sensor BMW Z3M COUPE 1999 E36 Electrical Troubleshooting Manual




Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
23
EDriver’s door openDriver’s door jamb switch
24Not used
25EFuel consumption signalBoard computer (Z3 Versions)
26Not used
X271
Pin Type Description/Function Connection
1
AFuel level sensorFuel tank sensors
2Not used
3AGround supply for fuel tank sensor and
vehicle speed sensorFuel tank sensor and vehicle speed
sensor
4EPosition signal TWVehicle speed sensor
5Not used
6EA/C-ON-signalAir condition switch (Z3 Versions)
7EActivate A/CPressure switch, normal speed relay
(Z3 Versions)
8Not used
9EOil level signalThermal oil level sensor (TOENS) control
module (Z3 Versions)
10Not used
11Not used
12Not used



INDICATORS










INSTRUMENT CLUSTER
3
GROUND
DISTRIBUTION
0670.4A2w
INSTRUMENT
CLUSTER
HEADLIGHTS/FOG
LIGHTS
6312.0TURN/HAZARD
LIGHTS
6313.0LIGHT SWITCH
DETAILS
6300.0
.35 WS.5 BL/GN
4
.5 BL/BR
X163
.5 GR/RT
X162
19 X16
2 X713
2X118
1X118
1 X713
.5 GE
B16
LEFT FRONT
BRAKE PAD
SENSOR
.5 GE
B17
RIGHT REAR
BRAKE PAD
SENSOR
31
S58
DRIVER’S SEAT
BELT SWITCH
1) BELT UN-
BUCKLED
2) BELT BUCKLED 2 X778
14
1 X778
14 X10017
23
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
.5 BL/VI/GE
F275A








21 1
1515
4521
12 X33




22
.5 BL/SW
11 X33
.75 BL/SW
.75 BR
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
ANTI–THEFT
SYSTEM (ALPINE)
6575.2
S2
IGNITION SWITCH
4) OPEN
MOMENTARILY IN
START AND OFF,
OPEN WITH KEY
REMOVED
5) CLOSED IN OFF,
START, RUN AND
ACCESSORYS14
DRIVER’S DOOR
JAMB SWITCH
1) DOOR OPEN
2) DOOR CLOSED .5 BR/GR/GE
X443
.75 BR/GR/GE
2 X352
1
X352
23X17

A35y
BOARD
COMPUTER
(BC – LOW)












INDICATORS
INSTRUMENT CLUSTER
P90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER
11) FUEL GAUGE
14) SPEEDOMETER
31
416X1622
X173X2714
B10
VEHICLE SPEED
SENSORX3832
X3831
14
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
X65003
13
B6y
FUEL SENSOR
X10018232X100176
X17
.5 BR/GE
.5 BR/SWX6500
6.5 BR/SW .5 BR/RT
.5 BR/SW
X805
11
R1/2
FFUSE DETAILS
0670.3
X11291
.5 BR/GE

F235AF4615AF315A
313131
30
7 X10245
.5 BR/GE
Z3 VERSIONS



FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
X1623
X1001714










INDICATORS
INSTRUMENT CLUSTER
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
7) TACHOMETER
X62321B6232
ENGINE COOLANT
TEMPERATURE
SENSOR
18X1620
.5 SW .5 BR/VI
3
SPEEDOMETER
31
1112
17
.5 BR/GE
TEMPERATURE
GAUGE
X1047
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1175
B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSURE
X1719
2 X6232
23X20
.5 BR/GN
.5 BR/GE
X6231
1
X17
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) 5 X1805TD .35 SWTD .5 BR/RT
.5 BR/RT .5 BR/VI .5 BR/GE
.5 BR/VI
7
X6002
15 .5 WS/GN
X2019
.5 WS/GND100
DATA LINK
CONNECTOR
F275A
RCHECK
ENGINE15
16
1 X6031
.5 GR
.5 GR
2 1
7
X8051X8071X8010
20
20.5 WS/GNX8072X6000
.5 SW
.5 SW20 X20
X8015
.5 SW
TD
.5 SW1
X6002
36
.35 SW
A6000
ENGINE CONTROL
MODULE (DME)D100
DATA LINK
CONNECTOR
M VERSIONS
13
3
.5 GN/RT
46
.5 GN/RT













