fuel consumption BMW M3 1998 E36 Electrical Troubleshooting Manual




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Pin Assignments
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E = Input, A = Output, M = Ground
X6000
Pin Type Description/Function Connection
1
ACyl. 2 ignition coil controlCyl. 2 ignition coil
2ACyl. 4 ignition coil controlCyl. 4 ignition coil
3ACyl. 6 ignition coil controlCyl. 6 ignition coil
4MGroundGround point
5ACyl. 2 fuel injection valve controlCyl. 2 fuel injection valve
6ACyl. 1 fuel injection valve controlCyl. 1 fuel injection valve
7MGroundHot wire air mass meter
8EHot wire air mass meterHot wire air mass meter
9ETI-measurement signal (fuel consumption)Instrument cluster
10EEngine coolant temperatureEngine coolant temperature sensor
11EFuel tank pressureFuel tank pressure sensor
12EThrottle position signalThrottle position sensor
13Not used
14EIntake air temperatureIntake air temperature sensor
15ESpeed signal right rearABS/ASC control module
16EActivate A/CPressure switch
17Not used
18EDrive-away protection signal (code)Electronic immobilizer control module
(EWS II)
19EA/C-ON-signalAir conditioning operating unit
20A“Check engine” indicator controlInstrument cluster
21ACamshaft controlVariable camshaft control valve
22ACyl. 3 fuel injection valve controlCyl. 3 fuel injection valve
23ACyl. 6 fuel injection valve controlCyl. 6 fuel injection valve
24ACyl. 4 fuel injection valve controlCyl. 4 fuel injection valve
25MOxygen sensor heating groundOxygen sensor (in front of catalytic
converter)
26EBattery voltageB+ jump start junction point
27AActivate valveIdle speed control valve
28MGroundGround point
29ACyl. 1 ignition coil controlCyl. 1 ignition coil



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Pin Assignments
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
30
ACyl. 3 ignition coil controlCyl. 3 ignition coil
31ACyl. 5 ignition coil controlCyl. 5 ignition coil
32MGroundGround point
33ACyl. 5 fuel injection valve controlCyl. 5 fuel injection valve
34MGroundGround point
35AActivate relaySecondary air pump relay
36ACrankshaft RPM speed signal TDInstrument cluster
37Not used
38MGroundShield knock sensor
39MGroundTemperature sensors
40MGroundCrankshaft position/RPM sensor
Fuel tank pressure sensor
41MGroundShield camshaft position sensor
42MGroundThrottle position sensor
43ECamshaft positionCamshaft position sensor
44AVoltage supplyThrottle position sensor
Fuel tank pressure sensor
45AThrottle position signalABS/ASC control module
46ETI-measurement signal (fuel consumption)Instrument cluster
47Not used
48AVoltage supplyCrankshaft position/RPM sensor
49ETerminal 15Ignition switch
50ARunning lossesSolenoid valve
51AActivate valveCarbon canister valve
52ASignal exhaust flapExhaust gas flap valve
53AActivate valveIdle speed controle valve
54EBattery voltage, terminal 87Engine control module relay
55MOxygen sensor heating groundOxygen sensor (in front of catalytic
converter)
56MGroundGround point
57ECyl. 1-3 knock sensorKnock sensor
58ECyl. 1-3 knock sensorKnock sensor
59ECyl. 4-6 knock sensorKnock sensor

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

.5 VI/GR
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A2w
INSTRUMENT
CLUSTER
1) FUEL
CONSUMPTION
X16
21
7
9 24
82
3
.35 WS/SW .5 WS/SW
.5 WS/SWX228INSTRUMENT
CLUSTER
6211.0
18
.5 GN
TI
5
A52
SLIP CONTROL
MODULE
(ABS/ASC)

31A6000
ENGINE CONTROL
MODULE (DME)
1) DRIVE–AW AY
PROTECTION X6000
19
8 X10054
.5 VI/GR
6 X20
10 X1527
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
.5 WS/RT/GE 4 X1659
.5 WS/SW




1A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)

