relay BMW Z3M COUPE 1999 E36 Electrical Troubleshooting Manual



ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)
X6300
POWER










46
.5 RT
4 RT/WS
.5 RT/WS.5 BR
4 RT4 RT
8 X6300
73 5426 X6000
X6506
X6821
2
K6300
ENGINE CONTROL
MODULE RELAYG6430
B+ JUMP START
JUNCTION POINT
A6000
ENGINE CONTROL
MODULE (DME)86
8530
87
.5 RT/WS.5 RT/WS
M6506
E–BOX FAN POWER
DISTRIBUTION
0670.22
1210.17-041.5 RT/WS 1 RT/WS
.5 RT/WS
1210.17-01 1210.17-01
4 RTX6412
.5 RT/WS
87
2.5 RT14 X6002
D100
DATA LINK
CONNECTOR
X6411
31
6 RTX6430
1210.17-05
M VERSIONS
2.5 RT/WS
1210.17-06
LATE PRODUCTION

.5 GN
1


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









7 X33
POWER
DISTRIBUTION
0670.2
21 X20
49 X6000
2.5 GNS2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
.75 GN
.5 GN
43 .5 BR/GR
.5 BR/RT
B6256
DUAL
TEMPERATURE
SENSOR
(COOLANT
TEMPERATURE)1 2 X6205
.5 BR/GR
B6205
INTAKE AIR
TEMPERATURE
SENSOR .5 GR
14 3910 X6000
A6000
ENGINE CONTROL
MODULE (DME) X203
2.5 GN
1 X209
X6832
X8038
2
X6256
X8071X8051
A2w
INSTRUMENT
CLUSTER
1112 X20
17 18 X17
.5 BR/GE .5 BR/VI
.5 BR/GE .5 BR/VI
.5 BR/GE .5 BR/VI
.5 BR/GR
B6236
ENGINE COOLANT
TEMPERATURE
SENSORB6232
ENGINE COOLANT
TEMPERATURE
SENSOR
2
10
3
R
1 X6150
2
4 X6326
K6326
UNLOADER RELAY,
TERMINAL 15
2.5 GN
8 X6326
30
87

X6830
62.5 RT
85 86
2.5 GN
2.5 GNGROUND
DISTRIBUTION
0670.4
2.5 RTX6413
X6415POWER
DISTRIBUTION
0670.210 RT
X6432
POWER
DISTRIBUTION
0670.2
G6430
B+ JUMP START
JUNCTION POINT
10 RT
M VERSIONS



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



ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)
POWER
DISTRIBUTION
0670.2
G6430
B+ JUMP START
JUNCTION POINT
2.5 BR









1
4
X62072
32 3442 12 X6000
44 87
1 2 3 X6252
.5 SW.5 GE
1.5 BR.5 BR.5 SW.5 RT/GN
B6207
HOT FILM AIR
MASS METER
A6000
ENGINE CONTROL
MODULE (DME)
R6252
THROTTLE
POSITION SENSOR GROUND
DISTRIBUTION
0670.4
X6454
5V (15)
4
1.5 BR28
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
X61202
68
1210.17-00
X6120
1
Y6120
EVAPORATIVE
EMISSION VALVE
.5 RT/WS
.5 BR
+–
3X6207
.5 RT/WS
X61631
62
X61632
Y6163
SECONDARY AIR
PUMP VALVE .5 RT/WS
.5 BR/WS
1210.17-04
X65502
50
X65501
Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”) .5 RT/WS
.5 GE/BL
8 2 X6304
K6304
SECONDARY AIR
PUMP RELAY
30
35X6000.5 BR/GN
X61331X6133
2
Y6133
AIR PUMP
X6455
GROUND
DISTRIBUTION
0670.4
X63045
GROUND
DISTRIBUTION
0670.4
31313131
31
1210.17-09
.5 GR/WS.5 RT/WS X6822
(PARTIAL)
46
4 RT/GE
X8000
.5 RT/GN
56
GROUND
DISTRIBUTION
0670.4
31
X6456
POWER
DISTRIBUTION
0670.2
+
–
M VERSIONS



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









6
FUSE DETAILS
0670.3
X600016
4 X10054
X1271
4 X127
A6000
ENGINE CONTROL
MODULE (DME)
.5 SW/GR
X20
5
B8y
PRESSURE SWITCH
1) PRESSURE
BELOW 21 BAR
2) PRESSURE
ABOVE 30 BAR
3) PRESSURE
ABOVE 2.6 BAR
4) PRESSURE
BELOW 1.5 BAR
.5 VI
P90
FRONT POWER
DISTRIBUTION BOX
4 X51
FUSE DETAILS
0670.3
2X515
.75 SW
.5 SW/BL
A6000
ENGINE CONTROL
MODULE (DME)
K19
COMPRESSOR
CONTROL RELAY
X600074
X204
.5 SW/BL
1
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATURE
3086
8785
B9508
PRESSURE
SWITCH
X10241
.5 SW/GE
1 VI X10018
18X1001612
F397.5AF165A
2
12
34
5 X18350S221
EVAPORATOR
CONTROLLER
M VERSIONS



ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)
.5 VI/GR









X117520
7
3620
.35 SW
18
.5 GN
TD

31X6000
19
5 X10054
.5 SW/VI
6 X20
3 X18350
S221
EVAPORATOR
CONTROLLER
14
1
A837
ELECTRONIC
IMMOBILIZER
CONTROL
MODULE (EWS III)

.5 GN
60
X6002
18X6000
88
17
.5 WS/VI/GE .5 GN/BL
15
.5 BR/RT
3131
A52
SLIP CONTROL
MODULE
(ABS/ASC)

X183492
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY

X189
2X20
1 SW/VI 1 SW/VI
1 SW/VI
X1620
.5 SW
3
X1047
X508
K33a
AIR CONDITIONING
RELAY, MOTRONIC

.5 SW/VI
X35
21.5 SW/VI
9 24
TI
31 .5 WS/SW
X8015
1
X6002D100
DATA LINK
CONNECTOR .5 SW .5 SW
.5 SW
TXD 2 PGSP R
.5 SW
5 X1805
.35 SW
82
9
18
80
10
81
81
11
77
45
12
88
X6031
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
A6000
ENGINE CONTROL
MODULE (DME)
1) DRIVE–AW AY
PROTECTION
35X1175
D100
DATA LINK
CONNECTOR
A52
SLIP CONTROL
MODULE
(ABS/ASC) .5 BR/RT .75 SW/GN .75 SW/BR .75 SW/RT .75 WS/GN.75 SW/GR .75 SW/BR .75 SW/RT .75 WS/GNNOT USED
M VERSIONS

8




 
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 DIAGNO-
SIS PUMP 1210.25-04
3430
1210.25-06
1918
1210.25-04
121291939
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
17111223
1210.25-091210.25-101210.25-09
213327356
1210.25-10
4565
26
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
S3
AUTOMATIC TRANS-
MISSION RANGE SWITCH 1210.25-10
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)A2w
INSTRUMENT
CLUSTER
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)S32
CLUTCH SWITCH
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULEA837
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)
S8511
REVERSING LIGHT
SWITCH
F10880AF10750A
F20230AF20320AF20430A
P90
FRONT POWER
DISTRIBUTION BOX1210.25-04
P90
FRONT POWER
DISTRIBUTION BOX
Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”) Y6167
VALVE, INDIVIDUAL CONTROL IN-
TAKE SYSTEM
Y6163
SECONDARY AIR PUMP VALVE
Y6120
EVAPORATIVE EMISSION VALVE
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
1210.25 ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)


 
Pin Assignments





E = Input, A = Output, M = GroundA = X60001
9 Pins, black
B = X6000224 Pins, black
C = X6000352 Pins, black
D = X6000440 Pins, black
E = X600059 Pins, black
X60001
Pin Type Signal Description/Function Connection
1
A15Activate relayUnloader relay terminal 15
2Not used
3Not used
4M31EGroundGround point
5M31LGroundGround point
6M31LGroundGround point
7E30Voltage supplyB+ junction point E-box
8EU_HR<2Voltage supplyFuse holder in E-box
9EU_HR<2Voltage supplyFuse holder in E-box
X60002
Pin Type Signal Description/Function Connection
1
MT_LHV1Oxygen sensor heating groundOxygen sensor 1 (in front of
catalytic converter)
2Not used
3E/AD_CAN-LCAN bus lowTransmission control module (EGS)
4E/AD_CAN-HCAN bus highTransmission control module (EGS)
5Not used
6E/AD_TXD2DiagnosisTransmission control module (EGS)
7MT_LHH1Oxygen sensor heating groundOxygen sensor 1 (behind catalytic
converter)
8Not used


 
Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
9
Not used
10Not used
11Not used
12AS_KKUActivate valveSolenoid valve (Running Losses)
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)
20MM_LSV1Signal groundOxygen sensor 1 (in front of
catalytic converter)
21MM_LSV2Signal groundOxygen sensor 2 (in front of
catalytic converter)
22MM_LSH1Signal groundOxygen sensor 1 (behind catalytic
converter)
23AS_HRActivate relayEngine control module relay
24MM_LSH2Signal groundOxygen sensor 2 (behind catalytic
converter)
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
4AU_DKFW1Voltage supplyThrottle position sensor 1


 
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_SLPVActivate valveSecondary air pump valve
X60004
Pin Type Signal Description/Function Connection
1
A61Charging signalInstrument cluster
2A30HStart signalBody electronics control module
(ZKE IV)
3AS_SLPActivate relaySecondary air pump relay
4Not used
5Not used
6Not used
7Not used
8Not used