catalytic converter BMW Z3M ROADSTER 2000 E36 Electrical Troubleshooting Manual



ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)



 







X65001
GROUND
DISTRIBUTION
0670.4
4 X6500
2 6 8 X6301
10X6301
4
2.5 GN/VI .35 SW/VI
M2
FUEL PUMP
A6000
ENGINE CONTROL
MODULE (DME)
K6301w
FUEL PUMP RELAY 

 
X60002
X13032
7221624 19 18
234 1
X62102
X62102
B62102
OXYGEN SENSOR
I (BEHIND
CATALYTIC
CONVERTER)
3 24 1
X62202
X62202
B62202
OXYGEN SENSOR
II (BEHIND
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
16
X100166
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
F137.5AF1815A
.5 RT/WS
.5 BR
1201421 13 15
234 1
X62101
X62101
B62101
OXYGEN SENSOR
I (IN FRONT OF
CATALYTIC
CONVERTER)
3 24 1
X62201
X62201
B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
.5 BR
.5 RT/WS
X60004
X86808P98
FUSE HOLDER IN
E–BOX
FUSE DETAILS
0670.3
F20430A
Z3 VERSIONS



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION


B6232

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine






B6236

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

44-2


B6238 OIL TEMPERATURE SENSOR . . . . . . . . . . RH side of oil filter (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-2
B6238 OIL TEMPERATURE SENSOR . . . . . . . . . . RH side of oil filter (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43-2

B6240

KNOCK SENSOR . . . . . . . . . . . . . . . . . . . . . .

LH side of engine (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46-2


B6240 KNOCK SENSOR . . . . . . . . . . . . . . . . . . . . . . top front of engine (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-2
B6247 CHARCOAL FILTER SHUT–OFF VALVE . . under LH rear of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
B6254 THERMAL OIL LEVEL SWITCH . . . . . . . . . lower LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41-2

B6256
DUAL TEMPERATURE SENSOR
(COOLANT TEMPERATURE) . . . . . . . . .
rear of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

32-1



B6279
THERMOSTAT, CHARACTERISTIC MAP
COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

44-3


B9508 PRESSURE SWITCH . . . . . . . . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-2



B62101



OXYGEN SENSOR I
(IN FRONT OF CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . .


on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


44-1




B62102
OXYGEN SENSOR I
(BEHIND CATALYTIC CONVERTER) . . .
on catalytic converter







B62201


OXYGEN SENSOR II
(IN FRONT OF CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . .

on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


44-1





B62202

OXYGEN SENSOR II
(BEHIND CATALYTIC CONVERTER) . . .
on catalytic converter



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION
X60005 (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47-2 01-4

X62101
(4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44-1
06-1
X62102 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-3 06-1
X62201 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44-1 06-1
X62202 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-3 06-1
X64101 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48-3

X64102
(2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
48-3

X64192 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box
X89977 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48-2
X91009 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . under RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
Y1w . . ABS HYDRAULIC UNIT . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-1

Y2 . . . .

AIR CONDITIONING COMPRESSOR . . . .

front RH side of engine compartment




Y4z . . . WATER VALVE . . . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-3
Y5 . . . . DRIVER’S SIDE MIRROR . . . . . . . . . . . . . . . in upper LH front door
Y6 . . . . PASSENGER’S SIDE MIRROR . . . . . . . . . . in upper RH front door

Y16z .
PRESSURE TRANSMITTER . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
48-1

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

B62101
OXYGEN SENSOR I
(IN FRONT OF
CATALYTIC
CONVERTER)
X62101
X62201


X6279X6236
COMPONENT LOCATION VIEWS











B6236
ENGINE COOLANT
TEMPERATURE
SENSOR

B6279
THERMOSTAT,
CHARACTERISTIC
MAP COOLING


B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER)