2001 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
X10010
GROUND
DISTRIBUTION
0670.4 X64591
19
2.5 BR
X11339
X166
GROUND
DISTRIBUTION
0670.4

 
DATA LINK CONNECTOR (X6002)






 





DATA LINK








   






  












































  PIN
NUMBERWIRE COLOR TERMINAL
NUMBERTERMINAL DESCRIPTION
       
      
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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


    

 

 

23 33







B62400
DOUBLE KNOCK
SENSOR 1210.26-08
3132293048
Y6101
CYL. 1 FUEL
INJECTION
VA LV E
Y6102
CYL. 2 FUEL
INJECTION
VA LV E
Y6103
CYL. 3 FUEL
INJECTION
VA LV E 1210.26-02
35
+
–
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.26-02
361210.26-03413840 3742
+
–
46 47Y6130
IDLE SPEED
CONTROL
VA LV E 1210.26-0334 3352
1210.26-02
32
D
+
– F205
30A
1723 AB
F1815A
M2
FUEL PUMPK6301w
FUEL PUMP RELAY
1210.26-061210.26-06
1210.26-04
F135A
M119
LEAKAGE
DIAGNOSIS
PUMP
301210.26-04310174520
S30
BRAKE LIGHT
SWITCH 1210.26-04
28241918129
43441910
Y6390
ELECTRIC
THROTTLE
ACTUATOR2223
1210.26-07
2425
1210.26-07
2728
1210.26-07
2236
1210.26-09
37
1210.26-08
1210.26-09
1727356
1210.26-08
4565
A6000
ENGINE CONTRO
MODULE (DME)
1210.26-09
436
P98
FUSE HOLDER IN
E–BOX1210.26-00
K6327
INJECTION VALVES
RELAY
A7000
TRANSMISSION
CONTROL MODULE
(EGS)G6400
B+ JUNCTION
POINT E–BOX
K6300
ENGINE CONTROL
MODULE RELAY
1210.26-05
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
1210.26-051210.26-05P98
FUSE HOLDER IN
E–BOXG7512
B+ JUNCTION
POINT
K19
COMPRESSOR
CONTROL
RELAY 1210.26-08K6304
SECONDARY AIR
PUMP RELAY
Y6133
AIR PUMP
1210.26-07
B6205
INTAKE AIR
TEMPERATURE
SENSORB6236
ENGINE COOLANT
TEMPERATURE
SENSORB6238
OIL TEMPERATURE
SENSOR
A52
SLIP CONTROL MODULE
(ABS/ASC)
A65
DYNAMIC STABILITY
CONTROL UNIT (DSC)S32
CLUTCH SWITCH
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULEA837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)A7000
TRANSMISSION
CONTROL MODULE
(EGS)
A9008
CRUISE CONTROL
INTERFACE A
49
5
2 8
18
15 21
C7 131
16 15 14
24 22 21 20
TXD
720CDBEA
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
F20130AF20320AF20430A
P90
FRONT POWER
DISTRIBUTION
BOX1210.26-04
Y6167
VALVE, INDIVIDUAL
CONTROL INTAKE
SYSTEM
Y6163
SECONDARY AIR
PUMP VALVE
Y6120
EVAPORATIVE
EMISSION VALVE
Y6276
VARIABLE CAMSHAFT
CONTROL VALVE 2
(OUTLET)
Y6275z
VARIABLE CAMSHAFT
CONTROL VALVE 1
(INLET)
1210.26-09 1210.26-02
1210.26-001210.26-00
D100
DATA LINK
CONNECTOR
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 1210.26-01
1210.26-01
718 9E2
3C8A
F20230A
D
F2610A
26
D
F4615A
C781412
R10
PEDAL POSITION
SENSOR
1210.26-09 13
9D
1210.26-06
B
30 15 R 15
Z3 VERSIONS
1210.26 ENGINE CONTROL SYSTEM MS43 (6–CYLINDER M54)






Pin Assignments (Z3 Versions)




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 relayRelay, injection valves
2Not used
3Not used
4M31EGroundGround point
5M31LGroundGround point
6M31LGroundGround point
7E30Voltage supplyB+ junction point E-box
8EU_HR<2Voltage supplyFuse holder in E-box, fuse F202
9Not used
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 (Z3 Versions)




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
9
Not used
10Not used
11Not used
12Not used
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
4Not used






Pin Assignments (Z3 Versions)




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
5
EP_NWGE1Signal camshaft positionCamshaft position sensor 1 (inlet)
6Not used
7AU_DKGVoltage supplyElectrical gas actuator
8EP_KWGSignal crankshaft positionCrankshaft position sensor
9Not used
10EA_DKG2Throttle position signal 2Electrical gas actuator
11Not used
12Not used
13Not used
14Not used
15MM_NWGA1GroundCamshaft position sensor 2 (outlet)
16Not used
17MM_HFMGroundHot film air massmeter
18MM_NWGE1GroundCrankshaft position sensor 1 (inlet)
19EA_DKG1Throttle position signal 1Electrical gas actuator
20MM_DKGGroundElectrical gas actuator
21MM_KWGGroundCrankshaft position sensor
22EA_TANSTemperature signalIntake air temperature sensor
23MM_TANSGroundIntake air temperature sensor
24EA_TMOTTemperature signalEngine coolant temperature sensor
25MM_TMOTGroundEngine coolant temperature sensor
26Not used
27EA_TOELTemperature signalOil temperature sensor
28MM_TOELGroundOil temperature sensor
29EA_KS1ACyl. 1-3 knock sensorDouble knock sensor
30EA_KS1BCyl. 1-3 knock sensorDouble knock sensor
31EA_KS2ACyl. 4-6 knock sensorDouble knock sensor
32EA_KS2BCyl. 4-6 knock sensorDouble knock sensor
33AP_EVZ1Activate valveCyl. 1 fuel injection valve
34AP_EVZ2Activate valveCyl. 2 fuel injection valve
35AP_EVZ3Activate valveCyl. 3 fuel injection valve
36AP_EVZ4Activate valveCyl. 4 fuel injection valve






Pin Assignments (Z3 Versions)




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
39Not used
40AT_NWE1Activate valveVariable camshaft control valve 1
(inlet)
41AT_NWA1Activate valveVariable camshaft control valve 2
(outlet)
42AT_TEVActivate valveEvaporative emission valve
43AT_MDK1Activate motorThrottle position actuator
44AT_MDK2Activate motorThrottle position 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
Not used
2Not used
3AS_SLPActivate relaySecondary air pump relay
4Not used
5Not used
6Not used
7MM_FWG1GroundPedal position sensor
8EA_FWG1Signal, pedal position 1Pedal position sensor
9AU_FWG1Voltage supplyPedal position sensor






Pin Assignments (Z3 Versions)




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
10
AEKPActivate relayFuel pump relay
11Not used
12MM_FWG2GroundPedal position sensor
13EA_FWG2Signal, pedal position 2Pedal position sensor
14AU_FWG2Voltage supplyPedal position sensor
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
20AS_DMTLVoltage supplyLeakage diagnosis pump
21Not used
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
30AS_UVTLActivate changeover valveLeakage diagnosis pump
31Not used
32E/ATXDIITXD diagnosis data linkData link connector
33ES_DWADrive-away protection signal (code)Electronic immobilizer control
module (EWS III)
34Not used
35M31GroundCruise control interface
36E/ACAN+CAN bus highInstrument cluster, ABS/ASC/DSC
control module, steering angle
sensor