heater BMW M3 1998 E36 Electrical Troubleshooting Manual

GROUND DISTRIBUTION
GROUND X495
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.5 BR E48
DOOR LOCK
HEATER S17
MIRROR CONTROL
SWITCH
X7521S48
DRIVER’S DOOR
HANDLE SWITCH
M21
DRIVER’S WINDOW
MOTOR
X6251
X749
3 Y5
DRIVER’S SIDE
MIRROR
X7511


X623
4
X2571 .75 BR .75 BR .5 BR
X849
.5 BR
.75 BR
.75 BR
M23
PASSENGER’S
WINDOW MOTOR
X744
3
Y6
PASSENGER’S
SIDE MIRROR
X624
4
.5 BR
.5 BR
.75 BR
X942
4 BR
S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH
X604
6
X279
1
2.5 BR
E58
PASSENGER’S
SEAT HEATER
X740
1
S13
PASSENGER’S
DOOR JAMB
SWITCH
X351
1
E59
PASSENGER’S
SEATBACK HEATER
X741
1
2.5 BREXCEPT
CONVERTIBLE
.5 BR .5 BR.5 BR
X13005




GROUND DISTRIBUTION
GROUNDS X11166 AND X13004
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 X3511S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH
.5 BR
X6046
S13
PASSENGER’S
DOOR JAMB
SWITCH2.5 BR
X13004
X13005
2.5 BR
1C900
SUPPRESSION
FILTER
X380
X2791
2.5 BR
2.5 BR
X6474S42y
RH REAR DOOR
POWER WINDOW
SWITCH (DOOR)
.5 BR
.5 BRX274
11E59
PASSENGER’S
SEATBACK HEATER
X7411
.5 BR
X7401E40
RIGHT REAR
INTERIOR LIGHT
.5 BR
X3552 E58
PASSENGER’S
SEAT HEATER
.75 BR
3 X47702
2.5 BR
6A96
CONVERTIBLE TOP
CONTROL MODULE
X13156
.75 BR .75 BR
FOUR–DOOR
X11166CONVERTIBLE
E40
RIGHT REAR
INTERIOR LIGHT
2) INTERIOR
LIGHT
3) READING
LIGHT 32
E9
REAR DEFOGGER I

H34z
HIGH LEVEL STOP
LIGHT/REAR
SPOILER1
TWO–DOOR5TWO–DOOR1
1.5 BR
E46
LEFT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY





X3552E40
RIGHT REAR
INTERIOR LIGHT
4 BR
X13006
H24
LEFT BRAKE LIGHTH27
LEFT BACK UP
LIGHT
H25
LEFT TAIL LIGHT H6
LEFT REAR TURN
LIGHTH37
LEFT TAIL LIGHT
X3194
H28
RIGHT BACK UP
LIGHT H5
RIGHT REAR TURN
LIGHT
H31
RIGHT BRAKE
LIGHT H30
RIGHT TAIL LIGHTH39
RIGHT TAIL LIGHT
X318
8
X4131H34
HIGH LEVEL STOP
LIGHTE47
RIGHT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY
1.5 BR .75 BR





GROUND X13006
 $%%%%&GROUND DISTRIBUTION
TWO–DOOR
X3801C900
SUPPRESSION
FILTER
E9
REAR DEFOGGER I
2.5 BR
H26
LEFT REAR FOG
LIGHT
CDN
(PARTIAL)
X7331E57
DRIVER’S SEAT
HEATER
.5 BR TWO–DOOR only
X11277
X3562E39
LEFT REAR
INTERIOR LIGHT
.75 BR
X7321E56
DRIVER’S SEAT-
BACK HEATER
.5 BR
X13007
(PARTIAL)
0670.4-18
.5 BR
X18921N22
CD CHANGER
.5 BR 0670.4-19

