1999 BMW Z3M COUPE mirror

BMW NA
ELECTRICAL TROUBLESHOOTING
MANUAL
SERIES 3 – E36/7 (Z3 Roadster, Z3 Coupe,
M Roadster, and M Coupe)
SCHEMATICS MODEL YEAR 1999
0100.0 INDEX
0110.0 INTRODUCTION
0140.0 SYMBOLS
0670.0POWER DISTRIBUTION CHART 0670.1 FUSE CHART 0670.2 POWER DISTRIBUTION
0670.3 FUSE DETAILS
0670.4 GROUND DISTRIBUTION
0670.5 DATA LINK
1210.17 ENGINE CONTROL SYSTEM
MS41.1 (6–CYLINDER S52)

1210.25
ENGINE CONTROL SYSTEM
MS42.1 (6–CYLINDER M52)
1230.0 CHARGING SYSTEM
1240.0 START
1290.0 E–BOX FAN
2460.2 ELECTRONIC TRANSMISSION
CONTROL (EGS A4S 270R)

3234.0
SUPPLEMENTAL RESTRAINT
SYSTEM (AIR BAG)
3450.1 SLIP CONTROL (ABS/ASC)
3614.0 TIRE INFLATION SYSTEM
5116.0 POWER MIRRORS
5126.0ZKE CENTRAL LOCKING (ZV) 5133.0 ZKE POWER WINDOWS (FH) 5200.0 POWER SEATS 5203.0 HEATED SEATS
5410.5 POWER TILT SUNROOF


5430.2

ELECTRO–HYDRAULIC
CONVERTIBLE TOP
6100.0 CENTRAL BODY ELECTRONICS
(ZKE IV)
6133.0 HORN

6135.1

DRIVE–AWAY PROTECTION
(EWS III)
6160.1 WIPER/WASHER MODULE (WWM)
6167.1 HEADLIGHT WASHER (SRA)
6169.0 WINDSHIELD WASHER JET
HEATERS
6211.0 INSTRUMENT CLUSTER 6213.3 DIGITAL CLOCK 6300.0 LIGHT SWITCH DETAILS
6312.0 HEADLIGHTS/FOG LIGHTS
6313.0 TURN/HAZARD LIGHTS
6314.0 PARK/TAIL/UNDERHOOD LIGHTS
6320.0 LICENSE PLATE/LUGGAGE
COMPARTMENT LIGHTS
6322.0 BACK UP LIGHTS
6325.0 BRAKE LIGHTS
6330.3 INTERIOR LIGHTS
6332.0 INTERIOR ACCESSORIES
6350.0CRASH CONTROL MODULE 6424.0 REAR WINDOW DEFOGGER
6450.6
INTEGRATED HEATING– AND
CLIMATE CONTROL
6510.1 RADIO/HIFI


6561.0

CELLULAR TELEPHONE
(PROVISIONS)
6571.0CRUISE CONTROL (TEMPOMAT) 6575.2 ANTI–THEFT SYSTEM (ALPINE) 6581.3 BOARD COMPUTER (BC – LOW) 7000.0 COMPONENT LOCATION CHART
7100.0 COMPONENT LOCATION VIEWS
8000.0 SPLICE LOCATION VIEWS
8500.0 CONNECTOR VIEWS

