sensor BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual



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Pin Assignments
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11 7
AIdle speed control valve controlIdle speed control valve
11 8AOxygen sensor heatingOxygen sensor (in front of catalytic
converter)
11 9AActivate valveCyl. 3 fuel injection valve
120AActivate valveCyl. 2 fuel injection valve
121Not used
122MGround, remaining output stages (except
for ignition and fuel injection valves)Ground point
123Not used
124AA/C compressor cut-outCompressor control relay
125Not used
126Not used
127Not used
128ECyl. 3-4 knock sensorKnock sensor
129Not used
130ETI-measurement signal (fuel consumption)Instrument cluster
131Not used
132EThrottle positionThrottle position sensor
133ESignal inputHot film air mass meter
134MSensor groundOxygen sensors
135Not used
136Not used
137ACyl. 1 ignition coil controlCyl. 1 ignition coil
138ACyl. 2 ignition coil controlCyl. 2 ignition coil
139Not used
140Not used
141AComponent supply (+)Throttle position sensor/fuel tank pressure
sensors
142EBattery voltage from engine control module
relayEngine control module relay, terminal 87
143MGround, ignitionGround point
144EIgnition switch, terminal 15Ignition switch, terminal 15
145AActivate auxiliary fanNormal speed relay



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Pin Assignments
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
146
AActivate valveIntake air resonance changeover valve
147Not used
148EProgramming voltageData link connector
149AActivate valveEvaporation emission valve
150Not used
151AActivate relayFuel pump relay
152AActivate air pumpSecondary air pump valve/relay
153AActivate valveCharcoal filter shut-off valve
154AActivate valveFuel changeover valve
155Not used
156ESignal above 80 CDouble temperature switch
157EA/C-ON-signalAir conditioning operating unit
158ECyl 1-2 knock sensorKnock sensor
159MGround for sensorsTemperature/knock/throttle position/fuel
tank pressure sensors
160EFuel tank pressureFuel tank pressure sensor
161Not used
162ETemperature signalEngine coolant temperature sensor
163Not used
164Not used
165EOxygen sensor signalOxygen sensor (behind catalytic converter)
166ECrankshaft position/RPMCrankshaft position/RPM sensor
167ERight rear speed signalABS/ASC control module
168ECrankshaft RPM speed signal TDInstrument cluster
169Not used
170Not used
171EVehicle speed signalBoard computer (BC-Low)
172Not used
173E/ACAN-LOWEGS/ASC control module
174E/ACAN-HIGHEGS/ASC control module
175ARxD diagnosis data lineData link connector
176E/ATxD diagnosis data lineData link connector






.5 GN
HEATED OXYGEN SENSOR, CRANKSHAFT SENSORS
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
X6000
A6000
ENGINE CONTROL
MODULE (DME)
X60007820
1210.20-00
30
46
19
21
X6203321
A6000
ENGINE CONTROL
MODULE (DME)
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
X620932
B6209
HALL EFFECT CAM-
SHAFT SENSOR
X62091
1210.20-00
B62001
OXYGEN SENSOR
(IN FRONT OF
CATALYTIC
CONVERTER)
X6200132
NS .5 GE
.35 RT/WS X62001
4 1
.5 BR .5 SW
31
.35 SW .35 GE
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
B6203
CRANKSHAFT
POSITION/RPM
SENSOR
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 .35 GE
X609127
X609128
.35 GE
.35 SW
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD X6091
125
31
155V (15)
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER)
31X8008
X6200223
1
31
X620021 41210.20-00
.5 GN
77
15
.5 SW.5 GE
.75 SW.5 BR
+( '
31
.35 GE .35 SW






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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
7071
X16594
.5 SW/VI
15
10
X600074
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR
CYL. 1 AND 2W9110
SHIELD53
4440
.75 BR/SW
16
7
83
24
A35y
BOARD
COMPUTER
(BC – LOW)
X102454
.35 WS/SW
X20
X6000
TIA6000
ENGINE CONTROL
MODULE (DME)
1) DRIVE–AW AY
PROTECTION
3
X62324
2 X62521
X6252
R6252
THROTTLE
POSITION
SENSOR .75 GR/WS .5 BR/VI
X6461
.5 BR/RT
1 X6205
B6205
INTAKE AIR
TEMPERATURE
SENSOR
.5 BR/SWX6205
2
.5 BR/RT
.75 BR/SW
CYL. 3 AND 4
4 X62403
W9110
SHIELD
21
W9110
SHIELD W9110
SHIELD .35 SW .35 SW
31
15
.5 WS/SW
3 1
4 X6091
.75 BR/SW
6322
X6232X6091
.5 GR/WS .5 BR/VI .5 BR/RT
X8005
2.5 GN
.5 BR/SW B6240
KNOCK SENSOR.5 BR/SW
7 X6031
72
5
3
1 X195283
X19528
B65
FUEL TANK
PRESSURE
SENSOR
1
6 X6031
1 X6501
.5 GR/WS
X6501
2
X10169
&#
.5 BR/SW
.5 BR/SW.5 BR/SW .5 GE/RT
.5 GE/RT
.5 GE/RT.5 GR/WS
.5 GR/WS .5 GR/WS



