belt BMW Z3M COUPE 2001 E36 Electrical Troubleshooting Manual

INDEX














PRESSURE SWITCH, B9508 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE SWITCH, B9508 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE TRANSMITTER, Y16z 3452.1-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURE TRANSMITTER, Y16z 3452.2-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
PYROTECHNICAL BELT TENSIONER, DRIVER’S SIDE, G12 3234.0-01. . .
PYROTECHNICAL BELT TENSIONER, PASSENGER’S SIDE,
G13 3234.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIO ANTI–THEFT SWITCH (DWA), S20 6575.0-01. . . . . . . . . . . . . . . . . . .
RADIO ANTI–THEFT SWITCH, S20w 6575.2-00. . . . . . . . . . . . . . . . . . . . . . . .
RADIO, N9 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIO/HIFI 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REMOTE CONTROL MODULE, A194y 6610.2-00. . . . . . . . . . . . . . . . . . . . . . .
REMOTE CONTROL ZV/DWA 6610.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RESISTOR, R8554 1210.26-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REVERSING LIGHT RELAY, K6325 2460.14-04. . . . . . . . . . . . . . . . . . . . . . . .
REVERSING LIGHT RELAY, K6325 6322.0-00. . . . . . . . . . . . . . . . . . . . . . . . . .
REVERSING LIGHT SWITCH, S8511 6322.0-00. . . . . . . . . . . . . . . . . . . . . . . . .
RPM RATE SENSOR, B75 3452.1-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RPM RATE SENSOR, B75 3452.2-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEATBACK HEATER, DRIVER’S, E56 5203.0-00. . . . . . . . . . . . . . . . . . . . . . . .
SEATBACK HEATER, PASSENGER’S, E59 5203.0-00. . . . . . . . . . . . . . . . . . .
SEAT BELT SWITCH, DRIVER’S, S58 3234.0-02. . . . . . . . . . . . . . . . . . . . . . . .
SEAT BELT SWITCH, PASSENGER’S, S59 3234.0-02. . . . . . . . . . . . . . . . . . .
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 5200.0-00. . . . . . . . . . . . . .
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 5200.0-02. . . . . . . . . . . . . .
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 5200.0-01. . . . . . . . .
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 5200.0-03. . . . . . . . .
SEAT HEATER SWITCH, DRIVER’S SEAT, S53 5203.0-00. . . . . . . . . . . . . . .
SEAT HEATER SWITCH, PASSENGER’S SEAT, S54 5203.0-00. . . . . . . . . . .
SEAT HEATER, DRIVER’S, E57 5203.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT HEATER, PASSENGER’S, E58 5203.0-00. . . . . . . . . . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, DRIVER’S, M52 5200.0-00. . . . . . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, DRIVER’S, M52 5200.0-02. . . . . . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, PASSENGER’S, M59 5200.0-01. . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, PASSENGER’S, M59 5200.0-03. . . . . . . . . . . . . . . . . SEAT LENGTH ADJUST CUT–OFF RELAY, DRIVER’S, K921 5200.0-02. . .
SEAT LENGTH ADJUST CUT–OFF RELAY, PASSENGER’S,
K911 5200.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT LIMIT SWITCH, DRIVER’S, S910 5200.0-02. . . . . . . . . . . . . . . . . . . . . . .
SEAT LIMIT SWITCH, PASSENGER’S, S911 5200.0-03. . . . . . . . . . . . . . . . . .
SEAT MAT, I1008 3234.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, DRIVER’S, M51 5200.0-00. . . . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, DRIVER’S, M51 5200.0-02. . . . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 5200.0-01. . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 5200.0-03. . . . . . . . . . . . .
SEAT OCCUPANCY DETECTOR, A113 3234.0-03. . . . . . . . . . . . . . . . . . . . . . .
SEAT TILT ADJUST CUT–OFF RELAY, DRIVER’S, K920 5200.0-02. . . . . . .
SEAT TILT ADJUST CUT–OFF RELAY, PASSENGER’S, K910 5200.0-03. . .
SECONDARY AIR PUMP RELAY, K6304 1210.26-04. . . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP RELAY, K6304 1210.27-09. . . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP VALVE, Y6163 1210.26-03. . . . . . . . . . . . . . . . . . . .
SHIFT–LOCK, Y19 2460.14-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SIDE IMPACT SENSOR, DRIVER’S, B78 3234.0-01. . . . . . . . . . . . . . . . . . . . .
SIDE IMPACT SENSOR, PASSENGER’S, B79 3234.0-01. . . . . . . . . . . . . . . .
SLIP CONTROL (ABS/ASC) 3450.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SLIP CONTROL MODULE (ABS/ASC), A52 3450.1. . . . . . . . . . . . . . . . . . . . .
SOLENOID VALVE, SUCKING JET PUMP, Y6165 1210.27-05. . . . . . . . . . . .
SPEAKER, LEFT REAR, H46 6510.1-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPEAKER, RIGHT REAR, H45 6510.1-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3450.1-02. . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3452.1-05. . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3452.2-05. . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3450.1-02. . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3452.1-05. . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3452.2-05. . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3450.1-02. . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3452.1-05. . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3452.2-05. . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT REAR, B3 3450.1-02. . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT REAR, B3 3452.1-05. . . . . . . . . . . . . . . . . . .