INDEX













KNOCK SENSOR, B6240 1210.25-09. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LEAKAGE DIAGNOSIS PUMP, Y6139 1210.25-04. . . . . . . . . . . . . . . . . . . . .
LICENSE PLATE LIGHT, LEFT, E43 6320.0-00. . . . . . . . . . . . . . . . . . . . . . . .
LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS 6320.0-00. . . . . .
LIGHT ASSEMBLY, LEFT REAR, E16 0670.4-16. . . . . . . . . . . . . . . . . . . . . .
LIGHT ASSEMBLY, RIGHT REAR, E17 0670.4-16. . . . . . . . . . . . . . . . . . . . .
LIGHT SWITCH DETAILS 6300.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LIGHT SWITCH, S8 6300.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW BEAM LIGHT RELAY, K48 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW BEAM LIGHT, LEFT, E13 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW RANGE SPEAKER, LEFT FRONT, H58 6510.1-01. . . . . . . . . . . . . . . .
LOW RANGE SPEAKER, LEFT REAR, H57 6510.1-02. . . . . . . . . . . . . . . . .
LOW RANGE SPEAKER, RIGHT FRONT, H51 6510.1-01. . . . . . . . . . . . . .
LOW RANGE SPEAKER, RIGHT REAR, H52 6510.1-02. . . . . . . . . . . . . . . .
LUGGAGE COMPARTMENT LID LOCKING SWITCH, S117 5126.0-05. . .
LUGGAGE COMPARTMENT LIGHT SWITCH, S826 6320.0-00. . . . . . . . .
LUGGAGE COMPARTMENT LIGHT, E32 6320.0-01. . . . . . . . . . . . . . . . . . .
LUGGAGE COMPARTMENT LOCK MOTOR, M17 5126.0-03. . . . . . . . . . .
LUGGAGE COMPARTMENT LOCK MOTOR, M17 5126.0-05. . . . . . . . . . .
MARKER LIGHT, LEFT FRONT, E21 6314.0-01. . . . . . . . . . . . . . . . . . . . . . .
MARKER LIGHT, RIGHT FRONT, E22 6314.0-01. . . . . . . . . . . . . . . . . . . . . .
MID–HIGH RANGE SPEAKER, REAR LEFT, H55z 6510.1-02. . . . . . . . . . .
MID–HIGH RANGE SPEAKER, REAR RIGHT, H54z 6510.1-02. . . . . . . . . .
MIDRANGE SPEAKER, LEFT FRONT, H55 6510.1-02. . . . . . . . . . . . . . . . .
MIDRANGE SPEAKER, LEFT FRONT, H55 6510.1-03. . . . . . . . . . . . . . . . .
MIDRANGE SPEAKER, RIGHT FRONT, H54 6510.1-01. . . . . . . . . . . . . . . .
MIRROR CONTROL SWITCH, S17 5116.0-00. . . . . . . . . . . . . . . . . . . . . . . .
MIRROR, DRIVER’S SIDE, Y5 5116.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MIRROR, PASSENGER’S SIDE, Y6 5116.0-01. . . . . . . . . . . . . . . . . . . . . . . .
NORMAL SPEED RELAY, K21 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . NORMAL SPEED RELAY, K21 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OBD II CONNECTOR, D110 0670.5-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OBD II CONNECTOR, D110 0670.5-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OIL PRESSURE SWITCH, B6231 1210.25-08. . . . . . . . . . . . . . . . . . . . . . . . .
OIL PRESSURE SWITCH, B6231 6211.0-03. . . . . . . . . . . . . . . . . . . . . . . . . .
OIL PRESSURE SWITCH, B6231 6211.0-07. . . . . . . . . . . . . . . . . . . . . . . . . .
OIL TEMPERATURE GAUGE, B59 6211.0-05. . . . . . . . . . . . . . . . . . . . . . . . .
OIL TEMPERATURE SENSOR, B6238 1210.25-07. . . . . . . . . . . . . . . . . . . .
OIL TEMPERATURE SENSOR, B6238 6211.0-05. . . . . . . . . . . . . . . . . . . . .
ON–BOARD COMPUTER TEMPERATURE SENSOR, B21 6581.3-00. . . .
OXYGEN SENSOR I
(BEHIND CATALYTIC CONVERTER), B62102 1210.17-04. . . . . . . . . . . . .
OXYGEN SENSOR I
(BEHIND CATALYTIC CONVERTER), B62102 1210.25-06. . . . . . . . . . . . .
OXYGEN SENSOR I
(IN FRONT OF CATALYTIC CONVERTER), B62101 1210.17-04. . . . . . . .
OXYGEN SENSOR I
(IN FRONT OF CATALYTIC CONVERTER), B62101 1210.25-06. . . . . . . .
OXYGEN SENSOR II
(BEHIND CATALYTIC CONVERTER), B62202 1210.17-04. . . . . . . . . . . . .
OXYGEN SENSOR II
(BEHIND CATALYTIC CONVERTER), B62202 1210.25-06. . . . . . . . . . . . .
OXYGEN SENSOR II
(IN FRONT OF CATALYTIC CONVERTER), B62201 1210.17-04. . . . . . . .
OXYGEN SENSOR II
(IN FRONT OF CATALYTIC CONVERTER), B62201 1210.25-06. . . . . . . .
PARK BRAKE SWITCH, S31 6211.0-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARK BRAKE SWITCH, S31 6211.0-08. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARK LIGHT, LEFT, E15 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARK/TAIL/UNDERHOOD LIGHTS 6314.0. . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER DISTRIBUTION 0670.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INDEX













