1998 BMW 318ti engine light

BMW NA


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ELECTRICAL TROUBLESHOOTING
MANUAL
SERIES 3 – E36/5 (318ti)
SCHEMATICS MODEL YEAR 1998

0100.0
INDEX

0110.0
INTRODUCTION
0140.0SYMBOLS
0670.0
POWER DISTRIBUTION CHART
0670.1
FUSE CHART
0670.2
POWER DISTRIBUTION
0670.3
FUSE DETAILS
0670.4
GROUND DISTRIBUTION

0670.5
DATA LINK




1210.20



ENGINE CONTROL SYSTEM
(DME M5.2, 4–CYLINDER M44)

1230.0
CHARGING SYSTEM

1240.0
START



2460.2


ELECTRONIC TRANSMISSION
CONTROL (EGS A4S 270R)



3234.0


SUPPLEMENTAL RESTRAINT
SYSTEM (AIR BAG)

3450.0
SLIP CONTROL (ABS)
3450.1
SLIP CONTROL (ABS/ASC)
5116.0
POWER MIRRORS

5126.0
ZKE CENTRAL LOCKING (ZV)

5133.0
ZKE POWER WINDOWS (FH)

5200.0
POWER SEATS

5203.0
HEATED SEATS




5410.1



POWER TILT/SLIDE SUNROOF
(SHD)
5410.4ELECTRIC FOLDING SUNROOF


6100.0


CENTRAL BODY
ELECTRONICS (ZKE IV)

6133.0
HORN


6135.0


DRIVE–AWAY PROTECTION
(EWS II)




6160.1



WIPER/WASHER MODULE
(WWM)




6169.0



WINDSHIELD WASHER JET
HEATERS

6211.0
INSTRUMENT CLUSTER
6213.0DIGITAL CLOCK
6300.0
LIGHT SWITCH DETAILS
6312.0
HEADLIGHTS/FOG LIGHTS
6313.0
TURN/HAZARD LIGHTS



6314.0



PARK/TAIL/UNDERHOOD
LIGHTS




6320.0



LICENSE PLATE/LUGGAGE
COMPARTMENT LIGHTS

6322.0
BACK UP LIGHTS

6325.0
BRAKE LIGHTS

6330.3
INTERIOR LIGHTS

6332.0
INTERIOR ACCESSORIES
6350.0CRASH CONTROL MODULE
6410.7
HEATING CONTROL (HS)
6424.0
REAR WINDOW DEFOGGER


6450.6


INTEGRATED HEATING–
AND CLIMATE CONTROL

6510.0
RADIO/STEREO

6510.1
RADIO/HIFI




6561.0



CELLULAR TELEPHONE
(PROVISIONS)




6571.0



CRUISE CONTROL
(TEMPOMAT)

6575.2
ANTI–THEFT SYSTEM (ALPINE)

6581.3
BOARD COMPUTER
(BC – LOW)



7000.0


COMPONENT LOCATION
CHART



7100.0


COMPONENT LOCATION
VIEWS

8000.0
SPLICE LOCATION VIEWS

8500.0
CONNECTOR VIEWS




INDEX







!
 