X745
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
FUSES 40 AND 41
FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
X536
K22
HIGH SPEED
RELAY 4 RT/GN
2022
X102181
A113
SEAT OCCUPANCY
DETECTOR X10018
.75 VI/BL








.5 VI/BL



6450.63234.03234.0
F4030AF417.5A
X2755
S58
DRIVER’S SEAT
BELT SWITCH
X1264
.5 VI/BL
3234.0.5 VI/BL
5
S59
PASSENGER’S
SEAT BELT SWITCH
3234.0 .5 VI/BL
X27917
.5 VI/BL Z3 VERSIONS

N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)


GROUND DISTRIBUTION
GROUND X10010











X10010
X102456A35y
BOARD
COMPUTER
(BC – LOW)
.5 BR/OR
X1624A2w
INSTRUMENT
CLUSTER
X13011
X10009
X2798
X102182A113
SEAT OCCUPANCY
DETECTORS59
PASSENGER’S
SEAT BELT
SWITCH
X101825A104
BODY ELECTRONICS
CONTROL MODULE
(ZKE IV)
.75 BR/
OR.5 BR/OR
X190071A19007
THERMAL OIL LEVEL
SENSOR (TOENS)
CONTROL MODULE
.5 BR/OR
1 BR/OR .5 BR/OR
X111431S32
CLUTCH
SWITCH
.5 BR/OR
X658N17
CRASH
CONTROL
MODULE
X64591
X7702B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
.5 BR/OR
X195275 D110
OBD II
CONNECTOR
.5 BR/OR .5 BR/OR
1 BR/OR .75 BR/OR .5 BR/OR
1.5 BR/OR
X130253
X27919
.5 BR/SW
X2758
S58
DRIVER’S SEAT
BELT SWITCH
.5 BR/OR
X1211S32
CLUTCH
SWITCH M VERSIONS
.35 BR/ORZ3 VERSIONS
X135789A3984
OIL–/OUTSIDE
TEMPERATURE GAUGE
CONTROL MODULE
.5 BR/
OR M VERSIONS
X1313910A194y
REMOTE
CONTROL
MODULE
Z3 VERSIONS
LATE PRODUCTION
.5 BR/OR
Z3 VERSIONS Z3 VERSIONS
X1313910A22z
ELECTRO-
CHROMIC REAR
VIEW MIRROR
.5 BR/ORM VERSIONS







