1998 BMW 323i heating

BMW NA


\b\b
\f


\f \f 
ELECTRICAL TROUBLESHOOTING
MANUAL
SERIES 3 – E36 (318is, 323i, 328i, M3,
INCL. CONVERTIBLE)
SCHEMATICS MODEL YEAR 1998

0100.0
INDEX
0110.0INTRODUCTION
0140.0
SYMBOLS
0670.0
POWER DISTRIBUTION CHART
0670.1
FUSE CHART

0670.2
POWER DISTRIBUTION

0670.3
FUSE DETAILS

0670.4
GROUND DISTRIBUTION
0670.5DATA LINK


1210.17


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




1210.20



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

1230.0
CHARGING SYSTEM

1240.0
START

2460.2
ELECTRONIC TRANSMISSION
CONTROL (EGS A4S 270R)



2460.4


ELECTRONIC TRANSMISSION
CONTROL (EGS A5S 310Z)




3234.0



SUPPLEMENTAL RESTRAINT
SYSTEM (AIR BAG)

3450.0
SLIP CONTROL (ABS)
3450.1SLIP CONTROL (ABS/ASC)

5116.0
POWER MIRRORS
5120.0ZKE DOOR LOCK HEATING (TSH)
5126.0
ZKE CENTRAL LOCKING (ZV)
5133.1
POWER WINDOWS (FH)
5200.0
POWER SEATS

5203.0
HEATED SEATS




5410.1



POWER TILT/SLIDE SUNROOF
(SHD)
5430.1ELECTRICAL 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)
6167.1HEADLIGHT WASHER (SRA)


6169.0


WINDSHIELD WASHER JET
HEATERS

6211.0
INSTRUMENT CLUSTER

6213.1
ANALOG CLOCK

6213.2
MULTI–FUNCTION CLOCK

6214.0
ON–BOARD DISPLAY

SCHEMATICS
6300.0 LIGHT SWITCH DETAILS 6312.0 HEADLIGHTS/FOG LIGHTS
6313.0 TURN/HAZARD LIGHTS
6314.0 PARK/TAIL LIGHTS
6320.0 LICENSE PLATE/LUGGAGE
COMPARTMENT LIGHTS
6322.0 BACK UP LIGHTS 6325.0 BRAKE LIGHTS 6330.3 INTERIOR LIGHTS



6332.1


GLOVE BOX LIGHT/CASSETTE
BOX/ASHTRAY LIGHT/CHARGING
SOCKET/CIGAR LIGHTER
6350.0 CRASH CONTROL MODULE 6410.5 HEATING CONTROL (HR) 6412.10 PARK VENTILATION WITH HR


6412.20

PARK VENTILATION
WITH IHKA E36

6424.0
REAR WINDOW DEFOGGER/
ANTENNA


6450.7

INTEGRATED CLIMATE
REGULATION (IHKA E36)
6510.0 RADIO/STEREO
6510.1RADIO/HIFI
6561.0
CELLULAR TELEPHONE
(PROVISIONS)
6571.0 CRUISE CONTROL (TEMPOMAT)
6575.2 ANTI–THEFT SYSTEM (ALPINE)
6581.2 ON–BOARD COMPUTER (BC V)
7000.0 COMPONENT LOCATION CHART
7100.0COMPONENT LOCATION VIEWS 8000.0 SPLICE LOCATION VIEWS 8500.0 CONNECTOR VIEWS