.75 BR/GEX13252

5120.0 ZKE DOOR LOCK HEATING (TSH) $%%



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21
21
P90
FRONT POWER
DISTRIBUTION BOX
11
X495X132542S47
DRIVER’S DOOR
LOCK SWITCH
0) OFF
3) CENTRAL
ARREST
.5 WS/GN
.5 RT/GN1.5 BL/GR1.5 SW1.5 WS
3 2 1 6 X660
10 X1325213 14
2 X751
2 X747
10 X25714 13
ZKE CENTRAL
LOCKING (ZV)
5126.0
4X6605
X747
1X10015
14X1001810
X257
8
X751
1 X257
19
2 X752
2 X352.5 BR/RT/GE.35 WS/GN
X449
X13006X495
M12
DRIVER’S DOOR
LOCK MOTOR
1) LOCK
2) UNLOCK
.5 WS/SW
.35 WS/SW
S48
DRIVER’S DOOR
HANDLE SWITCH
1) HANDLE DOWN
2) HANDLE
LIFTED 1 X752
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 1 X352
S14
DRIVER’S DOOR
JAMB SWITCH
1) DOOR OPEN
2) DOOR CLOSEDFUSE DETAILS
0670.3
.5 WS/RT
.35 WS/RT
.35 WS/RTFUSE DETAILS
0670.3
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
.75 BR/GE
GROUND
DISTRIBUTION
0670.4
F3525A
.5 BR/RT/GEX475
ZKE CENTRAL
LOCKING (ZV)
5126.0
X13253
3
.5 BR/GR/GE .5 BR/RT/GE
.5 BR/GR/GE
X443ANTI–THEFT
SYSTEM (ALPINE)
6575.2
1 2
31
30
POWER WINDOWS
(FH)
5133.1
E48
DOOR LOCK
HEATER
1 2
F75A
0 3
3131
30
.5 BR/RT/GE

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

BCE15
E
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C362
F1430A
B
A104
BODY
ELECTRONICS
CONTROL
MODULE
(ZKE IV)
M23
PASSENGER’S
WINDOW MOTOR
M99
RIGHT REAR
WINDOW MOTOR
S129y
RH REAR DOOR
(CONSOLE)
POWER WINDOW
SWITCH
START
1240.0
P90
FRONT POWER
DISTRIBUTION BOX F19
30A
A5
RELAY MODULE
15 F
8F54
M98
LEFT REAR
WINDOW MOTOR 3 2
20 C171671
13 11 10 1 912 S13
PASSENGER’S
DOOR JAMB
SWITCH
D
M21
DRIVER’S WINDOW
MOTOR
S14
DRIVER’S DOOR
JAMB SWITCH D
92471482313
S126y
DRIVER’S POWER
WINDOW SWITCH
93
S40y
CENTRAL POWER
WINDOW SWITCH
LIGHT SWITCH
DETAILS
6300.0
89
S41y
LH REAR DOOR
POWER WINDOW
SWITCH (DOOR)
12A
B
F3310A
128
5133.1-025133.1-03
5133.1-01
5133.1-03
P90
FRONT POWER
DISTRIBUTION BOX
18
5133.1-04
6575.2-01 4
C17N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE) 6575.2-00
5133.1-045133.1-00
5133.1-05 5133.1-055133.1-05
X10182
X13252X13253X13254
X13255
A =
B
=
C =
D =
E
=
X13258
F =
D1
M22
RIGHT REAR
WINDOW MOTOR M20
LEFT REAR
WINDOW MOTOR
TWO–DOOR
CONVERTIBLE FOUR–DOOR
7C
F4715A
A7
K108
HORN RELAY
(ALPINE)
LIGHT SWITCH
DETAILS
6300.0S130
CHILD PROTEC-
TION CONTROL
(CONSOLE) 5133.1-02 10
5
FOUR–DOOR A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
A
4E10
D
8 2D
,"
S48
DRIVER’S DOOR
HANDLE SWITCH 6575.2-00
5133.1-02
S128y
LH REAR DOOR
(CONSOLE)
POWER WINDOW
SWITCH S127y
PASSENGER’S
POWER WINDOW
SWITCH 6 7
5133.1-006575.2-01
6575.2-01 6330.3-04
S125
LEFT REAR DOOR
CONTACTN12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)S124
RIGHT REAR DOOR
CONTACT 6575.2-01 6330.3-04
6575.2-01 6330.3-04 3234.0-01
6575.2-02
H1w
ANTI–THEFT HORN
(ALPINE)
5120.0
E48
DOOR LOCK
HEATER
3B
CENTRAL BODY ELECTRONICS (ZKE IV)

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6169.0 WINDSHIELD WASHER JET HEATERS
P90
FRONT POWER
DISTRIBUTION BOX F24
10A
X100178
X1149
X1052X1062
X1051X1061
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
.75 GN/SW
.75 BR.75 BR .75 GN/SW
X11481
X11482
S198
JET HEATER
THERMOSWITCH
.75 GN/SW
X173
E51
LEFT WASHER JET
HEATERE52
RIGHT WASHER
JET HEATER

