1999 BMW Z3M COUPE Electrical Troubleshooting Manual



DATA LINK
DATA LINK CONNECTOR, PINS 2 AND 19, AND OBD II CONNECTOR







 



7X19527
D110
OBD II
CONNECTOR
2
X18170
GROUND
DISTRIBUTION
0670.4
X13047
.5 BR X6002.5 WS/VI/GE
FUSE DETAILS
0670.3
16
2 X10018
P90
FRONT POWER
DISTRIBUTION BOX
F315A
D100
DATA LINK
CONNECTOR
45 .5 BR/OR
X1067
.5 RT/GE
Z3 VERSIONS
X10010
GROUND
DISTRIBUTION
0670.4 X64591
19
2.5 BR
X11339
X166
GROUND
DISTRIBUTION
0670.4

.5 WS/VI/GEX6867
.5 WS/VI


DATA LINK
TXD AND RXD







 



X183
.5 WS/VI
A2w
INSTRUMENT
CLUSTER X16
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) X1805TXD.5 WS/VI .35 WS/VI
12
4
TXD
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE X74TXD .5 WS/VI
9
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) X1018211
TXD X6002
20
X20
.5 WS/VI
17
88 X6000
A6000
ENGINE CONTROL
MODULE (DME)
17D100
DATA LINK
CONNECTOR
.5 WS/VI
X182
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X10182
RXD
.5 WS/GE 9
A2w
INSTRUMENT
CLUSTER
X16
11
RXD
X6863
.5 WS/GE
.5 WS/GE
.5 WS/GE
.5 WS/GEX20
16
X6002
15
D100
DATA LINK
CONNECTOR
TXD
A52
SLIP CONTROL
MODULE
(ABS/ASC)
.75 WS/VI
X1175
46
TXD
M VERSIONS

A52
SLIP CONTROL
MODULE
(ABS/ASC) INSTRUMENT
CLUSTER
6211.0
X6002
D100
DATA LINK
CONNECTOR
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
14
G1
BATTERY
X6412POWER
DISTRIBUTION
0670.2


DATA LINK
DATA LINK CONNECTOR, PINS 1, 7, 16, 4, 12, AND 14







 



.5 SW .5 WS/GN
1.5 BL
D+
.5 SW
20
X600036
A6000
ENGINE CONTROL
MODULE (DME) TD
X8015
1
X1047
7
X1715 3X1620
X20
19
.5 SW .5 WS/GN
.5 SW .5 SW .5 WS/GNX7509
X2025
X176
X8004
.5 BL
.5 BL
X213
.5 BL
12 X10017
16
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX F26
10A
24 X10018
4
F425A
FUSE DETAILS
0670.3
12
G6509
GENERATOR
X400
3
.5 BL
A2w
INSTRUMENT
CLUSTER.75 BL
2.5 RT
X8072
TELEPHONE
CONNECTORX117524
.75 BL
M VERSIONS



DATA LINK
DATA LINK CONNECTOR, PINS 19, 18, 2, AND OBD II CONNECTOR







 




A6000
ENGINE CONTROL
MODULE (DME) X6000602 X10018
7
16X19527
D110
OBD II
CONNECTOR
FUSE DETAILS
0670.3
5GROUND
DISTRIBUTION
0670.4 P90
FRONT POWER
DISTRIBUTION BOX
F315A
4 .5 BR
.5 BR
X18170
X6454
19182X6002
D100
DATA LINK
CONNECTOR
1.5 BR/OR .5 GN/BL .5 WS/VI/GE
X6459
GROUND
DISTRIBUTION
0670.4
X6868
.5 WS/VI/GE
4 X6031
.5 WS/VI/GE
X1067X1618
.5 RT/GE
M VERSIONS

 
DATA LINK CONNECTOR (X6002)







 



DATA LINK







   





  













































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20 X60021514
17 X60022
820 Ω BRIDGES IN CAP
OF D100 DATA LINK
CONNECTOR
16 X19527157
BRIDGE IN CAP OF
D110 OBD II
CONNECTOR
      

   
M VERSIONS*

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 = Ground
X6000
Pin Type Description/Function Connection
1
ACyl. 2 ignition coil controlCyl. 2 ignition coil
2ACyl. 4 ignition coil controlCyl. 4 ignition coil
3ACyl. 6 ignition coil controlCyl. 6 ignition coil
4MGroundGround point
5ACyl. 2 fuel injection valve controlCyl. 2 fuel injection valve
6ACyl. 1 fuel injection valve controlCyl. 1 fuel injection valve
7MGroundHot wire air mass meter
8EHot wire air mass meterHot wire air mass meter
9ETI-measurement signal (fuel consumption)Not used
10EEngine coolant temperatureEngine coolant temperature sensor
11EFuel tank pressureFuel tank pressure sensor
12EThrottle position signalThrottle position sensor
13Not used
14EIntake air temperatureIntake air temperature sensor
15ESpeed signal right rearABS/ASC control module
16EActivate A/CPressure switch
17Not used
18EDrive away protection signal (code)Electronic immobilizer control module
(EWS III)
19EA/C-ON-signalAir conditioning operating unit
20A“Check engine” indicator controlInstrument cluster
21ACamshaft controlVariable camshaft control valve
22ACyl. 3 fuel injection valve controlCyl. 3 fuel injection valve
23ACyl. 6 fuel injection valve controlCyl. 6 fuel injection valve
24ACyl. 4 fuel injection valve controlCyl. 4 fuel injection valve
25MOxygen sensor heating groundOxygen sensor I (in front of catalytic
converter)
26EBattery voltageB+ jump start junction point
27AActivate valveIdle speed control valve
28MGroundGround point
29ACyl. 1 ignition coil controlCyl. 1 ignition coil



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