check engine BMW 318ti 1999 E36 Electrical Troubleshooting Manual


 



 
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 = 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
10Not used
11Not used
12E/ATxD diagnostic data linkData link connector
13Not used
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)
21Not used
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

1 X6031
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX F27
5A
X1623
X1001714







INDICATORS
INSTRUMENT CLUSTER
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
7) TACHOMETER
X62322B6232
ENGINE COOLANT
TEMPERATURE
SENSOR15
R
18X1620
.5 SW
GROUND
DISTRIBUTION
0670.4.5 BR/VI
3
SPEEDOMETER
X10010
31
1112
17
.5 BR/GE 24 X16
31
TEMPERATURE
GAUGE
X8015
A6000
ENGINE CONTROL
MODULE (DME) X6000
7
TD 12B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSURE
19
1 X6232
23
.5 SW20 X20
.35 BR/GN
X6231
1
X1715
.35 WS/GN
19
X60027
 

.5 WS/GN
D100
DATA LINK
CONNECTOR.5 SW
.5 SW .5 SW
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
5 X1805
.35 SW
X1047
16
.5 GR
.5 GR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) 8 X22
.35 SW
CHECK
ENGINE
WITHOUT EGS
.5 BR/GN .5 BR/VI .5 BR/GE
80 8 X20
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 40 X8500
.5 SW
1 X6002
D100
DATA LINK
CONNECTORTD