warning BMW Z3M COUPE 2001 E36 Electrical Troubleshooting Manual

Pin Assignments







E = Input, A = Output, M = Ground
X1170
Pin Type Signal Description/Function Connection
1
MVL–Sensor groundABS speed sensor, left front
2EVL+Speed signalABS speed sensor, left front
3Not used
4E15A21Voltage supplyFuse 21
5MHL–Sensor groundABS speed sensor, left rear
6EHL+Speed signalABS speed sensor, left rear
7E/ATXDDiagnosis TXD signalData link connector
8M31LGroundGround point
9E30<10Voltage supplyFuse 10
10E/ACAN–CAN-bus LowService, CAN-bus Low
11E/ACAN+CAN-bus HighService, CAN-bus High
12Not used
13E54Brake signalBrake light switch
14EASCSASC-ON-signalASC switch
15Not used
16AWLASWarning lampInstrument cluster
17Not used
18Not used
19MVR–Sensor groundABS speed sensor, right front
20EVR+Speed signalABS speed sensor, right front
21ADFAHRRight rear speed signalEngine control module (DME)
22EHR+Speed signalABS speed sensor, right rear
23MHR–Sensor groundABS speed sensor, right rear
24M31LGroundGround point
25E30<38Voltage supplyFuse 38

 


Pin Assignments (Z3 Versions Early Prod. and M Versions)




E = Input, A = Output, M = Ground
X1746
Pin Type Signal Description/Function Connection
1
MGNDGroundGround point
2MFL0Sensor groundLeft front speed sensor (ABS)
3EFL1Speed signalLeft front speed sensor (ABS)
4Not used
5MRR0Sensor groundRight rear speed sensor (ABS)
6ERR1Speed signalRight rear speed sensor (ABS)
7Not used
8E/ADIAG_KDiagnosis TXD signalData link connector
9EA_LATTransverse acceleration sensor
signalTransverse acceleration sensor
10MGND_LATGroundTransverse acceleration sensor
11AP_DRIV1Voltage supplyPressure sensor
12E15A21Terminal 15Fuse 21
13Not used
14AVLP+Activate precharge pumpPrecharge pump
15E30A52Terminal 30Fuse 52
16E/ACAN_LCAN-bus LowSplice, CAN-bus Low
17E/ACAN_HCAN-bus HighSplice, CAN-bus High
18Not used
19AWLASWarning lampInstrument cluster
20ASENS_DRIPressure transmitter signalPressure transmitter
21ASENSP_LAVoltage supplyTransverse acceleration sensor
22ASENSP_YAVoltage supplyRPM rate sensor
23ESENS_DRIPressure sensor signalPressure sensor
24MGND_DRIVGroundPressure transmitter
25MGND_YAWGroundRPM rate sensor
26MGND_DRIVGroundPressure sensor
27ETCSDSC-ON-signalDSC switch
28EPBRSHandbrake signalHandbrake switch
29MGNDGroundGround point

 


Pin Assignments (Z3 Versions Late Production)




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
29
Not used
30 Not used
31Not used
32E30A51Terminal 30Fuse 51
33EFR1Speed signalRight front speed sensor (ABS)
34MFR0Sensor groundRight front speed sensor (ABS)
35Not used
36MRL0Sensor groundLeft rear speed sensor (ABS)
37ERL1Speed signalLeft rear speed sensor (ABS)
38EBLSBrake signalBrake light switch
39ETCSDSC-ON-signalDSC switch
40EYAW_SIGRPM rate signalRPM rate sensor
41Not used
42ERR1Speed signalRight rear speed sensor (ABS)
43MRR0Sensor groundRight rear speed sensor (ABS)
44AWLASWarning lampInstrument cluster
45MFL0Sensor groundFront left speed sensor (ABS)
46EFL1Speed signalFront left speed sensor (ABS)
47MGNDGroundGround point

.5 GE
.5 BR
X6021
S555
TIRE PRESSURE WARNING
SYSTEM (RDW) PUSHBUTTON
1) OFF
2) TEACH–IN PROCESS


3623.1 TIRE PRESSURE WARNING SYSTEM (RDW)










233433303156
12X114
21 X142
21X113
21 X143
B2
LEFT FRONT
SPEED SENSOR –
ABSB4
LEFT REAR SPEED
SENSOR – ABS
B1
RIGHT FRONT
SPEED SENSOR –
ABSB3
RIGHT REAR SPEED
SENSOR – ABS
LEFT FRONT
PULSE WHEELA65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
LEFT REAR PULSE
WHEEL
RIGHT FRONT
PULSE WHEELRIGHT REAR
PULSE WHEEL
.5 BR .5
BR/
RT.5 BL .5
BR.5 GE .5
BR.5 GE/SW .5
GE/
BR
33
X170X170
31
3131
3131
31P90
FRONT POWER
DISTRIBUTION BOX
23
X17
A2w
INSTRUMENT
CLUSTER
X6021
A6000
ENGINE CONTROL
MODULE (DME) 1
.5 SW/ RT/GE
5
X60535
21
1
X100000
X6000345.5 SW/GN/GE
F275A
X16
X1001714
FUSE DETAILS
0670.3
X6053
.5 SW/GN
8
.5 GE/SWX6000319
7
X100000
2
X18170
GROUND DISTRIBUTION
0670.4
17 X1746
.5 BR16
6
7
.5 GEX1893
X1894
.5 BR
ENGINE CONTROL
SYSTEM MSS54
(6–CYLINDER S54 B32)
1210.27
.5 BR
37
36
.5 GE
X18835
X18836ENGINE CONTROL
SYSTEM MSS54 (6–CYL-
INDER S54 B32)
1210.27
.5 GE
CAN+ CAN–
CAN+ CAN–
X60004
CAN+ CAN–
.5 GE/SW
.5 GE/SW

