fuel pump BMW Z3M COUPE 1999 E36 Electrical Troubleshooting Manual

INDEX











\b\b\b

E–BOX FAN 1290.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . .
E –BOX FAN, M6506 1290.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
.
ELECTRICAL COMPRESSOR, M805 3614.0-00 . . . . . . . . . . . . . . . . . . . . . . .
ELECTRO –HYDRAULIC CONVERTIBLE TOP 5430.2 . . . . . . . . . . . . . . . . . .
ELECTRONIC IMMOBILIZER CONTROL MODULE (EWS III), A837 6135.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . .
ELECTRONIC TRANSMISSION CONTROL (EGS A4S 310R) 2460.2 . . . .
ENGINE CONTROL MODULE (DME), A6000 1210.17 . . . . . . . . . . . . . . . . . .
ENGINE CONTROL MODULE (DME), A6000 1210.25 . . . . . . . . . . . . . . . . . .
ENGINE CONTROL MODULE RELAY, K6300 1210.17-00 . . . . . . . . . . . . . .
ENGINE CONTROL MODULE RELAY, K6300 1210.25-00 . . . . . . . . . . . . . .
ENGINE CONTROL RELAY (ABS/ASC), K94 3450.1-00 . . . . . . . . . . . . . . . .
ENGINE CONTROL SYSTEM MS41.1 (6 –CYLINDER M52) 1210.17 . . . . .
ENGINE CONTROL SYSTEM MS42.1 (6 –CYLINDER M52) 1210.25 . . . . .
ENGINE COOLANT TEMPERATURE SENSOR, B6232 1210.17-02 . . . . . .
ENGINE COOLANT TEMPERATURE SENSOR, B6232 6211.0-03 . . . . . . .
ENGINE COOLANT TEMPERATURE SENSOR, B6236 1210.17-02 . . . . . .
ENGINE COOLANT TEMPERATURE SENSOR, B6236 1210.25-07 . . . . . .
ENGINE HOOD SWITCH, S21w 6575.2-00 . . . . . . . . . . . . . . . . . . . . . . . . . . .
EVAPORATIVE EMISSION VALVE, Y6120 1210.17-05 . . . . . . . . . . . . . . . . .
EVAPORATIVE EMISSION VALVE, Y6120 1210.25-03 . . . . . . . . . . . . . . . . .
EVAPORATOR CONTROLLER, S221 6450.6-01 . . . . . . . . . . . . . . . . . . . . . .
EVAPORATOR CONTROLLER, S221 6450.6-05 . . . . . . . . . . . . . . . . . . . . . .
EVAPORATOR TEMPERATURE SENSOR, B14 6450.6-01 . . . . . . . . . . . . .
EVAPORATOR TEMPERATURE SENSOR, B14 6450.6-05 . . . . . . . . . . . . .
EWS TOROIDAL COIL, L1 6135.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT RELAY, FRONT, K47 6312.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT SWITCH, S10 6312.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT, LEFT, E26 6312.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT, RIGHT, E27 6312.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FRESH AIR RECIRCULATION MOTOR, M111 6450.6-01
. . . . . . . . . . . . . . .
FRESH AIR RECIRCULATION MOTOR, M111 6450.6-05 . . . . . . . . . . . . . . .
FRONT POWER DISTRIBUTION BOX, FRONT, P90 0670.2 . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 1, Y6101 1210.17-01 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 1, Y6101 1210.25-02 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 2, Y6102 1210.17-01 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 2, Y6102 1210.25-02 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 3, Y6103 1210.17-01 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 3, Y6103 1210.25-02 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 4, Y6104 1210.17-01 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 4, Y6104 1210.25-02 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 5, Y6105 1210.17-01 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 5, Y6105 1210.25-02 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 6, Y6106 1210.17-01 . . . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 6, Y6106 1210.25-02 . . . . . . . . . . . . . . . . . .
FUEL PUMP RELAY, K6301w 1210.17-04 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUEL PUMP RELAY, K6301w 1210.25-06 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUEL PUMP, M2 1210.17-04 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . .
FUEL PUMP, M2 1210.25-06 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . .
FUEL SENSOR, B6y 6211.0-02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\

FUEL T ANK PRESSURE SENSOR, B65 1210.17-09
. . . . . . . . . . . . . . . . . . .
FUSE CHART 0670.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . .
FUSE DETAILS 0670.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . .
FUSE HOLDER IN E –BOX, P98 0670.2-01 . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUSE HOLDER, P99 0670.2-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\

