Fuel pump BMW Z3M ROADSTER 2001 E36 Electrical Troubleshooting Manual






Y6120
EVAPORATIVE
EMISSION VALVE
Y6165
SOLENOID
VALVE, SUCKING
JET PUMPM6506
E–BOX FAN
2020 C
11 10 AA34 DB33
C4
22
B6241
CYL. 1–2 KNOCK SENSOR
B6242
CYL. 3–4 KNOCK SENSOR
B6243
CYL. 5–6 KNOCK SENSOR 1210.27-06
29
31
30
Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.27-02
37
+
–
1210.27-05
42
5146 47Y6130
IDLE SPEED
CONTROL VALVE 1210.27-05
36
1210.27-02
32
D
F20530A
123B
1210.27-09
12
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) 1210.27-03
1719
24
1210.27-071136
1210.27-11
1210.27-12
37
1210.27-11
2735
1210.27-104565
P98
FUSE HOLDER IN
E–BOX1210.27-00
K6327
INJECTION VALVES
RELAYG6400
B+ JUNCTION
POINT E–BOX
K6300
ENGINE CONTROL
MODULE RELAY
B6214
CAMSHAFT
POSITION SENSOR
1 (INLET) 1210.27-07P98
FUSE HOLDER IN
E–BOXG7512
B+ JUNCTION
POINT
1210.27-12 K6304
SECONDARY AIR
PUMP RELAY
Y6133
AIR PUMP
A2w
INSTRUMENT
CLUSTER
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
A9008
CRUISE CONTROL
INTERFACE A
5C
TXD
C
DEA
A = 60001
B = 60002C = 60003
D = 60004
E = 60005
B62101
OXYGEN SENSOR I
(IN FRONT OF CATALYTIC
CONVERTER)
B62201
OXYGEN SENSOR II
(IN FRONT OF CATALYTIC
CONVERTER)
B62102
OXYGEN SENSOR I
(BEHIND CATALYTIC
CONVERTER)
B62202
OXYGEN SENSOR II
(BEHIND CATALYTIC
CONVERTER)
F10880AF10750A
F20130AF20320AF20430A
1210.27-09
1210.27-021210.27-00
T6151
CYL. 1 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
T6155
CYL. 5 IGNITION
COIL
T6156
CYL. 6 IGNITION
COIL1210.27-01
7 6
9
E8F202
30A
D
781412
R10
PEDAL POSITION
SENSOR
1210.27-13 13
9D
1210.27-08
C6000
SUPPRESSION CA-
PACITOR 1210.27-01
7C
1210.27-05
12 B
B6224
CAMSHAFT
POSITION
SENSOR 2
(OUTLET) 1210.27-07
F155AF2610A
P90
FRONT POWER
DISTRIBUTION
BOX
F135AF1820A 50 15 30 15
6
1210.27-04
B6207
HOT FILM AIR
MASS METER
622177
1210.27-08
B5351
EXHAUST
TEMPERATURE
SENSOR
1019187 131
16 15 14
5
1210.27-04
Y5392
ELECTRIC
THROTTLE
MOTOR
9220
1210.27-04
R6252
THROTTLE
POSITION
SENSOR
231426
1210.27-09
K6301z
ELECTRIC FUEL
PUMP RELAY,
TIMED
M2
FUEL PUMP 1210.27-09
S30
BRAKE LIGHT
SWITCH 1210.27-10
2429K19
COMPRESSOR
CONTROL
RELAY 1210.27-10
K22
HIGH SPEED
RELAY 1210.27-12
3CCB
35 34 33
3 2
1
4443
Y5255
VARIABLE CAM-
SHAFT CONTROL
VALVES
450
1210.27-03
B6236
ENGINE COOLANT
TEMPERATURE
SENSOR
25451
B6203
CRANKSHAFT
POSITION/RPM
SENSOR
NS
218
1210.27-06
1210.27-10S32
CLUTCH SWITCH
B13
1210.27-11
G6509
GENERATOR26
1210.27-11B6231
OIL PRESSURE
SWITCH
19
1210.27-12
S555
TIRE PRESSURE
WARNING SYSTEM
(RDW) PUSH-
BUTTON
C39
1210.27-12B6254
THERMAL OIL
LEVEL SWITCH
C
38
S8511
REVERSING
LIGHT SWITCH
28 30
M119
LEAKAGE DIAG-
NOSIS PUMP 1210.27-09
A6000
ENGINE CONTROL
MODULE (DME)
M VERSIONS
1210.27 ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)