CA614







A4
F235A
K16
HAZARD FLASHER
RELAY S7
COMBINATION
SWITCH
F315A
P90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER F27
5A
1
B10
VEHICLE SPEED
SENSOR 6211.0-02
G6509
GENERATOR D+ F46
15A
22231616312.034
A51
WIPER/WASHER
MODULE 6211.0-00
A18
HIFI AMPLIFIER6211.0-00
6211.0-00A35y
BOARD
COMPUTER
(BC – LOW) 6211.0-00
2
B6y
FUEL SENSOR 6211.0-02
3417
S31
PARK BRAKE
SWITCH 6211.0-0318
B18
BRAKE FLUID
LEVEL SWITCH 6211.0-03919
B17
RIGHT REAR
BRAKE PAD
SENSOR B16
LEFT FRONT
BRAKE PAD
SENSOR
243
6211.0-01 6211.0-01A
A= X16B= X17C= X271
S14
DRIVER’S DOOR
JAMB SWITCH
23
6211.0-01
S2
IGNITION SWITCH 6211.0-01
22B
S58
DRIVER’S SEAT
BELT SWITCH 6211.0-01
A
14
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE 6211.0-00
6313.0-03
S8
LIGHT SWITCH
6300.0
A
12
TXD
215
F1515A
8
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY 6211.0-03
6A6000
ENGINE CONTROL
MODULE (DME)
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE 6211.0-04
97
B9508
PRESSURE
SWITCH 6450.6-03
A35y
BOARD
COMPUTER
(BC – LOW) 6211.0-04
25
B6231
OIL PRESSURE
SWITCH 6211.0-05
19
A52
SLIP CONTROL
MODULE (ABS/ASC)
A65
DYNAMIC STABILITY
CONTROL UNIT
(DSC)
2176
A6000
ENGINE CONTROL
MODULE (DME) N9
RADIO
D100
DATA LINK
CONNECTORNSWP90
FRONT POWER
DISTRIBUTION BOX
BBCB
BBA
HARMAN KARDON
SOUND SYSTEM6312.0
6211.0-05
6211.0-03
A6000
ENGINE CONTROL
MODULE (DME) 1230.0
M VERSIONS Z3 VERSIONS
M VERSIONS Z3 VERSIONS
1
A6000
ENGINE CONTROL
MODULE (DME) 6211.0-05
S555
TYRE PRESSURE
WARNING SYSTEM
(RDW) PUSH-
BUTTON
H10
CHIME MODULE 6211.0-00
6211.0-05 B
1230.0
M VERSIONS
A6000
ENGINE CONTROL
MODULE (DME)
M VERSIONS Z3 VERSIONS
M VERSIONS Z3 VERSIONS
6211.0-05
6211.0-04
6211.0-05
B6254
THERMAL OIL
LEVEL SWITCH 6211.0-05
M VERSIONS Z3 VERSIONS
M VERSIONS Z3 VERSIONS
6211.0-04
6211.0-04
A3984
OIL–/OUTSIDE
TEMPERATURE
GAUGE
CONTROL
MODULE 6211.0-00
M VERSIONS Z3 VERSIONS
6211.0 INSTRUMENT CLUSTER






Pin Assignments




E = Input, A = Output, M = Ground
X16
Pin Type Description/Function Connection
1
EHigh beam indicator controlCombination switch
2ETerminal 58g, instrument illumination powerLight switch (dimmer)
3ERight turn signal indicator controlHazard flasher relay
4ELeft turn signal indicator controlHazard flasher relay
5Not used
6E/ACAN-bus HighSplice, CAN-bus High
7E/ACAN-bus LowSplice, CAN-bus Low
8Not used
9Not used
10Not used
11Not used
12E/ADiagnosis TXD signalData link connector
13Not used
14EAir bag warning lamp (SRS) controlSupplemental restraint system control
module
15Not used
16Not used
17EPark brake warning lamp controlPark brake switch
18EBrake fluid warning lamp controlBrake fluid level switch
19EBrake pad wear warning lamp controlBrake pad sensors
20Not used
21Not used
22EVoltage supply, terminal 30Front power distribution box, fuse 31
23EVoltage supply, terminal 15 for indicator and
warning lampsFront power distribution box, fuse 27
24MGround supply, terminal 31 for instrument
cluster electronicsGround point
25Not used
26Not used






