air condition BMW Z3M COUPE 2001 E36 Electrical Troubleshooting Manual



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
K22 . . . HIGH SPEED RELAY . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . 09-3

K25 . . .
RIGHT PARK LIGHT/LICENSE PLATE
LIGHT RELAY . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . .

01-3


K26 . . .
LEFT PARK LIGHT RELAY . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . .
01-3

K33a . .

AIR CONDITIONING RELAY, MOTRONIC .

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

09-3


K46 . . . HIGH BEAM LIGHT RELAY . . . . . . . . . . . . . footwell, driver’s side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-3
K47 . . . FRONT FOG LIGHT RELAY . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . 09-2
K48 . . . LOW BEAM LIGHT RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . 09-2



K70 . . .


CENTRAL LOCKING LUGGAGE
COMPARTMENT LID MOTOR RELAY
(ZV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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



01-3




K104 . .

AIR CONDITIONING RELAY/AUXILIARY
WATER PUMP . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . .


09-3



K910 . .

PASSENGER’S SEAT TILT ADJUST CUT–
OFF RELAY . . . . . . . . . . . . . . . . . . . . . . . . .
underside of RH front seat






K911 . . .

PASSENGER’S SEAT LENGTH ADJUST
CUT–OFF RELAY . . . . . . . . . . . . . . . . . . . .
underside of RH front seat






K920 . .

DRIVER’S SEAT TILT ADJUST CUT–OFF
RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
underside of LH front seat






K921 . .

DRIVER’S SEAT LENGTH ADJUST CUT–
OFF RELAY . . . . . . . . . . . . . . . . . . . . . . . . .
underside of LH front seat




K6300 . ENGINE CONTROL MODULE RELAY . . . . rear RH side of engine compartment in E–Box
K6301w FUEL PUMP RELAY . . . . . . . . . . . . . . . . . . . . below LH side of dash (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-3

K6301z
ELECTRIC FUEL PUMP RELAY, TIMED . .
under rear storage compartment (M VERSIONS)



K6304 . SECONDARY AIR PUMP RELAY . . . . . . . . rear RH side of engine compartment in E–Box



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION


S117 . . .

LUGGAGE COMPARTMENT LID LOCK-
ING SWITCH . . . . . . . . . . . . . . . . . . . . . . . .
in lift gate




S126y . DRIVER’S POWER WINDOW SWITCH . . . center console near gearshift lever

S127y .
PASSENGER’S POWER WINDOW
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console near gearshift lever





S143 . .
CONVERTIBLE TOP ACTUATING
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console





S164 . .
CONVERTIBLE TOP END–POSITION
MICRO SWITCH . . . . . . . . . . . . . . . . . . . . .
at convertible top linkage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17-3

S198 . . JET HEATER THERMOSWITCH . . . . . . . . . on front RH wheel well

S220 . .
AIR CONDITIONING/RECIRCULATING
SWITCH ASSEMBLY . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

00-1


S221 . .
EVAPORATOR CONTROLLER . . . . . . . . . .
RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21-2

S224 . . GEAR STEP TRANSMISSION SWITCH . . center console
S232 . . COMPRESSOR MAIN SWITCH . . . . . . . . . . TIRE INFLATION SYSTEM
S235 . . STARTER IMMOBILIZATION SWITCH . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
S408 . . INTERIOR LIGHT SWITCH . . . . . . . . . . . . . near interior rear view mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-2

S531 . .

TEMPERATURE WHEEL SWITCH . . . . . . .

center of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21-3




S555 . .

TYRE PRESSURE WARNING SYSTEM
(RDW) PUSHBUTTON . . . . . . . . . . . . . . .
LH side of dash




S825 . . FRONT LID MICRO SWITCH . . . . . . . . . . . . near LH headlight assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1


S826 . .

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




S910 . . DRIVER’S SEAT LIMIT SWITCH . . . . . . . . . in driver’s seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-3



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
X23146 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-3

X60001
(9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31-1
01-2
X60002 (24 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1 03-5
X60003 (52 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1 02-5
X60004 (40 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1 07-5
X60005 (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1 01-2
X60531
(3 PINS, WHITE) . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


03-6
X62101 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-3
X62102 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-3
X62201 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-3
X62202 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-3
X62400

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

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



05-3
X64101 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box
X64102 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box
X64192 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box

X70001
(9 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


01-2
X70003 (52 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-5
X70004 (40 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-5
X89977 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box
X91009 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . under RH front seat

X100000

(4 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . .

LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



02-4
Y2 . . . . . AIR CONDITIONING COMPRESSOR . . . . front RH side of engine compartment

A35y
BOARD COMPUTER
(BC – LOW)
X10010
GROUND


7100.0 COMPONENT LOCATION VIEWS












X13004
GROUNDS220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
K46
HIGH BEAM LIGHT
RELAY

X10245X18349
K6301w
FUEL PUMP RELAY
N17
CRASH CONTROL
MODULEX322X1588


P97
AUXILIARY FUSE
BOX



B18
BRAKE FLUID
LEVEL SWITCH
COMPONENT LOCATION VIEWS











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
K19
COMPRESSOR
CONTROL RELAY
K21
NORMAL SPEED
RELAYK22
HIGH SPEED
RELAY


K33a
AIR CONDITIONING
RELAY, MOTRONIC
K104
AIR CONDITIONING
RELAY/AUXILIARY
WATER PUMP