GENERATOR, G6509 1230.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
GROUND DISTRIBUTION 0670.4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HARD TOP CONNECTOR 1, E99 6424.0-01 . . . . . . . . . . . . . . . . . . . . . . . . . .
HAZARD FLASHER RELAY, K16 6313.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . .
HAZARD SWITCH, S18 6313.0-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



POWER DISTRIBUTION CHART
RELAY PANEL UNDER LH SIDE OF DASHBOARD












N17
CRASH CONTROL
MODULEX65
K6301w
FUEL PUMP RELAYX6301
K46
HIGH BEAM LIGHT
RELAYX10262



FUSES 11, 12, AND 13







FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
6 X100162
E14
RIGHT LOW BEAM
LIGHT
4
E13
LEFT LOW BEAM
LIGHT
2 X135
2 X130
6312.0
6350.0
6312.0
6350.0
E8
RIGHT HEADLIGHT
E7
LEFT HEADLIGHT
1 GE/GN 1 GE/BL




F135A F117.5AF127.5A 56b 56b
Z3 VERSIONS M VERSIONS
K6301w
FUEL PUMP RELAY .35 RT/WS
1210.25
8 X6301
S30
BRAKE LIGHT
SWITCH
6325.0
6571.04 X78
X11212
.5 RT/WS
.75 RT/WS
A52
SLIP CONTROL
MODULE
(ABS/ASC) 1.5 RT/WS/GE
3450.1
1 X1175
S6
ASC SWITCH
3450.11 X2227
X2233
.5 RT/WS/GE
.5 RT/WS/GE
7.5AZ3 VERSIONS
B6247
CHARCOAL FILTER
SHUT–OFF VALVE
1210.17
2 X6247
K6301w
FUEL PUMP RELAY8 X6301
.5 RT/WS/GE.5 RT/WS/GE
1210.17

M VERSIONS


FUSES 14, 15, 16, AND 18







FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX




8
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
1 GE/BR
E26
LEFT FOG LIGHT
A2w
INSTRUMENT
CLUSTER 8 X17
.75 GE/BR
6312.01 GE/BR
E27
RIGHT FOG LIGHT
NSW
10X10016
1 GE/BR
X1152
2 X7682 X769
6312.0 6312.0
8 X13252
2.5 RT/BL
5133.0
F1430AF1510A
6100.0
K6301w
FUEL PUMP RELAY
16
K21
NORMAL SPEED
RELAY 4 X52
12
.5 GN/BL
6450.6
K22
HIGH SPEED RELAY 4 X53
.5 GN/BL
6450.6
K19
COMPRESSOR
CONTROL RELAY 4 X51
X470
6 X6301
2.5 RT .5 GN/BL
1210.25 1210.17
1210.17
1210.25
F165AF1815A
6450.6
.5 GN/BL
Z3 VERSIONS 8

.5 RT/
WS/GE


FUSE 202






FUSE DETAILS



P98
FUSE HOLDER IN
E–BOX
X9664
4 X8680
8
A6000
ENGINE CONTROL
MODULE (DME)
1210.25F202
30A
X61201
Y6120
EVAPORATIVE
EMISSION VALVE
4 RT/WS/GE
1 RT/
WS/GE
X61302
Y6130
IDLE SPEED
CONTROL VALVE
X61672
Y6167
VALVE, INDIVIDUAL
CONTROL INTAKE
SYSTEMX600019
X6960
.5 RT/
WS/GE
1210.251 RT/
WS/GE
1210.25
X61632
Y6163
SECONDARY AIR
PUMP VALVE
1210.25
2 X60532.5 RT/WS/GE
2.5 RT/WS/GE
1210.25
X62751
Y6275z
VARIABLE CAM-
SHAFT CONTROL
VALVE 1 (INLET)
X62761
Y6276
VARIABLE CAM-
SHAFT CONTROL
VALVE 2 (OUTLET)
1210.25.5 RT/
WS/GE
1210.25 1.5 RT/
WS/GE.5 RT/
WS/GE.5 RT/WS/GE
.5 RT/
WS/GE
X61011
Y6101
CYL. 1 FUEL
INJECTION VALVE
1210.25
X61021
Y6102
CYL. 2 FUEL
INJECTION VALVE
X61031
Y6103
CYL. 3 FUEL
INJECTION VALVE
1210.25.5 RT/
WS/GE
1210.25 .5 RT/WS/GE .5 RT/
WS/GE
X61041
Y6104
CYL. 4 FUEL
INJECTION VALVE
1210.25
X61051
Y6105
CYL. 5 FUEL
INJECTION VALVE
X61061
Y6106
CYL. 6 FUEL
INJECTION VALVE
1210.25.5 RT/
WS/GE
1210.25 .5 RT/WS/GE
X6963
1.5 RT/WS/GE



