1998 BMW M3 Electrical Troubleshooting Manual


DRIVER’S SEAT
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5200.0 POWER SEATS
P90
FRONT POWER
DISTRIBUTION BOX F40
30A
X10018
20
5X603
FUSE DETAILS
0670.3
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
3) SEAT HEIGHT
SWITCH
0) OFF
1) UP
2) DOWN
5) SEATBACK
SWITCH
0) OFF
1) FRONT
2) BACK
6) SEAT CUSHION
TILT SWITCH
0) OFF
1) UP
2) DOWN
7) SEAT
POSITION
SWITCH
0) OFF
1) FRONT
2) BACK
2121212121212
12 1
53 7
M53
DRIVER’S SEAT-
BACK RECLINER
MOTOR
6
1
1.5 GN/VI
2 X729
1.5 SW/VI
X6031210783412
M52
DRIVER’S SEAT
HEIGHT MOTOR 1 1.5 BL/GR
2 X728
1.5 VI/GR
M51
DRIVER’S SEAT
MOVEMENT
MOTOR 1 1 GN/GE
2 X726
1 SW/GE
M50
DRIVER’S SEAT
CUSHION TILT
MOTOR 2 1 VI/RT
1 X7271 BL/RT
X13006
GROUND
DISTRIBUTION
0670.4
6
GN SW BL VI GN SW VI BL00 00 00 0 0


PASSENGER’S SEAT
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POWER SEATS
P90
FRONT POWER
DISTRIBUTION BOX F5
30A
X10015
10
5 X604
FUSE DETAILS
0670.3
S56
PASSENGER’S SEAT, SEAT
CONTROL SWITCH
3) SEAT HEIGHT SWITCH
0) OFF
1) UP
2) DOWN
5) SEATBACK SWITCH
0) OFF
1) FRONT
2) BACK
6) SEAT CUSHION TILT
SWITCH
0) OFF
1) UP
2) DOWN
7) SEAT POSITION
SWITCH
0) OFF
1) FRONT
2) BACK M61
PASSENGER’S
SEAT CUSHION
TILT MOTOR
6
1
1 BL/RT
2 X735
1 VI/RT
X60412438712 10
M60
PASSENGER’S
SEAT MOVEMENT
MOTOR 2 1 SW/GE
1 X734
1 GN/GE
M59
PASSENGER’S
SEAT HEIGHT
MOTOR 1 1.5 BL/GR
2 X737
1.5 VI/GR
M58
PASSENGER’S
SEATBACK
RECLINER MOTOR 1 1.5 GN/VI
2 X7361.5 SW/VI
X13004
GROUND
DISTRIBUTION
0670.4
X495
FOUR–DOOR TWO–DOOR
VI BL GN SW VI BL SW GN 21
2
1212
1212
1212
1
53 7
6 00 00 00 0 0


DRIVER’S SIDE – LUMBAR SUPPORT
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POWER SEATS AND LUMBAR SUPPORT
1.5 WS/RTX10018
20
3 X652
FUSE DETAILS
0670.3
1 20 2 01
4X6522S52
DRIVER’S SEAT
LUMBAR SWITCH
0) OFF
1) FRONT
2) BACK
1.5 WS/BL
24 X18135
M55z
DRIVER’S SEAT
LUMBAR SUPPORT
MOTOR/VALVE
1) VALVE
2) PUMP
3) MECHANICAL
CONNECTION
1X181353
GROUND
DISTRIBUTION
0670.4
1.5 BR 1.5 BR2
3 1
P90
FRONT POWER
DISTRIBUTION BOX F40
30A
,/.

5203.0 HEATED SEATS
X494
GROUND
DISTRIBUTION
0670.4 GROUND
DISTRIBUTION
0670.4 X13173GROUND
DISTRIBUTION
0670.4
1.5 RT/GE
4
X63
.5 RT/GE

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X100176
8730P90
FRONT POWER
DISTRIBUTION BOX F23
5A
LIGHT SWITCH
DETAILS
6300.0
X100158F4
15A
86 X63
FUSE DETAILS
0670.3
K9
UNLOADER RELAY,
TERMINAL 15
2 4
6 5 X651
2 3 1 X651
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 RT/GE
X13129
86
85
2 2 X732
X733
1 X7331 X732.5 BR .5 BR
.5 WS/RT .5 WS/GN4 6
5X658
10 Test
9
8
7
6154
14
13
12
11
3
2 2 3 1 X658
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
22 X741
X740
1 X7401 X741
E59
PASSENGER’S
SEATBACK HEATER E58
PASSENGER’S
SEAT HEATER
.5 BR .5 BR .5 WS/GE .5 WS/BL.5 RT/GE .5 RT/GE.5 GR/RT .5 GR/RT .5 GR/RT
X13004
01
0 2
X13006
01
0 2
10 Test
9
8
7
6154
14
13
12
11
3
2
58g
FOUR–DOOR
X173X494
121.5 RT/GE
X14
GROUND
DISTRIBUTION
0670.4
X495TWO–DOOR
GROUND
DISTRIBUTION
0670.4E56
DRIVER’S SEAT-
BACK HEATER E57
DRIVER’S SEAT
HEATER

X2721

5410.1 POWER TILT/SLIDE SUNROOF (SHD) $%%


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P90
FRONT POWER
DISTRIBUTION BOX


