fuel BMW Z3M COUPE 2000 E36 Electrical Troubleshooting Manual
Page 200 of 382
Pin Assignments
E = Input, A = Output, M = Ground
X17
Pin Type Description/Function Connection
1
ETrailer turn signal indicator controlHazard flasher relay (Z3 Versions Early
Production)
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
5EVoltage supply, terminal 15 for battery
charge indicatorIgnition switch, terminal 15 (M Versions)
6EGround supply, terminal 61 for battery
charge indicatorGenerator
7Not used
8EFog light indicator controlFront power distribution box, fuse 15
(Z3 Versions)
9ASound tone signalChime module
10not used
11ESlip control system warning lamp (ABS)
controlSlip control module (ABS/ASC)
(M Versions)
12EASC signalASC control module (M Versions)
13ATI-measurement signal (fuel consumption)Engine control module (DME) (M Versions)
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
17ACoolant temperature sensor (–)Coolant temperature sensor (M Versions)
18ECoolant temperature sensor (+)Coolant temperature sensor (M Versions)
19EOil pressure warning lamp controlOil pressure switch (M Versions)
Engine control module (Z3 Versions)
20Not used
21MGround (ASC)Ground point (M Versions)
21EABS warning lamp (ABS)Slip control module (ABS/ASC)
(Z3 Versions)
Page 201 of 382
Pin Assignments
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
22
EIgnition 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
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 (TW)Vehicle 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
Page 204 of 382
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
Page 274 of 382
6581.3 BOARD COMPUTER (BC – LOW)
B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
31
30
31
3131
.35 BR/GR
P90
FRONT POWER
DISTRIBUTION BOX
232 X10018
FUSE DETAILS
0670.3
510
911
LIGHT SWITCH
DETAILS
6300.0
X10245
86 X10245
X10010
1 X770
2 X770
GROUND
DISTRIBUTION
0670.4
X10010GROUND
DISTRIBUTION
0670.4
F315AF4615A
58g
FUSE DETAILS
0670.3
.5 WS/VI2.35 WS/GE3.5 BR/GE7
15
.5 SW/WS2
X188INSTRUMENT
CLUSTER
6211.0
X11291
B6y
FUEL SENSOR 3 X6500
6 X6500
15
31
3 X271
.5 BR/SW
.5 BR/GE
1 X271
15
.35 BR/RT1
10 X32
1 X32
X18170
GROUND
DISTRIBUTION
0670.4
A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT 2
X17
.35 SW/WS
.5 GR/RT
A35y
BOARD
COMPUTER
(BC – LOW)
S7
COMBINATION
SWITCH
10) PROGRAM
MODUS 10TXD RXD
DATA LINK
0670.5
.5 BR/GE
A2w
INSTRUMENT
CLUSTER
.5 BR/SW.5 BR/SW
X805
INSTRUMENT
CLUSTER
6211.0
31
4
.35 WS/SW25
15
.35 BR/RT
.5 BR