battery BMW Z3M COUPE 2000 E36 Electrical Troubleshooting Manual

                   
                                       
10/993234.02000
A2w
INSTRUMENT
CLUSTER
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM
CONTROL
MODULE
20
A113
SEAT
OCCUPANCY DE-
TECTOR 3234.0-01
F4115A
2112
F275AP90
FRONT POWER
DISTRIBUTION
BOX
34X74
X74
159
A104
BODY
ELECTRONICS
CONTROL
MODULE (ZKE IV)
8
G6
PASSENGER’S AIR
BAG GAS
GENERATOR
13 14
3234.0-01G5
DRIVER’S AIR BAG
GAS GENERATOR
C101
CONTACT RING
10 11
G14
LEFT SIDE AIR
BAG GAS
GENERATOR
16 17
3234.0-01G15
RIGHT SIDE AIR
BAG GAS
GENERATOR
18 19
3234.0-01G12
DRIVER’S SIDE
PYROTECHNICAL
BELT TENSIONER
12
3234.0-00G13
PASSENGER’S
SIDE
PYROTECHNICAL
BELT TENSIONER
34
3234.0-00
B78
DRIVER’S SIDE IM-
PACT SENSORB79
PASSENGER’S
SIDE IMPACT
SENSORS59
PASSENGER’S
SEAT BELT
SWITCHS58
DRIVER’S SEAT
BELT SWITCH
57
3234.0-02 3234.0-023234.0-033234.0-033234.0-03 3234.0-00
D100
DATA LINK
CONNECTOR 3234.0-00
3234.0-006
3234.0-000670.5
TXD
I1008
SEAT MAT 3234.0-01
F425A
33 4026 27
G19
BATTERY SAFETY
TERMINAL
49 50
3234.0-02
POWER
DISTRIBUTION
0670.2
G1
BATTERY
3234.0 SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)








Pin Assignments




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
30
Not used
31Not used
32Not used
33AAir bag II (+)Passenger’s air bag gas generator
34ACrash signalBody electronics control module (ZKE IV)
35Not used
36Not used
37Not used
38Not used
39Not used
40AAir bag II (–)Passenger’s air bag gas generator
41Not used
42Not used
43Not used
44Not used
45Not used
46Not used
47Not used
48Not used
49ABattery safety terminal (+)Battery safety terminal
50ABattery safety terminal (–)Battery safety terminal



SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)












X1614
FUSE DETAILS
0670.3
A2w
INSTRUMENT
CLUSTER
10) AIR BAG X16
23
.5 GE/SW.5 GE/BR
1 X7832
G5
DRIVER’S AIR BAG
GAS GENERATOR
C101
CONTACT RING
14
34
.35 BR/SW
6
GROUND
DISTRIBUTION
0670.4
5
FUSE DETAILS
0670.3 22P90
FRONT POWER
DISTRIBUTION BOX
10 11
F275A



7
.5 BR/VI
CA
X10018
F4115A
10
1 X9997
2
R
ABF+ ABF– 31THE DRIVER’S AND
PASSENGER’S
AND THE SIDE AIR
BAG GENERA-
TORS AND THE
PYROTECHNICAL
BELT TENSIONERS
AND THE BATTERY
SAFETY TERMINAL
ARE FITTED WITH
SHORTING
BRIDGES.THE BRIDGES SHORT
THE GENERATOR
LEADS TOGETHER TO
PREVENT UNINTEN-
TIONAL TRIGGERING
OF THE IGNITER
WHEN WORKING ON
THE AIR BAG SYSTEM.
X10017
X132537A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X74
AWL
G6
PASSENGER’S AIR
BAG GAS
GENERATOR
33 40
3 X7824 .5 WS/SW
.5 WS/BR.5 BL.5 BR
1 X17702
G19
BATTERY SAFETY
TERMINAL
49 50
1 X104672 .5 BL.5 BR
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
X74
.5 GR/SW.5 GR/BR
34
26 27
34
ABF2+ ABF2–
13 14
12 .5 BL/SW
.5 BL/BR
G1
BATTERY
ABBF2+ ABBF2–ABBF+ ABBF–BPT+ BPT–
POWER
DISTRIBUTION
0670.2
50 RT
Z3 ROADSTER
LATE PRODUCTION7.5A
50 RT

.5 RT.5 SW.5 RT.5 SW
910X275910X279


SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)
SIDE AIR BAG












A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
.35 WS/BL
20
G14
LEFT SIDE AIR BAG
GAS GENERATOR
16 17
.5 BL .5 BR
1
B78
DRIVER’S SIDE IM-
PACT SENSOR
.5 GE
33
B79
PASSENGER’S
SIDE IMPACT
SENSOR
1X1885
GROUND
DISTRIBUTION
0670.4
25 26
.5 BR
12
G15
RIGHT SIDE AIR
BAG GAS
GENERATOR
1819
.5 GE .5 BR
25 26
.5 BR
12
.5 BLX257
X1883
X256
X1884
X1886
GROUND
DISTRIBUTION
0670.4
21 .35 WS/GE
X1441
THE DRIVER’S AND
PASSENGER’S AND
THE SIDE AIR BAG
GENERATORS AND
THE
PYROTECHNICAL
BELT TENSIONERS
AND THE BATTERY
SAFETY TERMINAL
ARE FITTED WITH
SHORTING
BRIDGES.
.5 GE/RT
G12
DRIVER’S SIDE
PYROTECHNICAL
BELT TENSIONER
12
.5 GE/RT .5 GE/BR
12
.5 GE/BR
1 2
X10214
X10216
THE BRIDGES SHORT
THE GENERATOR
LEADS TOGETHER TO
PREVENT UNINTEN-
TIONAL TRIGGERING
OF THE IGNITER
WHEN WORKING ON
THE AIR BAG SYSTEM.
X1441
.5 GE/RT
G13
PASSENGER’S
SIDE
PYROTECHNICAL
BELT TENSIONER
34
.5 BL/RT .5 BR
12
.5 GE/BR
21
X10215
X10217
X74
DATA LINK
0670.5
X749
.5 WS/VI
Z3 ROADSTER
LATE PRODUCTION







Pin Assignments




E = Input, A = Output, M = Ground
X17
Pin Type Description/Function Connection
1
ETrailer turn signal indicator controlHazard flasher relay (Z3 Versions Early
Production)
2AVehicle speed signalVarious control modules
3MGround supply, terminal 31 for indicator and
warning lampsGround point
4EVoltage supply, terminal 15 for instrument
cluster electronicsFront power distribution box, fuse 23
5EVoltage supply, terminal 15 for battery
charge indicatorIgnition switch, terminal 15 (M Versions)
6EGround supply, terminal 61 for battery
charge indicatorGenerator
7Not used
8EFog light indicator controlFront power distribution box, fuse 15
(Z3 Versions)
9ASound tone signalChime module
10not used
11ESlip control system warning lamp (ABS)
controlSlip control module (ABS/ASC)
(M Versions)
12EASC signalASC control module (M Versions)
13ATI-measurement signal (fuel consumption)Engine control module (DME) (M Versions)
14ESeat belt warning lamp controlDriver’s seat belt switch
15ESIA reset/service interval indicator resetData link connector
16EVoltage supply, terminal RFront power distribution box, fuse 46
17ACoolant temperature sensor (–)Coolant temperature sensor (M Versions)
18ECoolant temperature sensor (+)Coolant temperature sensor (M Versions)
19EOil pressure warning lamp controlOil pressure switch (M Versions)
Engine control module (Z3 Versions)
20Not used
21MGround (ASC)Ground point (M Versions)
21EABS warning lamp (ABS)Slip control module (ABS/ASC)
(Z3 Versions)



COMPONENT LOCATION CHART












COMP.8500.0 7100.0LOCATION DESCRIPTION
F97 . . . FUSIBLE LINK . . . . . . . . . . . . . . . . . . . . . . . . . in RH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1

G1 . . .
BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
in RH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
01-1

G5 . . . DRIVER’S AIR BAG GAS GENERATOR . . behind steering wheel


G6 . . .

PASSENGER’S AIR BAG GAS
GENERATOR . . . . . . . . . . . . . . . . . . . . . . .
behind glove box above






G12 . .

DRIVER’S SIDE PYROTECHNICAL BELT
TENSIONER . . . . . . . . . . . . . . . . . . . . . . . .
in LH front seat belt buckle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36-2




G13 . .

