1999 BMW 318ti fuel type


 



 
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
III)
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





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
15ESIA 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





Pin Assignments


 

E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
25
Not used
26Not used
X271
Pin Type Description/Function Connection
1
AFuel level sensorFuel tank sensors
2Not used
3AGround supply for fuel tank sensors and
vehicle speed sensorFuel tank sensors and vehicle speed
sensor
4EPosition signal TWVehicle speed sensor
5Not used
6Not used
7Not used
8Not used
9Not used
10Not used
11Not used
12Not used