1998 BMW Z3M ROADSTER engine

BMW NA


\b\b
\f


\f \f 
ELECTRICAL TROUBLESHOOTING
MANUAL
SERIES 3 – E36/7 (Z3 Roadster and M Roadster )
SCHEM ATICS MODEL YEAR 1998
0100.0INDEX
0110.0
INTRODUCTION
0140.0
SYMBOLS
0670.0
POWER DISTRIBUTION CHART

0670.1
FUSE CHART

0670.2
POWER DISTRIBUTION

0670.3
FUSE DETAILS
0670.4GROUND DISTRIBUTION
0670.5
DATA LINK


1210.17


ENGINE CONTROL SYSTEM
MS41.1 (6–CYLINDER M52/S52)




1210.20



ENGINE CONTROL SYSTEM
(DME M5.2, 4–CYLINDER M44)

1230.0
CHARGING SYSTEM
1240.0START
1290.0
E–BOX FAN


2460.2


ELECTRONIC TRANSMISSION
CONTROL (EGS A4S 270R)




3234.0



SUPPLEMENTAL RESTRAINT
SYSTEM (AIR BAG)

3450.0
SLIP CONTROL (ABS)
3450.1SLIP CONTROL (ABS/ASC)
3614.0
TIRE INFLATION SYSTEM
5116.0
POWER MIRRORS
5126.0
ZKE CENTRAL LOCKING (ZV)

5133.0
ZKE POWER WINDOWS (FH)

5200.0
POWER SEATS

5203.0
HEATED SEATS

5430.2
ELECTRO–HYDRAULIC
CONVERTIBLE TOP




6100.0



CENTRAL BODY ELECTRONICS
(ZKE IV)

6133.0
HORN

6135.0
DRIVE–AWAY PROTECTION
(EWS II)

6160.1
WIPER/WASHER MODULE (WWM)
6167.1
HEADLIGHT WASHER (SRA)




6169.0



WINDSHIELD WASHER JET
HEATERS

6211.0
INSTRUMENT CLUSTER
6213.3DIGITAL 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
6322.0BACK UP LIGHTS
6325.0
BRAKE LIGHTS
6330.3
INTERIOR LIGHTS
6332.0
INTERIOR ACCESSORIES

6350.0
CRASH CONTROL MODULE

6424.0
REAR WINDOW DEFOGGER

6450.6
INTEGRATED HEATING– AND
CLIMATE CONTROL

6510.1
RADIO/HIFI


6561.0


CELLULAR TELEPHONE
(PROVISIONS)

6571.0
CRUISE CONTROL (TEMPOMAT)

6575.2
ANTI–THEFT SYSTEM (ALPINE)

6581.3
BOARD COMPUTER (BC – LOW)
7000.0COMPONENT LOCATION CHART
7100.0
COMPONENT LOCATION VIEWS
8000.0
SPLICE LOCATION VIEWS

