/HAZARD
LIGHTS
6313.0LIGHT SWITCH
DETAILS
6300.0
.75 GE/BR.5 BL/GN
4
.5 BL/BR
3
.5 GR/RT
X172
19 X16
2 X713
2X118
1X118
1 X713
.5 GE
B16
LEFT FRONT BRAKE
PAD SENSOR
.5 GE
B17
RIGHT REAR BRAKE
PAD SENSOR
S58
DRIVER’S SEAT
BELT SWITCH 6 X275
14
8 X275
14 X10017
23
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 .5 BL/VI/GE
F275A








9
1515
45
2112 X33


22
.5 BL/SW
11 X33
.75 BL/SW
.75 BR
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
ANTI–THEFT
SYSTEM (ALPINE)
6575.2
S2
IGNITION SWITCH
4) OPEN MOMENTARILY
IN START AND OFF,
OPEN WITH KEY
REMOVED
5) CLOSED IN OFF,
START, RUN AND AC-
CESSORYS14
DRIVER’S DOOR
JAMB SWITCH
1) DOOR OPEN
2) DOOR CLOSED .5 BR/GR/GE
X443
.75 BR/GR/GE
2 X352
1
X352
23X17




HEADLIGHTS/FOG
LIGHTS
6312.0
.35 WS
1
DATA LINK
0670.5
.35 WS/VI
X1612
ANTI–THEFT
SYSTEM (DWA)
6575.0
Z3 VERSIONS








M VERSIONS
P97
AUXILIARY FUSE
BOX
K21
NORMAL SPEED
RELAY
S36
TEMPERATURE
SWITCHK22
HIGH SPEED
RELAY
6450.6-07
6450.6-076450.6-07
F165AF4840A
A6000
ENGINE
CONTROL
MODULE (DME) 6450.6-07
P90
FRONT POWER
DISTRIBUTION
BOXP90
FRONT POWER
DISTRIBUTION BOX F16
5A
M9
AUXILIARY FAN
MOTOR 6450.6-07
P90
FRONT POWER
DISTRIBUTION BOX
K19
COMPRESSOR
CONTROL RELAY 6450.6-06
F397.5AF165A
Y2
AIR CONDITIONING
COMPRESSOR 6450.6-06
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-06
K4
BLOWER RELAY 6450.6-04 F20
30A
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
43
R11
BLOWER
RESISTORS 6450.6-04
S75
BLOWER
SWITCH 6450.6-04
M30
BLOWER MOTOR 6450.6-04
1258
S221
EVAPORATOR
CONTROLLER
3
A2w
INSTRUMENT
CLUSTER 6450.6-04
B14
EVAPORATOR
TEMPERATURE
SENSOR 6450.6-05
26
X18349
X18350
7 X18349
M111
FRESH AIR
RECIRCULATION
MOTOR 6450.6-05
S531
TEMPERATURE
WHEEL SWITCH 6450.6-06
A605
FUSE HOLDER
F953
2A
S2
IGNITION SWITCH 6450.6-046450.6-06 6450.6-04
6450.6-06
K33a
AIR CONDITIONING
RELAY, MOTRONIC 6450.6-04
6
Y4z
WATER VALVE 6450.6-05
B9
INTERMEDIATE
PRESSURE
SWITCHB8y
PRESSURE
SWITCH
5 X18350
B9508
PRESSURE
SWITCH 6450.6-07 6450.6-07
NOT USED6450.6-07
6450.6-07
AUXILIARY FAN
K104
AIR CONDITIONING
RELAY/AUXILIARY
WATER PUMP 6450.6-06
F5430AP90
FRONT POWER
DISTRIBUTION
BOX
M37a
AUXILIARY WATER
PUMP 6450.6-06
A2w
INSTRUMENT
CLUSTER 6450.6-07
INTEGRATED HEATING– AND CLIMATE CONTROL

X166
M30
BLOWER
MOTOR1.5 GE


POWER, AIR FLOW CONTROL










INTEGRATED HEATING– AND CLIMATE CONTROL
X1001620
8 2.5 GNP90
FRONT POWER
DISTRIBUTION BOX F20
30A
X1429
X582 4
3 2 1 7 X905
X1328716 X58
2 X13233
3 2 1 4 X904
X100547 7 X33
4 X905
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
1 X209
86
8530
87FUSE DETAILS
0670.3
K4
BLOWER RELAY
2.5 GN/BR
2.5 GN/BR
2.5 BL
2.5 BL
2.5 BL 2.5 GN 1.5 SW1.5 GE
GROUND
DISTRIBUTION
0670.4 GROUND
DISTRIBUTION
0670.4R11
BLOWER
RESISTORS
1) OPENS IF
RESISTORS
OVERHEAT


S75
BLOWER SWITCH
0) OFF
1) SLOW
2) MEDIUM
3) FAST
4) MAXIMUM
POWER DISTRIBUTION
0670.2
X1435
1.5 GE
6450.6-05 X68309
2.5 GN/BR
6450.6-05(PARTIAL)
1.5 GE
2.5 GN/BR
X1280
2 8 X50
6
X504
K33a
AIR CONDITIONING
RELAY, MOTRONIC30 86
87 85
GROUND
DISTRIBUTION
0670.4
6 X271
5
A2w
INSTRUMENT
CLUSTER
.5 SW/VIX10054
2 X35
X353
X189
6450.6-05
X9633
1.5 GE 2.5 GN/BR .5 SW/VI1.5 SW/VI(PARTIAL)
1 SW/VI
1
2
10
3
210
3 4
M VERSIONS
X9633