GROUND DISTRIBUTION
GROUNDS X13016 AND X13032










2.5 BRX605
4
X8243A18
HIFI AMPLIFIERX65001M2
FUEL PUMP
2.5 BR 2.5 BR
X13016
X1812615N9
RADIO
1.5 BR
2.5 BR
X181801N22
CD CHANGER
.5 BR
X13032

45
B6204
CAMSHAFT
POSITION SENSOR
(CYLINDER
IDENTIFICATION) 1210.17-06





A6000
ENGINE CONTROL
MODULE (DME) 1210.17-00
7387
1210.17-02
B6207
HOT FILM AIR
MASS METER K6300
ENGINE CONTROL
MODULE RELAY
8726Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE 1210.17-01
29
T6151
CYL. 1 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
3
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6155
CYL. 5 IGNITION
COIL
T6156
CYL. 6 IGNITION
COIL
18
161456
B6205
INTAKE AIR
TEMPERATURE
SENSOR39
B6236
ENGINE COOLANT
TEMPERATURE
SENSOR
12 4442
R6252
THROTTLE
POSITION SENSOR
22 1210.17-05
15S2
IGNITION SWITCH
301312
1210.17-03
1210.17-03
1210.17-021210.17-05
A837
ELECTRONIC
IMMOBILIZER CONTROL
MODULE (EWS III) 1210.17-08
X6000
88
S221
EVAPORATOR
CONTROLLER
TXD
B8y
PRESSURE
SWITCH
1210.17-02
+
–
G6430
B+ JUMP START
JUNCTION POINT
D100
DATA LINK
CONNECTOR 1210.17-00
S221
EVAPORATOR
CONTROLLER 1210.17-08
19
F165AP90
FRONT POWER
DISTRIBUTION BOX 1210.17-07
74K19
COMPRESSOR
CONTROL RELAY
1210.17-07
86
85
F1815A
P90
FRONT POWER
DISTRIBUTION BOX
M2
FUEL PUMPK6301w
FUEL PUMP RELAY
1210.17-041210.17-04
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.17-01
241210.17-0562
Y6275
VARIABLE CAM-
SHAFT CONTROL
VALVE 1
Y6120
EVAPORATIVE
EMISSION VALVE
Y6163
SECONDARY AIR
PUMP VALVE
Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”)
23 50 3368+
–
+
–
B9508
PRESSURE
SWITCHX6000
X6000
65
B6240
KNOCK SENSOR 1210.17-06
5963
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY 1210.17-08
9
8081
A52
SLIP CONTROL
MODULE
(ABS/ASC)
1210.17-00
M6506
E–BOX FAN 1210.17-00
B62201
OXYGEN SENSOR II (IN
FRONT OF CATALYTIC
CONVERTER) 1210.17-04
7977715425 75 6720
A2w
INSTRUMENT
CLUSTER 1210.17-09
463649
Y6133
AIR PUMP 1210.17-05
F135A
SPARK PLUGS
B6247
CHARCOAL FILTER
SHUT–OFF VALVE
511210.17-09
K6304
SECONDARY AIR
PUMP RELAY
K6326
UNLOADER RELAY,
TERMINAL 15
35
G6430
B+ JUMP START
JUNCTION POINT1210.17-05
11 4 0
B65
FUEL TANK
PRESSURE
SENSOR 1210.17-0932 34443641582415758
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.17-06
3883
53 27Y6130
IDLE SPEED
CONTROL VALVE 1210.17-015 6211210.17-01
1210.17-05
60
D100
DATA LINK
CONNECTOR1210.17-02
1210.17-08
10
1210.17-07
1210.17-071210.17-08
69
2852
NOT USED
1210.17-02
61 55
78 76
72 70
NOT USED B62202
OXYGEN SENSOR II
(BEHIND CATALYTIC
CONVERTER)
B62101
OXYGEN SENSOR I (IN
FRONT OF CATALYTIC
CONVERTER)
B62102
OXYGEN SENSOR I
(BEHIND CATALYTIC
CONVERTER)
EARLY
PRODUCTION
48
LATE
PRODUCTION
X6000
X6000
1210.17 ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)



Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
30
ACyl. 3 ignition coil controlCyl. 3 ignition coil
31ACyl. 5 ignition coil controlCyl. 5 ignition coil
32MGroundGround point
33ACyl. 5 fuel injection valve controlCyl. 5 fuel injection valve
34MGroundGround point
35AActivate relaySecondary air pump relay
36ACrankshaft RPM speed signal TDInstrument cluster
37Not used
38MGroundShield knock sensor
39MGroundTemperature sensors
40MGroundCrankshaft position/RPM sensor
Fuel tank pressure sensor
41MGroundShield camshaft position sensor
42MGroundThrottle position sensor
43MGroundCamshaft position sensor
44AVoltage supplyThrottle position sensor
Fuel tank pressure sensor
45AThrottle position signalABS/ASC control module
46ETI-measurement signal (fuel consumption)Instrument cluster
47Not used
48AVoltage supplyCrankshaft position/RPM sensor
(Early Production)
49ETerminal 15Ignition switch
50ARunning lossesSolenoid valve
51AActivate valveCharcoal filter shut off valve
52Not used
53AActivate valveIdle speed control valve
54EBattery voltage, terminal 87Engine control module relay
55MOxygen sensor heating groundOxygen sensor II (in front of catalytic
converter)
56MGroundGround point
57ECyl. 1-3 knock sensorKnock sensor
58ECyl. 1-3 knock sensorKnock sensor



Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
59
ECyl. 4-6 knock sensorKnock sensor
60EProgramming voltageData link connector
61MOxygen sensor heating groundOxygen sensor II (behind catalytic
converter)
62EActivate valveSecondary air pump value
63ECyl. 4-6 knock sensorKnock sensor
64ECamshaft positionCamshaft position sensor
65ECamshaft positionCamshaft position sensor
66Not used
67MOxygen sensor signal groundOxygen sensor I (in front of catalytic
converter)
68EActivate valveEvaporative emission valve
69EActivate relayFuel pump relay
70MOxygen sensor signal groundOxygen sensor II (in front of catalytic
converter)
71MOxygen sensor signal groundOxygen sensor I (behind catalytic
converter)
72MOxygen sensor signal groundOxygen sensor II (behind catalytic
converter)
73EActivate relayEngine control module relay
74AActivate A/C compressorCompressor control relay
75ESensor signalOxygen sensor I (in front of catalytic
converter)
76ESensor signalOxygen sensor II (in front of catalytic
converter)
77ESensor signalOxygen sensor I (behind catalytic
converter)
78ESensor signalOxygen sensor II (behind catalytic
converter)
79MOxygen sensor heating groundOxygen sensor I (behind catalytic
converter)
80AASC signal ZASlip control module ABS/ASC
81AASC signal ZWVSlip control module ABS/ASC
82AASC signal MSRSlip control module ABS/ASC
83ESensor signalCrankshaft position/RPM sensor



ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)








2.5 RT/WS
X65001
GROUND
DISTRIBUTION
0670.4
4 X6500
2 6 8 X6301
69X6301
4
2.5 GN/VI.5 BR/GN
M2
FUEL PUMP
A6000
ENGINE CONTROL
MODULE (DME)
K6301w
FUEL PUMP RELAY 

 
X6000
X13032
79
X6822
7177
1210.17-05
72 61 78
124 3
X62102
X62102
B62102
OXYGEN SENSOR
I (BEHIND
CATALYTIC
CONVERTER)
2 14 3
X62202
X62202
B62202
OXYGEN SENSOR
II (BEHIND
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
1210.17-00
13
16
X100166
P90
FRONT POWER
DISTRIBUTION BOX
5 X10016
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
F135AF1815A
14 X20
1 RT/WS
.5 RT/WS
.5 RT/WS
X20
.5 GN/VI(PARTIAL)
.5 BR
25677570 55 76
124 3
X62101
X62101
B62101
OXYGEN SENSOR
I (IN FRONT OF
CATALYTIC
CONVERTER)
2 14 3
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
M VERSIONS