engine BMW 318ti 1998 E36 Electrical Troubleshooting Manual





D100
DATA LINK
CONNECTOR
DATA LINK



!


X6866
.5 WS/VI
88 X8500
.5 WS/VI
A8500
TRANSMISSION
CONTROL MODULE
(EGS) TXD
X600217
17 X20
.5 WS/VI
.35 WS/VI
0670.5-02
 

20
88 X6000
.5 WS/VI
A6000
ENGINE CONTROL
MODULE (DME) TXD
TXD, DATA LINK CONNECTOR, PINS 17 AND 20

DATA LINK



!


X6863
X600087A6000
ENGINE CONTROL
MODULE (DME)
RXD
D100
DATA LINK
CONNECTOR .5 WS/GE.5 WS/GE


87 X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
RXD
X600215
16 X20
.5 WS/GE
.35 WS/GE
0670.5-03
.5 WS/GE
 
RXD, DATA LINK CONNECTOR, PIN 15









 

X1047
DATA LINK
DATA LINK CONNECTOR, PINS 1 AND 4




!


A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
20 X16
20 X20
1 X6002
D100
DATA LINK
CONNECTOR .5 SW
.5 SW.5 SW
X8500
.5 SWA8500
TRANSMISSION
CONTROL MODULE
(EGS)
X8015
A6000
ENGINE CONTROL
MODULE (DME)
X6000
.5 SW
.5 SW
TD
TD
3
TD
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
12 X1659
.35 SW
8 X22
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
.35 SW
32 X10018
FUSE DETAILS
0670.3 F46
15A
P90
FRONT POWER
DISTRIBUTION BOX
.5 SW/VI/GE
4X6002
D100
DATA LINK
CONNECTOR 8040
8 X6031
WITHOUT EGS
TDTD





 





DATA LINK
DATA LINK CONNECTOR, PINS 7, 16, AND 18




!


D100
DATA LINK
CONNECTOR
A2w
INSTRUMENT
CLUSTER
7.75 WS/GN
19 X20
15 X17
60 X6000
D100
DATA LINK
CONNECTOR
18 X6002P90
FRONT POWER
DISTRIBUTION BOX
16 X6002
F2610A
A6000
ENGINE CONTROL
MODULE (DME) FUSE DETAILS
0670.3

.35 WS/GN
.5 WS/GN
12 X10017
X6860
A8500
TRANSMISSION
CONTROL MODULE
(EGS)60 X8500
.75 WS/GN .75 WS/GN

X6492

DATA LINK
DATA LINK CONNECTOR, PIN 19




!



X6454
A6000
ENGINE CONTROL
MODULE (DME)
55
W6165
SHIELD UP TO
10mm BEFORE
IGNITION COIL
CONNECTOR
346
B6209
HALL EFFECT CAM-
SHAFT SENSOR
X6209
3
B6217
HOT FILM AIR
MASS METER
X6217
1
X6463
2.5 BR 2.5 BR 2.5 BR 1.5 BR1.5 BR .5 BR .5 BR
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X8500
28
X6002
4 BR
D100
DATA LINK
CONNECTOR 1.5 BR
19
 

346
6 BR
X600028
1.5 BR 1 BR
X6462
X6460
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
3X6203
1.5 BR
K6326
UNLOADER RELAY,
TERMINAL 15
X6326
4
1.5 BR .5 BR
K6304
SECONDARY AIR
PUMP RELAY
X6304
5
.35 BR

49
50
22
23
65Y199
CARBON
CANISTER VALVE 1210.20-08


!
44 162078308546 X6000
1210.20-00
27K6300
ENGINE CONTROL
MODULE RELAY
S2
IGNITION SWITCH
31Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE
Y6104
CYL. 4 FUEL
INJECTION VALVE 1210.20-01
26
1210.20-02
RXD
TXD 87
88
R6252
THROTTLE
POSITION
SENSOR 1210.20-04B6205
INTAKE AIR
TEMPERATURE
SENSOR 1210.20-04
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.20-03
B62001
OXYGEN SENSOR
(IN FRONT OF
CATALYTIC
CONVERTER) 1210.20-03
Y6120
EVAPORATIVE
EMISSION VALVE 1210.20-01
61
A8500
TRANSMISSION
CONTROL
MODULE (EGS) 1210.20-05A6000
ENGINE CONTROL
MODULE (DME)
T6151
CYL. 1 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL 1210.20-02
X6000

