fuel pump BMW Z3M ROADSTER 2000 E36 Electrical Troubleshooting Manual

                   
                                       
17
8
10/991210.252000
B6240
KNOCK SENSOR 1210.25-09
3132293048
Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE 1210.25-02
35
+
–
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.25-02
361210.25-034138 40 3742
+
–
46 47Y6130
IDLE SPEED
CONTROL VALVE 1210.25-0334 3352
T6151
CYL. 1 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6155
CYL. 5 IGNITION
COIL
T6156
CYL. 6 IGNITION
COIL 1210.25-01
1210.25-01
718 9
1210.25-01
32
D
+
– F205
30A
1723 AEB9A
F1815A
M2
FUEL PUMPK6301w
FUEL PUMP
RELAY
1210.25-061210.25-06
1210.25-04
F137.5A
S30
BRAKE LIGHT
SWITCH
281210.25-04310174524
F4615A
Y6139
LEAKAGE DIAG-
NOSIS PUMP 1210.25-04
3430
1210.25-06
1918
1210.25-04
121292639
B6254
THERMAL OIL
LEVEL SWITCH
F2610A
434416204710
R6385
THROTTLE
POSITION SEN-
SOR/CRUISE
CONTROL
ACTUATOR26
1210.25-08
1210.25-08
13
1210.25-09
122223
1210.25-07
2425
1210.25-07
2728
1210.25-07
2236
1210.25-08
37
1210.25-08
111223
1210.25-091210.25-101210.25-09
213327356
1210.25-10
4565
A6000
ENGINE CONTRO
MODULE (DME)
1210.25-08
436
P98
FUSE HOLDER IN
E–BOX1210.25-00
K6326
UNLOADER
RELAY, TERMINAL
15
A8500
TRANSMISSION
CONTROL
MODULE (EGS)G6400
B+ JUNCTION
POINT E–BOX
K6300
ENGINE CONTROL
MODULE RELAY
1210.25-05
B6207
HOT FILM AIR
MASS METERB6203
CRANKSHAFT
POSITION/RPM
SENSOR
B6214
CAMSHAFT
POSITION
SENSOR 1 (INLET)
B6224
CAMSHAFT
POSITION
SENSOR 2
(OUTLET)B6279
THERMOSTAT,
CHARACTERISTIC
MAP COOLING
1210.25-051210.25-05P98
FUSE HOLDER IN
E–BOXG7512
B+ JUNCTION
POINT
K19
COMPRESSOR
CONTROL
RELAY 1210.25-10K6304
SECONDARY AIR
PUMP RELAY
Y6133
AIR PUMP
1210.25-09
1210.25-07
B6231
OIL PRESSURE
SWITCHG6509
GENERATORM6510
STARTER
B6205
INTAKE AIR
TEMPERATURE
SENSORB6236
ENGINE COOLANT
TEMPERATURE
SENSORB6238
OIL
TEMPERATURE
SENSOR
A52
SLIP CONTROL MODULE
(ABS/ASC)
A65
DYNAMIC STABILITY CONTROLA2w
INSTRUMENT
CLUSTER
A104
BODY
ELECTRONICS
CONTROLS32
CLUTCH SWITCH
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS)A837
ELECTRONIC
IMMOBILIZER
CONTROL
MODULE (EWS III)A8500
TRANSMISSION
CONTROL
MODULE (EGS)
A9008
CRUISE CONTROL
INTERFACE A
2 349
5
2 818
15 21
CD7 131
16 15 14
24 22 21 20
BDC
TXD
19149CDBEA
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
F20230AF20320AF20430A
P90
FRONT POWER
DISTRIBUTION
BOX1210.25-04
P90
FRONT POWER
DISTRIBUTION
BOX
Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”) Y6167
VALVE, INDIVIDUAL CONTROL
INTAKE SYSTEM
Y6163
SECONDARY AIR PUMP VALVE
Y6120
EVAPORATIVE EMISSION
VA LV E
Y6276
VARIABLE CAMSHAFT
CONTROL VALVE 2 (OUTLET)
Y6275z
VARIABLE CAMSHAFT
CONTROL VALVE 1 (INLET)
1210.25-09
1210.25-01
1210.25-001210.25-00
D100
DATA LINK
CONNECTOR
1210.25 ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)


 



Pin Assignments




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_OLNLevel signalOil level sensor
40AT_NWE1Activate valveVariable camshaft control valve 1
(inlet)
41AT_NWA1Activate valveVariable camshaft control valve 2
(outlet)
42AT_TEVActivate valveEvaporative emission valve
43AT_MDK1Activate motorCruise control actuator
44AT_MDK2Activate motorCruise control actuator
45AS_KFKCooling signalThermostat, characteristic map
cooling
46AT_LLFSSCLOSE signalIdle speed control valve
47AT_LLFSOOPEN signalIdle speed control valve
48MW_KSGroundShield knock sensor
49AS_DISAActivate valveValve, individual control intake
system
50Not used
51Not used
52AS_SLPV1Activate valveSecondary air pump valve
X60004
Pin Type Signal Description/Function Connection
1
A61Charging signalInstrument cluster
2A30HStart signalBody electronics control module
(ZKE IV)
3ASLPActivate relaySecondary air pump relay
4Not used
5Not used
6Not used
7Not used
8Not used


