cruise control BMW Z3M COUPE 2001 E36 Electrical Troubleshooting Manual





Pin Assignments (M Versions)




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
11
AOELDSignal, oil pressureInstrument cluster
12MM_FW2GroundPedal position sensor
13EA_FW2Signal, pedal position 2Pedal position sensor
14AU_FW2Voltage supplyPedal position sensor
15Not used
16Not used
17ATDCrankshaft RPM speed signal (TD)Electronic immobilizer control
module (EWS III)
18Not used
19ERFLReversing light signalReversing light switch
20ATOGSignal oil levelThermal oil level switch
21Not used
22EDFAHRSpeed signal right rearDynamic stability control unit
23Not used
24EKL 54 ONBrake signalBrake light switch
25Not used
26E15A26Terminal 15Fuse 26
27EMFLCruise control signalCruise control interface
28EA_S_LDPVLeakage diagnosisLeakage diagnosis pump
29AKORELActivate relayCompressor control relay
30EA_T_LDPLeakage diagnosisLeakage diagnosis pump
31Not used
32E/ATXDIITXD diagnosis data linkData link connector
33ES_DWADrive-away protection signal (code)Electronic immobilizer control
module (EWS III)
34ES_BLTSSignal testBrake light switch
35M31GroundCruise control interface
36E/ACAN+CAN-bus HighSplice, CAN-bus High
37E/ACAN–CAN-bus LowSplice, CAN-bus Low
38Not used
39Not used
40Not used



ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)
1










6
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION
BOX
4 X51
FUSE DETAILS
0670.3
2 X515
.75 SW
.5 SW/BL
K19
COMPRESSOR
CONTROL RELAY
1
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATURE
30 86
87 85
X10241
X100181812 F39
7.5AF165A
2
A6000
ENGINE CONTROL
MODULE (DME)
35 X60004
29
27
.5 BR/OR .35 BL/SW
X1017012
A9008
CRUISE CONTROL
INTERFACE
4
FUSE DETAILS
0670.3
1 X78FUSE DETAILS
0670.3
3 X782
.75 RT/GE
.5 BL/RT
43
X10016632 F13
5AF4615A
2434
.75 BL/RT
BRAKE
LIGHTS
6325.0
X181
12S30
BRAKE LIGHT SWITCH
1) BRAKE PEDAL RELEASED
2) BRAKE PEDAL DEPRESSED
3) BRAKE PEDAL DEPRESSED
(TEST)
4) BRAKE PEDAL RELEASED
(NORMAL)
1
20
.5 SW/BL
3 X121
FUSE DETAILS
0670.3
S32
CLUTCH SWITCH
28
F4415A
X60002
2
GROUND
DISTRIBUTION
0670.4
X1211
X10010
X10018
X60004
8 X6021
.35 GR
M VERSIONS















6571.0 CRUISE CONTROL (TEMPOMAT)
P90
FRONT POWER
DISTRIBUTION BOX F26
10A
X10017
12
1 X72
S28
CRUISE CONTROL
SWITCH
0) NORMAL
1) OFF
2) RESUME
3) DECELERATE/
SET
4) ACCELERATE/
SET
324 X72
A9008
CRUISE CONTROL
INTERFACE .35 BL/GE .35 BL .35 BL/GR.35 VI/WS
.35 BL/SW FUSE DETAILS
0670.3
5
4 3
01 2
0
3 X10170
21 X10170
.35 BR .35 GE/GN
6 X738
A9008
CRUISE CONTROL
INTERFACE
R10
PEDAL POSITION
SENSOR
13 .35 WS/GN
1
8 .35 WS
5
9 .35 GE
2
7 .35 BR/GN
4
.35 BL/SW.5 BR/OR
35 X6000427
A6000
ENGINE CONTROL
MODULE (DME) 12 14 X6004
1 2
0

X60003
20











19
A6000
ENGINE CONTROL
MODULE (DME)


CRUISE CONTROL (TEMPOMAT)
.5 BR/GR .5 BR/VI
A6000
ENGINE CONTROL
MODULE (DME)
10
.5 BR/WS
7
.5 BR/BL
X63901426
53
.75 BR/SW .75 GR/WS44 43
Y6390
ELECTRIC
THROTTLE
ACTUATOR
X60003
23
28 X60004
X783
24
2
.35 RT/GE
14X78
FUSE DETAILS
0670.3
F135A
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
F4615A
1.5 BL/RT
X181
BRAKE LIGHTS
6325.06
X1001632X10018
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL) 21 34
.5 BL/RT X60004
FUSE DETAILS
0670.3
F435A
26
1
S32
CLUTCH SWITCH
GROUND
DISTRIBUTION
0670.4
X10010
X11143
3
.35 BL/BR
2 X11143
X6390
Z3 VERSIONS