X6000
862853X6000
54
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1210.20-00
11
1210.20-07
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
1210.20-07
B9508
PRESSURE
SWITCH
1210.20-05
S36y
DOUBLE
TEMPERATURE
SWITCH
68
1210.20-05
K21
NORMAL SPEED
RELAY
5758Y6131
INTAKE AIR RES-
ONANCE
CHANGEOVER
VA LV E 1210.20-01
Y6130
IDLE SPEED
CONTROL VALVE 1210.20-01
29 X60002
7

7
B6209
HALL EFFECT
CAMSHAFT
SENSOR 1210.20-03
B6217
HOT FILM AIR
MASS METER
45
1210.20-05
1721
F1815A
P90
FRONT POWER
DISTRIBUTION
BOX
M2
FUEL PUMPK6301w
FUEL PUMP
RELAY
1210.20-031210.20-03
631210.20-0360
D100
DATA LINK
CONNECTOR
56
K6326
UNLOADER RELAY,
TERMINAL 15 1210.20-02
1210.20-04
A836
ELECTRONIC
IMMOBILIZER CONTROL
MODULE (EWS II)
10
A35y
BOARD COMPUTER
(BC – LOW)
838
A2w
INSTRUMENT
CLUSTER
4280
1210.20-07
S530
IHKS CONTROL
SWITCH
69
1210.20-07
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
F165AP90
FRONT POWER
DISTRIBUTION BOX
36K19
COMPRESSOR
CONTROL RELAY
1210.20-07
86
85
19177
B6240
KNOCK SENSOR 1210.20-04
407071
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER) 1210.20-03
74
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR 1210.20-04
34 556
1210.20-05
A202
ABS CONTROL
MODULE/
HYDRAULIC UNIT
79
A52
SLIP CONTROL
MODULE
(ABS/ASC) 1210.20-05
323
SPARK PLUGS1210.20-04
1210.20-06 1210.20-05
ASC ABS 4
POWER
DISTRIBUTION
0670.2
POWER
DISTRIBUTION
0670.2
1210.20-07
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
Y6133
AIR PUMPK6304
SECONDARY AIR
PUMP RELAY
1210.20-081210.20-08
POWER
DISTRIBUTION
0670.2
Y6163
SECONDARY AIR
PUMP VALVE 1210.20-08
66Y6263
FUEL CHANGE-
OVER VALVE 1210.20-08
P90
FRONT POWER
DISTRIBUTION
BOX 1210.20-08F25A
1210.20-04
B72
FUEL TANK
PRESSURE
SENSOR
72
64
* *
*
1210.20 ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)


 



 !
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 II)
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


 



 !
Pin Assignments

E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
58
AActivate valveIntake air resonance changeover valve
59Not used
60EProgramming voltageData link connector
61AActivate valveEvaporation emission valve
62Not used
63AActivate relayFuel pump relay
64AActivate relay/valveSecondary air pump relay/Secondary air
pump valve
65AActivate valveCarbon canister valve
66AActivate valveFuel changeover valve
67Not used
68ESignal above 80 CDouble temperature switch
69EA/C-ON-signalAir conditioning operating unit
70ECyl 1-2 knock sensorKnock sensor
71MGround for sensorsTemperature-/ knock-/ throttle
position-sensors
72EFuel tank pressure signalFuel tank pressure sensor
73Not used
74ETemperature signalEngine coolant temperature sensor
75Not used
76Not used
77EOxygen sensor signalOxygen sensor (behind catalytic converter)
78ECrankshaft position/RPMCrankshaft position/RPM sensor
79ESpeed signal right rearABS/ASC control module
80ECrankshaft RPM speed signal TDInstrument cluster
81Not used
82Not used
83EVehicle speed signalOn-board computer
84Not used
85E/ACAN-LOWEGS/ASC control module
86E/ACAN-HIGHEGS/ASC control module
87ARxD diagnosis data lineData link connector
88E/ATxD diagnosis data lineData link connector





 

.5 RT/WS





POWER, FUEL INJECTION VALVES




!



ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
POWER
DISTRIBUTION
0670.2
85 86
8730
K6300
ENGINE CONTROL
MODULE RELAY X6410
4 8
6 X6300
26 27
2X6300
1 RT .5 BR/WS
54 X6000
A6000
ENGINE CONTROL
MODULE (DME)
1 RT/WS 4 RT
1210.20-054 RT/WS
1.5 RT/WS.5 RT/WS X6821.5 RT/WS
55 26 X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1.5 RT/WS1 RT 4 RT
WITH EGS
.5 RT/WS

1210.20-03 4 RT
2.5 RT/WS.5 GN
1210.20-03
541.5 RT/WS
1210.20-03
.35 RT/WS
3131
.5 GN
1210.20-08(PARTIAL)