sensor BMW Z3M COUPE 2001 E36 Electrical Troubleshooting Manual



6581.3 BOARD COMPUTER (BC – LOW)












B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
31
30
31
3131
.35 BR/GR
P90
FRONT POWER
DISTRIBUTION BOX
232 X10018
FUSE DETAILS
0670.3
510
911
LIGHT SWITCH
DETAILS
6300.0
X10245
86 X10245
X10010
1 X770
2 X770
GROUND
DISTRIBUTION
0670.4
X10010GROUND
DISTRIBUTION
0670.4
F315AF4615A
58g
FUSE DETAILS
0670.3
.5 WS/VI2.35 WS/GE3.5 BR/GE7
15
.5 SW/WS2
X188INSTRUMENT
CLUSTER
6211.0
X11291
B6y
FUEL SENSOR 3 X6500
6 X6500
15
31
3 X271
.5 BR/SW
.5 BR/GE
1 X271
15
.35 BR/RT1
10 X32
1 X32
X18170
GROUND
DISTRIBUTION
0670.4
A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT 2
X17
.35 SW/WS
.5 GR/RT
A35y
BOARD
COMPUTER
(BC – LOW)
S7
COMBINATION
SWITCH
10) PROGRAM
MODUS 10TXD RXD
DATA LINK
0670.5
.5 BR/GE
A2w
INSTRUMENT
CLUSTER
.5 BR/SW.5 BR/SW
X805
INSTRUMENT
CLUSTER
6211.0
31
4
.35 WS/SW25
15
.35 BR/RT
.5 BR



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION


A7000 .

TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment in E–Box




A9008 . CRUISE CONTROL INTERFACE . . . . . . . . near steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-1

A19007
THERMAL OIL LEVEL SENSOR (TOENS)
CONTROL MODULE . . . . . . . . . . . . . . . . .
behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12-2

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

04-2


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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-1
B14 . . . EVAPORATOR TEMPERATURE SENSOR RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-2
B16 . . . LEFT FRONT BRAKE PAD SENSOR . . . . . on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04-2

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


04-1

B21z . . TEMPERATURE SENSOR . . . . . . . . . . . . . . on front LH wheel well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-1
B28 . . . PITCH SENSOR (DWA) . . . . . . . . . . . . . . . . . in LH side of luggage compartment behind trim panel . . . . . . . . . . . . . . . . . . . . . . . 32-2
B59 . . . OIL TEMPERATURE GAUGE . . . . . . . . . . . center console

B74 . . .

TRANSVERSE ACCELERATION SENSOR

under driver’s seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15-2



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
B75 . . . RPM RATE SENSOR . . . . . . . . . . . . . . . . . . . under driver’s seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-2

B76 . . .
PRESSURE SENSOR . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11-3

B78 . . . DRIVER’S SIDE IMPACT SENSOR . . . . . . under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-3
B79 . . . PASSENGER’S SIDE IMPACT SENSOR . . under RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-1
B921 . . OUTSIDE TEMPERATURE GAUGE . . . . . . center console
B5351 . EXHAUST TEMPERATURE SENSOR . . . . RH side of engine compartment

B6203 .
CRANKSHAFT POSITION/RPM SENSOR
rear LH side of engine compartment





B6204 .

CAMSHAFT POSITION SENSOR
(CYLINDER IDENTIFICATION) . . . . . . . .
front of engine



B6205 . INTAKE AIR TEMPERATURE SENSOR . . top center of engine
B6207 . HOT FILM AIR MASS METER . . . . . . . . . . . LH side of engine compartment


B6214 .

CAMSHAFT POSITION SENSOR 1
(INLET) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine






B6224 .

CAMSHAFT POSITION SENSOR 2
(OUTLET) . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine




B6231 . OIL PRESSURE SWITCH . . . . . . . . . . . . . . . LH side of engine compartment

B6232 .
ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine





B6236 .
ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine




B6238 . OIL TEMPERATURE SENSOR . . . . . . . . . . RH side of oil filter

B6241 .
CYL. 1–2 KNOCK SENSOR . . . . . . . . . . . . .
top LH side of engine



B6242 . CYL. 3–4 KNOCK SENSOR . . . . . . . . . . . . . top LH side of engine
B6243 . CYL. 5–6 KNOCK SENSOR . . . . . . . . . . . . . top LH side of engine



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
B6254 THERMAL OIL LEVEL SWITCH . . . . . . . . . lower LH side of engine compartment

B6279
THERMOSTAT, CHARACTERISTIC MAP
COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine





B9508 .
PRESSURE SWITCH . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30-2

B62101

OXYGEN SENSOR I (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . . . . .

on catalytic converter





B62102

OXYGEN SENSOR I (BEHIND CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . .

on catalytic converter





B62201

OXYGEN SENSOR II (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . . . . .

on catalytic converter





B62202
OXYGEN SENSOR II (BEHIND
CATALYTIC CONVERTER) . . . . . . . . . . . .
on catalytic converter





B62400
DOUBLE KNOCK SENSOR . . . . . . . . . . . . .
LH side of engine



C100 . . CONTACT RING . . . . . . . . . . . . . . . . . . . . . . . top of steering column
C101 . . CONTACT RING . . . . . . . . . . . . . . . . . . . . . . . top of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-3
C6000 . SUPPRESSION CAPACITOR . . . . . . . . . . . . top center of engine
D100 . . DATA LINK CONNECTOR . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2

D110 . .

OBD II CONNECTOR . . . . . . . . . . . . . . . . . . .

center console right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

03-3


E7 . . . . . LEFT HEADLIGHT . . . . . . . . . . . . . . . . . . . . . front LH side of engine compartment
E8 . . . . . RIGHT HEADLIGHT . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment
E9 . . . . . REAR DEFOGGER I . . . . . . . . . . . . . . . . . . . hard top

E11 . . . .
LEFT HIGH BEAM LIGHT . . . . . . . . . . . . . . .
near front LH headlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29-1

E12 . . . RIGHT HIGH BEAM LIGHT . . . . . . . . . . . . . near front RH headlight
E13 . . . LEFT LOW BEAM LIGHT . . . . . . . . . . . . . . . near front LH headlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1



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



X114X118
COMPONENT LOCATION VIEWS













B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
B2
LEFT FRONT
SPEED SENSOR –
ABS

X770
B16
LEFT FRONT
BRAKE PAD
SENSOR







X1885
X1884
COMPONENT LOCATION VIEWS













B79
PASSENGER’S
SIDE IMPACT
SENSOR
G15
RIGHT SIDE AIR
BAG GAS
GENERATOR


X1886
B78
DRIVER’S SIDE IM-
PACT SENSOR



K18363
CONVERTIBLE TOP
RELAY I (CLOSE)


X13146X23146
COMPONENT LOCATION VIEWS













B10
VEHICLE SPEED
SENSOR

X383



K18364
CONVERTIBLE TOP
RELAY II (OPEN)
M101
CONVERTIBLE TOP
MOTOR X143
X713




P900
AUXILIARY FUSE
BOX
COMPONENT LOCATION VIEWS












A52
SLIP CONTROL
MODULE
(ABS/ASC)
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
D100
DATA LINK
CONNECTORB76
PRESSURE
SENSOR
M118
PRECHARGE PUMP


X1170X1746X1656X1747X1748
Y16z
PRESSURE TRANS-
MITTER



A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE


COMPONENT LOCATION VIEWS












A51
WIPER/WASHER
MODULE

X782X10244X13025
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X285
X13252X13253X13254

X19007