1998 BMW M3 Electrical Troubleshooting Manual




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4 RT
15
4 GN13
.5 GN/WS5
2.5 SW/GE 2.5 VI42
DETAILS ABOUT
COMPONENT OR
OPERATION
”R” IS ENERGIZED
IN ACCY, RUN, OR
START 76 82 X33CONTACT RELAYRELAY WITH
RESISTOR
ACROSS WINDINGTERMINAL NUMBER THREE POLE,
FOUR POSITION
SWITCHCOMPONENT NUMBER
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
TERMINAL NUMBER DESCRIPTION
50 VOLTAGE: IGNITION
SWITCH IN START
VOLTAGE: SUPPLIED
AT ALL TIMES
VOLTAGE: IGNITION
SWITCH IN RUN OR
START 30
15
15I
50 R30
INDICATES THAT
FUSE 9 IS SUPPLIED
WITH POWER AT ALL
TIMES
CONTACT RELAY
WITH TWO OUTPUTSCHANGEOVER
RELAY WITH TWO
OUTPUTS
TERMINAL NUMBER DESCRIPTION
30 RELAY INPUT
RELAY OUTPUT
(WINDING)
RELAY INPUT
(WINDING)
RELAY OUTPUT
(ENERGIZED)
RELAY OUTPUT
(AT REST) 85
86
87
87a
30 86
87 87 8530 86
87 85 87a
TERMINAL NUMBER DESCRIPTION
VOLTAGE: IGNITION
SWITCH IN RUN
VOLTAGE: IGNITION
SWITCH IN ACCES-
SORY, RUN OR START 15I
R
GROUND 31
POWER STATUS DESCRIPTION
VOLTAGE: SUP-
PLIED AT ALL TIMES
VOLTAGE: IGNITION
SWITCH IN RUN OR
START
VOLTAGE: IGNITION
SWITCH IN ACCES-
SORY, RUN OR START
30 86
87 8530
86
87 85NAME OF COMPONENT
F915A
2
10
32
10
32
10
3
SYMBOLS




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1.5 BR DATA LINK
0670.5 .5 WS/GE
0670.0-030670.0-02
1.5 BRN9
RADIO
THE COMPLETE
WIRE PROGRES-
SION AND FUR-
THER CIRCUITS
CONNECTED TO
GROUND X497 ARE
SHOWN IN CELL
”0670.4 GROUND
DISTRIBUTION” AT
GROUND X497
THE COMPLETE
WIRE PROGRES-
SION AND FUR-
THER CIRCUITS
CONNECTED TO
FUSE 18 ARE
SHOWN IN CELL
”0670.3 FUSE
DETAILS” AT FUSE
18
CURRENT PATH IS
CONTINUED AS
LABELED P90
FRONT POWER
DISTRIBUTION BOX F18
15A
GROUND
DISTRIBUTION
0670.4
N1
ANTI–THEFT
CONTROL MODULE
(DWA) FUSE DETAILS
0670.3A1
GENERAL MODULE
X252
17X332
2
CIRCUIT REF-
ERENCE–A WIRE
WHICH CONNECTS
TO ANOTHER CIR-
CUIT
A2
INSTRUMENT
CLUSTER
X16
11RXD
ARROW SHOWS
DIRECTION OF
CURRENT FLOW
AND IS REPEATED
WHERE CURRENT
PATH CONTINUES
X497
X1812615
X491

23
K48
LOW BEAM LIGHT
RELAY 11 12 13456789
38
37
35
34
33
32
31 42
41
40
39 43 44

0670.0 POWER DISTRIBUTION CHART
FRONT POWER DISTRIBUTION BOX
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K2
HORN RELAYK47
FRONT FOG LIGHT
RELAYK16
HAZARD FLASHER
RELAYK4
BLOWER RELAY
K13
REAR DEFOGGER
RELAYK10
ABS RELAYK22
HIGH SPEED
RELAYK19
COMPRESSOR
CONTROL RELAYK21
NORMAL SPEED
RELAY K6300
ENGINE CONTROL
MODULE RELAYK6301w
FUEL PUMP RELAY
X56X44X45X64X58
X292X54
X53X51X52
X6300X630146
45
36110
14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
FUSES FUSES
X0
K6304
SECONDARY AIR
PUMP RELAYX6304
X11393K125
ABS PUMP MOTOR
RELAY, TIMED

POWER DISTRIBUTION CHART
RELAY PANEL UNDER LH SIDE OF DASHBOARD
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N17
CRASH CONTROL
MODULEF48K46
HIGH BEAM LIGHT
RELAYX1588X65X10262
F50X10273
K450
PARK VENTILATION
RELAYX607
K46z
DAY LIGHT RELAY
MODULE

POWER DISTRIBUTION CHART
SPLICE PANEL UNDER LH SIDE OF DASHBOARD
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K9
UNLOADER RELAY,
TERMINAL 15
F47X63
X10250

POWER DISTRIBUTION CHART
SPLICE PANEL UNDER RH SIDE OF DASHBOARD
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NOT USEDNOT USEDK99
REAR WINDOW
BLOWER RELAYX10092




0670.1 FUSE CHART




FUSES 1 TO 29
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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
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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