INSTRUMENT CLUSTER
CONSOLE INSTRUMENTS
P90
FRONT POWER
DISTRIBUTION BOX
F4615A

3
X21114
B59
OIL TEMPERATURE
GAUGE
32X10018
X10059
FUSE DETAILS
0670.3
2
.5 GR/RT
1
.5 BR
1 X6238
1
.35 BR/SWX20
21
X10010
GROUND
DISTRIBUTION
0670.4
X10059
.5 VI/GE
B6238
OIL TEMPERATURE
SENSOR
X6849
1
.5 BR/SW .35 BR/RT.5 BR/RT
LIGHT SWITCH
DETAILS
6300.0 58g
P90
FRONT POWER
DISTRIBUTION BOX
F75A

14X10015
FUSE DETAILS
0670.3
N5
ANALOG CLOCK 2
.5 GR/RT
X211132 X1155
X11551
.5 BR
1
.5 BR
X21114
.5 BR X21113
X19245
X9806
M VERSIONS
F415A

8
FUSE DETAILS
0670.3
B211
VOLTMETER 2
.5 GR/RT
X211123 X21111
X211112
.5 BR
1
.5 BR
X21112
LIGHT SWITCH
DETAILS
6300.0 58g



FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
23
X1001714











INDICATORS
INSTRUMENT CLUSTER
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
7) TACHOMETER
X1620
.5 SW
GROUND
DISTRIBUTION
0670.4
3SPEEDOMETER
1
TEMPERATURE
GAUGE
X1047
X1612
.35 WS/VI
F275A
15
19
D100
DATA LINK
CONNECTOR.5 BR/GN
1 X6002
7




Z3 VERSIONS
6
.5 GE
7
.5 BR
X100182
6FUSE DETAILS
0670.39 X19007
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE
F315A
5 X1805
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
10
.5 WS/VI
DATA LINK
0670.5
DATA LINK
0670.5X19007
11
.5 GN/GE
6
2FUSE DETAILS
0670.3
F235A
X2719
.5 GN/BL/GE
12
1325
.35 WS/RT
CAN + CAN –
.5 SWX17
X16
.35 SW .35 SW .5 SW
TXD






.0
P90
FRONT POWER
DISTRIBUTION BOX
K19
COMPRESSOR
CONTROL RELAY 6450.6-02
F397.5AF165A
Y2
AIR CONDITIONING
COMPRESSOR 6450.6-02
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-02
K4
BLOWER RELAY 6450.6-00 F20
30A
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
41
R11
BLOWER
RESISTORS 6450.6-00
S75
BLOWER SWITCH 6450.6-00
M30
BLOWER MOTOR 6450.6-00
3258
3
A2w
INSTRUMENT
CLUSTER 6450.6-01B14
EVAPORATOR
TEMPERATURE
SENSOR 6450.6-01
6 X18349
7 X18349
M111
FRESH AIR
RECIRCULATION
MOTOR 6450.6-01
S531
TEMPERATURE
WHEEL SWITCH 6450.6-01
A605
FUSE HOLDER
F953
2A
6450.6-02 6450.6-00
6450.6-01
6
Y4z
WATER VALVE 6450.6-01
P90
FRONT POWER
DISTRIBUTION BOX
K22
HIGH SPEED
RELAY
B9
INTERMEDIATE
PRESSURE
SWITCH
S36
TEMPERATURE
SWITCHM9
AUXILIARY FAN
MOTORK21
NORMAL SPEED
RELAY
6450.6-036450.6-03
6450.6-036450.6-03
6450.6-03 6450.6-03
B8y
PRESSURE
SWITCH
A2w
INSTRUMENT
CLUSTER 6450.6-03
B9508
PRESSURE
SWITCH
F165AF4030A
S221
EVAPORATOR
CONTROLLER
5 X18350
F2410A
AUXILIARY FAN
2
X18350
Z3 VERSIONS
6450.6 INTEGRATED HEATING– AND CLIMATE CONTROL