M VERSIONS
X5393
X60003











2
A6000
ENGINE CONTROL
MODULE (DME)


CRUISE CONTROL (TEMPOMAT)
.5 WS
20
.5 BR
X6000323
31
21
2.5 RT.5 RT/GE
2.5 WS2 914
R6252
THROTTLE
POSITION SENSOR X6252
34 X60004
X783
24
2
.75 RT/GE
14X78
FUSE DETAILS
0670.3P90
FRONT POWER
DISTRIBUTION BOXFUSE DETAILS
0670.3
.75 BL/RT
X181
BRAKE LIGHTS
6325.06
X1001632X10018
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL)
.5 BL/RT
F4615AF135A
1 2
4 3
A6000
ENGINE CONTROL
MODULE (DME)
FUSE DETAILS
0670.3
28
F4415A
1
S32
CLUTCH SWITCH
GROUND
DISTRIBUTION
0670.4
X10010
X121
3
X60001
X5392
X60003
X6475
.5 BR
1
.5 VI
10
32
7
.5 BR
Y5392
ELECTRIC
THROTTLE MOTOR
X5286
ENGINE CONTROL
SYSTEM MSS54
(6–CYLINDER S54
B32)
1210.27.5 RT/GN6 7 X6053
X5393
2.5 RT 2.5 WS .5 RT/GN
20 X60002
2
X5285X5284
2.5 RT 2.5 WS
X6252
X10018
8 X6021
.5 SW/BL
.35 GR .5 RT/GN
X121



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION


A7000 .

TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment in E–Box




A9008 . CRUISE CONTROL INTERFACE . . . . . . . . near steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-1

A19007
THERMAL OIL LEVEL SENSOR (TOENS)
CONTROL MODULE . . . . . . . . . . . . . . . . .
behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12-2

B1 . . . . . RIGHT FRONT SPEED SENSOR – ABS . . on RH front wheel, above brake caliper

B2 . . . . .

LEFT FRONT SPEED SENSOR – ABS . . .

on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

04-2


B3 . . . . . RIGHT REAR SPEED SENSOR – ABS . . . on RH rear wheel, above brake caliper
B4 . . . . . LEFT REAR SPEED SENSOR – ABS . . . . on LH rear wheel, above brake caliper
B6y . . . . FUEL SENSOR . . . . . . . . . . . . . . . . . . . . . . . . in fuel tank

B8y . . . .
PRESSURE SWITCH . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment



B9 . . . . . INTERMEDIATE PRESSURE SWITCH . . . front RH side of engine compartment
B10 . . . VEHICLE SPEED SENSOR . . . . . . . . . . . . . on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-1
B14 . . . EVAPORATOR TEMPERATURE SENSOR RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-2
B16 . . . LEFT FRONT BRAKE PAD SENSOR . . . . . on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04-2

B17 . . .

RIGHT REAR BRAKE PAD SENSOR . . . . .

behind RH rear wheel




B18 . . . BRAKE FLUID LEVEL SWITCH . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09-1


B21 . . .

ON–BOARD COMPUTER TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
in RH front bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


04-1

B21z . . TEMPERATURE SENSOR . . . . . . . . . . . . . . on front LH wheel well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-1
B28 . . . PITCH SENSOR (DWA) . . . . . . . . . . . . . . . . . in LH side of luggage compartment behind trim panel . . . . . . . . . . . . . . . . . . . . . . . 32-2
B59 . . . OIL TEMPERATURE GAUGE . . . . . . . . . . . center console

B74 . . .

TRANSVERSE ACCELERATION SENSOR

under driver’s seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15-2



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
S18 . . . HAZARD SWITCH . . . . . . . . . . . . . . . . . . . . . center console bottom

S20 . . .
RADIO ANTI–THEFT SWITCH (DWA) . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27-1

S20w . . RADIO ANTI–THEFT SWITCH . . . . . . . . . . center console (radio and console removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-1
S21w . . ENGINE HOOD SWITCH . . . . . . . . . . . . . . . near LH headlight assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1
S28 . . . CRUISE CONTROL SWITCH . . . . . . . . . . . . LH side of dash RH side of steering column above
S30 . . . BRAKE LIGHT SWITCH . . . . . . . . . . . . . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1

S31 . . .
PARK BRAKE SWITCH . . . . . . . . . . . . . . . . .
center console on rear of park brake lever



S32 . . . CLUTCH SWITCH . . . . . . . . . . . . . . . . . . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
S36 . . . TEMPERATURE SWITCH . . . . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-1
S38y . . TILT SUNROOF SWITCH . . . . . . . . . . . . . . . in roof panel
S47 . . . DRIVER’S DOOR LOCK SWITCH . . . . . . . . in driver’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-1

S49 . . .

PASSENGER’S DOOR LOCK SWITCH . . .

in passenger’s door






S51 . . .

DRIVER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LH front seat




S53 . . . DRIVER’S SEAT, SEAT HEATER SWITCH center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-1


S54 . . .

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


23-1



S56 . . .

PASSENGER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RH front seat




S58 . . . DRIVER’S SEAT BELT SWITCH . . . . . . . . . in LH front seat belt buckle
S59 . . . PASSENGER’S SEAT BELT SWITCH . . . . in RH front seat belt buckle
S75 . . . BLOWER SWITCH . . . . . . . . . . . . . . . . . . . . . center of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-3

S76 . . .

REAR WINDOW DEFOGGER SWITCH . . .

center console



X1658
X1653X1655
COMPONENT LOCATION VIEWS












A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
B74
TRANSVERSE AC-
CELERATION
SENSOR

X1764X1805X10170
R33
STEERING ANGLE
SENSOR


A9008
CRUISE CONTROL
INTERFACE
B75
RPM RATE
SENSOR