heater BMW Z3M COUPE 2000 E36 Electrical Troubleshooting Manual



GROUND DISTRIBUTION
GROUND X18170














0670.4-15.5 BR
4 BR
X11355
.5 BR
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
1
X6514
X10064
.5 BR
X6584S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT
X1193
.5 BR
S20w
RADIO ANTI–
THEFT SWITCH
X5391
4 BR
X1325215A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
S8503
PROGRAM SWITCH
X85032.5 BR
X18170
1.5 BR
1.5 BR
1
E28
FRONT CIGAR
LIGHTER
X1014
1.5 BRZ3 VERSIONS
Z3 VERSIONS
1 BR
X4002
.5 BR
X14931
TELEPHONE
CONNECTOR
M VERSIONS
.5 BR .5 BR
Z3 ROADSTER
2X1155
.5 BR .5 BR
1.5 BR
X5322
H10
CHIME MODULE3
X5221
X1213
1
X13047
.5 BR
A110
DIGITAL CLOCK
X5163S18
HAZARD SWITCH X10263
E29
FRONT CIGAR
LIGHTER LIGHT E25
FRONT ASHTRAY
LIGHT
.5 BR
X130451S143
CONVERTIBLE TOP
ACTUATING
SWITCH
.5 BR
X195274
D110
OBD II
CONNECTOR
X183332S8
LIGHT
SWITCH
.5 BR
X10982
M VERSIONS
.5 BR
N5
ANALOG CLOCK
Z3 VERSIONSE96
GEAR SHIFT
LEVER I
NDICATOR
2.5 BR

5203.0 HEATED SEATS

GROUND
DISTRIBUTION
0670.4 X9454GROUND
DISTRIBUTION
0670.4
4














P90
FRONT POWER
DISTRIBUTION BOX
LIGHT SWITCH
DETAILS
6300.0
X100158
FUSE DETAILS
0670.3
6
5X651
10 TEST
9
8
7
6154
14
13
12
11
3
2 2 3 1 X651
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/RT .5 WS/GN
.5 GN/GE
X806
2 4 X733
13 X733
E56
DRIVER’S SEAT-
BACK HEATER E57
DRIVER’S SEAT
HEATER
.5 BR .5 BR
4 6
5X658
2 3 1 X658
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/GE .5 WS/BL
2 4 X740
1
3 X740
E59
PASSENGER’S
SEATBACK HEATER E58
PASSENGER’S
SEAT HEATER
.5 BR .5 BR.5 GR/RT .5 GR/RT1.5 GR/RT
58g
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4




F415A
01
0 2
10 TEST
9
8
7
6154
14
13
12
11
3
2
01
0 2




M VERSIONS AND Z3 VERSIONS EARLY PRODUCTION
.5 GN/GE.5 GN/GE .5 GN/GE

HEATED SEATS

X9454
GROUND
DISTRIBUTION
0670.4
4













P90
FRONT POWER
DISTRIBUTION BOXLIGHT SWITCH
DETAILS
6300.0
X100158
FUSE DETAILS
0670.3
6
X651
10 TEST
9
8
7
6154
14
13
12
11
3
2 2 3 1 X651
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.75 GN/VI
.5 GN/GE
X806
2 X733
3 X733
E56
DRIVER’S SEAT-
BACK HEATER E57
DRIVER’S SEAT
HEATER
.75 BR
4 6
X658
2 3 1 X658
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM .5 GR/RT .5 GR/RT1.5 GR/RT
58g
GROUND
DISTRIBUTION
0670.4
F415A
01
0 2
10 TEST
9
8
7
6154
14
13
12
11
3
2
01
0 2




Z3 ROADSTER LATE PRODUCTION
.5 GN/GE.5 GN/GE .5 GN/GE
25 X275.75 WS/RT
24 X275
X9367
.75 GN/VI .75 GN/VI
.75 GN/VI
.75 BR
X18178
.75 BR
.75 BR
GROUND
DISTRIBUTION
0670.4 .75 GN/VI
2 X740
3 X740
E59
PASSENGER’S
SEATBACK HEATER E58
PASSENGER’S
SEAT HEATER
.75 BR
GROUND
DISTRIBUTION
0670.4




25 X279.75 WS/GE
24 X279
X9368
.75 GN/VI .75 GN/VI
.75 GN/VI
.75 BR
X18179
.75 BR
.75 BR

















6169.0 WINDSHIELD WASHER JET HEATERS
P90
FRONT POWER
DISTRIBUTION BOX
X100178
X1149
X1052X1062
X1051X1061
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
.75 GN/GE
.75 BR.75 BR .75 GN/GE
X11481
X11482
S198
JET HEATER
THERMOSWITCH
.75 GN/GE
E51
LEFT WASHER JET
HEATERE52
RIGHT WASHER
JET HEATER X10088
1
.75 GN/GE


F2410A



LIGHT SWITCH DETAILS











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

4 X651
1 X651S53
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
3X1155
N5
ANALOG CLOCK
ROADSTER



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
X166
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



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION
E28a . CIGAR LIGHTER CONNECTION . . . . . . . . TIRE INFLATION SYSTEM

E29 . .
FRONT CIGAR LIGHTER LIGHT . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22-3

E32 . . LUGGAGE COMPARTMENT LIGHT . . . . . . in luggage compartment (ROADSTER)
E32 . . LUGGAGE COMPARTMENT LIGHT . . . . . . in roof panel (COUPE)


E34 . .

