1998 BMW M3 catalytic converter
[x] Cancel search: catalytic converterPage 104 of 386
%%&
Pin Assignments
$%%
E = Input, A = Output, M = Ground
X6000
Pin Type Description/Function Connection
89
MOxygen sensor heating groundOxygen sensor (behind catalytic converter)
90AActivate valveIdle speed control valve
91AActivate valveCyl. 1 fuel injection valve
92AActivate valveCyl. 4 fuel injection valve
93Not used
94MGround, fuel injection valve output stagesGround point
95Not used
96A“Check engine” indicator controlInstrument cluster
97Not used
98EDrive-away protection signalElectronic immobilizer control module
(EWS II)
99EActivate A/CPressure switch
100Not used
101Not used
102Not used
103Not used
104EIntake air temperatureIntake air temperature sensor
105MGroundHot film air mass meter
106Not used
107EOxygen sensor signalOxygen sensor (in front of catalytic
converter)
108ECrankshaft position/RPMCrankshaft position/RPM sensor
109ECamshaft positionHall effect camshaft sensor
11 0ACyl. 3 ignition coil controlCyl. 3 ignition coil
111ACyl. 4 ignition coil controlCyl. 4 ignition coil
11 2Not used
11 3Not used
11 4EBattery voltageB+ jump start junction point
11 5AEngine control module relay controlEngine control module relay, terminal 85
11 6MGround for electronics and shielding of
sensorsGround point
Page 105 of 386
%%&
Pin Assignments
$%%
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
Page 106 of 386
%%&
Pin Assignments
$%%
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
147
Not used
148EProgramming voltageData link connector
149AActivate valveEvaporation emission valve
150Not used
151AActivate relayFuel pump relay
152ASecondary air pump valve controlSecondary air pump valve
153ACarbon canister valve controlCarbon canister valve
154AFuel changeover valveFuel changeover valve
155Not used
156ESignal above 80 CDouble temperature switch
157EA/C-ON-signalAir conditioning operating unit
158ECyl 1-2 knock sensorKnock sensor
159MGround for sensorsTemperature-/knock-/throttle position
sensors
160EFuel tank pressureFuel tank pressure sensor
161Not used
162ETemperature signalEngine coolant temperature sensor
163Not used
164Not used
165EOxygen sensor signalOxygen sensor (behind catalytic converter)
166ECrankshaft position/RPMCrankshaft position/RPM sensor
167ESpeed signal right rearABS/ASC control module
168ACrankshaft RPM speed signal TDInstrument cluster
169Not used
170Not used
171EVehicle speed signalInstrument cluster
172Not used
173E/ACAN-LOWEGS/ASC control module
174E/ACAN-HIGHEGS/ASC control module
175ARxD diagnosis data lineData link connector
176E/ATxD diagnosis data lineData link connector
Page 111 of 386
.5 GN
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER)
X6200232
.5 GE
X62002
1 4
.5 BR .5 SW
.5 GN
FUEL PUMP, HEATED OXYGEN SENSOR, CRANKSHAFT SENSORS
$%%
%%&
ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
P90
FRONT POWER
DISTRIBUTION BOX
2.5 GN/VI
X6381
GROUND
DISTRIBUTION
0670.4X10016
15
X10016
16X20
13 2.5 GN/VI
M2
FUEL PUMP 6 X6301
8
X6301
4
K6301w
FUEL PUMP RELAY
X600063
A6000
ENGINE CONTROL
MODULE (DME) .5 BR/GN .5 RT/WS
30
8786
85
2.5 RT
X6382
1210.20-001210.20-00
X600078
2
20
1210.20-00
3046
19
21
X6203321
A6000
ENGINE CONTROL
MODULE (DME)
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
X620932
X6454
B6209
HALL EFFECT CAM-
SHAFT SENSOR
X62091
1210.20-00
B62001
OXYGEN
SENSOR (IN
FRONT OF
CATALYTIC
CONVERTER)
X6200132
.5 GE.35 RT/WS
X62001
4 1
.5 BR .5 SW
.35 SW .35 GE
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
B6203
CRANKSHAFT
POSITION/RPM
SENSOR
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
155V (15)
3131313131
F1815A
1
31
1210.20-00
77
15
31
.5 GE
X8008
.75 SW
.35 SW .35 GE
FUSE DETAILS
0670.3
X13006
Page 294 of 386
COMPONENT LOCATION CHART
;
$%% %%&
COMP.8500.0 7100.0LOCATION DESCRIPTION
B6240 KNOCK SENSOR . . . . . . . . . . . . . . . . . . . . . . . top front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
B6256
DUAL TEMPERATURE SENSOR
(COOLANT TEMPERATURE) . . . . . . . . . .