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.5 GR/RT
X13129


GROUND
DISTRIBUTION
0670.4.5 GR/RT
1 X658
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
X6511
X6514
GROUND
DISTRIBUTION
0670.4
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
X658
4 .5 GR/RT
5 X10267
GROUND
DISTRIBUTION
0670.4S303y
TOP HIFI SWITCH
X10267
2
.35 GR/RT
GROUND
DISTRIBUTION
0670.4S143
CONVERTIBLE TOP
ACTUATING
SWITCH X13045
4
X13045
1 .35 GR/RT
S38
TILT/SLIDE SUN-
ROOF SWITCH
(SHD) X6433 .35 GR/RT .5 GR/RT
(PARTIAL)
X495X13230
S128z
LH REAR POWER
WINDOW SWITCH
X3173
X3174
X494
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4S302
CENTRAL LOCKING
SWITCH X1292
2
X1292
3
X13006X498

 


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Pin Assignments
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E = Input, A = Output, M = Ground
X1527
Pin Type Description/Function Connection
1
EOutside temperatureOutside temperature sensor
2EEvaporator temperatureEvaporator temperature sensor
3EHeater temperature, leftLeft heat exchanger temperature sensor
4EHeater temperature, rightRight heat exchanger temperature sensor
5EVehicle speed signal (Speedometer output
signal)Instrument cluster
6ERPM speed signal TDEngine control module (DME)
7EIllumination inputIllumination
8AOutput signalOn-board computer
9ETerminal 50Starter
10ARPM speed increaseEngine control module (DME)
11AA/C compressor activationPressure switch
12ARear window signalRear window
13AWater valve activation, rightRight water valve
14AFresh air flap motor activationFresh air flap motor
15AFresh air flap motor activationFresh air flap motor
16AFresh air flap motor activationFresh air flap motor
17AFresh air flap motor activationFresh air flap motor
18AWater valve activation, leftLeft water valve
19AA/C fan activationA/C fan final stage
20EIndependent ventilationRelay box
21MGroundControl panel
22MGroundMixing actuator
23MGroundControl panel
24ETerminal 15Fuse
25ETerminal 30Fuse
26E/ADiagnostic data linkData link connector




COMPONENT LOCATION CHART
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COMP.8500.0 7100.0LOCATION DESCRIPTION
E48 DOOR LOCK HEATER . . . . . . . . . . . . . . . . . . LH front door

E51
LEFT WASHER JET HEATER . . . . . . . . . . . .
on underside of engine hood



E52 RIGHT WASHER JET HEATER . . . . . . . . . . . on underside of engine hood
E56 . . DRIVER’S SEATBACK HEATER . . . . . . . . . . in upper LH front seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-3
E57 . . DRIVER’S SEAT HEATER . . . . . . . . . . . . . . . . under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-3
E58 . . PASSENGER’S SEAT HEATER . . . . . . . . . . . underside of RH front seat

E59 . .
PASSENGER’S SEATBACK HEATER . . . . .
in upper RH front seatback





E82 . .

TRANSMISSION POSITION INDICATOR
LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console



E96 GEAR SHIFT LEVER INDICATOR . . . . . . . . center console
E99 . . HARD TOP CONNECTOR 1 . . . . . . . . . . . . . . in convertible top compartment
E100y HARD TOP CONNECTOR 2 . . . . . . . . . . . . . . in convertible top compartment
E101 . LEFT LUGGAGE COMPARTMENT LIGHT . in LH rear side of luggage compartment (Convertible)

E102 .

RIGHT LUGGAGE COMPARTMENT LIGHT

in RH rear side of luggage compartment (Convertible)




F97 . . . FUSIBLE LINK . . . . . . . . . . . . . . . . . . . . . . . . . . in RH side of luggage compartment
G1 . . . BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . in RH rear side of luggage compartment
G1 . . . BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment (318is)

G5 . . .
DRIVER’S AIR BAG GAS GENERATOR . . .
behind steering wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24-2



G6 . . .

PASSENGER’S AIR BAG GAS
GENERATOR . . . . . . . . . . . . . . . . . . . . . . . .
RH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27-2

G12

DRIVER’S SIDE PYROTECHNICAL BELT
TENSIONER . . . . . . . . . . . . . . . . . . . . . . . . .

driver’s seat right