POWER DISTRIBUTION CHART 0670.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER MIRRORS 5116.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER SEATS 5200.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER TILT SUNROOF 5410.5-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER WINDOW SWITCH, DRIVER’S, S126y 5133.0-01. . . . . . . . . . . . .
POWER WINDOW SWITCH, PASSENGER’S, S127y 5133.0-01. . . . . . . . .
PRESSURE SWITCH, B8y 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE SWITCH, B8y 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE SWITCH, B9508 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE SWITCH, B9508 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PROGRAM SWITCH, S8503 2460.2-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PYROTECHNICAL BELT TENSIONER, DRIVER’S SIDE, G12 3234.0-00.
PYROTECHNICAL BELT TENSIONER, PASSENGER’S SIDE,
G13 3234.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIO ANTI–THEFT SWITCH, S20w 6575.2-00. . . . . . . . . . . . . . . . . . . . . .
RADIO, N9 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIO/HIFI 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RESISTOR, R8554 0670.4-08. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REVERSING LIGHT SWITCH, S8511 6322.0-00. . . . . . . . . . . . . . . . . . . . . . .
RIGHT HIGH BEAM LIGHT, RIGHT, E12 6312.0-01. . . . . . . . . . . . . . . . . . . .
RIGHT HORN, RIGHT, H3 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RIGHT LICENSE PLATE LIGHT, RIGHT, E44 6320.0-00. . . . . . . . . . . . . . . .
RIGHT LOW BEAM LIGHT, RIGHT, E14 6312.0-01. . . . . . . . . . . . . . . . . . . .
RIGHT PARK LIGHT, RIGHT, E19 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT BELT SWITCH, DRIVER’S, S58 3234.0-02. . . . . . . . . . . . . . . . . . . . . .
SEAT BELT SWITCH, PASSENGER’S, S59 3234.0-02. . . . . . . . . . . . . . . . .
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 5200.0-00. . . . . . . . . . . .
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 5200.0-02. . . . . . . . . . . .
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 5200.0-01. . . . . . .
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 5200.0-03. . . . . . . SEAT HEATER SWITCH, DRIVER’S SEAT, S53 5203.0-00. . . . . . . . . . . . .
SEAT HEATER SWITCH, PASSENGER’S SEAT, S54 5203.0-00. . . . . . . . .
SEAT HEATER, DRIVER’S, E57 5203.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT HEATER, PASSENGER’S, E58 5203.0-00. . . . . . . . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, DRIVER’S, M52 5200.0-00. . . . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, DRIVER’S, M52 5200.0-02. . . . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, PASSENGER’S, M59 5200.0-01. . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, PASSENGER’S, M59 5200.0-03. . . . . . . . . . . . . . .
SEAT LENGTH ADJUST CUT–OFF RELAY, DRIVER’S, K921 5200.0-02.
SEAT LENGTH ADJUST CUT–OFF RELAY, PASSENGER’S,
K911 5200.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT LIMIT SWITCH, DRIVER’S, S910 5200.0-02. . . . . . . . . . . . . . . . . . . . .
SEAT LIMIT SWITCH, PASSENGER’S, S911 5200.0-03. . . . . . . . . . . . . . . .
SEAT MAT, I1008 3234.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, DRIVER’S, M51 5200.0-00. . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, DRIVER’S, M51 5200.0-02. . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 5200.0-01. . . . . . . . . . .
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 5200.0-03. . . . . . . . . . .
SEAT OCCUPANCY DETECTOR, A113 3234.0-01. . . . . . . . . . . . . . . . . . . . .
SEAT TILT ADJUST CUT–OFF RELAY, DRIVER’S, K920 5200.0-02. . . . .
SEAT TILT ADJUST CUT–OFF RELAY, PASSENGER’S,
K910 5200.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEATBACK HEATER, DRIVER’S, E56 5203.0-00. . . . . . . . . . . . . . . . . . . . . .
SEATBACK HEATER, PASSENGER’S, E59 5203.0-00. . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP RELAY, K6304 1210.17-05. . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP RELAY, Y6304 1210.25-04. . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP VALVE, Y6163 1210.17-05. . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP VALVE, Y6163 1210.25-03. . . . . . . . . . . . . . . . . . .
SHIFT–LOCK,Y19 2460.2-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SIDE IMPACT SENSOR, DRIVER’S, B78 3234.0-03. . . . . . . . . . . . . . . . . . .

