oil temperature BMW M3 1999 E36 Electrical Troubleshooting Manual








A8500
TRANSMISSION
CONTROL MODULE
(EGS)
9

327
.5 BL

4 3
.5 VI

332
.5 GN
301
.5 OR
5 6
.5 GR

21 .5 SW
2
14 .5 SW
X8500
8
1
.5 RT .5 GE .75 RT


31313131313131
W8516
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
X8516
X8516
Y8505y
TRANSMISSION
VALVE UNIT
1) SOLENOID
VALVE 1
2) SOLENOID
VALVE 2
3) SOLENOID
VALVE 3
6) HYDRAULIC
PRESSURE
REGULATOR
7) TORQUE
CONVERTER
CLUTCH
SOLENOID
VA LV E
8) OIL
TEMPERATURE
SENSOR
9) SPEED
SENSOR .5 TR
.75 BR
X8073
15
31
14 2X85054
1 12 9 11 X8505
6 16







Pin Assignments

E = Input, A = Output, M = Ground
X7000
Pin Type Description/Function Connection
1
Not used
2AShift-lockShift-lock
3ASolenoid valve 5Transmission valve unit
4ATorque converter clutch solenoid valveTransmission valve unit
5AHydraulic pressure regulatorTransmission valve unit
6Not used
7Not used
8Gear range signal L2Automatic transmission range switch
9Gear range signal L4Automatic transmission range switch
10EBrake pedal positionBrake light switch
11Not used
12ES-program indicationProgram switch
13EM-program indicationProgram switch
14ESpeed sensorTransmission valve unit
15MShield speed sensorShield
16ASpeed sensor n-turbineTransmission valve unit
17ES-programProgram switch
18EKick-down signalKick-down switch
19EASC signalASC module
20EE-programProgram switch
21MGround oil temperature sensorTransmission valve unit
22EOil temperature sensorTransmission valve unit
23MShield speed sensorShield
24Not used
25AFault indicator signalInstrument cluster
26EBattery voltageJump start junction point
27EM-programProgram switch
28MGround, electronicsGround point
29Not used
30ASolenoid valve 1Transmission valve unit







5
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
2 10
6
9Y8505y
TRANSMISSION
VALVE UNIT
1) SOLENOID
VALVE 1
2) SOLENOID
VALVE 2
3) SOLENOID
VALVE 3
4) SOLENOID
VALVE 4, RE-
VERSE BLOCK
5) SOLENOID
VALVE 5
6) HYDRAULIC
PRESSURE
REGULATOR
7) TORQUE
CONVERTER
CLUTCH
SOLENOID
VA LV E
8) OIL
TEMPERATURE
SENSOR
9) SPEED
SENSOR
10) SPEED
SENSOR
TURBINE W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
.5 RT

7
3 5
.5 RS

3
314
.5 SW

4
323
.5 GE

98X850511
332
.5 GN
301
.5 OR
4 7
.5 TR/SW

14
21 .5 SW/BL6
14 .35 BR10
44 .35 GR
X7000
8
12
5 113
X8505
.5 SW/RT .35 WS .35 BL .75 VI
15

31

31313131313131313131
W8521
AGS SPEED
SENSOR SHIELD
31 23
2460.4-00

 