RH front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11-1
B9508
PRESSURE SWITCH . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment near RH headlight assembly . . . . . . . . . . . . . .
09-3
B62001
OXYGEN SENSOR (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . . . . . .
on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37-1
B62002
OXYGEN SENSOR (BEHIND CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . . .
on catalytic converter (318is) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37-2
B62101
OXYGEN SENSOR I (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . . . . . .
on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38-2
B62102
OXYGEN SENSOR I (BEHIND CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . . .
on catalytic converter
B62201
OXYGEN SENSOR II (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . . . . . .
on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38-2
B62202
OXYGEN SENSOR II (BEHIND CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . . .
on catalytic converter
C101 .
CONTACT RING . . . . . . . . . . . . . . . . . . . . . . . .
top of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24-2
C900 . SUPPRESSION FILTER . . . . . . . . . . . . . . . . . in upper RH C–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-2
D100 . DATA LINK CONNECTOR . . . . . . . . . . . . . . . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-1
E10 . . REAR DEFOGGER/ANTENNA . . . . . . . . . . . in rear window
E11 . . . LEFT HIGH BEAM LIGHT . . . . . . . . . . . . . . . . near LH headlight assembly
E12 . .
RIGHT HIGH BEAM LIGHT . . . . . . . . . . . . . .
near RH headlight assembly
E13 . . LEFT LOW BEAM LIGHT . . . . . . . . . . . . . . . . near LH headlight assembly
E14 . . RIGHT LOW BEAM LIGHT . . . . . . . . . . . . . . . near RH headlight assembly
Page 325 of 386
COMPONENT LOCATION CHART
;
$%% %%&
COMP.8500.0 7100.0LOCATION DESCRIPTION
X18723 GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . below LH side of dash
X18741
(4 PINS, –––) . . . . . . . . . . . . . . . . . . . . . . . . . . .
center of dash MICROPHONE
X18797 (1 PIN, NATURAL) . . . . . . . . . . . . . . . . . . . . . . in RH rear side of luggage compartment
X18798 (1 PIN, NATURAL) . . . . . . . . . . . . . . . . . . . . . . in RH rear side of luggage compartment
X18994 (3 PINS, YELLOW) . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment below . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
X19527 (16 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-3
X19561
(6 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . .
on RH side of transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
05-3
X62001 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under center of car (318is) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-1 07-2
X62002 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under center of car (318is) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-2 07-2
X62101 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-3 07-2
X62102 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under center of car on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-2
X62201
(4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . .
top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15-3
07-2
X62202 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under center of car on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-2
X90260 (3 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . . RH side of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04-3 01-1
X91009 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under passenger’s seat
Y1 . . . .
ABS HYDRAULIC UNIT . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment back of LH side shock tower . . . . . . . . . . . . . . .
16-2
Y1w . . ABS HYDRAULIC UNIT . . . . . . . . . . . . . . . . . . LH side of engine compartment
Y2 . . . . AIR CONDITIONING COMPRESSOR . . . . . front of engine
Y4 . . . . WATER VALVE ASSEMBLY . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-2
Y5 . . . . DRIVER’S SIDE MIRROR . . . . . . . . . . . . . . . . in upper LH front door
Y6 . . . .
PASSENGER’S SIDE MIRROR . . . . . . . . . . .
in upper RH front door
Y19 . . SHIFT–LOCK . . . . . . . . . . . . . . . . . . . . . . . . . . . center console RH side of gearshift selector
Page 365 of 386
S198
JET HEATER
THERMOSWITCH
COMPONENT LOCATION VIEWS $%%
%%&
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER)B62001
OXYGEN SENSOR
(IN FRONT OF
CATALYTIC
CONVERTER)
X62001
X1148
318tds
X62002
Page 366 of 386
B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER)
COMPONENT LOCATION VIEWS $%%
%%&
E35
DRIVER’S
MAKE–UP MIRROR
LIGHT
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) B62101
OXYGEN SENSOR I
(IN FRONT OF
CATALYTIC
CONVERTER)
X381X401
X1659
S77
DRIVER’S
MAKE–UP MIRROR
SWITCH