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
K6325 . REVERSING LIGHT RELAY . . . . . . . . . . . . . rear LH side of engine compartment

K6327 .
INJECTION VALVES RELAY . . . . . . . . . . . .
rear RH side of engine compartment in E–Box



K6394 . COMPRESSOR RELAY . . . . . . . . . . . . . . . . . TIRE INFLATION SYSTEM
K18363 CONVERTIBLE TOP RELAY I (CLOSE) . . . in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-3
K18364 CONVERTIBLE TOP RELAY II (OPEN) . . . in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-3
L1 . . . . . EWS TOROIDAL COIL . . . . . . . . . . . . . . . . . at ignition switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-3

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



M3 . . . . WIPER MOTOR . . . . . . . . . . . . . . . . . . . . . . . rear of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-2
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
M16 . . . GAS FILLER LOCK MOTOR . . . . . . . . . . . . RH rear wheel well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-1

M17 . . .
LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear side of luggage compartment behind trim panel (ROADSTER)






M17 . . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
in lift gate (Z3 COUPE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


24-2



M17 . . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
in lift gate (M COUPE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


24-1

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



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
N44 . . . SUBWOOFER AMPLIFIER MODULE . . . . . in LH forward side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

P90 . . .
FRONT POWER DISTRIBUTION BOX . . .
rear LH side of engine compartment



P97 . . . AUXILIARY FUSE BOX . . . . . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-3
P98 . . . FUSE HOLDER IN E–BOX . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box
P99 . . . FUSE HOLDER . . . . . . . . . . . . . . . . . . . . . . . . in RH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-1
P900 . . AUXILIARY FUSE BOX . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1

R10 . . .
PEDAL POSITION SENSOR . . . . . . . . . . . .
behind gas pedal



R11 . . . . BLOWER RESISTORS . . . . . . . . . . . . . . . . . rear of engine compartment behind firewall
R33 . . . STEERING ANGLE SENSOR . . . . . . . . . . . on steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-3
R6252 . THROTTLE POSITION SENSOR . . . . . . . . LH side of engine compartment
R8554 . RESISTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . on cylinder head

S2 . . . . .

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

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

27-3


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

S6y . . . .
DSC 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-1


S17 . . . MIRROR CONTROL SWITCH . . . . . . . . . . . in upper LH front door



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
S911 . . . PASSENGER’S SEAT LIMIT SWITCH . . . . in passenger’s seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-3

S8511 .
REVERSING LIGHT SWITCH . . . . . . . . . . .
LH side of transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14-2

T6151 . CYL. 1 IGNITION COIL . . . . . . . . . . . . . . . . . RH side of engine compartment
T6152 . CYL. 2 IGNITION COIL . . . . . . . . . . . . . . . . . RH side of engine compartment
T6153 . CYL. 3 IGNITION COIL . . . . . . . . . . . . . . . . . RH side of engine compartment
T6154 . CYL. 4 IGNITION COIL . . . . . . . . . . . . . . . . . RH side of engine compartment

T6155 .
CYL. 5 IGNITION COIL . . . . . . . . . . . . . . . . .
RH side of engine compartment



T6156 . CYL. 6 IGNITION COIL . . . . . . . . . . . . . . . . . RH side of engine compartment
V5 . . . . . DWA LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-1
V9 . . . . . UNCOUPLING DIODE (LIGHTS) . . . . . . . . . rear LH side of engine compartment in Power Distribution Box
V10 . . . UNCOUPLING DIODE (LIGHTS) . . . . . . . . . rear LH side of engine compartment in Power Distribution Box

X2 . . . . .

BATTERY B+ START POINT . . . . . . . . . . . .

in RH side of luggage compartment




X8 . . . . . CABLE SOCKET B+ . . . . . . . . . . . . . . . . . . . . in RH side of luggage compartment
X9 . . . . . CABLE SOCKET B+ . . . . . . . . . . . . . . . . . . . . below LH side of dash
X16 . . . (26 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . LH side of dash rear side of instrument cluster, A2w . . . . . . . . . . . . . . . . . . . . . . . . 20-2 00-2
X17 . . .
(26 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . .
LH side of dash rear side of instrument cluster, A2w . . . . . . . . . . . . . . . . . . . . . . . .
20-2
00-2
X32 . . . (12 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . on steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-1 02-1
X33 . . . (12 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . on steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-1 02-1
X35 . . . (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-1 02-4
X44 . . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . 03-1
X45 . . .

(9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .

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



03-1
X50 . . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . 03-1



X783
X10216X10217
COMPONENT LOCATION VIEWS










A605
FUSE HOLDER
G12
DRIVER’S SIDE
PYROTECHNICAL
BELT TENSIONER

X539X5115
C101
CONTACT RING S20
RADIO ANTI–
THEFT SWITCH
(DWA)
G13
PASSENGER’S
SIDE
PYROTECHNICAL
BELT TENSIONER

L1
EWS TOROIDAL
COIL
S2
IGNITION SWITCH

S20w
RADIO ANTI–
THEFT SWITCH