A2w
INSTRUMENT
CLUSTER
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
20
A113
SEAT OCCUPANCY
DETECTOR 3234.0-03
F417.5A
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
3234.0-00G5
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
3234.0-01G13
PASSENGER’S
SIDE
PYROTECHNICAL
BELT TENSIONER
34
3234.0-01
B78
DRIVER’S SIDE IM-
PACT SENSORB79
PASSENGER’S
SIDE IMPACT
SENSORS59
PASSENGER’S
SEAT BELT SWITCHS58
DRIVER’S SEAT
BELT SWITCH
57
3234.0-01 3234.0-013234.0-023234.0-023234.0-03 3234.0-00
D100
DATA LINK
CONNECTOR 3234.0-00
3234.0-006
3234.0-000670.5
TXD
I1008
SEAT MAT 3234.0-03
33 4026 27
G19
BATTERY SAFETY
TERMINAL
49 50
3234.0-00
POWER
DISTRIBUTION
0670.2
G1
BATTERY
3234.0 SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)







Pin Assignments




E = Input, A = Output, M = Ground
X74
Pin Type Description/Function Connection
1
APyrotechnical belt tensioner (+)Driver’s side pyrotechnical belt tensioner
2APyrotechnical belt tensioner (–)Driver’s side pyrotechnical belt tensioner
3APyrotechnical belt tensioner (+)Passenger’s side pyrotechnical belt
tensioner
4APyrotechnical belt tensioner (–)Passenger’s side pyrotechnical belt
tensioner
5EPower supplyFront power distribution box, fuse 41
6MGroundGround point
7AAir bag warning indicatorInstrument cluster
8EBelt switchPassenger’s seat belt switch
9E/ATxD diagnostic data lineData link connector
10AAir bag (+)Driver’s air bag gas generator
11AAir bag (–)Driver’s air bag gas generator
12EBelt switchDriver’s seat belt switch
13AAir bag (+)Passenger’s air bag gas generator
14AAir bag (–)Passenger’s air bag gas generator
15ESeat occupancy detectorSeat occupancy detector
16AGas generatorGas generator, left side air bag
17AGas generatorGas generator, left side air bag
18AGas generatorGas generator, right side air bag
19AGas generatorGas generator, right side air bag
20EImpact sensorDriver’s side impact sensor
21EImpact sensorPassenger’s side impact sensor
22Not used
23Not used
24Not used
25Not used
26AAir bag II (+)Driver’s air bag gas generator
27AAir bag II (–)Driver’s air bag gas generator
28Not used
29Not used



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
F417.5A
10
1 X9997
2
R
ABF+ ABF– 31THE 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.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
50 RT

.5 BL.5 GE


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 RT
G12
DRIVER’S SIDE
PYROTECHNICAL
BELT TENSIONER
12
.5 GE/RT .5 GE/BR
910
.5 SW
1 2
X275
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 RT
G13
PASSENGER’S
SIDE
PYROTECHNICAL
BELT TENSIONER
34
.5 BL/RT .5 BL/BR
910
.5 SW
21
X279
X10217
X74
DATA LINK
0670.5
X749
.5 WS/VI
LATE PRODUCTION

5
12


SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)











6
FUSE DETAILS
0670.3 14




X10017
F275A
X1714
.5 BL/VI/GE
8
GROUND
DISTRIBUTION
0670.4
X275
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
A2w
INSTRUMENT
CLUSTER
5
FUSE DETAILS
0670.3 22P90
FRONT POWER
DISTRIBUTION BOX
X10018
F417.5A
X2757
S58
DRIVER’S SEAT
BELT SWITCH