*15A


0670.1 FUSE CHART




FUSES 1 TO 29








FUSE NUMBER
12345 10 206 7 8 9 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29
1210.25
1290.0
2460.2
3234.0
30A 10A 30A 15A 30A 20A 5A 30A 7.5A 5A 15A 5A 5A 5A 10A 5A 7.5A20A15A 30A 5A 5A
ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
E–BOX FAN
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
7.5A 30A 10A 10A30A
5116.0POWER MIRRORS
5133.0
5200.0ZKE POWER WINDOWS (FH)
POWER SEATS
5203.0
6133.0
6160.1HEATED SEATS
HORN
WIPER/WASHER MODULE (WWM) 5126.0ZKE CENTRAL LOCKING (ZV) 3450.1SLIP CONTROL (ABS/ASC) 1230.0CHARGING SYSTEM
6135.1DRIVE–AWAY PROTECTION (EWS III)

























1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)









6100.0CENTRAL BODY ELECTRONICS (ZKE IV)



6167.1HEADLIGHT WASHER (SRA)

5430.2ELECTRO–HYDRAULIC CONVERTIBLE TOP


1240.0START

3614.0TIRE INFLATION SYSTEM
5410.5POWER TILT SUNROOF


M VERSIONS *
7.5A











*5A



FUSE CHART




FUSES 30 TO 205







FUSE NUMBER





39
7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 15A 15A 7.5A 15A30A 10A

40     
  38 37 36 35
5A 5A

40A

1210.25
1290.0
2460.2
3234.0ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
E–BOX FAN
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
5116.0POWER MIRRORS
5133.0
5200.0ZKE POWER WINDOWS (FH)
POWER SEATS
5203.0
6133.0
6160.1HEATED SEATS
HORN
WIPER/WASHER MODULE (WWM) 5126.0ZKE CENTRAL LOCKING (ZV) 3450.1SLIP CONTROL (ABS/ASC) 1230.0CHARGING SYSTEM
6135.1DRIVE–AWAY PROTECTION (EWS III) 1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)
6100.0CENTRAL BODY ELECTRONICS (ZKE IV)
6167.1HEADLIGHT WASHER (SRA) 5430.2ELECTRO–HYDRAULIC CONVERTIBLE TOP 1240.0START
3614.0TIRE INFLATION SYSTEM
5410.5POWER TILT SUNROOF
50A

30A


20A


30A


30A




FUSES 24 AND 25







FUSE DETAILS



P90
FRONT POWER
DISTRIBUTION BOX
F25
5A
X6254
S17
MIRROR CONTROL
SWITCH
5116.0X102625
X25718
X10020
.75 GN/SWX11264
K46
HIGH BEAM LIGHT
RELAY .75 GN/SW
.75 GN/SW
8X1001710
.5 GN/RT
X11481
S198
JET HEATER
THERMOSWITCH
6169.0 .75 GN/SW
X5034
S8
LIGHT SWITCH .5 GN/RT
.5 GN/RT
6312.0
6300.0
6312.0
6350.0 F24
10A
X195651
S559
PASSENGER’S AIR
BAG CUT–OFF
SWITCH
3234.0 .5 GN/SW
X588
K4
BLOWER RELAY .5 GN/SW
6450.6
X190182COUPE 1 GN/SW
X6431
S38y
TILT SUNROOF
SWITCH
5410.5 1.5 BR Z3 VERSIONS
K46z
DAY LIGHT RELAY
MODULE
CDN



GROUND DISTRIBUTION
GROUND X9633











X9633
Z3 VERSIONS
X6234Y5
DRIVER’S SIDE
MIRROR
.5 BR
X6252S17
MIRROR CONTROL
SWITCH
.75 BR
X7493M21
DRIVER’S
WINDOW
MOTOR
.5 BR
X849
X2571
.75 BR
1 BR
X2951S5
WIPER/WASHER
SWITCH
.75 BR
X648K16
HAZARD FLASHER
RELAY
.75 BR
X183332S8
LIGHT SWITCH
.5 BR .75 BR
X10982
.75 BR
X1115
1.5 BR
X102624K46
HIGH BEAM LIGHT
RELAY
.5 BR
X1112B18
BRAKE FLUID
LEVEL SWITCH
.5 BR
X454K48
LOW BEAM LIGHT
RELAY
.5 BR
X584K4
BLOWER RELAY
.5 BR
X853Y4z
WATER VALVE
X10024
X173A2w
INSTRUMENT
CLUSTER
.5 BR
X189941S235
STARTER
IMMOBILIZATION
SWITCH
.5 BR
X3312S2
IGNITION SWITCH
.5 BR
X3721H1w
ANTI–THEFT HORN
(ALPINE)
1 BR
X634K9
UNLOADER RELAY,
TERMINAL 15
.5 BR
X10008
4 BRX11353
.5 BR
X3331
X2857
A51
WIPER/WASHER
MODULEM3
WIPER MOTOR
2.5 BR
2.5 BR 1.5 BR
1.5 BR
.75 BR NOT USED
WITH EGS
K46z
DAY LIGHT RELAY
MODULECDN

1.5 BRS221
EVAPORATOR
CONTROLLER
.75 BR


GROUND DISTRIBUTION
GROUND X9633











X1115
X6234Y5
DRIVER’S SIDE
MIRROR
X6252S17
MIRROR CONTROL
SWITCH
K16
HAZARD FLASHER
RELAY
.5 BR
X648
X2951S5
WIPER/WASHER
SWITCH
.75 BR
X849
X2571
.75 BR
2.5 BR
X1616
X3331M3
WIPER MOTOR
X10141E28
FRONT CIGAR
LIGHTER
2.5 BR
X1005431
2.5 BR
2.5 BR.5 BR/WS
2.5 BR
.5 BRX1517
2M111
FRESH AIR
RECIRCULATION
MOTOR
B14
EVAPORATOR
TEMPERATURE
SENSOR
X7711
X132871M30
BLOWER MOTOR
X183502
X818
1 BR
X189842E106
HEAT/A/C
CONTROL PANEL
ILLUMINATION
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
X183496
X189832E105
HEAT/A/C
CONTROL PANEL
ILLUMINATION
X814
2.5 BR
.5 BR/WS .5 BR/
WS.5 BR/
WS .5 BR
1 BR .75 BR .75 BR
6 BR
.5 BR
X7493M21
DRIVER’S WINDOW
MOTORS220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
X183491
1.5 BR
M VERSIONS