8500.0
CONNECTOR VIEWS

INDEX






 !""
#""$






DATA LINK CONNECTOR, D100 0670.5. . . . . . . . . . . . . . . . . . . . . . . .
DEFOGGER I, REAR, E9 6424.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIGITAL CLOCK 6213.3-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIGITAL CLOCK, A110 6213.3-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOOR JAMB SWITCH, DRIVER’S, S14 5126.0-01. . . . . . . . . . . . . .
DOOR JAMB SWITCH, PASSENGER’S, S13 5126.0-01. . . . . . . . . .
DOOR LOCK MOTOR, DRIVER’S, M12 5126.0-02. . . . . . . . . . . . . .
DOOR LOCK MOTOR, PASSENGER’S, M13 5126.0-02. . . . . . . . . .
DOOR LOCK SWITCH, DRIVER’S, S47 5126.0-00. . . . . . . . . . . . . .
DOOR LOCK SWITCH, PASSENGER’S, S49 5126.0-00. . . . . . . . .
DOUBLE TEMPERATURE SWITCH, S36y 6450.6-04. . . . . . . . . . . .
DRIVE–AWAY PROTECTION (EWS II) 6135.0. . . . . . . . . . . . . . . . . .
DUAL TEMPERATURE SENSOR
(COOLANT TEMPERATURE), B6256 1210.17-02. . . . . . . . . . . . . .
E–BOX FAN 1290.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E–BOX FAN, M6506 1290.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRICAL COMPRESSOR, M805 3614.0-00. . . . . . . . . . . . . . . .
ELECTRO–HYDRAULIC CONVERTIBLE TOP 5430.2. . . . . . . . . . .
ELECTRONIC IMMOBILIZER CONTROL MODULE
(EWS II), A836 6135.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRONIC TRANSMISSION CONTROL
(EGS A4S 270R) 2460.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE CONTROL MODULE (DME), A6000 1210.17. . . . . . . . . . . .
ENGINE CONTROL MODULE (DME), A6000 1210.20. . . . . . . . . . . .
ENGINE CONTROL MODULE RELAY, K6300 1210.17-00. . . . . . . .
ENGINE CONTROL MODULE RELAY, K6300 1210.20-00. . . . . . . .
ENGINE CONTROL RELAY (ABS/ASC),
K94 3450.1-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ENGINE CONTROL SYSTEM
(DME M5.2, 4–CYLINDER M44) 1210.20. . . . . . . . . . . . . . . . . . . . . .
ENGINE CONTROL SYSTEM MS41.1
(6–CYLINDER M52/S52) 1210.17. . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE COOLANT TEMPERATURE SENSOR, B6232 1210.17-02
ENGINE COOLANT TEMPERATURE SENSOR, B6232 1210.20-05
ENGINE COOLANT TEMPERATURE SENSOR, B6232 6211.0-02
ENGINE COOLANT TEMPERATURE SENSOR, B6236 1210.17-02
ENGINE HOOD SWITCH, S21w 6575.2-00. . . . . . . . . . . . . . . . . . . . .
EVAPORATIVE EMISSION VALVE, Y6120 1210.17-05. . . . . . . . . . .
EVAPORATIVE EMISSION VALVE, Y6120 1210.20-01. . . . . . . . . . .
EVAPORATOR CONTROLLER, S221 6450.6-01. . . . . . . . . . . . . . . .
EVAPORATOR CONTROLLER, S221 6450.6-06. . . . . . . . . . . . . . . .
EVAPORATOR TEMPERATURE SENSOR, B14 6450.6-01. . . . . . .
EVAPORATOR TEMPERATURE SENSOR, B14 6450.6-06. . . . . . .
FOG LIGHT RELAY, FRONT, K47 6312.0-00. . . . . . . . . . . . . . . . . . . .
FOG LIGHT SWITCH, S10 6312.0-00. . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT, LEFT, E26 6312.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT, RIGHT, E27 6312.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .
FRESH AIR RECIRCULATION MOTOR, M111 6450.6-01. . . . . . . . .
FRESH AIR RECIRCULATION MOTOR, M111 6450.6-06. . . . . . . . .
FUEL CHANGEOVER VALVE, Y6263 1210.20-09. . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 1, Y6101 1210.17-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 1, Y6101 1210.20-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 2, Y6102 1210.17-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 2, Y6102 1210.20-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 3, Y6103 1210.17-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 3, Y6103 1210.20-01. . . . . . . . . . . .

* K33a *
AIR CONDITIONING
RELAY, MOTRONIC






K48
LOW BEAM LIGHT
RELAYX45
11 12 13456 78 9
38
37
35
34
33
32
31 42
41
40
39 43 44
FRONT POWER DISTRIBUTION BOX
0670.0 POWER DISTRIBUTION CHART !""





#""$



K2
HORN RELAYK47
FRONT FOG LIGHT
RELAYK16
HAZARD FLASHER
RELAYK4
BLOWER RELAY
K10
ABS RELAYK75
ABS PUMP MOTOR
RELAYK22
HIGH SPEED
RELAYK19
COMPRESSOR
CONTROL RELAYK21
NORMAL SPEED
RELAY X56X44X64X58
X63X54X1161
X53X51X52
46
45
3612 3 10
14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
FUSES FUSES
X0
K9
UNLOADER RELAY,
TERMINAL 15K6304
SECONDARY AIR
PUMP RELAYX6304
4–CYLINDER
X50
K94 *
ENGINE CONTROL
RELAY (ABS/ASC)X18766K95 *
VALVE RELAY
(ABS/ASC)X18767
M ROADSTER






IN E–BOX
POWER DISTRIBUTION CHART !""





#""$


K6326
UNLOADER RELAY,
TERMINAL 15
K6300
ENGINE CONTROL
MODULE RELAY K6304
SECONDARY AIR PUMP
RELAYX6326
X6300X6304
K6326
UNLOADER RELAY,
TERMINAL 15
K6300
ENGINE CONTROL
MODULE RELAYX6326
X6300
6–CYLINDER4–CYLINDER






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
1210.20
1240.0
2460.2
3234.0
30A 15A 30A 15A 30A 20A 5A 30A 7.5A 7.5A 5A 15A 5A 5A 5A 10A 5A 7.5A20A15A 30A 5A 5A
ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
START
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
5A 30A 15A 10A30A
5116.0POWER MIRRORS
5133.0
5200.0ZKE POWER WINDOWS (FH)
POWER SEATS
5203.0
6133.0
6160.1
6169.0HEATED SEATS
HORN
WIPER/WASHER MODULE (WWM)
WINDSHIELD WASHER JET HEATERS 5126.0ZKE CENTRAL LOCKING (ZV) 3450.1SLIP CONTROL (ABS/ASC) 1230.0CHARGING SYSTEM
6135.0DRIVE–AWAY PROTECTION (EWS II)


 









1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52) 



6100.0CENTRAL BODY ELECTRONICS (ZKE IV)

6167.1HEADLIGHT WASHER (SRA)
5430.2ELECTRO–HYDRAULIC CONVERTIBLE TOP
1290.0E–BOX FAN
3450.0SLIP CONTROL (ABS)
 






FUSE CHART




FUSES 30 TO 49
 !""
#""$


FUSE NUMBER
1210.20
1240.0
2460.2
3234.0ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
START
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
6160.1
6169.0HEATED SEATS
HORN
WIPER/WASHER MODULE (WWM)
WINDSHIELD WASHER JET HEATERS 5126.0ZKE CENTRAL LOCKING (ZV) 3450.1SLIP CONTROL (ABS/ASC) 1230.0CHARGING SYSTEM
6135.0DRIVE–AWAY PROTECTION (EWS II)
1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)
6100.0CENTRAL BODY ELECTRONICS (ZKE IV)
6167.1HEADLIGHT WASHER (SRA)
5430.2ELECTRO–HYDRAULIC CONVERTIBLE TOP









 


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


50A

1290.0E–BOX FAN
3450.0SLIP CONTROL (ABS)








X0
0670.2 POWER DISTRIBUTION !""




#""$
G1
BATTERY0670.2-02
P90
FRONT POWER
DISTRIBUTION BOX



30B+ X6512
X6509M6510
STARTERG6509
GENERATOR
X2
10 RT
1240.0 1230.010 RT
25 RT
G6430
B+ JUMP START
JUNCTION POINT
X6433X6430
X6437X6431
26 X8500A8500
TRANSMISSION
CONTROL MODULE
(EGS)
8 X6300
K6300
ENGINE CONTROL
MODULE RELAY86 30
2460.2 1210.20
6
14 X6002
D100
DATA LINK
CONNECTOR 2.5 RT
1 RT 4 RT 1 RT26
X6000A6000
ENGINE CONTROL
MODULE (DME)
1210.20
4 RT6 X6326
K6326
UNLOADER RELAY,
TERMINAL 15
1210.20
6 RT
50 RT 6 RT6 RT2.5 RT
X6410
4–CYLINDER
2 X6304K6304
SECONDARY AIR
PUMP RELAY
1210.20
4 RT F97
80A
2 X6300
1 RT/WS
87
X6821
4 RT/WS
14 X20
.5 RT/WS
5 X10016
P90
FRONT POWER
DISTRIBUTION BOXF135A
6 X10016.5 RT/WS/GE
FUSE DETAILS
0670.3
ENGINE CONTROL
SYSTEM
(DME M5.2, 4–CYL-
INDER M44)
1210.20

X6821
POWER DISTRIBUTION
8










#""$


 !""
X0
G1
BATTERY0670.2-02
P90
FRONT POWER
DISTRIBUTION BOX
30B+ X6512
X6509M6510
STARTERG6509
GENERATOR
X2
16 RT
1240.0 1230.010 RT
25 RT
G6430
B+ JUMP START
JUNCTION POINT
X6433X6430
X6432X6431
2.5 RT
1 RT .5 RT F97
80A2 X6304
K6304
SECONDARY AIR
PUMP RELAY
1210.17
6 RT
50 RT 6 RT6 RT
X6411
X6437
26 X8500A8500
TRANSMISSION
CONTROL MODULE
(EGS)
2460.2
26 X6000A6000
ENGINE CONTROL
MODULE (DME)
1210.17
6 X6326K6326
UNLOADER RELAY,
TERMINAL 15
1210.17
6
K6300
ENGINE CONTROL
MODULE RELAY
1210.17
X6300
X6412
14
X6002D100
DATA LINK
CONNECTOR
X6415
4 RT
X6414
4 RT
4 RT 4 RT
10 RT
4 RT2.5 RT
6–CYLINDER
2 X6300
1 RT/WSX6822
4 RT/WS
14 X20
.5 RT/WS
5 X10016
F135A
6 X10016.5 RT/WS/GE
FUSE DETAILS
0670.3
2.5 RT/WSENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER M52/S52)
1210.17X6413
2.5 RT
P90
FRONT POWER
DISTRIBUTION BOX Z3 ROADSTER
86 30
87