7
GROUND
DISTRIBUTION
0670.4
X279
X2798
S59
PASSENGER’S
SEAT BELT SWITCH
X748
.5 BR/GN/WS .5 BL/WS/GE 23 X16

CA614







A4
F235A
K16
HAZARD FLASHER
RELAY S7
COMBINATION
SWITCH
F315A
P90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER F27
5A
1
B10
VEHICLE SPEED
SENSOR 6211.0-02
G6509
GENERATOR D+ F46
15A
22231616312.034
A51
WIPER/WASHER
MODULE 6211.0-00
A18
HIFI AMPLIFIER6211.0-00
6211.0-00A35y
BOARD
COMPUTER
(BC – LOW) 6211.0-00
2
B6y
FUEL SENSOR 6211.0-02
3417
S31
PARK BRAKE
SWITCH 6211.0-0318
B18
BRAKE FLUID
LEVEL SWITCH 6211.0-03919
B17
RIGHT REAR
BRAKE PAD
SENSOR B16
LEFT FRONT
BRAKE PAD
SENSOR
243
6211.0-01 6211.0-01A
A= X16B= X17C= X271
S14
DRIVER’S DOOR
JAMB SWITCH
23
6211.0-01
S2
IGNITION SWITCH 6211.0-01
22B
S58
DRIVER’S SEAT
BELT SWITCH 6211.0-01
A
14
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE 6211.0-00
6313.0-03
S8
LIGHT SWITCH
6300.0
A
12
TXD
215
F1515A
8
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY 6211.0-03
6A6000
ENGINE CONTROL
MODULE (DME)
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE 6211.0-04
97
B9508
PRESSURE
SWITCH 6450.6-03
A35y
BOARD
COMPUTER
(BC – LOW) 6211.0-04
25
B6231
OIL PRESSURE
SWITCH 6211.0-05
19
A52
SLIP CONTROL
MODULE (ABS/ASC)
A65
DYNAMIC STABILITY
CONTROL UNIT
(DSC)
2176
A6000
ENGINE CONTROL
MODULE (DME) N9
RADIO
D100
DATA LINK
CONNECTORNSWP90
FRONT POWER
DISTRIBUTION BOX
BBCB
BBA
HARMAN KARDON
SOUND SYSTEM6312.0
6211.0-05
6211.0-03
A6000
ENGINE CONTROL
MODULE (DME) 1230.0
M VERSIONS Z3 VERSIONS
M VERSIONS Z3 VERSIONS
1
A6000
ENGINE CONTROL
MODULE (DME) 6211.0-05
S555
TYRE PRESSURE
WARNING SYSTEM
(RDW) PUSH-
BUTTON
H10
CHIME MODULE 6211.0-00
6211.0-05 B
1230.0
M VERSIONS
A6000
ENGINE CONTROL
MODULE (DME)
M VERSIONS Z3 VERSIONS
M VERSIONS Z3 VERSIONS
6211.0-05
6211.0-04
6211.0-05
B6254
THERMAL OIL
LEVEL SWITCH 6211.0-05
M VERSIONS Z3 VERSIONS
M VERSIONS Z3 VERSIONS
6211.0-04
6211.0-04
A3984
OIL–/OUTSIDE
TEMPERATURE
GAUGE
CONTROL
MODULE 6211.0-00
M VERSIONS Z3 VERSIONS
6211.0 INSTRUMENT CLUSTER






Pin Assignments




E = Input, A = Output, M = Ground
X17
Pin Type Description/Function Connection
1
ETire pressure warning lamp controlEngine control module (DME) (M Versions)
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
5Not used
6EGround supply, terminal 61 for battery
charge indicatorGenerator (Z3 Versions)
Engine control module (DME) (M Versions)
7Not used
8EFog light indicator controlFront power distribution box, fuse 15
9ASound tone signalChime module
10Not used
11Not used
12Not used
13Not used
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
17Not used
18Not used
19EOil pressure warning lamp controlOil pressure switch (Z3 Versions)
Engine control module (DME) (M Versions)
20Not used
21EABS warning lamp (ABS)ABS/ASC/DSC control module
22EIgnition key warning/audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch
24Not used
25EFuel consumption signalBoard computer (Z3 Versions)
26Not used