.35 GN
81
X69
7
X1171
25X6000
45
5
26 .5 WS/GR/GE
80
6
4
.5 WS/GN .5 WS/GR
.5 WS/RT/GE .5 WS/GR/GE .5 WS/GN .5 WS/GR.35 VI/GR
15
9
15 .5 BR/RT
.5 WS/GR/GE
X20
15
1
3131
,. #.
56
GROUND
DISTRIBUTION
0670.4
X102732
521
.5 GR/VIX2152
X14
.5 GR/VI
P97
AUXILIARY FUSE
BOX
F50
5A
1X10273
2X14
3
.5 GR/VI
1 X13172
1 RT/WS/GE
2X13172Y198
EXHAUST GAS
FLAP VALVE
1210.17-10 1210.17-04
1 RT/WS/GE
1 RT/WS/GE
1 RT/WS/GE
.5 RT/WS/GE
31



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Pin Assignments
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11 7
AIdle speed control valve controlIdle speed control valve
11 8MOxygen sensor heating groundOxygen sensor (in front of catalytic
converter)
11 9AActivate valveCyl. 3 fuel injection valve
120AActivate valveCyl. 2 fuel injection valve
121Not used
122MGround, remaining output stages (except
for ignition and fuel injection valves)Ground point
123Not used
124AA/C compressor cut-outCompressor control relay
125Not used
126Not used
127Not used
128ECyl. 3-4 knock sensorKnock sensor
129Not used
130ETI-measurement signal (fuel consumption)Instrument cluster
131Not used
132EThrottle positionThrottle position sensor
133ESignal inputHot film air mass meter
134MSensor groundOxygen sensors
135Not used
136Not used
137ACyl. 1 ignition coil controlCyl. 1 ignition coil
138ACyl. 2 ignition coil controlCyl. 2 ignition coil
139Not used
140Not used
141AComponent supply (+)Throttle position sensor
142EBattery voltage from engine control module
relayEngine control module relay, terminal 87
143MGround, ignitionGround point
144EIgnition switch, terminal 15Ignition switch, terminal 15
145AActivate auxiliary fanNormal speed relay
146AActivate valveIntake air resonance changeover valve



 

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Pin Assignments
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E = Input, A = Output, M = Ground
X16
Pin Type Description/Function Connection
1
EHigh beam indicator controlCombination switch
2ETerminal 58g, instrument illumination powerDimmer
3ERight turn signal indicator controlHazard flasher relay
4ELeft turn signal indicator controlHazard flasher relay
5EWarning lamp for EGS fault (information
signal transmission oil temperature)Transmission control module (EGS)
6Not used
7Not used
8Not used
9Not used
10EConvertible: Rollover signalRollover sensor
11ARxD diagnostic data linkData link connector
12E/ATxD diagnostic data linkData link connector
13EOil temperatureEngine oil temperature sensor
14EAirbag warning lamp (SRS) controlSupplemental restraint system control
module
15Not used
16E“Check engine” indicator controlEngine control module (DME)
17EPark brake warning lamp controlPark brake switch
18EBrake fluid warning lamp controlBrake fluid level switch
19EBrake pad wear warning lamp controlBrake pad sensors
20ECrankshaft RPM speed signal TDEngine control module (DME)
21EFuel consumption signal + KVAEngine control module (DME)
22EVoltage supply, terminal 30Front power distribution box, fuse 31
23EVoltage supply, terminal 15 for indicator and
warning lampsFront power distribution box, fuse 27
24MGround supply, terminal 31 for instrument
cluster electronicsGround point
25Not used
26Not used