COMPONENT LOCATION CHART 7000.0. . . . . . . . . . . . . . . . . . . . . .
COMPONENT LOCATION VIEWS 7100.0. . . . . . . . . . . . . . . . . . . . . .
COMPRESSOR CONTROL RELAY, K19 6450.6-02. . . . . . . . . . . . . .
CONNECTOR VIEWS 8500.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONTACT RING, C101 3234.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRANKSHAFT POSITION/RPM SENSOR, B6203 1210.20-03. . . .
CRASH CONTROL MODULE 6350.0. . . . . . . . . . . . . . . . . . . . . . . . . . .
CRASH CONTROL MODULE, N17 6350.0-00. . . . . . . . . . . . . . . . . . .
CRUISE CONTROL (TEMPOMAT) 6571.0. . . . . . . . . . . . . . . . . . . . . .
CRUISE CONTROL ACTUATOR (TEMPOMAT), M25 6571.0-01. . .
CRUISE CONTROL MODULE (TEMPOMAT), A8 6571.0. . . . . . . . .
CRUISE CONTROL SWITCH, S28 6571.0-00. . . . . . . . . . . . . . . . . . .
DATA LINK 0670.5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DATA LINK CONNECTOR, D100 0670.5. . . . . . . . . . . . . . . . . . . . . . . .
DAY LIGHT RELAY MODULE, K46z 6312.0-04. . . . . . . . . . . . . . . . . .
DEFOGGER I, REAR, E9 6424.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DEFOGGER RELAY, REAR, K13 6424.0-00. . . . . . . . . . . . . . . . . . . .
DEFOGGER SWITCH, REAR, S218 6424.0-00. . . . . . . . . . . . . . . . . .
DIGITAL CLOCK, A110 6213.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOME LIGHT/MAP READING ASSEMBLY, FRONT, E34 6330.3-00
DOOR HANDLE SWITCH, DRIVER’S, S48 6575.2-00. . . . . . . . . . . .
DOOR JAMB SWITCH, DRIVER’S, S14 6100.0-02. . . . . . . . . . . . . .
DOOR JAMB SWITCH, DRIVER’S, S14 6330.3-01. . . . . . . . . . . . . .
DOOR JAMB SWITCH, DRIVER’S, S14 6575.2-01. . . . . . . . . . . . . .
DOOR JAMB SWITCH, PASSENGER’S, S13 6100.0-02. . . . . . . . . .
DOOR JAMB SWITCH, PASSENGER’S, S13 6330.3-01. . . . . . . . . .
DOOR JAMB SWITCH, PASSENGER’S, S13 6575.2-01. . . . . . . . . .
DOOR LOCK MOTOR, DRIVER’S, M12 5126.0-02. . . . . . . . . . . . . .
DOOR LOCK MOTOR, PASSENGER’S, M13 5126.0-02. . . . . . . . . .
DOOR LOCK SWITCH, DRIVER’S, S47 5126.0-00. . . . . . . . . . . . . .
DOOR LOCK SWITCH, PASSENGER’S, S49 5126.0-00. . . . . . . . .
DOUBLE TEMPERATURE SWITCH, S36y 6450.6-03. . . . . . . . . . . . DRIVE–AWAY PROTECTION (EWS II) 6135.0. . . . . . . . . . . . . . . . . .
ELECTRIC FOLDING SUNROOF 5410.4. . . . . . . . . . . . . . . . . . . . . . .
ELECTRONIC IMMOBILIZER CONTROL MODULE
(EWS II), A836 6135.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRONIC TRANSMISSION CONTROL
(EGS A4S 270R) 2460.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE CONTROL MODULE (DME), A6000 1210.20. . . . . . . . . . . .
ENGINE CONTROL MODULE RELAY, K6300 1210.20-00. . . . . . . .
ENGINE CONTROL SYSTEM
(DME M5.2, 4–CYLINDER M44) 1210.20. . . . . . . . . . . . . . . . . . . . . .
ENGINE COOLANT TEMPERATURE SENSOR, B6232 1210.20-04
ENGINE HOOD SWITCH, S21w 6575.2-01. . . . . . . . . . . . . . . . . . . . .
EVAPORATIVE EMISSION VALVE, Y6120 1210.20-01. . . . . . . . . . .
EVAPORATOR TEMPERATURE SENSOR, B14 6450.6-01. . . . . . .
FOG LIGHT RELAY, FRONT, K47 6312.0. . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT SWITCH ILLUMINATION, E98 6312.0-00. . . . . . . . . . . .
FOG LIGHT SWITCH, S82y 6312.0-00. . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT, LEFT, E26 6312.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT, RIGHT, E27 6312.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOLDING SUNROOF COMFORT RELAY, K45 5410.4-00. . . . . . . .
FOLDING SUNROOF MOTOR, M24z 5410.4-00. . . . . . . . . . . . . . . . .
FOLDING SUNROOF SWITCH, S238 5410.4-00. . . . . . . . . . . . . . . .
FOOTWELL LIGHT, LEFT FRONT, E61 6330.3-00. . . . . . . . . . . . . . .
FOOTWELL LIGHT, RIGHT FRONT, E62 6330.3-00. . . . . . . . . . . . .
FRESH AIR RECIRCULATION MOTOR, M111 6450.6-01. . . . . . . . .
FUEL CHANGEOVER VALVE, Y6263 1210.20-08. . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 1,Y6101 1210.20-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 2, Y6102 1210.20-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 3, Y6103 1210.20-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 4, Y6104 1210.20-01. . . . . . . . . . . .
FUEL LEVEL SENSOR, B6 6211.0-04. . . . . . . . . . . . . . . . . . . . . . . . .
FUEL LEVEL SENSOR, B6 6581.3-00. . . . . . . . . . . . . . . . . . . . . . . . .

11 12 13456 78 9
38
37
35
34
33
32
31 42
41
40
39 43 44


FRONT POWER DISTRIBUTION BOX
0670.0 POWER DISTRIBUTION CHART




!



K2
HORN RELAYK47
FRONT FOG LIGHT
RELAYK48
LOW BEAM LIGHT
RELAYK16
HAZARD FLASHER
RELAYK4
BLOWER RELAY
K13
REAR DEFOGGER
RELAYK125
ABS PUMP MOTOR
RELAY, TIMEDK22
HIGH SPEED
RELAYK19
COMPRESSOR
CONTROL RELAYK21
NORMAL SPEED
RELAY K6301w
FUEL PUMP RELAY K6300
ENGINE CONTROL
MODULE RELAY
X56X44X45X64X58
X292X11393
X53X51X52
X6304X6301X630046
45
3612 3 10
14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
FUSES FUSES
X0
 

K6304
SECONDARY AIR
PUMP RELAY

X5401





!