Pin Assignments




E = Input, A = Output, M = Ground
X17
Pin Type Description/Function Connection
1
ETire pressure warning lamp controlEngine control module (DME) (M Versions)
2AVehicle speed signalVarious control modules
3MGround supply, terminal 31 for indicator and
warning lampsGround point
4EVoltage supply, terminal 15 for instrument
cluster electronicsFront power distribution box, fuse 23
5Not used
6EGround supply, terminal 61 for battery
charge indicatorGenerator (Z3 Versions)
Engine control module (DME) (M Versions)
7Not used
8EFog light indicator controlFront power distribution box, fuse 15
9ASound tone signalChime module
10Not used
11Not used
12Not used
13Not used
14ESeat belt warning lamp controlDriver’s seat belt switch
15ESIA reset/service interval indicator resetData link connector
16EVoltage supply, terminal RFront power distribution box, fuse 46
17Not used
18Not used
19EOil pressure warning lamp controlOil pressure switch (Z3 Versions)
Engine control module (DME) (M Versions)
20Not used
21EABS warning lamp (ABS)ABS/ASC/DSC control module
22EIgnition key warning/audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch
24Not used
25EFuel consumption signalBoard computer (Z3 Versions)
26Not used

B6236
ENGINE COOLANT
TEMPERATURE SENSOR


FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
23
X1001714











INDICATORS
INSTRUMENT CLUSTER
A2w
INSTRUMENT
CLUSTER
TACHOMETERTEMPERATURE
GAUGE
X16
F275A
19
37
7
F275A
M VERSIONS
11 X60004
3926
.5 GR/BR .5 BR/GN
3 X6254
B6254
THERMAL OIL
LEVEL SWITCH
1 X6231
B6231
OIL PRESSURE SWITCH
1) PRESSURE BETWEEN
0.2–0.5 BAR
2) NORMAL PRESSUREX6021
S555
TIRE PRESSURE WARNING
SYSTEM (RDW) PUSHBUTTON
1) OFF
2) TEACH–IN PROCESS
X17
X6021
A6000
ENGINE CONTROL
MODULE (DME) 1
.5 SW/ RT/GE5
X60535
21
1
X100000
X6000345.5 SW/GN/GEX6053
.5 SW/GN
8
.5 GE/SWX6000319
7
X100000
2
X18170
GROUND DISTRIBUTION
0670.4 .5 GE/SW
.5 GE/SW
.5 BR/GN
20X271
9
.5 GN/GE.5 BR
X1894
24
.5 BR/RT
1 X6236
36X16
6.5 GE
X1893
2.5 BR
25
.75 BRX17
ENGINE CONTROL
SYSTEM MSS54 (6–CYL-
INDER S54 B32)
1210.27
X6491ENGINE CONTROL
SYSTEM MSS54 (6–CYL-
INDER S54 B32)
1210.27
X6462
CAN+ CAN–
CAN+ CAN–
.75 BR
X6236
21



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION


S117 . . .

LUGGAGE COMPARTMENT LID LOCK-
ING SWITCH . . . . . . . . . . . . . . . . . . . . . . . .
in lift gate




S126y . DRIVER’S POWER WINDOW SWITCH . . . center console near gearshift lever

S127y .
PASSENGER’S POWER WINDOW
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console near gearshift lever





S143 . .
CONVERTIBLE TOP ACTUATING
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console





S164 . .
CONVERTIBLE TOP END–POSITION
MICRO SWITCH . . . . . . . . . . . . . . . . . . . . .
at convertible top linkage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17-3

S198 . . JET HEATER THERMOSWITCH . . . . . . . . . on front RH wheel well

S220 . .
AIR CONDITIONING/RECIRCULATING
SWITCH ASSEMBLY . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

00-1


S221 . .
EVAPORATOR CONTROLLER . . . . . . . . . .
RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21-2

S224 . . GEAR STEP TRANSMISSION SWITCH . . center console
S232 . . COMPRESSOR MAIN SWITCH . . . . . . . . . . TIRE INFLATION SYSTEM
S235 . . STARTER IMMOBILIZATION SWITCH . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
S408 . . INTERIOR LIGHT SWITCH . . . . . . . . . . . . . near interior rear view mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-2

S531 . .

TEMPERATURE WHEEL SWITCH . . . . . . .

center of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21-3




S555 . .

TYRE PRESSURE WARNING SYSTEM
(RDW) PUSHBUTTON . . . . . . . . . . . . . . .
LH side of dash




S825 . . FRONT LID MICRO SWITCH . . . . . . . . . . . . near LH headlight assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1


S826 . .

LUGGAGE COMPARTMENT LIGHT
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
underside of luggage compartment lid




S910 . . DRIVER’S SEAT LIMIT SWITCH . . . . . . . . . in driver’s seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-3