M VERSIONS
P97
AUXILIARY FUSE
BOX
K21
NORMAL SPEED
RELAY
S36
TEMPERATURE
SWITCHK22
HIGH SPEED
RELAY 6450.6-07
6450.6-076450.6-07
F165AF4840A
A6000
ENGINE
CONTROL
MODULE (DME) 6450.6-07
P90
FRONT POWER
DISTRIBUTION BOXP90
FRONT POWER
DISTRIBUTION BOX F16
5A
M9
AUXILIARY FAN
MOTOR 6450.6-07
P90
FRONT POWER
DISTRIBUTION BOX
K19
COMPRESSOR
CONTROL RELAY 6450.6-06
F397.5AF165A
Y2
AIR CONDITIONING
COMPRESSOR 6450.6-06
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-06
K4
BLOWER RELAY 6450.6-04 F20
30A
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
43
R11
BLOWER
RESISTORS 6450.6-04
S75
BLOWER SWITCH 6450.6-04
M30
BLOWER MOTOR 6450.6-04
1258
S221
EVAPORATOR
CONTROLLER
3
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-04
B14
EVAPORATOR
TEMPERATURE
SENSOR 6450.6-05
26
X18349
X18350
7 X18349
M111
FRESH AIR
RECIRCULATION
MOTOR 6450.6-05
S531
TEMPERATURE
WHEEL SWITCH 6450.6-05
A605
FUSE HOLDER
F953
2A
S2
IGNITION SWITCH 6450.6-046450.6-06 6450.6-04
6450.6-05
K33a
AIR CONDITIONING
RELAY, MOTRONIC 6450.6-04
6
Y4z
WATER VALVE 6450.6-05
B9
INTERMEDIATE
PRESSURE
SWITCHB8y
PRESSURE
SWITCH
5 X18350
B9508
PRESSURE
SWITCH 6450.6-07 6450.6-07
NOT USEDNOT USED 6450.6-07
6450.6-07
AUXILIARY FAN
INTEGRATED HEATING– AND CLIMATE CONTROL




Pin Assignments (Z3 Versions)





E = Input, A = Output, M = GroundX18349
8 Pins, black
X183506 Pins, black
X18349
Pin Type Description/Function Connection
1
ETerminal 15Heating blower relay
2AActivate compressor clutchInstrument cluster
3ABlower level 1 (air conditioning)Blower resistor
4ETerminal 15Heating blower relay
5ABlower level 1 (air-recirculation)Blower resistor
6MGround for function lightsGround point
7ETerminal 15Heating blower relay
8AActivate fresh air-recirculationFresh air-recirculation motor
X18350
Pin Type Description/Function Connection
1
Not used
2MGroundGround point
3EClimate-ON-signalAir conditioning/recirculated air operating
unit
4Not used
5AActivate A/C compressorPressure switch
6EEvaporator temperatureEvaporator temperature sensor




Pin Assignments (M Versions)





E = Input, A = Output, M = GroundX18349
8 Pins, black
X183506 Pins, black
X18349
Pin Type Description/Function Connection
1
MGroundGround point
2AA/C-ON-signalEvaporator controller
3AA/C-ON-signalNormal speed relay
4ETerminal 15Heating blower relay
5ABlower level 1 (air-recirculation)Blower resistor
6MGround for function lightsGround point
7ETerminal 15Heating blower relay
8AActivate fresh air-recirculationFresh air-recirculation motor
X18350
Pin Type Description/Function Connection
1
Not used
2MGroundGround point
3EClimate-ON-signalAir conditioning/recirculated air operating
unit
4Not used
5AActivate A/C compressorPressure switch
6EEvaporator temperatureEvaporator temperature sensor