immobilizer BMW Z3M COUPE 2000 E36 Electrical Troubleshooting Manual






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



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 IN-
PUT
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

                   
                                       
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
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)



 






A6000
ENGINE CONTROL
MODULE (DME)
29 30
.5 GE .5 SW
2 148 31 32
.5 GN .5 BR
4 3
W9110
SHIELD
X6240
CYL. 4–6 CYL. 1–3
B6240
KNOCK SENSOR
X6003
12
FUSE DETAILS
0670.3
F2610A
X10017
P90
FRONT POWER
DISTRIBUTION BOX
X62542
GROUND
DISTRIBUTION
0670.4
X6454
B6254
THERMAL OIL
LEVEL SWITCH 33
14
.5 SW/VIA837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
21
11X19007
.5 GN/GEA19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE
X60004
12
.75 SW/GNM6510
STARTER
X60003
30h
26
X60004
39
X60003
31X6254
.5 GR/BR
2 X60004
.5 SW/GE
12X10182
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) .5 SW/GE
.5 SW/GE
2
X89977
NOT USED X276
Z3 VERSIONS
TD
17
X60021 D100
DATA LINK
CONNECTOR5X1805
.5 SW
12
.5 SW
.5 WS .35 WS
X1047

X1186


5 X209S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4













1240.0 START
P90
FRONT POWER
DISTRIBUTION BOX POWER
DISTRIBUTION
0670.2 X0
X331 4 RT
4 RT
2.5 SW/GE
8 X33
P90
FRONT POWER
DISTRIBUTION BOX
X2
16 RTPOWER
DISTRIBUTION
0670.2
7
1
18 X20GROUND
DISTRIBUTION
0670.4
2.5 GN/SW
FUSE DETAILS
0670.3
2
82
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
X1805
2.5 SW/GE 2.5 SW/GE
F315A




210
3
X1001830
3 X18994
S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH PEDAL
FULLY
DEPRESSED 2FUSE DETAILS
0670.3
12
F457.5A
1X18994

GROUND
DISTRIBUTION
0670.4 X1805
.35 BR/SW
3
M VERSIONS



5 X209S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4












START
.5 BR/SW16
5 X511
P90
FRONT POWER
DISTRIBUTION BOX
4 RT
L2S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
X511
7
2.5 SW/GE
8 X33
FUSE DETAILS
0670.3
ELECTRONIC
TRANSMISSION
CONTROL (EGS
A4S 270R)
2460.2
7
1
GROUND
DISTRIBUTION
0670.4
2.5 GN/SW
FUSE DETAILS
0670.32
82
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
X1805
X10018
2.5 SW/GE
F315A




1 0
F285A
210
3
X1001830
3 X18994
S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH PEDAL
FULLY
DEPRESSED 2FUSE DETAILS
0670.3
12
F457.5A
1X18994

GROUND
DISTRIBUTION
0670.4 X1805
.35 BR/SW
3
X191
WITH EGS WITHOUT EGS
.5 BR/SW
F10650A
Z3 VERSIONS
G7512
B+ JUNCTION
POINT
X1981
X191
1 X33
POWER
DISTRIBUTION
0670.2X10017
.5 BR/SW

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)











P90
FRONT POWER
DISTRIBUTION BOX
L4 L3 L2 L1
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 9 37 8 36 X8500
86 74
.35 BR/
WS.35 BL/
WS.35 BR/
SW.35 BL/
SW
X5113S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
2) CLOSED IN RE-
VERSE
2 X5115
L4 L3 L2 L1
R
E16
LEFT REAR LIGHT
ASSEMBLY
5 X319
6
4 13 X603133 X1805A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
.5 BR/WS .5 BL/WS .5 BR/SW .5 BL/SW.5 BR/SWFUSE DETAILS
0670.3
L1 L2 L3 L4
P
R
N
D
3
2
11 101
1 000
1 110
0 001
0 011
1 011
0 010
H27
LEFT BACK UP
LIGHT
16X1001712
X1169
1 BL/GEFUSE DETAILS
0670.3
1 BL/GE
L2
.5 BR/SW


F285AF2610A
1 00101012 0
31313131
X191
2 X18994
.35 BR/SW
NOT USED
3 X6021
.75 BL/GE
NOT USED

N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)