FRONT DOME LIGHT/MAP READING
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . .
in roof panel




E43 . . LEFT LICENSE PLATE LIGHT . . . . . . . . . . . underside of luggage compartment lid, near license plate
E44 . . RIGHT LICENSE PLATE LIGHT . . . . . . . . . underside of luggage compartment lid, near license plate

E51 . .
LEFT WASHER JET HEATER . . . . . . . . . . .
on underside of engine hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37-1

E52 . . RIGHT WASHER JET HEATER . . . . . . . . . . on underside of engine hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-1
E56 . . DRIVER’S SEATBACK HEATER . . . . . . . . . in top of LH backrest
E57 . . DRIVER’S SEAT HEATER . . . . . . . . . . . . . . . under LH front seat
E58 . . PASSENGER’S SEAT HEATER . . . . . . . . . . underside of RH front seat

E59 . .

PASSENGER’S SEATBACK HEATER . . . .

in top of RH backrest






E82 . .

TRANSMISSION POSITION INDICATOR
LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22-1


E96 . . GEAR SHIFT LEVER INDICATOR . . . . . . . center console
E99 . . HARD TOP CONNECTOR 1 . . . . . . . . . . . . . near LH rear wheel well


E105 .

HEAT/A/C CONTROL PANEL
ILLUMINATION . . . . . . . . . . . . . . . . . . . . . .
center of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21-3




E106 .

HEAT/A/C CONTROL PANEL
ILLUMINATION . . . . . . . . . . . . . . . . . . . . . .
center of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21-3


E800 . FRONT LEFT INTERIOR LIGHT . . . . . . . . . near interior rear view mirror



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION
S8 . . . . LIGHT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . LH side of dash

S10 . .
FOG LIGHT SWITCH . . . . . . . . . . . . . . . . . . .
LH side of dash



S13 . . PASSENGER’S DOOR JAMB SWITCH . . . RH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-1
S14 . . DRIVER’S DOOR JAMB SWITCH . . . . . . . . LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-1
S17 . . MIRROR CONTROL SWITCH . . . . . . . . . . . in upper LH front door
S18 . . HAZARD SWITCH . . . . . . . . . . . . . . . . . . . . . center console bottom

S20w .
RADIO ANTI–THEFT SWITCH . . . . . . . . . .
center console (radio and console removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36-1

S21w . ENGINE HOOD SWITCH . . . . . . . . . . . . . . . near LH headlight assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1
S28 . . CRUISE CONTROL SWITCH . . . . . . . . . . . . LH side of dash RH side of steering column above
S30 . . BRAKE LIGHT SWITCH . . . . . . . . . . . . . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
S31 . . PARK BRAKE SWITCH . . . . . . . . . . . . . . . . . center console on rear of park brake lever

S32 . .

CLUTCH SWITCH . . . . . . . . . . . . . . . . . . . . .

LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20-1


S36 . . TEMPERATURE SWITCH . . . . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-1
S38y . TILT SUNROOF SWITCH . . . . . . . . . . . . . . . in roof panel
S47 . . DRIVER’S DOOR LOCK SWITCH . . . . . . . . in driver’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-1

S49 . .
PASSENGER’S DOOR LOCK SWITCH . . .
in passenger’s door





S51 . .

DRIVER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LH front seat



S53 . . DRIVER’S SEAT, SEAT HEATER SWITCH center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-1


S54 . .

PASSENGER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23-1




S56 . .

PASSENGER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RH front seat



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION
S58 . . DRIVER’S SEAT BELT SWITCH . . . . . . . . . in LH front seat belt buckle

S59 . .
PASSENGER’S SEAT BELT SWITCH . . . .
in RH front seat belt buckle



S75 . . BLOWER SWITCH . . . . . . . . . . . . . . . . . . . . . center of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-3
S76 . . REAR WINDOW DEFOGGER SWITCH . . . center console


S117 . .

LUGGAGE COMPARTMENT LID LOCKING
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-3

S221 .

EVAPORATOR CONTROLLER . . . . . . . . . .

RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21-2


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



S826 .

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



S910 . DRIVER’S SEAT LIMIT SWITCH . . . . . . . . . in driver’s seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-3
S911 . . PASSENGER’S SEAT LIMIT SWITCH . . . . in passenger’s seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-3

S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
X700
X1380
COMPONENT LOCATION VIEWS











X19018


S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
X651
X658