heating BMW Z3M COUPE 2001 E36 Electrical Troubleshooting Manual
Page 3 of 367
6312.0 HEADLIGHTS/FOG LIGHTS
6313.0 TURN/HAZARD LIGHTS 6314.0 PARK/TAIL/UNDERHOOD LIGHTS
6320.0
LICENSE PLATE/LUGGAGE
COMPARTMENT LIGHTS
6322.0 BACK UP LIGHTS
6325.0 BRAKE LIGHTS
6330.3 INTERIOR LIGHTS 6332.0 INTERIOR ACCESSORIES 6350.0 CRASH CONTROL MODULE 6424.0 REAR WINDOW DEFOGGER
6450.6
INTEGRATED HEATING– AND
CLIMATE CONTROL
6510.1 RADIO/HIFI
6561.0 CELLULAR TELEPHONE
(PROVISIONS)
6571.0 CRUISE CONTROL (TEMPOMAT)
6575.0 ANTI–THEFT SYSTEM (DWA)
6575.2 ANTI–THEFT SYSTEM (ALPINE)
6581.3 BOARD COMPUTER (BC – LOW)
6610.2 REMOTE CONTROL ZV/DWA 7000.0 COMPONENT LOCATION CHART 7100.0 COMPONENT LOCATION VIEWS 8000.0 SPLICE LOCATION VIEWS
8500.0 CONNECTOR VIEWS
Page 7 of 367
INDEX
HIGH LEVEL STOP LIGHT, H34 6325.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIGH RANGE SPEAKER, LEFT FRONT, H59 6510.1. . . . . . . . . . . . . . . . . . .
HIGH RANGE SPEAKER, LEFT REAR, H56 6510.1-03. . . . . . . . . . . . . . . . . .
HIGH RANGE SPEAKER, RIGHT FRONT, H50 6510.1. . . . . . . . . . . . . . . . . .
HIGH RANGE SPEAKER, RIGHT REAR, H53 6510.1-03. . . . . . . . . . . . . . . . .
HIGH SPEED RELAY, K22 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIGH SPEED RELAY, K22 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN RELAY, K2 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN SWITCH, S4 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN, LEFT, H2 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN, RIGHT, H3 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HOT FILM AIR MASS METER, B6207 1210.26-05. . . . . . . . . . . . . . . . . . . . . .
HOT FILM AIR MASS METER, B6207 1210.27-04. . . . . . . . . . . . . . . . . . . . . .
IDLE SPEED CONTROL VALVE, Y6130 1210.26-03. . . . . . . . . . . . . . . . . . . .
IDLE SPEED CONTROL VALVE, Y6130 1210.27-05. . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 1, T6151 1210.26-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 1, T6151 1210.27-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 2, T6152 1210.26-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 2, T6152 1210.27-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 3, T6153 1210.26-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 3, T6153 1210.27-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 4, T6154 1210.26-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 4, T6154 1210.27-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 5, T6155 1210.26-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 5, T6155 1210.27-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 6, T6156 1210.26-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 6, T6156 1210.27-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION SWITCH, S2 0670.2-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION SWITCH, S2 0670.2-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION SWITCH, S2 0670.2-08. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INDEX 0100.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INJECTION VALVES RELAY, K6327 1210.26-02. . . . . . . . . . . . . . . . . . . . . . . .
INJECTION VALVES RELAY, K6327 1210.27-02. . . . . . . . . . . . . . . . . . . . . . . .
INSTRUMENT CLUSTER 6211.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INSTRUMENT CLUSTER, A2w 6211.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTAKE AIR TEMPERATURE SENSOR, B6205 1210.26-07. . . . . . . . . . . . . .
INTEGRATED HEATING– AND CLIMATE CONTROL 6450.6. . . . . . . . . . . . .
INTERIOR ACCESSORIES 6332.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTERIOR LIGHT SWITCH, S408 6330.3-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTERIOR LIGHTS 6330.3-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTERIOR LIGHT, LEFT FRONT, E800 6330.3-00. . . . . . . . . . . . . . . . . . . . . . .
INTERMEDIATE PRESSURE SWITCH, B9 6450.6-03. . . . . . . . . . . . . . . . . . . .
INTERMEDIATE PRESSURE SWITCH, B9 6450.6-07. . . . . . . . . . . . . . . . . . . .
INTRODUCTION 0110.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
JET HEATER THERMOSWITCH, S198 6169.0-00. . . . . . . . . . . . . . . . . . . . . . .
KNOCK SENSOR, CYL. 1–2, B6241 1210.27-06. . . . . . . . . . . . . . . . . . . . . . . .
KNOCK SENSOR, CYL. 3–4, B6242 1210.27-06. . . . . . . . . . . . . . . . . . . . . . . .
KNOCK SENSOR, CYL. 5–6, B6243 1210.27-06. . . . . . . . . . . . . . . . . . . . . . . .
LEAKAGE DIAGNOSIS PUMP, M119 1210.26-04. . . . . . . . . . . . . . . . . . . . . . .