INPUTS, DRIVE–AWAY PROTECTION













5126.0 ZKE CENTRAL LOCKING (ZV)
P90
FRONT POWER
DISTRIBUTION BOX
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE 34 X74
.35 BR/SW 14 X10015
S47
DRIVER’S DOOR
LOCK SWITCH
0) OFF
3) CENTRAL
ARREST 2 X747
X7471
.5 WS/RT
X257
10
.35 WS/RT
31
26 X10018
LIGHT SWITCH
DETAILS
6300.0
.5 GR/SW
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
S49
PASSENGER’S
DOOR LOCK
SWITCH
0) OFF
3) CENTRAL
ARREST 2 X742
X7421
.5 WS/RT
X256
10
.35 WS/RT
.5 WS/GE
DATA LINK
0670.5.5 WS/VI
7 X13253
RXD TXD
91113 4 2 X10182
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3
.35 WS/RT
INTERIOR LIGHTS
6330.3
.75 BR/SW
4
15 .5 SW/GN4 X13253
.5 BL/RT/GEA837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
31
X449X450
1315X1805
.5 BL/RT/GE
.5 BL/RT/GE
31
F435AF75A
0 3
0 3
10 X13025
X13252
X10182
X13253X10182
CA

                   
                                       
C
6BCB
10/996100.02000
C2 6
F3525A
A104
BODY
ELECTRONICS
CONTROL
MODULE (ZKE IV)
7
M23
PASSENGER’S
WINDOW MOTOR
15 B4
S13
PASSENGER’S
DOOR JAMB
SWITCH
M21
DRIVER’S
WINDOW MOTORS14
DRIVER’S DOOR
JAMB SWITCH D
92471482313
S127y
PASSENGER’S
POWER WINDOW
SWITCHS126y
DRIVER’S POWER
WINDOW SWITCH
LIGHT SWITCH
DETAILS
6300.0B
F3310A
1012
5133.1-015133.1-01
P90
FRONT POWER
DISTRIBUTION
BOX F43
5A
4
C
4
N12w
ANTI–THEFT
CONTROL
MODULE (ALPINE) 6575.2-00
5133.1-025133.1-00
A837
ELECTRONIC
IMMOBILIZER
CONTROL
MODULE (EWS III) 6135.0-01
5133.1-02
5133.1-00
A1517
A
9
11RXD
TXD
F1430A
B8
POWER
DISTRIBUTION
0670.2
F75A
9D
A12
6350.0-01
1
S8
LIGHT SWITCH
2
B192114163
M12
DRIVER’S DOOR
LOCK MOTOR 5126.0-02
M17
LUGGAGE
COMPARTMENT
LOCK MOTOR 5126.0-03
15 2
M13
PASSENGER’S
DOOR LOCK
MOTOR 5126.0-02
X2
C13
S47
DRIVER’S DOOR
LOCK SWITCH
A5
5126.0-00 C
7
S826
LUGGAGE
COMPARTMENT
LIGHT SWITCH6320.0-03 D
14
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM
CONTROL
MODULE A
5126.0-00
S49
PASSENGER’S
DOOR LOCK
SWITCH 5126.0-006300.0
N17
CRASH
CONTROL
MODULE
8
3
6320.011
NOT USED
F210A
18
5126.0-055126.0-05
5126.0-05
S408
INTERIOR LIGHT
SWITCH
E34
FRONT DOME
LIGHT/MAP READ-
ING ASSEMBLY Z3 VERSIONS M VERSIONS
M COUPE
M17
LUGGAGE
COMPARTMENT
LOCK MOTORK70
CENTRAL LOCKING
LUGGAGE
COMPARTMENT
LID MOTOR RELAY
(ZV)S117
LUGGAGE
COMPARTMENT LID
LOCKING SWITCH5126.0-04
START
1240.0
Z3 VERSIONS
AND
M ROADSTER6135.0-03
A
= X10182
B = X13252
C = X13252
D = X13254
6330.3-00
5126.0-04
M16
GAS FILLER LOCK
MOTOR 5126.0-02
5126.0-04
6100.0 CENTRAL BODY ELECTRONICS (ZKE IV)