1999 BMW 318ti heating


 



 
Pin Assignments

E = Input, A = Output, M = Ground
X6000
Pin Type Description/Function Connection
1
AOxygen sensor heating (–)Oxygen sensor (behind catalytic converter)
2AActivate valveIdle speed control valve
3AActivate valveCyl. 1 fuel injection valve
4AActivate valveCyl. 4 fuel injection valve
5Not used
6MGround, fuel injection valve output stagesGround point
7Not used
8A“Check engine” indicator controlInstrument cluster
9Not used
10EDrive away protection signalElectronic immobilizer control module (EWS
III)
11EActivate A/CPressure switch
12Not used
13Not used
14Not used
15Not used
16EIntake air temperatureIntake air temperature sensor
17ESignal inputHot film air mass meter
18Not used
19EOxygen sensor signalOxygen sensor (in front of catalytic
converter)
20ECrankshaft position/RPMCrankshaft position/RPM sensor
21ECamshaft positionHall effect camshaft sensor
22ACyl. 3 ignition coil controlCyl. 3 ignition coil
23ACyl. 4 ignition coil controlCyl. 4 ignition coil
24Not used
25Not used
26EBattery voltageB+ junction point
27AEngine control module relay controlEngine control module relay, terminal 85
28MGround for electronics and shielding of
sensorsGround point


 




Pin Assignments

E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
29
AIdle speed control valve controlIdle speed control valve
30AOxygen sensor heating (–)Oxygen sensor (in front of catalytic
converter)
31AActivate valveCyl. 3 fuel injection valve
32AActivate valveCyl. 2 fuel injection valve
33Not used
34MGround, remaining output stages (except
for ignition and fuel injection valves)Ground point
35Not used
36AA/C compressor cut-outCompressor control relay
37Not used
38Not used
39Not used
40ECyl. 3-4 knock sensorKnock sensor
41Not used
42ETI-measurement signal (fuel consumption)Instrument cluster
43Not used
44EThrottle positionThrottle position sensor
45MGroundHot film air mass meter
46MSensor groundOxygen sensors
47Not used
48Not used
49ACyl. 1 ignition coil controlCyl. 1 ignition coil
50ACyl. 2 ignition coil controlCyl. 2 ignition coil
51Not used
52Not used
53AComponent supply (+)Throttle position sensor/Fuel tank pressure
sensor
54EBattery voltage from engine control module
relayEngine control module relay, terminal 87
55MGround, ignitionGround point
56EIgnition switch, terminal 15Ignition switch, terminal 15
57AActivate auxiliary fanNormal speed relay





 








ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
A6000
ENGINE CONTROL
MODULE (DME)
X6000
11
4
.5 SW/GR
A6000
ENGINE CONTROL
MODULE (DME)
5 X20
.5 SW/BR
X10261
B8y
PRESSURE SWITCH
1) PRESSURE
BELOW 21 BAR
2) PRESSURE
ABOVE 30 BAR
3) PRESSURE
ABOVE 2.6 BAR
4) PRESSURE
BELOW 1.5 BAR
X102611
X3510 .5 BL/SWB9508
PRESSURE
SWITCH
P90
FRONT POWER
DISTRIBUTION BOX
X10016
12
4 X51
X515
X20
4
36FUSE DETAILS
0670.3
K19
COMPRESSOR
CONTROL RELAY
.5 SW/BL
.5 SW/BL
.5 SW/BLX6000
85
6
.5 VI/GR
69
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X8500
46
.5 SW/BL
6 X35
.5 VI/GR
X8056
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
X11250
3
.35 VI/GR
.5 SW/BRX1022
5 X11250
.35 BL/SW
31
F165A15
12
34
31
86
S530
IHKS CONTROL
SWITCH
X13274
9
.35 VI/GR
X13279
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE.35 VI/GR









6300.0-00
2 X16
31X1019
A2w
INSTRUMENT
CLUSTER .5 GR/RT
.5 GR/RT1 GR/RT
11 X10245A35y
BOARD
COMPUTER
(BC – LOW) .35 GR/RT

LIGHT SWITCH DETAILS
 

WITH INTEGRATED
HEATING– AND
CLIMATE CONTROL
(IHKS) WITH HEATING
CONTROL (HS)
5 X1518
S218
REAR DEFOGGER
SWITCH
6
X15181
1 X1522E103
CLIMATE CONTROL
SWITCH
ILLUMINATION
X15222
.35 GR/RT
X10012
GROUND
DISTRIBUTION
0670.4
1 X1522E103
CLIMATE CONTROL
SWITCH
ILLUMINATION
X15222
.5 GR/RT
X13274S530
IHKS CONTROL
SWITCH .35 GR/RT
6
GROUND
DISTRIBUTION
0670.4 X1521
1 2
X5163
X51645
GROUND
DISTRIBUTION
0670.4 TURN/HAZARD
LIGHTS
6313.0
.5 BL/GN
6300.0-02
X1319
.5 GR/RT .5 GR/RT
2 X532
1 X532
E29
FRONT CIGAR
LIGHTER LIGHT
X10012
GROUND
DISTRIBUTION
0670.4
X10263A110
DIGITAL CLOCK .35 GR/RT
2
X18126N9
RADIO .5 GR/RT
13
2 X1193E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT
X11931
.5 GR/RTX5214
S6
ASC SWITCH
GROUND
DISTRIBUTION
0670.4 X35
5
.5 GR/RT
.35 GR/RT
GROUND
DISTRIBUTION
0670.4S18
HAZARD SWITCH
1) OFF
2) ON.5 GR/RT2 X521
X3225
1 GR/RT
.35 GR/RT
GROUND
DISTRIBUTION
0670.4