.5 BRX371
1S21w
ENGINE HOOD
SWITCH
.5 BRX516
3
S37
GLOVE BOX LIGHT
SWITCHS18
HAZARD SWITCH
1E82
TRANSMISSION
POSITION
INDICATOR LIGHT
X1193
.5 BR
X218
0670.4-144 BR 2.5 BR
4 BR .5 BR
0670.4-15




GROUND DISTRIBUTION
GROUND X10012 

X10012
.75 BR
X133052 CENTER CONSOLE
TELEPHONE CONNECTOR



 !
S30
BRAKE LIGHT
SWITCH
8
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
S8503
PROGRAM SWITCHA8500
TRANSMISSION
CONTROL MODULE
(EGS)
L1 L2 L3 L4
54
87
K6300
ENGINE CONTROL
MODULE RELAY 2460.2-02
F285A
26
2460.2-00
36379
TXD
X850088
2460.2-01
48
F2610AP90
FRONT POWER
DISTRIBUTION BOX
204513 2718
S8507
KICK–DOWN
SWITCH 2460.2-043428
 " 1 

'
 
 +
 1 
" 
 
F4615AP90
FRONT POWER
DISTRIBUTION BOX
10
Y8505y
TRANSMISSION
VALVE UNIT
522 2460.2-03
AM
X8500
X8500
EGSA4S 270R
2460.2-04
5330334322114
N
S
42 15
A6000
ENGINE CONTROL
MODULE (DME) 2460.2-02
8586
A2w
INSTRUMENT
CLUSTER 2460.2-04
25
5552
Y19
SHIFT–LOCK 2460.2-03
2
4046
A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.2-02
12 17
NOT USED
6
POWER
DISTRIBUTION
0670.2
RXD 87
60
D100
DATA LINK
CONNECTOR
2460.2-04
57
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
NOT USED
2460.2 ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)


 



 !
Pin Assignments


E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11 9
Not used
120ATorque converter clutch solenoid valve
control (–)Transmission valve unit
121ASolenoid valve 2 control (–)Transmission valve unit
122MGroundGround point
123Not used
124EGear range signal L1Automatic transmission range switch
125EGear range signal L3Automatic transmission range switch
126Not used
127Not used
128ERPM speed signal TDEngine control module
129Not used
130EOutput speed (+)Transmission valve unit
131Not used
132Not used
133AA-program indicationProgram switch
134EA/C compressor-ON-signalEngine control module
135Not used
136EBrake switch test signalBrake light switch
137Not used
138Not used
139Not used
140AVoltage supplyShift-lock/Transmission valve unit
141EVoltage pressure regulatorTransmission valve unit
142EVoltage supply, terminal 87Engine control module relay
143EVoltage supply, terminal 87Engine control module relay
144Not used
145ECruise control signalCruise control module
146Not used
147Not used
148EProgramming voltageData link connector
149Not used





 

3450.0 SLIP CONTROL (ABS)




!



14
FUSE DETAILS
0670.316P90
FRONT POWER
DISTRIBUTION BOX
F275A
X10018
F3830A
X1139424
A202
ABS CONTROL
MODULE/HY-
DRAULIC UNIT
GROUND
DISTRIBUTION
0670.4
32X10018
F4615A
2
F215A
X1001720
F1030A
X10015
21 X17
23 X16
21
A2w
INSTRUMENT
CLUSTER1
X78
2 X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
A6000
ENGINE CONTROL
MODULE (DME)
79 X6000
.5 WS/GR/GE
21
9 X20
.75 BR/RT
1816
FUSE DETAILS
0670.3
4259X11394
7
DATA LINK
0670.5
, .#
8
GROUND
DISTRIBUTION
0670.4
FUSE DETAILS
0670.3
1.5 BL/RT
.35 WS/VI X181
TXD


.35 BL/RT .35 GR/SW/GEBRAKE LIGHTS
6325.0FUSE DETAILS
0670.3 FUSE DETAILS
0670.3
31
X116
X116
S29
BRAKE LIGHT
SWITCH
1) NORMAL
STATE
2) BRAKE PEDAL
DEPRESSED
31
WITH EGS



 !
F215A
3450.1-01
3450.1-00
Y1
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K125
ABS PUMP MOTOR
RELAY, TIMED
A52
SLIP CONTROL
MODULE
(ABS/ASC)
17 X1170
41 X11395
TXD 36


F1030AF275A
A2w
INSTRUMENT
CLUSTER
42528311
S30
BRAKE LIGHT
SWITCH F38
30AF4615A
3
3450.1-00
3450.1-00
32 11
B2
LEFT FRONT
SPEED SENSOR –
ABS 3450.1-0313 34
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0312 33
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3450.1-0314 35
B3
RIGHT REAR
SPEED SENSOR –
ABS 3450.1-033776
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-02A8500
TRANSMISSION
CONTROL MODULE
(EGS) 3450.1-02
2232425262227294
F215A
S6
ASC SWITCH 3450.1-02
39
LIGHT SWITCH
DETAILS
6300.0
404
58g
X1170
15
2
S29
BRAKE LIGHT
SWITCH
X11395
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS)R6255z
THROTTLE
POSITION SENSOR
(ASC)
1930831
X1170X11395X1170
X1170X11395
3450.1-02
3450.1-00X1170
WITH EGS
3450.1 SLIP CONTROL (ABS/ASC)