BMW Z3M COUPE 1999 E36 Electrical Troubleshooting Manual













INSTRUMENT CLUSTER
INDICATORS
5
X4231
S31
PARK BRAKE
SWITCH
1) BRAKE SET
2) BRAKE NOT
SET
17
.5 BR/GNP90
FRONT POWER
DISTRIBUTION BOX
X203
7 2.5 GN
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
A2w
INSTRUMENT
CLUSTER 23
6X1712X1721
POWER
DISTRIBUTION
0670.2
CHARGING
SYSTEM
1230.0
2.5 GN
1.5 GN
GROUND
DISTRIBUTION
0670.4
14X10017
1
X209FUSE DETAILS
0670.3
X33
X1100
.5 GN
F275A
2
10 3

2 1
.5 BL


X1682
.5 BR/GN
PARK
BRAKE
A52
SLIP CONTROL
MODULE
(ABS/ASC) 76 X1175
.5 BR/GN
M VERSIONS
X16
31 .5 BL/BR
11
30 .5 GR/SW/GE
DATA LINK
0670.5
.5 WS/GE
11
.5 WS/VI
X1612
RXD TXD
31
!
X17













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










P90
FRONT POWER
DISTRIBUTION BOX
X1001712
1FUSE DETAILS
0670.3
39
3 X6254
.5 GR/BR
GROUND
DISTRIBUTION
0670.4
X62542
B6254
THERMAL OIL
LEVEL SWITCH
F2610A
2 1

B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSURE .5 BR/GN
1 X6231
X60003
A6000
ENGINE CONTROL
MODULE (DME)
26
37 X60004
.5 BR
21 .5 GN/GE17 .5 SW11 .5 BR/GN36 .5 GE
X1894
A52
SLIP CONTROL
MODULE
(ABS/ASC)10 X1170
.5 BR
.5 GE X1893
.5 BR
11
.5 GE
CAN –CAN +
CAN + CAN –
TD













INSTRUMENT CLUSTER
INDICATORS
X4231
S31
PARK BRAKE
SWITCH
1) BRAKE SET
2) BRAKE NOT
SET
17P90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER 23
6X1721X173
CHARGING
SYSTEM
1230.0
GROUND
DISTRIBUTION
0670.4
14 X10017
FUSE DETAILS
0670.3
F275A

2 1
.5 BL


.5 BL/BR/GE
PARK
BRAKE
A35y
BOARD
COMPUTER
(BC – LOW) X10245
Z3 VERSIONS
X16
16
25
4 .5 GR/SW/GE
HEADLIGHTS/FOG
LIGHTS
6312.0
.75 GE/BR
8
.5 WS/RT
X171
!
X17
X16
X1170
.35 WS/GN
15
7 X6002
TURN/HAZARD
LIGHTS
6313.0 D100
DATA LINK
CONNECTOR
.35 WS/SW
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY X18349
6
2
1 SW/VIX189
X100545 .5 VI/GR
15
7
.5 SW/GRX271
1 SW/VI1 SW/VI
INTEGRATED
HEATING– AND
CLIMATE CONTROL
6450.6 A52
SLIP CONTROL
MODULE
(ABS/ASC)



6213.3 DIGITAL CLOCK









X102633 5P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
A110
DIGITAL CLOCK X10263
2
GROUND
DISTRIBUTION
0670.4
.5 GR/RT
LIGHT SWITCH
DETAILS
6300.0
X1001830
6FUSE DETAILS
0670.3 2
F315AF457.5A
3131


Z3 VERSIONS





A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X5037
PARK/TAIL/UNDER-
HOOD LIGHTS
6314.0F33
10A
6
12 1FUSE DETAILS
0670.3
X10018













F225A
P90
FRONT POWER
DISTRIBUTION BOX
45
HEADLIGHTS/FOG
LIGHTS
6312.0
FUSE DETAILS
0670.3
X196
4
2F25
5A
F3710A

10 14
11 10 8 2
.5 GE/VI .5 GE 1 GR/SW
6300.0 LIGHT SWITCH DETAILS
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3
X10017
1 GR/GE 1 GR/VI
GROUND
DISTRIBUTION
0670.4S8
LIGHT SWITCH
0) OFF
1) PARK LIGHTS ON
2) HEADLIGHTS ON
3) DIMMER
6 X503
2.5 GR/RT
F235A

