1999 BMW 318ti door lock








Pin Assignments


 

E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11
Not used
12Not used
13ECentral arrest signalDoor lock switches
14ELock signalDoor lock motor, driver’s door
15ELock signalDoor lock motor, passenger’s door
16ELock signalLuggage compartment motor
17EData signalAnti-theft system control module (Alpine)
18Not used
19ELock signalCentral locking switch
20Not used
21Not used
22Not used
23AVoltage supply (revolution)Driver’s window motor
24AVoltage supply (revolution)Passenger’s window motor
25Not used
26Not used
X13254
Pin Type Description/Function Connection
1
EDoor handle contactAnti-theft system control module (Alpine)
2EDoor signalDoor jamb switch, driver’s door
3EDoor signalDoor jamb switch, passenger’s door
4Not used
5Not used
6EOPEN signalPower window switch, driver’s door
7ECLOSE signalPower window switch, driver’s door
8EOPEN signalPower window switch, passenger’s door
9ECLOSE signalPower window switch, passenger’s door
10Not used
11Not used
12Not used


LUGGAGE COMPARTMENT LID, DRIVER’S AND PASSENGER’S DOOR INPUT SIGNALS








CENTRAL BODY ELECTRONICS (ZKE IV)
X1001514P90
FRONT POWER
DISTRIBUTION BOX F7
5A
.5 WS/SW
FUSE DETAILS
0670.3
6X641
54
.5 WS/GN.5 WS/SW6 X660
M12
DRIVER’S DOOR
LOCK MOTOR
1) LOCK
2) UNLOCK
5 4 X660
.5 WS/GN
S47
DRIVER’S DOOR
LOCK SWITCH
0) OFF
3) CENTRAL
ARREST
0 3
1
.5 WS/RT
2 X747
X747
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
15
14 13X256
214 1
14 13
.35 WS/GR .35 WS/BR/GE
13 .35 WS/
GN
.35 WS/RT
10 X257
.35 WS/RT
X449
S302
CENTRAL LOCKING
SWITCH
0) OFF
1) LOCKED 01
1 4 X1292
X1292
2 12 1
2 1 3 X311
21
16 3 .35 WS/BL .5 WS/GN/GE X641X311
M17
LUGGAGE
COMPARTMENT
LOCK MOTOR
1) LOCK
2) UNLOCK
M13
PASSENGER’S
DOOR LOCK
MOTOR
1) LOCK
2) UNLOCK
 

S49
PASSENGER’S
DOOR LOCK
SWITCH
0) OFF
3) CENTRAL
ARREST
0 3
1
.35 WS/RT
2 X742
X742
19 X13253.35 RT/GN/GE
10 X256
.5 WS/RT
.35 WS/SW
12 X256
.35 RT/GN
.5 RT/GN.35 RT/GN.35 RT/GN




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION
K6300 ENGINE CONTROL MODULE RELAY . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 
0

K6301w

FUEL PUMP RELAY . . . . . . . . . . . . . . . .

rear LH side of engine compartment in Power Distribution Box . . . . . . . . . .


0


K6304 SECONDARY AIR PUMP RELAY . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 
0
K6326 UNLOADER RELAY, TERMINAL 15 . . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

L1 . . . .
EWS TOROIDAL COIL . . . . . . . . . . . . . .
at ignition switch



M2 . . .

FUEL PUMP . . . . . . . . . . . . . . . . . . . . . . . .

below RH side of rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


M3 . . . WIPER MOTOR . . . . . . . . . . . . . . . . . . . . rear of engine compartment below center of cowl . . . . . . . . . . . . . . . . . . . . . 0
M4 . . . WASHER PUMP . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment on washer fluid reservoir . . . . . . . . . . 0

M7 . . .
HEADLIGHT/FOG LIGHT WASHER
PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment on washer fluid reservoir . . . . . . . . . .

0



M9 . . .

AUXILIARY FAN MOTOR . . . . . . . . . . . .

behind front grille behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


M12 . . DRIVER’S DOOR LOCK MOTOR . . . . . in lower LH front door behind trim panel
M13 . . PASSENGER’S DOOR LOCK MOTOR in lower RH side of front door behind trim panel

M16 . .
GAS FILLER LOCK MOTOR . . . . . . . . .
in RH rear side of luggage compartment behind trim panel . . . . . . . . . . . . .

0



M17 . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . .
rear side of luggage compartment behind trim panel . . . . . . . . . . . . . . . . . . .

0

M21 . . DRIVER’S WINDOW MOTOR . . . . . . . . LH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0
M23 . . PASSENGER’S WINDOW MOTOR . . . . RH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

M24z . FOLDING SUNROOF MOTOR . . . . . . . . in roof panel



M25 . .