 



Pin Assignments




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
9
Not used
10AEKPActivate relayFuel pump relay
11AOELDOil pressure signalInstrument cluster
12Not used
13Not used
14Not used
15Not used
16Not used
17ATDCrankshaft RPM speed signal (TD)Electronic immobilizer control
module (EWS III)/Thermal oil level
sensor (TOENS) control module
18Not used
19Not used
20Not used
21AA-OELNOil level signalThermal oil level sensor (TOENS)
control module
22EDFAHRSpeed signal right rearABS/ASC/DSC control module
23EKUPPClutch signalClutch switch
24EKL 54 ONBrake signalBrake light switch
25Not used
26E15A26Terminal 15Fuse 26
27EMFLCruise control signalCruise control interface
28ES_BLTSBrake signalBrake light switch
29AS_KORELActivate relayCompressor control relay
30ALDPVActivate valveLeakage diagnosis pump
31Not used
32E/ATXDIITXD diagnosis data linkData link connector
33EEWSDMEDrive-away protection signal (code)Electronic immobilizer control
module (EWS III)
34ELDPSLeakage signalLeakage diagnosis pump
35M31GroundCruise control interface
36E/ACAN+CAN bus highInstrument cluster, ABS/ASC/DSC
control module



ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)



 







X65001
GROUND
DISTRIBUTION
0670.4
4 X6500
2 6 8 X6301
10X6301
4
2.5 GN/VI .35 SW/VI
M2
FUEL PUMP
A6000
ENGINE CONTROL
MODULE (DME)
K6301w
FUEL PUMP RELAY 

 
X60002
X13032
7221624 19 18
234 1
X62102
X62102
B62102
OXYGEN SENSOR
I (BEHIND
CATALYTIC
CONVERTER)
3 24 1
X62202
X62202
B62202
OXYGEN SENSOR
II (BEHIND
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
16
X100166
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
F137.5AF1815A
.5 RT/WS
.5 BR
1201421 13 15
234 1
X62101
X62101
B62101
OXYGEN SENSOR
I (IN FRONT OF
CATALYTIC
CONVERTER)
3 24 1
X62201
X62201
B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
.5 BR
.5 RT/WS
X60004
X86808P98
FUSE HOLDER IN
E–BOX
FUSE DETAILS
0670.3
F20430A
Z3 VERSIONS



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
L1 . . . . EWS TOROIDAL COIL . . . . . . . . . . . . . . . . . at ignition switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36-3

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



M3 . . . WIPER MOTOR . . . . . . . . . . . . . . . . . . . . . . . rear of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-3
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-1


M17 . .

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






M17 . .

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

40-2




M17 . .

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

37-2


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





M25 . .

CRUISE CONTROL ACTUATOR
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
08-3

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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3



COMPONENT LOCATION CHART












COMP.8500.0 7100.0LOCATION DESCRIPTION
Y6106 CYL. 6 FUEL INJECTION VALVE . . . . . . . . on cylinder head

Y6120
EVAPORATIVE EMISSION VALVE . . . . . . .
LH side of engine compartment (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43-2

Y6120 EVAPORATIVE EMISSION VALVE . . . . . . . LH side of engine compartment (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-2
Y6130 IDLE SPEED CONTROL VALVE . . . . . . . . . front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43-3
Y6133 AIR PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-2
Y6139 LEAKAGE DIAGNOSIS PUMP . . . . . . . . . . . under LH center of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41-2

Y6163
SECONDARY AIR PUMP VALVE . . . . . . . .
LH side of engine compartment (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33-2

Y6163 SECONDARY AIR PUMP VALVE . . . . . . . . LH side of engine compartment (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42-3


Y6167

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

46-3




Y6275

VARIABLE CAMSHAFT CONTROL VALVE
1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31-3




Y6275z

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

45-3




Y6276

VARIABLE CAMSHAFT CONTROL VALVE
2 (OUTLET) . . . . . . . . . . . . . . . . . . . . . . . . .
on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

45-2


Y6550 SOLENOID VALVE (”RUNNING LOSSES”) under LH center of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-3
Y8521 TRANSMISSION VALVE UNIT . . . . . . . . . . . on RH side of transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-1



X32X33X72X295
K46
HIGH BEAM LIGHT
RELAY
K6301w
FUEL PUMP RELAY
S8507
KICK–DOWN
SWITCH
X8507
COMPONENT LOCATION VIEWS











N17
CRASH CONTROL
MODULE



X322X1588

P97
AUXILIARY FUSE
BOX