ABS BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual






COMPONENT LOCATION CHART





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COMP.8500.0 7100.0LOCATION DESCRIPTION
X123 . (2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment on washer fluid reservoir

X127 .
(4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30-2
05-4
X128 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2 02-5
X130 . (2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . near front LH headlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-2
X131 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . near front LH headlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-2
X132 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on front LH wheel well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1

X133 .
(2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
on front LH wheel well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13-2

X134 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . near front RH headlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-3
X135 . (2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . near front RH headlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-3
X137 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-3 02-5
X142 . (3 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . under LH rear of car, ASC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 06-3
X142 .

(2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . .

under LH rear of car, ABS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16-1


X143 . (3 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . under RH rear of car, ASC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 06-3
X143 . (2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . under RH rear of car, ABS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-3

X163 .
(3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment on washer fluid reservoir near RH headlight
assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30-2
05-5
X165 . GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04-2

X166 .
GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
05-1

X170 . GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . behind LH footwell speaker grille . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-2
X256 . (26 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . RH A–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-1 03-5
X257 . (26 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . LH A–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-3 03-5
X271 . (12 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . LH side of dash rear side of instrument cluster, A2w . . . . . . . . . . . . . . . . . . . . . . . . . . 20-2 01-3






COMPONENT LOCATION CHART






 !""#""$
COMP.8500.0 7100.0LOCATION DESCRIPTION
X62202 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03-3

X90260
(3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
near steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
01-2
01-1
X91009 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . under RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41-2
Y1 . . . . ABS HYDRAULIC UNIT . . . . . . . . . . . . . . . . . LH side of engine compartment
Y1w . . ABS HYDRAULIC UNIT . . . . . . . . . . . . . . . . . rear LH side of engine compartment (4–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-2
Y1w . . ABS HYDRAULIC UNIT . . . . . . . . . . . . . . . . . rear LH side of engine compartment (6–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-3

Y2 . . . .
AIR CONDITIONING COMPRESSOR . . . .
front RH side of engine compartment



Y4z . . . WATER VALVE . . . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-2

Y6101

CYL. 1 FUEL INJECTION VALVE . . . . . . . .

on cylinder head




Y6102 CYL. 2 FUEL INJECTION VALVE . . . . . . . . on cylinder head
Y6103 CYL. 3 FUEL INJECTION VALVE . . . . . . . . on cylinder head
Y6104 CYL. 4 FUEL INJECTION VALVE . . . . . . . . on cylinder head

Y6105
CYL. 5 FUEL INJECTION VALVE . . . . . . . .
on cylinder head



Y6106 CYL. 6 FUEL INJECTION VALVE . . . . . . . . on cylinder head
Y6120 EVAPORATIVE EMISSION VALVE . . . . . . . LH side of engine compartment (4–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-2
Y6120 EVAPORATIVE EMISSION VALVE . . . . . . . LH side of engine compartment (6–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-2
Y6130 IDLE SPEED CONTROL VALVE . . . . . . . . . front of engine (4–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

Y6130

IDLE SPEED CONTROL VALVE . . . . . . . . .

front of engine (6–cylinder)






7100.0 COMPONENT LOCATION VIEWS
ELECTRICAL CONTROL MODULE LOCATIONS
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X1170X1652X1659
X782X1171X1175
A52
SLIP CONTROL
MODULE
(ABS/ASC)
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)

A52
SLIP CONTROL
MODULE
(ABS/ASC)A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
A51
WIPER/WASHER
MODULEX22
X285
A64
WIPER/WASHER
MODULE (LOW II)A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)

A7
SLIP CONTROL
MODULE (ABS)



X20X69






M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)
COMPONENT LOCATION VIEWS !""




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Y6120
EVAPORATIVE
EMISSION VALVE
X6120
X70
Y1w
ABS HYDRAULIC
UNIT

X6031


K94
ENGINE CONTROL
RELAY (ABS/ASC) K33a
AIR CONDITIONING
RELAY, MOTRONIC
K95
VALVE RELAY
(ABS/ASC)








B18
BRAKE FLUID
LEVEL SWITCH
COMPONENT LOCATION VIEWS !""




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K2
HORN RELAYX111
X372
H1w
ANTI–THEFT HORN
(ALPINE)
K4
BLOWER RELAY
K16
HAZARD FLASHER
RELAYK47
FRONT FOG LIGHT
RELAY
K48
LOW BEAM LIGHT
RELAYK9
UNLOADER RELAY,
TERMINAL 15
K10
ABS RELAY
K19
COMPRESSOR
CONTROL RELAYK21
NORMAL SPEED
RELAY
K22
HIGH SPEED
RELAY
K75
ABS PUMP MOTOR
RELAY





B2
LEFT FRONT
SPEED SENSOR –
ABS
B16
LEFT FRONT
BRAKE PAD
SENSOR B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
S198
JET HEATER
THERMOSWITCH
COMPONENT LOCATION VIEWS !""




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X132
X768
X770
X1148
X114
X118





COMPONENT LOCATION VIEWS !""




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B6210y
OXYGEN SENSOR
(IN FRONT OF
CATALYTIC
CONVERTER)
B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
X770
X6210X6220








X1176X10094

M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS) B6220y
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER)
Y1w
ABS HYDRAULIC
UNIT