PASSENGER’S SIDE PYROTECHNICAL
BELT TENSIONER . . . . . . . . . . . . . . . . . . .
in RH front seat belt buckle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36-2


G14 . . LEFT SIDE AIR BAG GAS GENERATOR . LH front door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-2
G15 . . RIGHT SIDE AIR BAG GAS GENERATOR RH front door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-2
G19 . . BATTERY SAFETY TERMINAL . . . . . . . . . . RH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-3

G6400
B+ JUNCTION POINT E–BOX . . . . . . . . . . .
rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
48-3

G6430 B+ JUMP START JUNCTION POINT . . . . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-2
G6509 GENERATOR . . . . . . . . . . . . . . . . . . . . . . . . . . front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-3
G7512 B+ JUNCTION POINT . . . . . . . . . . . . . . . . . . below LH side of dash
H1w . . ANTI–THEFT HORN (ALPINE) . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09-1

H2 . . .
LEFT HORN . . . . . . . . . . . . . . . . . . . . . . . . . . .
under LH front bumper



H3 . . . RIGHT HORN . . . . . . . . . . . . . . . . . . . . . . . . . RH front of wheel well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2
H4 . . . RIGHT FRONT TURN LIGHT . . . . . . . . . . . . front of vehicle
H7 . . . LEFT FRONT TURN LIGHT . . . . . . . . . . . . . front of vehicle
H8 . . . RIGHT FRONT AUXILIARY TURN LIGHT . front of vehicle

H9 . . .

LEFT FRONT AUXILIARY TURN LIGHT . .

front of vehicle



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION
S8503 PROGRAM SWITCH . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-1

S8507
KICK–DOWN SWITCH . . . . . . . . . . . . . . . . .
behind gas pedal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19-3

S8511 REVERSING LIGHT SWITCH . . . . . . . . . . . LH side of transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-2
T6151 CYL. 1 IGNITION COIL . . . . . . . . . . . . . . . . . RH side of engine compartment
T6152 CYL. 2 IGNITION COIL . . . . . . . . . . . . . . . . . RH side of engine compartment
T6153 CYL. 3 IGNITION COIL . . . . . . . . . . . . . . . . . RH side of engine compartment

T6154
CYL. 4 IGNITION COIL . . . . . . . . . . . . . . . . .
RH side of engine compartment



T6155 CYL. 5 IGNITION COIL . . . . . . . . . . . . . . . . . RH side of engine compartment
T6156 CYL. 6 IGNITION COIL . . . . . . . . . . . . . . . . . RH side of engine compartment
V9 . . . . UNCOUPLING DIODE (LIGHTS) . . . . . . . . . rear LH side of engine compartment in Power Distribution Box
V10 . . UNCOUPLING DIODE (LIGHTS) . . . . . . . . . rear LH side of engine compartment in Power Distribution Box

X0 . . . .

B+ JUNCTION POINT . . . . . . . . . . . . . . . . . .

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

02-1


X2 . . . . BATTERY B+ START POINT . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box (M VERSIONS)
X2 . . . . BATTERY B+ START POINT . . . . . . . . . . . . in RH side of luggage compartment (Z3 VERSIONS)
X4 . . . . GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LH side of engine compartment

X8 . . . .
CABLE SOCKET B+ . . . . . . . . . . . . . . . . . . . .
in RH side of luggage compartment



X9 . . . . CABLE SOCKET B+ . . . . . . . . . . . . . . . . . . . . below LH side of dash
X16 . . (26 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . LH side of dash rear side of instrument cluster, A2w . . . . . . . . . . . . . . . . . . . . . . . . . . 20-2 00-3
X17 . . (26 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . . LH side of dash rear side of instrument cluster, A2w . . . . . . . . . . . . . . . . . . . . . . . . . . 20-2 00-3
X20 . . (25 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-1 04-4
X22 . .

(26 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . .

behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

00-2

00-3
X32 . . (12 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . on steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-2 02-4

E17
RIGHT REAR LIGHT
ASSEMBLY


G19
BATTERY SAFETY
TERMINAL
X10467
COMPONENT LOCATION VIEWS












F97
FUSIBLE LINK
G6430
B+ JUMP START
JUNCTION POINTG1
BATTERY
P99
FUSE HOLDER
X318