1999 BMW Z3M COUPE charging

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











\b\b\b

CAMSHAFT POSITION SENSOR (CYLINDER IDENTIFICATION), B6204 1210.17-06 . . . . . . . . . . . . . . . . . . .
CAMSHAFT POSITION SENSOR 1 (INLET), B6214 1210.25-05 . . . . . . . . .
CAMSHAFT POSITION SENSOR 2 (OUTLET), B6224 1210.25-05 . . . . . .
CD CHANGER, N22 6510.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . .
CELLULAR TELEPHONE (PROVISIONS) 6561.0-00 . . . . . . . . . . . . . . . . . . .
CENTRAL BODY ELECTRONICS (ZKE IV) 6100.0 . . . . . . . . . . . . . . . . . . . .
CENTRAL LOCKING LUGGAGE COMPARTMENT LID MOTOR RELAY (ZV), K70 5126.0-05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHARCOAL FI LTER SHUT –OFF VA LVE, B6247 1210.17-09
. . . . . . . . . . . .
CHARGING SYSTEM 1230.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
CHIME MODULE, H10 6211.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CIGAR LIGHTER CONNECTION, E28a 3614.0-00 . . . . . . . . . . . . . . . . . . . . .
CIGAR LIGHTER LIGHT, FRONT, E29 6300.0-01 . . . . . . . . . . . . . . . . . . . . . .
CIGAR LIGHTER LIGHT, FRONT, E29 6332.0-00 . . . . . . . . . . . . . . . . . . . . . .
CIGAR LIGHTER, FRONT, E28 6332.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLUTCH SWITCH, S32 6571.0-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLUTCH SWITCH, S32 6571.0-03 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMBINATION SWITCH, S7 6313.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMPONENT LOCATION CHART 7000.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMPONENT LOCATION VIEWS 7100.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMPRESSOR CONTROL RELAY, K19 6450.6-02 . . . . . . . . . . . . . . . . . . . .
COMPRESSOR CONTROL RELAY, K19 6450.6-06 . . . . . . . . . . . . . . . . . . . .
COMPRESSOR MAIN SWITCH, S232 3614.0-00 . . . . . . . . . . . . . . . . . . . . . .
COMPRESSOR RELAY, K6394 3614.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONNECTOR VIEWS 8500.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
CONTACT RING, C101 3234.0-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONVERTIBLE TOP ACTUATING SWITCH, S143 5430.2-01 . . . . . . . . . . .
CONVERTIBLE TOP END –POSITION MICRO SWITCH, S164 5430.2-01
CONVERTIBLE TOP MOTOR, M101 5430.2-00 . . . . . . . . . . . . . . . . . . . . . . . CONVERTIBLE TOP RELAY I (CLOSE), K18363 5430.2-00
. . . . . . . . . . . . .
CONVERTIBLE TOP RELAY II (OPEN), K18364 5430.2-00 . . . . . . . . . . . . .
CRANKSHAFT POSITION/RPM SENSOR, B6203 1210.17-06 . . . . . . . . . .
CRANKSHAFT POSITION/RPM SENSOR, B6203 1210.25-05 . . . . . . . . . .
CRASH CONTROL MODULE 6350.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRASH CONTROL MODULE, N17 6350.0-01 . . . . . . . . . . . . . . . . . . . . . . . . .
CRUISE CONTROL (TEMPOMAT) 6571.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRUISE CONTROL ACTUATOR (TEMPOMAT), M25 6571.0-01 . . . . . . . . .
CRUISE CONTROL INTERFACE, A9008 6571.0-02 . . . . . . . . . . . . . . . . . . .
CRUISE CONTROL MODULE (TEMPOMAT), A8 6571.0 . . . . . . . . . . . . . . .
CRUISE CONTROL SWITCH, S28 6571.0-00 . . . . . . . . . . . . . . . . . . . . . . . . .
CRUISE CONTROL SWITCH, S28 6571.0-02 . . . . . . . . . . . . . . . . . . . . . . . . .
DATA LINK 0670.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . .
DATA LINK CONNECTOR, D100 0670.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DAY LIGHT RELAY MODULE, K46z 6312.0-01 . . . . . . . . . . . . . . . . . . . . . . . .
DEFOGGER I, REAR, E9 6424.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIGITAL CLOCK 6213.3-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . .
DIGITAL CLOCK, A110 6213.3-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOME LIGHT/MAP READING ASSEMBLY, FRONT, E34 6330.3-00 . . . . . .
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, DRIVER ’S, M12 5126.0-04 . . . . . . . . . . . . . . . . . . . . .
DOOR LOCK MOTOR, PASSENGER ’S, M13 5126.0-02 . . . . . . . . . . . . . . . .
DOOR LOCK MOTOR, PASSENGER ’S, M13 5126.0-04 . . . . . . . . . . . . . . . .
DOOR LOCK SWITCH, DRIVER ’S, S47 5126.0-00 . . . . . . . . . . . . . . . . . . . .
DOOR LOCK SWITCH, PASSENGER ’S, S49 5126.0-00 . . . . . . . . . . . . . . . .
DRIVE –AWAY PROTECTION (EWS III) 6135.1 . . . . . . . . . . . . . . . . . . . . . . . .
DUAL TEMPERATURE SENSOR (COOLANT TEMPERATURE), B6256 1210.17-02 . . . . . . . . . . . . . . . . . . . .

*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



 
Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
5
EP_NWGE1Signal camshaft positionCamshaft position sensor 1 (inlet)
6Not used
7AU_DKFW2Voltage supplyThrottle position sensor 2
8EP_KWGSignal crankshaft positionCrankshaft position sensor
9EA_FWG2Throttle position signalThrottle position sensor 2
10EA_DKG2Throttle position signalThrottle position sensor 2
11Not used
12ES_30HStart signalStarter
13ES_61-1Charging signalGenerator
14MM_DKFW1GroundThrottle position sensor 1
15MM_NWGA1GroundCamshaft position sensor 2 (outlet)
16EA_FWG1Throttle position signalThrottle position sensor 1
17MM_HFMGroundHot film air massmeter
18MM_NWGE1GroundCrankshaft position sensor 1 (inlet)
19EA_DKG1Throttle position signalThrottle position sensor 1
20MM_DKFW2GroundThrottle position sensor 2
21MM_KWGGroundCrankshaft position sensor
22EA_TANSTemperature signalIntake air temperature sensor
23MM_TANSGroundIntake air temperature sensor
24EA_TMOTTemperature signalEngine coolant temperature sensor
25MM_TMOTGroundEngine coolant temperature sensor
26EA_OLDPressure signalOil pressure switch
27EA_TOELTemperature signalOil temperature sensor
28MM_TOELGroundOil temperature sensor
29EA_KS1ACyl. 1-3 knock sensorKnock sensor
30EA_KS1BCyl. 1-3 knock sensorKnock sensor
31EA_KS2ACyl. 4-6 knock sensorKnock sensor
32EA_KS2BCyl. 4-6 knock sensorKnock sensor
33AP_EVZ1Activate valveCyl. 1 fuel injection valve
34AP_EVZ2Activate valveCyl. 2 fuel injection valve
35AP_EVZ3Activate valveCyl. 3 fuel injection valve
36AP_EVZ4Activate valveCyl. 4 fuel injection valve


 
Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
37
AP_EVZ5Activate valveCyl. 5 fuel injection valve
38AP_EVZ6Activate valveCyl. 6 fuel injection valve
39EF_OLNLevel signalOil level sensor
40AT_NWE1Activate valveVariable camshaft control valve 1
(inlet)
41AT_NWA1Activate valveVariable camshaft control valve 2
(outlet)
42AT_TEVActivate valveEvaporative emission valve
43AT_MDK1Activate motorCruise control actuator
44AT_MDK2Activate motorCruise control actuator
45AS_KFKCooling signalThermostat, characteristic map
cooling
46AT_LLFSSCLOSE signalIdle speed control valve
47AT_LLFSOOPEN signalIdle speed control valve
48MW_KSGroundShield knock sensor
49AS_DISAActivate valveValve, individual control intake
system
50Not used
51Not used
52AS_SLPVActivate valveSecondary air pump valve
X60004
Pin Type Signal Description/Function Connection
1
A61Charging signalInstrument cluster
2A30HStart signalBody electronics control module
(ZKE IV)
3AS_SLPActivate relaySecondary air pump relay
4Not used
5Not used
6Not used
7Not used
8Not used



ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)




 



6
11191 .5 BL
A8500
TRANSMISSION
CONTROL MODULE
(EGS)A6000
ENGINE CONTROL
MODULE (DME) X6000422 21 X1170
A52
SLIP CONTROL
MODULE
(ABS/ASC)
.5 BR/GN
6
X8500
88X60002
4
86 .35 GE3
85
.35 SW .5 WS/VI

X1894
.35 WS/GN
G6509
GENERATOR
13
X6524
2 .5 BL
26
X6231
1X60003
.5 BR/GN
B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSURE11
.5 GE 10.5 BR
20
366
17 .5 SW
.5 GE
377
A2w
INSTRUMENT
CLUSTER

14
FUSE DETAILS
0670.3
F275A
X10017
P90
FRONT POWER
DISTRIBUTION BOX
23
X1893
32 X60004
.5 WS/VI
X600217
D100
DATA LINK
CONNECTOR X16
X17X16.5 BR
.5 GE .5 SW
X1047X213
.5 BL
TD CAN + CAN –
CAN + CAN –TXD2 TXD2
D+
CAN + CAN –TXD2
15
INSTRUMENT
CLUSTER
6211.0CHARGING
SYSTEM
1230.0
.5 BR


12
CAN + CAN –
CAN –CAN +
Z3 VERSIONS

1230.0 CHARGING SYSTEM










A2w
INSTRUMENT
CLUSTER X175
X176S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X2091
7 X33
POWER
DISTRIBUTION
0670.2X203
2.5 GN
2.5 GN
.5 GN
.5 BL
X600212
D100
DATA LINK
CONNECTOR .5 BL
X2025
.5 BL
X400
3
.75 BL
X213
X8004
.5 BL


X1100
1.5 GN
1.5 BL
TELEPHONE
CONNECTOR
2
10
3
G6509
GENERATORB+
D+
POWER
DISTRIBUTION
0670.2
X6509
16 RT

 
X7509


M VERSIONS
A52
SLIP CONTROL
MODULE
(ABS/ASC) X117524
.75 BL