fuel consumption BMW 318ti 1998 E36 Electrical Troubleshooting Manual


 



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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




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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
10Not used
11Not used
12EASC signalASC control module
13ATI-measurement signal (fuel consumption)Engine control module (DME)
14ESeat belt warning lamp controlDriver’s seat belt switch
15ES/A reset/service interval indicator resetData link connector
16EVoltage supply, terminal RFront power distibution box, fuse 46
17ACoolant temperature sensor (–)Coolant temperature sensor
18ECoolant temperature sensor (+)Coolant temperature sensor
19EOil pressure warning lamp controlOil pressure switch
20Not used
21EABS warning lamp (ABS)ABS control module/hydraulic unit/Slip
control module (ABS/ASC)
22EIgnition key warning/Audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch
24Not used




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INDICATORS
INSTRUMENT CLUSTER
.5 SW/WS
F235A
P90
FRONT POWER
DISTRIBUTION BOX F46
15A
F315A

A2w
INSTRUMENT
CLUSTER
1) FUEL
CONSUMPTION
2) VEHICLE SPEED
OUTPUT
11) FUEL GAUGE
14) SPEEDOMETER
31
31 4
16X1622
30
31
X173X2714
B10
VEHICLE SPEED
SENSOR
6211.0-03
X383
2
X3831
X172
31 312
14 1
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4OUTPUT–SIGNAL
SPEEDOMETER
X6792
X12412
13
B25y
FUEL TANK
SENSOR II
B6
FUEL LEVEL
SENSOR
X10018232X100176
X17
X6791 .5 BR/GE
.5 GE
.5 BR/SWX1241
1.5 BR/SW .5 BR/RT
.5 BR/SW
X805
X173
11
01/2
1/1FUSE DETAILS
0670.3
 

.5 BR/GE
X11291
ON–BOARD
COMPUTER
(BC IV)
6581.0.5 BR/GE
23
X1413
.5 BR/GR/GE
X443
N12w
ANTI–THEFT
CONTROL
MODULE
(ALPINE)
X130254
A104
BODY
ELECTRONICS
CONTROL
MODULE
(ZKE IV)X132542 12
X3522
GROUND
DISTRIBUTION
0670.4
X13006
X3521S14
DRIVER’S DOOR
JAMB SWITCH
1) DOOR OPEN
2) DOOR CLOSED
.5 BR/GR/GE
.5 BR/GR/GE .5 BR/GR/GE .5 BR/GR/GE