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Pin Assignments (6-Cylinder)
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E = Input, A = Output, M = Ground
X8500
Pin Type Description/Function Connection
177
Not used
178MGroundShift-lock
179Not used
180ASolenoid valve 3 control (–)Transmission valve unit
181AHydraulic pressure regulator control (–)Transmission valve unit
182Not used
183Not used
184EGear range signal L2Automatic transmission range switch
185EGear range signal L4Automatic transmission range switch
186EBrake pedal positionBrake light switch
187Not used
188Not used
189EManual mode signalProgram switch
190EOutput speed (–)Transmission valve unit
191MGround for shieldShield for speed sensor
192Not used
193Not used
194EKick-down signalKick-down switch
195EASC signalSlip control module
196EAutomatic mode signalProgram switch
197EOil temperature signal (–)Transmission valve unit
198EOil temperature signal (+)Transmission valve unit
199Not used
200Not used
201AFault indicator signalInstrument cluster
202EBattery voltageB+ jump start junction point
203AM-program indicationProgram switch
204MGroundGround point
205Not used
206ASolenoid valve 1 control (–)Transmission valve unit



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Pin Assignments (4-Cylinder)
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E = Input, A = Output, M = Ground
X8500
Pin Type Description/Function Connection
265
Not used
266AShift-lock solenoid controlShift-lock
267Not used
268ASolenoid valve 3 control (–)Transmission valve unit
269AHydraulic pressure regulator control (–)Transmission valve unit
270MGroundGround point
271Not used
272EGear range signal L2Automatic transmission range switch
273EGear range signal L4Automatic transmission range switch
274EBrake pedal positionBrake light switch
275Not used
276ESport mode signalNot used
277EManual mode signalProgram switch
278EOutput speed (–)Transmission valve unit
279MGround for shieldShield for speed sensor
280Not used
281AS-program indicationNot used
282EKick-down signalKick-down switch
283Not used
284EAutomatic mode signalProgram switch
285EOil temperature signal (–)Transmission valve unit
286EOil temperature signal (+)Transmission valve unit
287Not used
288Not used
289AFault indicator signalInstrument cluster
290EBattery voltageB+ jump start junction point
291AM-program indicationProgram switch
292MGroundGround point
293Not used
294ASolenoid valve 1 control (–)Transmission valve unit






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ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
K6300
ENGINE CONTROL
MODULE RELAY
425V (15)
.5 GE22
.5 TR53A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X63002
1.5 RT/WS
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER M52)
1210.17
X6821
87
4 RT/WS

54
X8500
31
W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
8283
.5 BL
.75 RT
85
85
X600086
86
.35 SW .35 GEA6000
ENGINE CONTROL
MODULE (DME)
X8500
6–CYLINDER
CAN-LOW CAN-HIGH
X8090
X8091
1X202
NOT USED
.35 SW
.35 SW .35 GE .35 GE
CAN-LOW CAN-HIGH

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A8500
TRANSMISSION
CONTROL MODULE
(EGS)
9

327
.5 BL

4 3
.5 VI

332
.5 GN
301
.5 OR
5 6
.5 GR

21 .5 SW
2
14 .5 SW
X8500
8
14
1
.5 RT .5 GE .75 RT


31313131313131
W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
31 15
X8516
X8516
Y8521
TRANSMISSION
VALVE UNIT
1) SOLENOID
VALVE 1
2) SOLENOID
VALVE 2
3) SOLENOID
VALVE 3
6) HYDRAULIC
PRESSURE
REGULATOR
7) TORQUE
CONVERTER
CLUTCH
SOLENOID
VA LV E
8) OIL
TEMPERATURE
SENSOR
9) SPEED
SENSOR DR .5 TR
.75 BR
X8073
2X85054
1 12 9 11 X8505
6 16






ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R) !""



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K6300
ENGINE CONTROL
MODULE RELAY
425V (15)
.5 GE22
.5 SW52A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X63002
1.5 RT/WS
ENGINE CONTROL
SYSTEM (DME M5.2,
4–CYLINDER M44)
1210.20
X6821
87
4 RT/WS

54
X8500
31
W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
8283
.5 BL
.5 VI
85
85
X600086
86
.35 SW .35 GEA6000
ENGINE CONTROL
MODULE (DME)
CAN-LOW CAN-HIGH
X8500
76
.35 SW .35 GEA52
SLIP CONTROL
MODULE
(ABS/ASC)
X7845
X7846
1.5 RT/WS
55
53
.5 RT
CAN-LOW CAN-HIGH CAN-LOW CAN-HIGH
1X202.35 GE .35 SW
.35 SW
.35 GE
4–CYLINDER
X1170

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A8500
TRANSMISSION
CONTROL MODULE
(EGS)
9

327
.5 BL

4 3
.5 VI

X11782
332
.5 GN
301
.5 OR
2 .5 BR/VI

21 .5 TR
2
14 .5 SW
X8500
8
1
.5 VI .5 GE .5 VI


31313131313131
W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
31 15
1X8516
X8516
Y8505y
TRANSMISSION
VALVE UNIT
1) SOLENOID
VALVE 1
2) SOLENOID
VALVE 2
3) SOLENOID
VALVE 3
6) HYDRAULIC
PRESSURE
REGULATOR
7) TORQUE
CONVERTER
CLUTCH
SOLENOID
VA LV E
8) OIL
TEMPERATURE
SENSOR
9) SPEED
SENSOR .5 SW
.75 BR
X8073

5 6
.5 GR
31
.5 RT
X1178
.5 VI
15
X69
X6916
.5 BR/VIY19
SHIFT–LOCK DR
14 2 X85054
112 911 16 6 X8505