LEAKAGE DIAGNOSIS PUMP, M119 1210.27-09. . . . . . . . . . . . . . . . . . . . . . .
LICENSE PLATE LIGHT, LEFT, E43 6320.0-01. . . . . . . . . . . . . . . . . . . . . . . . . .
LICENSE PLATE LIGHT, LEFT, E43 6320.0-02. . . . . . . . . . . . . . . . . . . . . . . . . .
LICENSE PLATE LIGHT, RIGHT, E44 6320.0-01. . . . . . . . . . . . . . . . . . . . . . . . .
LICENSE PLATE LIGHT, RIGHT, E44 6320.0-02. . . . . . . . . . . . . . . . . . . . . . . . .
LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS 6320.0-00. . . . . . . .
LID MICRO SWITCH, FRONT, S825 6575.0-01. . . . . . . . . . . . . . . . . . . . . . . . . .
LIGHT ASSEMBLY, LEFT REAR, E16 0670.4-13. . . . . . . . . . . . . . . . . . . . . . . .
LIGHT ASSEMBLY, RIGHT REAR, E17 0670.4-13. . . . . . . . . . . . . . . . . . . . . . .
LIGHT SWITCH DETAILS 6300.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LIGHT SWITCH, S8 6300.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW BEAM LIGHT RELAY, K48 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW BEAM LIGHT RELAY, K48 6312.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW BEAM LIGHT, LEFT, E13 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW BEAM LIGHT, LEFT, E13 6312.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW BEAM LIGHT, RIGHT, E14 6312.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW BEAM LIGHT, RIGHT, E14 6312.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW RANGE SPEAKER, LEFT FRONT, H58 6510.1. . . . . . . . . . . . . . . . . . . .
LOW RANGE SPEAKER, RIGHT FRONT, H51 6510.1. . . . . . . . . . . . . . . . . .
LUGGAGE COMPARTMENT LID LOCKING SWITCH, S117 5126.0-05. . . . .
Page 14 of 367
CIRCUIT BREAKERVARIABLE RESISTANCE
SENSOR VARIABLE CONTACT
IS MOVED BY AN EXTERNAL
FORCE
VARIABLE RESISTOR RESIS-
TANCE IS CHANGED BY
TEMPERATURE OR PRESSURE
DIODE CURRENT CAN
FLOW ONLY IN DIREC-
TION OF ARROW
ZENER DIODE TO
REGULATE VOLTAGE
LIGHT EMITTING
DIODE (LED) PERMANENT MAGNET
MOTOR ONE SPEED
PERMANENT MAGNET
MOTOR TWO SPEEDS
SOLENOID
SOLENOID CONTROLLED
VALVE OR CLUTCH SOLENOIDTRANSISTORIZED
SWITCH HEATING ELEMENT
OXYGEN SENSORCONTROL/POWER
ELECTRONICS
RADIO LOUDSPEAKER OR
HORN
LIGHT BATTERY
FUSIBLE LINK
FUSE DETAILS
INDUCTIVE
SENSOR
KNOCK SENSOR
31
VEHICLE SPEED
SENSOR
THERMO SWITCH
HALL EFFECT
SENSOR
ANTENNA
0140.0 SYMBOLS
Page 23 of 367
15A
6312.0
FUSE CHART
FUSES 1 TO 29
FUSE NUMBER
6313.0
6314.0
6320.0
6322.0TURN/HAZARD LIGHTS
BACK UP LIGHTS LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS PARK/TAIL/UNDERHOOD LIGHTS
6332.0INTERIOR ACCESSORIES
6424.0REAR WINDOW DEFOGGER
6450.6
6561.0INTEGRATED HEATING– AND CLIMATE CONTROL
CELLULAR TELEPHONE (PROVISIONS) 6350.0CRASH CONTROL MODULE 6330.3INTERIOR LIGHTS 6325.0BRAKE LIGHTS HEADLIGHTS/FOG LIGHTS
6510.1RADIO/HIFI
6300.0LIGHT SWITCH DETAILS
6211.0INSTRUMENT CLUSTER
12345 10 206 7 8 9 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29
30A 30A 15A 30A 20A 5A 30A 7.5A 5A20A*
15A
5A 5A 5A 10A 7.5A 20A 15A 30A 5A 5A5A 30A5a*
15A
10A 30A 7.5A
6213.1ANALOG CLOCK
* M VERSIONS
6160.1WIPER/WASHER MODULE (WWM)
6169.0WINDSHIELD WASHER JET HEATERS
6167.1HEADLIGHT WASHER (SRA)
6135.1DRIVE–AWAY PROTECTION (EWS III)
Page 26 of 367
FUSE CHART
FUSES 30 TO 205
FUSE NUMBER
39
7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 7.5A 15A 7.5A 15A30A 10A
40
38 37 36 35
5A30A
20A
30A
30A
30A 30A 30A
30A
6313.0
6314.0
6320.0
6322.0TURN/HAZARD LIGHTS
BACK UP LIGHTS LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS PARK/TAIL/UNDERHOOD LIGHTS
6332.0INTERIOR ACCESSORIES
6424.0REAR WINDOW DEFOGGER
6450.6
6561.0
6571.0CRUISE CONTROL (TEMPOMAT) INTEGRATED HEATING– AND CLIMATE CONTROL