 
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Pin Assignments
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E = Input, A = Output, M = Ground
X17
Pin Type Description/Function Connection
1
ETrailer turn signal indicator controlHazard flasher relay
2AVehicle speed signalVarious control modules
3MGround supply, terminal 31 for indicator and
warning lampsGround point
4EVoltage supply, terminal 15 for instrument
cluster electronicsFront power distribution box, fuse 23
5EVoltage supply, terminal 15 for battery
charge indicatorIgnition switch, terminal 15
6EGround supply, terminal 61 for battery
charge indicatorGenerator
7Not used
8EFog light indicator controlFront power distribution box, fuse 15
9ASound tone signalChime module
10AInformation signal, fuel tank contentOn-board computer
11ESlip control system warning lamp (ABS)
controlSlip control module (ABS) (323i, 328i, M3)
12EASC signalASC control module
13ATI-measurement signal (fuel consumption)Engine control module (DME)
14ESeat belt warning lamp controlDriver’s seat belt switch
15ES/A reset/service interval indicator resetData link connector
16EVoltage supply, terminal RFront power distribution box, fuse 46
17ACoolant temperature sensorCoolant temperature sensor
18ECoolant temperature sensorCoolant temperature sensor
19EOil pressure warning lamp controlOil pressure switch
20Not used
21EGroundGround point (with ASC)
21ESlip control system warning lamp (ABS)
controlSlip control module (ABS/ASC) (323i, 328i,
M3)
ABS control module (ABS)
22EIgnition key warning/audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch

42 X16

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INSTRUMENT CLUSTER
INDICATORS
.5 SW/WS
F235AP90
FRONT POWER
DISTRIBUTION
BOX F4615A
F315A

A2w
INSTRUMENT
CLUSTER
1) FUEL
CONSUMPTION
2) VEHICLE
SPEED OUTPUT
11) FUEL GAUGE
14) SPEEDOMETER
15
416X1622
3 X2714
X10719
B10
VEHICLE SPEED
SENSOR
6211.0-03
6211.0-05X383
2
X3831
.5 WS/SW
X172
2
1
14 1
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
SPEED SIGNAL
21
X6792
X1241
2
13
B25y
FUEL TANK
SENSOR II
B6
FUEL LEVEL
SENSOR
X10018232X100176
X17
.35 WS/GR
X679
1 .5 BR/GE
.5 GE
.5 BR/SWX1241
1.5 BR/SW .5 BR/RT
.5 BR/SW
X805
31
FUSE DETAILS
0670.3
3131
31
31
X173
11
N4
ON–BOARD
COMPUTER
10
15
X62381 13
B6238
OIL TEMPERATURE
SENSOR .35 BR/RT
X603110
.5 BR/RT
X1713
X600046
X60313
.5 GN/RT
.5 GN/RT
318is
A6000
ENGINE CONTROL
MODULE (DME)

318is83 .35 SW/GN
15 X1659
.5 WS/SW

6581.2 ON–BOARD COMPUTER (BC V)
POWER
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B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSORS7
COMBINATION
SWITCH
10) PROGRAM
MODUSA2w
INSTRUMENT
CLUSTER
1) FUEL
CONSUMPTION
A6000
ENGINE CONTROL
MODULE (DME)
30R30
TI
15
31
3131
.35 BR/GR.35 BR/RT.35 WS/GE.35 WS/VI.35 WS/SW
.5 WS/SW
P90
FRONT POWER
DISTRIBUTION BOX
6 X10017
30 X10018
FUSE DETAILS
0670.3
914
816
.5 SW/GN
.35 GR/RT
START
1240.0
LIGHT SWITCH
DETAILS
6300.0 .35 SW/GN
X1070
21 X16
N4
ON–BOARD
COMPUTER
RXD TXD
12 X1070
475
13 6 X1071
DATA LINK
0670.5
.35 BR/RT
9 X6000
24 X20
1 X770
2 X770
GROUND
DISTRIBUTION
0670.410 X32
1 X32
GROUND
DISTRIBUTION
0670.4
.5 WS/SW
10X276
30h
58g
316
14 X10017
26 X17
23
.35 BL/BR/GE
FUSE DETAILS
0670.3
X16
F235AF275A F457.5A
31
1
X10010X173X10012
CHECK
GROUND
DISTRIBUTION
0670.4
31
FUSE DETAILS
0670.3
.35 BR
15
X228
30
1
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
2 X10018
FUSE DETAILS
0670.3
8
F315A
X1071
14
PARK VENTILATION
WITH HR
6412.10
PARK VENTILATION
WITH IHKA E36
6412.20
TI .5 SW/WS/GE