6410.7 HEATING CONTROL (HS)
P90
FRONT POWER
DISTRIBUTION BOX
15S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
7 X33
1 X209
2.5 GN
2.5 GN
X203
.35 GN
8POWER
DISTRIBUTION
0670.2
6
30
87 85 86
4X58
2
GROUND
DISTRIBUTION
0670.42.5 GN/BR
X35
2
X58
K4
BLOWER RELAY
X173
2.5 GN/BR
F2030A
X10016
20
FUSE DETAILS
0670.3
 

10
2 3





2X2928
6424.0 REAR WINDOW DEFOGGER/ANTENNA








N8
ANTENNA
AMPLIFIER AM/FM P90
FRONT POWER
DISTRIBUTION BOX F6
30A

K13
REAR DEFOGGER
RELAY
86
8530
87
2.5 SW
FUSE DETAILS
0670.3F23
5A
58g
2.5 SW 6 X10017
12 X10015
46 X292
9 X13
1 X1843
FUSE DETAILS
0670.3
 

.35 BR/GE
1
10 X13274
1 X13274
GROUND
DISTRIBUTION
0670.4
7 X35
S530
IHKS CONTROL
SWITCH
1) REAR DEFOGGER .5 BL/SW
WITHOUT AERIAL WITH AERIAL
E9
REAR DEFOGGER I 2.5 SW1 X379
GROUND
DISTRIBUTION
0670.4
X13006
1 X380
2.5 SW
WITH HEATING
CONTROL (HS)WITH INTEGRATED HEATING– AND
CLIMATE CONTROL (IHKS)
GROUND
DISTRIBUTION
0670.4
X10012
X1518
S218
REAR DEFOGGER
SWITCH
0) OFF
1) ON
4 X1518
.35 BR/WS7 X35
8
.5 GN/GE
5
.35 GR/RT15
1 GN/BL.5 GR/RT
E103
CLIMATE CONTROL
SWITCH
ILLUMINATION
.35 BR
2 X1522
6
.35 GR/RT
1 X1522
.5 GN/BL
X10012
LIGHT SWITCH
DETAILS
6300.0
.35 BR1
10 10




K4
BLOWER RELAY
F2030A F397.5A
5B9
INTERMEDIATE
PRESSURE
SWITCHS36y
DOUBLE
TEMPERATURE
SWITCHK21
NORMAL SPEED
RELAY
B8y
PRESSURE
SWITCH A6000
ENGINE CONTROL
MODULE (DME)
B9508
PRESSURE
SWITCH
X11250
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
.0
F235AF165A
S2
IGNITION SWITCH
M30
BLOWER MOTOR R11
BLOWER
RESISTORS K19
COMPRESSOR
CONTROL RELAY
Y2
AIR CONDITIONING
COMPRESSORA8500
TRANSMISSION
CONTROL MODULE
(EGS)
A6000
ENGINE CONTROL
MODULE (DME)
Y4z
WATER VALVE
S531
TEMPERATURE
WHEEL SWITCHM111
FRESH AIR
RECIRCULATION
MOTOR4X13274
S530
IHKS CONTROL
SWITCHF16
5AF4840A
K22
HIGH SPEED
RELAY
E103
CLIMATE CONTROL
SWITCH
ILLUMINATION 58g
LIGHT SWITCH
DETAILS
6300.0P97
AUXILIARY FUSE
BOX
6450.6-00
6450.6-00
6450.6-006450.6-00
6450.6-01
6450.6-016450.6-016450.6-026450.6-02
6450.6-026450.6-02
6450.6-01
6450.6-006450.6-03
6450.6-03
6450.6-03 6450.6-03
6450.6-03P90
FRONT POWER
DISTRIBUTION BOX
M9
AUXILIARY FAN
MOTOR 6450.6-03
F165A
P90
FRONT POWER
DISTRIBUTION BOXP90
FRONT POWER
DISTRIBUTION BOX
B14
EVAPORATOR
TEMPERATURE
SENSOR
6
6450.6-012S75
BLOWER SWITCH 6450.6-00
6
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-01
41
107
K13
REAR DEFOGGER
RELAY 6450.6-01
3
X11250
9 X132741 8
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-03
6450.6-01
6450.6-03
6450.6 INTEGRATED HEATING– AND CLIMATE CONTROL

F2030A


POWER, AIR FLOW CONTROL





INTEGRATED HEATING– AND CLIMATE CONTROL
X1001620
8 2.5 GNP90
FRONT POWER
DISTRIBUTION BOX
POWER
DISTRIBUTION
0670.2
X203
X582 4
2 1 7X905
X8171 6 X58
1 X816
4 3 2 1 X904
X352 7 X33
4X905
 

X173X10012
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
1 X209
2.5 GN
.35 GN
86
8530
87FUSE DETAILS
0670.3
K4
BLOWER RELAY
2.5 GN/BR
2.5 GN/BR
2.5 GN/GR
2.5 GN/
GR 2.5 BL 2.5 GN 1.5 SW2.5 GN/GR
M30
BLOWER MOTOR
GROUND
DISTRIBUTION
0670.4 GROUND
DISTRIBUTION
0670.4R11
BLOWER
RESISTORS
1) OPENS IF
RESISTORS
OVERHEAT



S75
BLOWER SWITCH
0) OFF
1) SLOW
2) MEDIUM
3) FAST
4) MAXIMUM
1
6
2
X10012
3
X906
1 LIGHT SWITCH
DETAILS
6300.0
X1522X1522
.5 GN/RT
GROUND
DISTRIBUTION
0670.4E103
CLIMATE CONTROL
SWITCH ILLUMINATION .5 GR/RT
1 GN/GR 58g
2
10
3
2 1 0
34