A4
6211.0-04
F235A
K16
HAZARD
FLASHER
RELAY S7
COMBINATION
SWITCHF315A
P90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER F27
5A
TXD
RXD 12
A
11
18
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR 6211.0-021
B10
VEHICLE SPEED
SENSOR 6211.0-04G6509
GENERATOR
5B
D+ C
S2
IGNITION SWITCH 6211.0-00F46
15AF1515A NSW
2223168B
6312.0
16312.0342A
LIGHT SWITCH
DETAILS
6300.0
D100
DATA LINK
CONNECTOR /
15
A96
CONVERTIBLE TOP
CONTROL MODULEA18
HIFI AMPLIFIER 6211.0-03 6211.0-03
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
A115
AUTOMATIC
CLIMATE CONTROL
MODULE 6211.0-03
6211.0-03N9
RADIO 6211.0-03
A35
ON–BOARD
DISPLAY
N4
ON–BOARD
COMPUTER
N10
MULTI–FUNCTION
CLOCK 6211.0-05
2102426 B
17
B6
FUEL LEVEL
SENSOR 6211.0-04B25y
FUEL TANK
SENSOR II
34617
S31
PARK BRAKE
SWITCH 6211.0-0018
B18
BRAKE FLUID
LEVEL SWITCH 6211.0-0019
B6231
OIL PRESSURE
SWITCH 6211.0-009
H10
CHIME MODULE 6211.0-0519
B17
RIGHT REAR
BRAKE PAD SENSOR B16
LEFT FRONT
BRAKE PAD SENSOR
243
6211.0-03
AA
6211.0-01 6211.0-01A
B
A= X16B= X17C= X271
S14
DRIVER’S DOOR
JAMB SWITCH
23
6211.0-05
S2
IGNITION SWITCH 6211.0-05
22B14
S58
DRIVER’S SEAT
BELT SWITCH 6211.0-01
20 21 16A6000
ENGINE CONTROL
MODULE (DME)
6211.0-05 6211.0-04
6211.0-02
15
6211.0-01
B
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM
CONTROL
MODULE 6211.0-00
14
1AB
6211.0-04
B5
N24
ROLLOVER
SENSOR 6211.0-05 B
10
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 6211.0-01
CONVERTIBLE
12
A52
SLIP CONTROL
MODULE
(ABS/ASC) 6211.0-01 6211.0-0413
B6238
OIL TEMPERATURE
SENSOR
6211.0-00
13
AAB
A51
WIPER/WASHER
MODULE 6211.0-03A18
HIFI AMPLIFIER 6211.0-03
A64
WIPER/WASHER
MODULE (LOW II)
COUPE
1230.0
A7000
TRANSMISSION
CONTROL MODULE
(EGS)CONVERTIBLE
WITH TOP HIFI
11
6211.0-00
21 B
318i323i, 328i, M3
6211.0 INSTRUMENT CLUSTER



 


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
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



 

Pin Assignments


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/ASC) controlSlip control module (ABS/ASC) (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
15ESIA 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 (323i, 328i, M3)
21ESlip control system warning lamp
(ABS/ASC) controlSlip control module (ABS/ ASC) (318i)
22EIgnition key warning/audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch

X16







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
318i 42
A6000
ENGINE CONTROL
MODULE (DME)




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION


B21 . .

ON–BOARD COMPUTER TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20-1


B25y . FUEL TANK SENSOR II . . . . . . . . . . . . . . . . . top of fuel tank

B72 . .
FUEL TANK PRESSURE SENSOR . . . . . . . .
RH rear wheel well behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14-1

B78 . .

DRIVER’S SIDE IMPACT SENSOR . . . . . . .

in lower LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39-2


B79 . . PASSENGER’S SIDE IMPACT SENSOR . . . in lower RH B–pillar
B6203 CRANKSHAFT POSITION/RPM SENSOR . front of engine below . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

B6204
CAMSHAFT POSITION SENSOR
(CYLINDER IDENTIFICATION) . . . . . . . . .
front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12-2



B6204
CAMSHAFT POSITION SENSOR
(CYLINDER IDENTIFICATION) . . . . . . . . .
front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-1


B6205 INTAKE AIR TEMPERATURE SENSOR . . . front LH side of engine compartment (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2

B6205
INTAKE AIR TEMPERATURE SENSOR . . .
LH side of engine near oil level stick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36-3

B6207 HOT FILM AIR MASS METER . . . . . . . . . . . . LH side of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
B6209 HALL EFFECT CAMSHAFT SENSOR . . . . . front of engine (318i)
B6217 HOT FILM AIR MASS METER . . . . . . . . . . . . top front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2
B6231 OIL PRESSURE SWITCH . . . . . . . . . . . . . . . . front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1

B6231
OIL PRESSURE SWITCH . . . . . . . . . . . . . . . .
front of engine below intake manifold (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17-1



B6232

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11-3



B6232

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine below intake manifold (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17-2



B6236

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11-3




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
B6238 OIL TEMPERATURE SENSOR . . . . . . . . . . . LH side of engine

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 (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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
D110 . OBD II CONNECTOR . . . . . . . . . . . . . . . . . . . . below LH side of dash

E7 . . . .
LEFT HEADLIGHT . . . . . . . . . . . . . . . . . . . . . .
front LH side of engine compartment



E8 . . . . RIGHT HEADLIGHT . . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment
E9 . . . . REAR DEFOGGER I . . . . . . . . . . . . . . . . . . . . in rear window




COMPONENT LOCATION VIEWS








B6204
CAMSHAFT
POSITION SENSOR
(CYLINDER
IDENTIFICATION)
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR B6240
KNOCK SENSOR
Y6130
IDLE SPEED
CONTROL VALVE
X6130
B6231
OIL PRESSURE
SWITCH
B6256
DUAL
TEMPERATURE
SENSOR
(COOLANT
TEMPERATURE)X6231
X6256
B6236
ENGINE COOLANT
TEMPERATURE
SENSORX6130



Y6130
IDLE SPEED
CONTROL VALVE