2
F130A
GROUND
DISTRIBUTION
0670.4 1 X272
A56
TILT/SLIDE SUN-
ROOF CONTROL
ASSEMBLY
2 X10015
3
.35 SW/RTX13176
FUSE DETAILS
0670.3
X495
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
1918X13254
.35 SW/GN 6 X13176
54
S38
TILT/SLIDE SUNROOF
SWITCH (SHD)
0) OFF
1) OPEN SLIDING
SUNROOF/LOWER
TILT SUNROOF
2) CLOSE SLIDING
SUNROOF/RAISE
TILT SUNROOF
3) CLOSE
X643421
X6433
LIGHT SWITCH
DETAILS
6300.0
31 FA/M FZ/A
FSHD KS 31 30
FSHD KS .5 BR .5 SW/GE .5 WS/GE
.5 GR/RT
0
12
3

9 BA
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RXD
TXD 16
4
C
P90
FRONT POWER
DISTRIBUTION BOX F27
5A
23
3
F4920A
10F75A
22
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
10
M132
WINDSCREEN
COWL PANEL LOCK
MOTOR
255
5430.1-00
6F43
5A
A2w
INSTRUMENT
CLUSTER
5430.1-00
N24
ROLLOVER
SENSOR
Y86
RH ROLLOVER
PROTECTION
ACTUATOR Y85
LH ROLLOVER
PROTECTION
ACTUATOR
S213
LUGGAGE
COMPARTMENT
LID MICRO SWITCH
M43
CONVERTIBLE TOP
STORAGE LID
LOCK MOTOR ELECTRICAL
CONVERTIBLE TOPMECHANICAL
CONVERTIBLE TOP
20 C
5430.1-03
5430.1-03 5430.1-03
168
M100
CONVERTIBLE TOP
STORAGE LID
MOTOR
M101
CONVERTIBLE TOP
MOTORA5B44582
S196
REAR WINDOW
BLOWER MICRO
SWITCH
REAR WINDOW
DEFOGGER/AN-
TENNA
6424.0 C
3B
S164
CONVERTIBLE TOP
END–POSITION
MICRO SWITCH
117 C
LIGHT SWITCH
DETAILS
6300.0
S143
CONVERTIBLE TOP
ACTUATING
SWITCHS165
CONVERTIBLE TOP
POSITION MICRO
SWITCH
5430.1-01 5430.1-03
A
6
5430.1-015430.1-015430.1-015430.1-02
5430.1-02
A96
CONVERTIBLE TOP
CONTROL MODULE
A
= X13156B= X13157C= X131595430.1-02
5430.1-02
1311
AUTOMATIC
CONVERTIBLE TOP
C
D
7
AUTOMATIC
CONVERTIBLE TOP
SEMI–AUTOMATIC
CONVERTIBLE TOP
AUTOMATIC
CONVERTIBLE TOP
S231
WINDSCREEN
COWL PANEL
LOCK MICRO
SWITCH
5430.1-00
26
CA14AD10 9
AUTOMATIC
CONVERTIBLE TOP 5430.1-00
F427.5AF2410A
D= X11390
A2w
INSTRUMENT
CLUSTER 5430.1-03
DATA LINK
0670.5
P96
AUXILIARY FUSE
BOX IN LUGGAGE
COMPARTMENT
5430.1 ELECTRICAL CONVERTIBLE TOP






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Pin Assignments
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E = Input, A = Output, M = GroundA = X13156
10 Pins, black
B = X131576 Pins, black
C = X1315926 Pins, black
D = X1139012 Pins, black
X13156
Pin Type Description/Function Connection
1
Not used
2Not used
3E/AActivate engineWindscreen cowl panel locking
(automatic convertible top)
4E/AControl signalConvertible top motor
5E/AControl signalConvertible top storage lid motor
6MGroundGround
7E/AActivate engineWindscreen cowl panel locking
(automatic convertible top)
8E/AControl signalConvertible top motor
9E/AControl signalConvertible top storage lid motor
10EPlus supply 12VFuse 49
X13157
Pin Type Description/Function Connection
1
APlus supplyPosition sensor
(convertible top storage lid motor)
2EPosition signalConvertible top position micro switch
3EPosition signalConvertible top end position micro switch
(semi-automatic convertible top)
4EComponent groundPosition sensor
(convertible top storage lid motor)
5EPosition signalConvertible top position micro switch
6EControl signalPosition sensor
(convertible top storage lid motor)





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Pin Assignments
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E = Input, A = Output, M = Ground
X13159
Pin Type Description/Function Connection
1
ETop open signalConvertible top actuating switch
2Not used
3Not used
4E/ATxD data signalData link connector
5MGroundHard top connector 1
6EPower supplyFront power distribution box
7Not used
8ERear window blower signalRear window blower micro switch
9Not used
10AData signalBody electronics control module
11Not used
12Not used
13ASpeed signalInstrument cluster
14ETop closed signalConvertible top actuating switch
15Not used
16ARxD data signalData link connector
17ALEDConvertible top actuating switch
18Not used
19Not used
20ELuggage compartment lid signalLuggage compartment lid micro switch
21Not used
22AData signalBody electronics control module
23Not used
24Not used
25MGroundGround
26EPower supplyFront power distribution box