Pin Assignments (M Versions)




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
9
Not used
10EA_TABGASTemperature signalExhaust temperature sensor
11AA_PEKPActivate relayElectrical fuel pump relay, timed
12AS_EBOXSignal E-box fanE-box fan
13MT_LHV2Oxygen sensor heating groundOxygen sensor 2 (in front of
catalytic converter)
14EA_LSV1Sensor signalOxygen sensor 1 (in front of
catalytic converter)
15EA_LSV2Sensor signalOxygen sensor 2 (in front of
catalytic converter)
16EA_LSH1Sensor signalOxygen sensor 1 (behind catalytic
converter)
17Not used
18EA_LSH2Sensor signalOxygen sensor 2 (behind catalytic
converter)
19MT_LHH2Oxygen sensor heating groundOxygen sensor 2 (behind catalytic
converter)
20ES_KUPPLUClutch pedal depressedClutch switch
21Not used
22Not used
23AS_HRActivate relayEngine control module relay
24Not used
X60003
Pin Type Signal Description/Function Connection
1
EA_HFMSignal air mass meterHot film air mass meter
2EP_NWGA1Signal camshaft positionCamshaft position sensor 2 (outlet)
3Not used
4ATNWE_F1Activate valveVariable camshaft control valve
(inlet) – advance
5EP_NWGE1Signal camshaft positionCamshaft position sensor 1 (inlet)
6EP_NWGA1Signal camshaft positionCamshaft position sensor 2 (outlet)





Pin Assignments (M Versions)




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
37
AP_EVZ5Activate valveCyl. 5 fuel injection valve
38AP_EVZ6Activate valveCyl. 6 fuel injection valve
39EF_OLNOil level/temperature signalThermal oil level switch
40Not used
41Not used
42AT_TEVActivate valveEvaporative emission valve
43AT_NWA_S1Activate valveVariable camshaft control valve
(outlet) – retard
44AT_NWA_F1Activate valveVariable camshaft control valve
(outlet) – advance
45AS_DMTL–LEDTire pressure warning lamp controlInstrument cluster
46AT_LLFSSCLOSE signalIdle speed control valve
47AT_LLFSOOPEN signalIdle speed control valve
48Not used
49Not used
50AT_NWE_S1Activate valveVariable camshaft control valve
(inlet) – retard
51AS_SSPActivate valveSolenoid valve, sucking jet pump
52Not used
X60004
Pin Type Signal Description/Function Connection
1
A61Battery charge indicatorInstrument cluster
2Not used
3AS_SLPActivate relaySecondary air pump relay
4EELUESignal, auxiliary fan ONHigh speed relay
5Not used
6ES_50Signal startFuse 15
7MM_FW1GroundPedal position sensor
8EA_FW1Signal, pedal position 1Pedal position sensor
9AU_FW1Voltage supplyPedal position sensor
10Not used

3 X60004
POWER
DISTRIBUTION
0670.2


ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)









2 X6304
X61331X6133
2
Y6133
AIR PUMP
X861
GROUND
DISTRIBUTION
0670.4X6304
5
GROUND
DISTRIBUTION
0670.4
6
4 RT/GE
11
A6000
ENGINE CONTROL
MODULE (DME)
4
X60002
8
K6304
SECONDARY AIR
PUMP RELAY
G7512
B+ JUNCTION
POINT
F107
50A
X1982
1 X6301
.35 SW/VI.5 BR/GN
31
X18170
K6301z
ELECTRIC FUEL
PUMP RELAY,
TIMED
7
GROUND
DISTRIBUTION
0670.4
X13032
X65001X6500
4
M2
FUEL PUMP
2
2.5 RT/WS
3
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
X10016
F135A
6
6
FUSE DETAILS
0670.3
F1820A
16
X1714
6 X6021
.5 SW/VI
M VERSIONS
M119
LEAKAGE DIAGNO-
SIS PUMP
28
2
.5 SW/GNX1714
30
1
.75 BR/BL
8X6301



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
K22 . . . HIGH SPEED RELAY . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . 09-3

K25 . . .
RIGHT PARK LIGHT/LICENSE PLATE
LIGHT RELAY . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . .

01-3


K26 . . .
LEFT PARK LIGHT RELAY . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . .
01-3

K33a . .

AIR CONDITIONING RELAY, MOTRONIC .

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

09-3


K46 . . . HIGH BEAM LIGHT RELAY . . . . . . . . . . . . . footwell, driver’s side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-3
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 . . . . . . . . . . . . . . . .



01-3




K104 . .

AIR CONDITIONING RELAY/AUXILIARY
WATER PUMP . . . . . . . . . . . . . . . . . . . . . . .
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






K911 . . .

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






K920 . .

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






K921 . .

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




K6300 . ENGINE CONTROL MODULE RELAY . . . . rear RH side of engine compartment in E–Box
K6301w FUEL PUMP RELAY . . . . . . . . . . . . . . . . . . . . below LH side of dash (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-3

K6301z
ELECTRIC FUEL PUMP RELAY, TIMED . .
under rear storage compartment (M VERSIONS)



K6304 . SECONDARY AIR PUMP RELAY . . . . . . . . rear RH side of engine compartment in E–Box



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
Y4z . . . . WATER VALVE . . . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-3

Y5 . . . . .
DRIVER’S SIDE MIRROR . . . . . . . . . . . . . . .
in upper LH front door



Y6 . . . . . PASSENGER’S SIDE MIRROR . . . . . . . . . . in upper RH front door
Y16z . . PRESSURE TRANSMITTER . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
Y19 . . . SHIFT–LOCK . . . . . . . . . . . . . . . . . . . . . . . . . . center console

Y5255 .
VARIABLE CAMSHAFT CONTROL
VALVES . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine




Y5392 . ELECTRIC THROTTLE MOTOR . . . . . . . . . LH side of engine

Y6101 .
CYL. 1 FUEL INJECTION VALVE . . . . . . . .
on cylinder head



Y6102 . CYL. 2 FUEL INJECTION VALVE . . . . . . . . on cylinder head
Y6103 . CYL. 3 FUEL INJECTION VALVE . . . . . . . . on cylinder head
Y6104 . CYL. 4 FUEL INJECTION VALVE . . . . . . . . on cylinder head
Y6105 . CYL. 5 FUEL INJECTION VALVE . . . . . . . . on cylinder head

Y6106 .

CYL. 6 FUEL INJECTION VALVE . . . . . . . .

on cylinder head




Y6120 . EVAPORATIVE EMISSION VALVE . . . . . . . LH side of engine compartment
Y6130 . IDLE SPEED CONTROL VALVE . . . . . . . . . front of engine
Y6133 . AIR PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment

Y6163 .
SECONDARY AIR PUMP VALVE . . . . . . . .
LH side of engine compartment



Y6165 . SOLENOID VALVE, SUCKING JET PUMP rear LH side of engine compartment


Y6167 .

VALVE, INDIVIDUAL CONTROL INTAKE
SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LH side of engine compartment






Y6275z

VARIABLE CAMSHAFT CONTROL VALVE
1 (INLET) . . . . . . . . . . . . . . . . . . . . . . . . . . .
on cylinder head

A35y
BOARD COMPUTER
(BC – LOW)
X10010
GROUND


7100.0 COMPONENT LOCATION VIEWS












X13004
GROUNDS220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
K46
HIGH BEAM LIGHT
RELAY

X10245X18349
K6301w
FUEL PUMP RELAY
N17
CRASH CONTROL
MODULEX322X1588


P97
AUXILIARY FUSE
BOX