INDEX







\b
TAIL LIGHT, RIGHT, H30 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, RIGHT, H39 6314.0-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TELEPHONE CONNECTOR 6561.0 . . . . . . . . . . . . . . . . . . . . . . . . . . .
TEMPERATURE SWITCH, S36 6450.7-05 . . . . . . . . . . . . . . . . . . . . . .
THERMOSTAT, A32y 6410.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THROTTLE POSITION SENSOR, R6252 1210. . . . . . . . . . . . . . . . . .
TI LT/SLIDE SUNROOF CONTROL ASSEMB LY , A56 5410.1-00
. . .
TI LT/SLIDE SUNROOF SWITCH (SHD), S38 5410.1-00
. . . . . . . . . .
TRANSMISSION CONTROL MODULE (EGS), A7000 2460.4-00 . .
TRANSMISSION CONTROL MODULE (EGS), A8500 2460.2-00 . .
TRANSMISSION POSITION INDICATOR LIGHT, E82 6300.0-01 . .
TRANSMISSION VALVE UNIT, Y8505 2460.2-01 . . . . . . . . . . . . . . . .
TRANSMISSION VALVE UNIT, Y8505y 2460.2-07 . . . . . . . . . . . . . . .
TRANSMISSION VALVE UNIT, Y8505y 2460.4-01 . . . . . . . . . . . . . . .
TRANSMITTER MODULE (EWS II), A835 6135.0 . . . . . . . . . . . . . . . .
TURN LIGHT, LEFT FRONT, H7 6313.0-02 . . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, LEFT REAR, H6 6313.0-02 . . . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, RIGHT FRONT, H4 6313.0-02 . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, RIGHT REAR, H5 6313.0-02 . . . . . . . . . . . . . . . . . . . . .
TURN/HAZARD LIGHTS 6313.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UNCOUPLING DIODE, V6 6412.20-00 . . . . . . . . . . . . . . . . . . . . . . . . .
UNLOADER RELAY, TERMINAL 15, K6326 1210. . . . . . . . . . . . . . . .
UNLOADER RELAY, TERMINAL 15, K9 5203.0-00 . . . . . . . . . . . . . .
VARIABLE CAMSHAFT CONTROL VALVE 1, Y6275 1210.17-05 . .
VEHICLE SPEED SENSOR, B10 6211.0-04 . . . . . . . . . . . . . . . . . . . .
WASHER FLUID LEVEL SWITCH, S64 6581.2-02 . . . . . . . . . . . . . . .
WASHER JET HEATER, LEFT, E51 6169.0-00 . . . . . . . . . . . . . . . . . .
WASHER JET HEATER, RIGHT, E52 6169.0-00 . . . . . . . . . . . . . . . . . WASHER PUMP, M4 6160.1-01
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WATER VALVE ASSEMBLY, Y4 6410.5-00 . . . . . . . . . . . . . . . . . . . . . .
WATER VALVE ASSEMBLY, Y4 6450.7-01 . . . . . . . . . . . . . . . . . . . . . .
WINDOW BLOWER MICRO SWITCH, REAR, S196 5430.1-01 . . . .
WINDOW BLOWER RELAY, REAR,K99 6424.0-01 . . . . . . . . . . . . . .
WINDOW BLOWER, REAR, M105 6424.0-01 . . . . . . . . . . . . . . . . . . .
WINDOW DEFOGGER/ANTENNA, REAR, 6424.0 . . . . . . . . . . . . . . .
WINDOW MOTOR, DRIVER ’S, M21 5133.1-04 . . . . . . . . . . . . . . . . . .
WINDOW MOTOR, LEFT REAR, M20 5133.1-05 . . . . . . . . . . . . . . . .
WINDOW MOTOR, LEFT REAR, M98 5133.1-05 . . . . . . . . . . . . . . . .
WINDOW MOTOR, PASSENGER ’S, M23 5133.1-04 . . . . . . . . . . . . .
WINDOW MOTOR, RIGHT REAR, M22 5133.1-05 . . . . . . . . . . . . . . .
WINDOW MOTOR, RIGHT REAR, M99 5133.1-05 . . . . . . . . . . . . . . .
WINDSCREEN COWL PANEL LOCK MICRO SWITCH, S231 5430.1-00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . .
WINDSCREEN COWL PANEL LOCK MOTOR, M132 5430.1-00 . . .
WINDSHIELD WASHER JET HEATERS 6169.0 . . . . . . . . . . . . . . . . .
WIPER MOTOR, M3 6160.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WIPER/WASHER MODULE (LOW II), A64 6160.1-00 . . . . . . . . . . . .
WIPER/WASHER MODULE (WWM) 6160.1 . . . . . . . . . . . . . . . . . . . . .
WIPER/WASHER MODULE, A51 6160.1-01 . . . . . . . . . . . . . . . . . . . .
WIPER/WASHER SWITCH, S5 6160.1 . . . . . . . . . . . . . . . . . . . . . . . . .
ZKE CENTRAL LOCKING (ZV) 5126.0 . . . . . . . . . . . . . . . . . . . . . . . . .
ZKE DOOR LOCK HEATING (TSH) 5120.0 . . . . . . . . . . . . . . . . . . . . .




 $%%




%%&



CIRCUIT BREAKERVARIABLE RESIS-
TANCE SENSOR
VARIABLE CON-
TACT IS MOVED BY
AN EXTERNAL
FORCE
VARIABLE RESIS-
TOR RESISTANCE
IS CHANGED BY
TEMPERATURE OR
PRESSURE
DIODE CURRENT
CAN FLOW ONLY IN
DIRECTION OF
ARROW
ZENER DIODE TO
REGULATE VOLT-
AGE
LIGHT EMITTING
DIODE PERMANENT MAG-
NET MOTOR ONE
SPEED
PERMANENT MAG-
NET MOTOR TWO
SPEEDS SOLENOID
SOLENOID CON-
TROLLED VALVE
OR CLUTCH
SOLENOIDTRANSISTORIZED
SWITCH HEATING ELEMENT
OXYGEN SENSORCONTROL/POWER
ELECTRONICS
RADIO LOUDSPEAKER OR
HORN
LIGHT BATTERY
FUSIBLE LINK
FUSE DETAILS
INDUCTIVE
SENSOR
KNOCK SENSOR
31