CRUISE CONTROL ACTUATOR
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . .


front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0



M30 . . BLOWER MOTOR . . . . . . . . . . . . . . . . . . rear of engine compartment behind RH fresh air cowl




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION
S30 . . BRAKE LIGHT SWITCH . . . . . . . . . . . . . LH footwell on clutch pedal support bracket behind LH footwell trim . . . . . 0

S31 . .

PARK BRAKE SWITCH . . . . . . . . . . . . . .

center console on rear of park brake lever . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S32 . . CLUTCH SWITCH . . . . . . . . . . . . . . . . . . LH footwell underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
S36y . DOUBLE TEMPERATURE SWITCH . . . front RH side of engine compartment near RH headlight assembly . . . . . . 0

S37 . .
GLOVE BOX LIGHT SWITCH . . . . . . . .
in glove box



S38 . .

TILT/SLIDE SUNROOF SWITCH (SHD)

in roof panel




S47 . . DRIVER’S DOOR LOCK SWITCH . . . . . LH front door in door at key lock assembly
S49 . . PASSENGER’S DOOR LOCK SWITCH RH front door in door at key lock assembly

S51 . .
DRIVER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
under driver’s seat







S53 . .



DRIVER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .


center console








S54 . .

PASSENGER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0



S56 . .

PASSENGER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
under passenger’s seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S58 . . DRIVER’S SEAT BELT SWITCH . . . . . . in LH front seat belt buckle
S59 . . PASSENGER’S SEAT BELT SWITCH . in RH front seat belt buckle

S61y .
LUGGAGE COMPARTMENT LIGHT
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
underside of luggage compartment lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



0



S75 . .
BLOWER SWITCH . . . . . . . . . . . . . . . . . .
center of dash





S77 . .

DRIVER’S MAKE–UP MIRROR
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
above LH sun visor in sun visor bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION
X741 . (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . under RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0 0
X742 .

(2 PINS, YELLOW) . . . . . . . . . . . . . . . . . .

RH front door in door at key lock assembly




X744 . (4 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . RH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
0
X745 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . right footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

X746 .
(3 PINS, NATURAL) . . . . . . . . . . . . . . . . .
RH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0
X747 .

(2 PINS, YELLOW) . . . . . . . . . . . . . . . . . .

LH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0


X748 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0 0
X749 . (4 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . LH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0 0

X753 .
(3 PINS, NATURAL) . . . . . . . . . . . . . . . . .
LH front door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0
X768 . (2 PINS, WHITE) . . . . . . . . . . . . . . . . . . . . in the engine compartment near LH headlight assembly . . . . . . . . . . . . . . . . 0

X769 . (2 PINS, WHITE) . . . . . . . . . . . . . . . . . . . . in the engine compartment near RH headlight assembly . . . . . . . . . . . . . . . 0

X770 . (2 PINS, YELLOW) . . . . . . . . . . . . . . . . . . in the engine compartment near LH headlight assembly . . . . . . . . . . . . . . . . 0

X771 .

(2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


X778 . (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . in LH front seat belt buckle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
X782 . (3 PINS, ORANGE) . . . . . . . . . . . . . . . . . LH side of glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 0

X783 .
(3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .
underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0
X816 . (1 PIN, –––) . . . . . . . . . . . . . . . . . . . . . . . . rear of engine compartment behind RH fresh air cowl
X817 . (1 PIN, –––) . . . . . . . . . . . . . . . . . . . . . . . . rear of engine compartment behind RH fresh air cowl
X861 . GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

X904 .

(4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

behind center of dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0

0
X905 . (7 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . behind center of dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION
X91009 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . under passenger’s seat

Y1 . . . .

ABS HYDRAULIC UNIT . . . . . . . . . . . . . .

rear LH side of engine compartment back of LH side shock tower . . . . . . .

0


Y2 . . . . AIR CONDITIONING COMPRESSOR . front RH side of engine compartment
Y4z . . . WATER VALVE . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
Y199 . CARBON CANISTER VALVE . . . . . . . . . behind side panel, right from RH rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

Y6101
CYL. 1 FUEL INJECTION VALVE . . . . .
on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0


Y6102 CYL. 2 FUEL INJECTION VALVE . . . . . on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

Y6103 CYL. 3 FUEL INJECTION VALVE . . . . . on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

Y6104 CYL. 4 FUEL INJECTION VALVE . . . . . on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


Y6120

EVAPORATIVE EMISSION VALVE . . . .

LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


Y6130 IDLE SPEED CONTROL VALVE . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0



Y6131

INTAKE AIR RESONANCE CHANGE-
OVER VALVE . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


Y6133 AIR PUMP . . . . . . . . . . . . . . . . . . . . . . . . . LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


Y6163

SECONDARY AIR PUMP VALVE . . . . .

LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


Y6263 FUEL CHANGEOVER VALVE . . . . . . . . under LH center of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

Y8505y TRANSMISSION VALVE UNIT . . . . . . . . on RH side of transmission