fuel pump BMW 318ti 1999 E36 Electrical Troubleshooting Manual




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
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




K6300
ENGINE CONTROL
MODULE RELAY
K6301w
FUEL PUMP RELAY K2
HORN RELAY
K4
BLOWER RELAYK47
FRONT FOG LIGHT
RELAY
K16
HAZARD FLASHER
RELAYK48
LOW BEAM LIGHT
RELAYK21
NORMAL SPEED
RELAY K13
REAR DEFOGGER
RELAYK22
HIGH SPEED
RELAY
K19
COMPRESSOR
CONTROL RELAYK125
ABS PUMP MOTOR
RELAY, TIMED

COMPONENT LOCATION VIEWS









 



K6304
SECONDARY AIR
PUMP RELAY


Y6120
EVAPORATIVE
EMISSION VALVEX6120X6133X6163
B6
FUEL LEVEL
SENSOR
X1241
X10070X10071
H2
LEFT HORN
H3 *
RIGHT HORN




COMPONENT LOCATION VIEWS









 


* RH SIMILAR

Y6133
AIR PUMP
Y6163
SECONDARY AIR
PUMP VALVE

M2
FUEL PUMP
X638
X679
B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
X770
M7
HEADLIGHT/FOG
LIGHT WASHER
PUMP
S21w
ENGINE HOOD
SWITCH
X123
X371




COMPONENT LOCATION VIEWS