VEHICLE SPEED
SENSOR

THERMO SWITCH
HALL EFFECT
SENSOR
ANTENNA
0140.0 SYMBOLS




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
1230.0
1240.0
3234.0
3450.0
3450.1
5116.0
 
30A 5A 30A 15A 30A 20A 5A 30A 7.5A 7.5A 5A 15A 5A 5A 5A 10A 5A 7.5A


20A15A 30A 5A 5A
ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
CHARGING SYSTEM
START
SLIP CONTROL (ABS/ASC)
POWER MIRRORS SLIP CONTROL (ABS) 2460.4
 ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z) 2460.2
ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
5A 30A 15A 10A 10A
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)
30A
 

 
 

1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)
5126.0
ZKE CENTRAL LOCKING (ZV)
5430.1
6100.0ELECTRICAL CONVERTIBLE TOP
CENTRAL BODY ELECTRONICS (ZKE IV) 5133.1
5200.0
5203.0
5410.1

POWER WINDOWS (FH)
POWER SEATS
HEATED SEATS
POWER TILT/SLIDE SUNROOF (SHD)



 
6133.0HORN
6135.0DRIVE–AWAY PROTECTION (EWS II) 

5120.0ZKE DOOR LOCK HEATING (TSH)

5A 5A




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
6167.1
6211.0
6213.2
6214.0
6300.0
6312.0
6313.0

30A 5A 30A 15A 30A 20A 5A 30A 7.5A 7.5A 5A 15A 5A 5A 5A 10A 7.5A

 

20A 15A 30A 5A
HEADLIGHT WASHER (SRA)
ON–BOARD DISPLAY
LIGHT SWITCH DETAILS
HEADLIGHTS/FOG LIGHTS
TURN/HAZARD LIGHTS INSTRUMENT CLUSTER
MULTI–FUNCTION CLOCK

 
   
 
5A 30A 10A15A 10A30A

6314.0PARK/TAIL/UNDERHOOD LIGHTS
6350.0CRASH CONTROL MODULE 6325.0
6330.3
6332.1BRAKE LIGHTS
INTERIOR LIGHTS
GLOVE BOX LIGHT/CASSETTE BOX/ASHTRAY LIGHT/CHARGING
SOCKET/CIGAR LIGHTER 6322.0BACK UP LIGHTS


6320.0LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS
6410.5HEATING CONTROL (HR)
6160.1WIPER/WASHER MODULE (WWM)
6169.0WINDSHIELD WASHER JET HEATERS
6412.10PARK VENTILATION WITH HR
6412.20PARK VENTILATION WITH IHKA E36

6213.1ANALOG CLOCK

1210.20
1230.0
1240.0
3234.0
3450.0
3450.1
5116.0ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
CHARGING SYSTEM
START
SLIP CONTROL (ABS/ASC)
POWER MIRRORS SLIP CONTROL (ABS) 2460.4ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z) 2460.2ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)




FUSE CHART




FUSES 30 TO 50
 $%%
%%&


FUSE NUMBER
39
7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 30A 15A 7.5A 15A

30A10A

40        38 37 36 35
5A

7.5A


15A

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

5430.1
6100.0
6133.0ELECTRICAL CONVERTIBLE TOP
CENTRAL BODY ELECTRONICS (ZKE IV)
HORN 5133.1
5200.0
5203.0
5410.1POWER WINDOWS (FH)
POWER SEATS
HEATED SEATS
POWER TILT/SLIDE SUNROOF (SHD) 5126.0ZKE CENTRAL LOCKING (ZV)


 



40A

 

20A


5A

 

 
6135.0DRIVE–AWAY PROTECTION (EWS II)
5120.0ZKE DOOR LOCK HEATING (TSH)

6167.1
6211.0
6213.2
6214.0
6300.0
6312.0
6313.0HEADLIGHT WASHER (SRA)
ON–BOARD DISPLAY
LIGHT SWITCH DETAILS
HEADLIGHTS/FOG LIGHTS
TURN/HAZARD LIGHTS INSTRUMENT CLUSTER
MULTI–FUNCTION CLOCK





FUSE CHART




 $%%
%%&


FUSE NUMBER
 
 


40           




FUSES 30 TO 50

7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 30A 15A 7.5A 15A30A 10A 5A7.5A


15A
6320.0LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS
6350.0
6410.5CRASH CONTROL MODULE
HEATING CONTROL (HR) 6325.0
6330.3
6332.1BRAKE LIGHTS
INTERIOR LIGHTS
GLOVE BOX LIGHT/CASSETTE BOX/ASHTRAY LIGHT/CHARGING
SOCKET/CIGAR LIGHTER 6322.0BACK UP LIGHTS
   
6314.0PARK/TAIL/UNDERHOOD LIGHTS 

40A


20A


5A


6160.1WIPER/WASHER MODULE (WWM)
6169.0WINDSHIELD WASHER JET HEATERS
6412.10PARK VENTILATION WITH HR
6412.20PARK VENTILATION WITH IHKA E36 6213.1ANALOG CLOCK