6
1FUSE DETAILS
0670.3
X18333
X18333
6300.0-016300.0-02
2 X10182
.5 GR/SW
X595
1.5 GR/RT 1.5 GR/RT
0 2
10 2
10 2
10 2
1
0
21
A51
WIPER/WASHER
MODULE4 X285
.5 GR/SW3
6300.0-03
M VERSIONS Z3 VERSIONS
LICENSE PLATE/
LUGGAGE
COMPARTMENT
LIGHTS
6320.0

X5214
X5212
2M COUPE














4 X516
2 X16
A2w
INSTRUMENT
CLUSTER
S18
HAZARD SWITCH
1) OFF
2) ON .5 GR/RT .5 GR/RT13 X18126N9
RADIO .5 GR/RT
X5163
GROUND
DISTRIBUTION
0670.4
X1439
E96
GEAR SHIFT LE-
VER INDICATOR .5 GR/RT
2
LIGHT SWITCH DETAILS
X898
S76
REAR WINDOW
DEFOGGER
SWITCH .5 GR/RT
7
E25
FRONT ASHTRAY
LIGHT 2 X1213
1 X1213
GROUND
DISTRIBUTION
0670.4
5 X322
.5 GR/RT
5
TURN/HAZARD
LIGHTS
6313.0.5 BL/GN
.5 GR/RT
21
E29
FRONT CIGAR
LIGHTER LIGHT 1 X532
2 X532
6300.0-00
X878
.5 GR/RT 1.5 GR/RT
X18170
GROUND
DISTRIBUTION
0670.4
1X13045
X130454
S143
CONVERTIBLE TOP
ACTUATING
SWITCH
.5 GR/RT
.5 BR
1 X1439
GROUND
DISTRIBUTION
0670.4
X2227
S6
ASC SWITCH 3
2 X2227
.5 GR/RT
GROUND
DISTRIBUTION
0670.4
M VERSIONS
Z3 VERSIONS



LIGHT SWITCH DETAILS









E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT .5 GR/RT
1 X1193
2 X1193


4 X651
1
X651
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
.5 GR/RT 6300.0-00
X806
1.5 GR/RT
A35y
BOARD
COMPUTER (BC –
LOW)
11 X10245
.5 GR/RT
A110
DIGITAL CLOCK
2 X10263
.5 GR/RT
X18170
4 X658
1X658S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
.5 GR/RT
E105
HEAT/A/C
CONTROL PANEL
ILLUMINATION
.35 GR/RT
2 X18983
1 X18983
E106
HEAT/A/C
CONTROL PANEL
ILLUMINATION
.35 GR/RT
2
1
X13004
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
X985
.5 GR/RT
.5 BR/WS
.5 BR/WSX18984
X18984
8 X10054
.5 GR/RT
S126y
DRIVER’S POWER
WINDOW SWITCH .5 GR/RT
4 X316
3 X316
GROUND
DISTRIBUTION
0670.4
S127y
PASSENGER’S
POWER WINDOW
SWITCH
X324
X324
X494
GROUND
DISTRIBUTION
0670.4 .5 GR/RT
3
4
Z3 VERSIONS



LIGHT SWITCH DETAILS











4 X651
1 X651S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
.5 GR/RT 6300.0-00
X806
1.5 GR/RT
.5 GR/RT
.5 GR/RT
X18170
4 X658
1X658S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
.5 GR/RT
E105
HEAT/A/C
CONTROL PANEL
ILLUMINATION
.35 GR/RT
2 X18983
1 X18983
E106
HEAT/A/C
CONTROL PANEL
ILLUMINATION
.35 GR/RT
2
1
X9633
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
X985
.5 GR/RT
.5 BR/WS
.5 BR/WSX18984
X18984
8 X10054
.5 GR/RT
S126y
DRIVER’S
POWER
WINDOW
SWITCH .5 GR/RT
4 X316
3 X316
GROUND
DISTRIBUTION
0670.4
S127y
PASSENGER’S
POWER WINDOW
SWITCH
X324
X324
X494
GROUND
DISTRIBUTION
0670.4 .5 GR/RT
3
4
6 X19245
.75 GR/RT
B59
OIL TEMPERATURE
GAUGE
X21114
X21114
N5
ANALOG CLOCK
X21113
X21113
X10010
GROUND
DISTRIBUTION
0670.4 .5 GR/RT
2
1 .5 GR/RTX9806
12
M VERSIONS
B211
VOLTMETER
X21112
X211122
1