CELLULAR TELEPHONE (PROVISIONS) 6350.0CRASH CONTROL MODULE 6330.3INTERIOR LIGHTS 6325.0BRAKE LIGHTS 6312.0HEADLIGHTS/FOG LIGHTS
6510.1RADIO/HIFI
6300.0LIGHT SWITCH DETAILS
6211.0INSTRUMENT CLUSTER
6213.1ANALOG CLOCK
6135.1DRIVE–AWAY PROTECTION (EWS III)
6160.1WIPER/WASHER MODULE (WWM)
6169.0WINDSHIELD WASHER JET HEATERS 6167.1HEADLIGHT WASHER (SRA)
40A
30A
Page 84 of 367
Pin Assignments (Z3 Versions)
E = Input, A = Output, M = GroundA = X60001
9 Pins, black
B = X6000224 Pins, black
C = X6000352 Pins, black
D = X6000440 Pins, black
E = X600059 Pins, black
X60001
Pin Type Signal Description/Function Connection
1
A15Activate relayRelay, injection valves
2Not used
3Not used
4M31EGroundGround point
5M31LGroundGround point
6M31LGroundGround point
7E30Voltage supplyB+ junction point E-box
8EU_HR<2Voltage supplyFuse holder in E-box, fuse F202
9Not used
X60002
Pin Type Signal Description/Function Connection
1
MT_LHV1Oxygen sensor heating groundOxygen sensor 1 (in front of
catalytic converter)
2Not used
3E/AD_CAN-LCAN bus lowTransmission control module (EGS)
4E/AD_CAN-HCAN bus highTransmission control module (EGS)
5Not used
6E/AD_TXD2DiagnosisTransmission control module (EGS)
7MT_LHH1Oxygen sensor heating groundOxygen sensor 1 (behind catalytic
converter)
8Not used
Page 85 of 367
Pin Assignments (Z3 Versions)
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
9
Not used
10Not used
11Not used
12Not used
13MT_LHV2Oxygen sensor heating groundOxygen sensor 2 (in front of
catalytic converter)
14EA_LSV1Sensor signalOxygen sensor 1 (in front of
catalytic converter)
15EA_LSV2Sensor signalOxygen sensor 2 (in front of
catalytic converter)
16EA_LSH1Sensor signalOxygen sensor 1 (behind catalytic
converter)
17Not used
18EA_LSH2Sensor signalOxygen sensor 2 (behind catalytic
converter)
19MT_LHH2Oxygen sensor heating groundOxygen sensor 2 (behind catalytic
converter)
20MM_LSV1Signal groundOxygen sensor 1 (in front of
catalytic converter)
21MM_LSV2Signal groundOxygen sensor 2 (in front of
catalytic converter)
22MM_LSH1Signal groundOxygen sensor 1 (behind catalytic
converter)
23AS_HRActivate relayEngine control module relay
24MM_LSH2Signal groundOxygen sensor 2 (behind catalytic
converter)
X60003
Pin Type Signal Description/Function Connection
1
EA_HFMSignal air mass meterHot film air mass meter
2EP_NWGA1Signal camshaft positionCamshaft position sensor 2 (outlet)
3Not used
4Not used
Page 101 of 367
Pin Assignments (M Versions)
E = Input, A = Output, M = GroundF = X60001
9 Pins, black
G = X6000224 Pins, black
H = X6000352 Pins, black
I = X6000440 Pins, black
J = X600059 Pins, black
X60001
Pin Type Signal Description/Function Connection
1
A15Activate relayRelay, injection valves
2AP_DKSM+Voltage supplyElectric throttle motor
3Not used
4M31EGroundGround point
5M31LGroundGround point
6M31LGroundGround point
7E30Voltage supplyB+ junction point E-box
8EU_HR<2Voltage supplyFuse holder in E-box, fuse F202
9MP_DKSM–GroundElectric throttle motor
X60002
Pin Type Signal Description/Function Connection
1
MT_LHV1Oxygen sensor heating groundOxygen sensor 1 (in front of
catalytic converter)
2Not used
3Not used
4Not used
5MM_CANGroundOxygen sensors, exhaust
temperature sensor
6Not used
7MT_LHH1Oxygen sensor heating groundOxygen sensor 1 (behind catalytic
converter)
8Not used
Page 102 of 367
Pin Assignments (M Versions)
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
9
Not used
10EA_TABGASTemperature signalExhaust temperature sensor
11AA_PEKPActivate relayElectrical fuel pump relay, timed
12AS_EBOXSignal E-box fanE-box fan
13MT_LHV2Oxygen sensor heating groundOxygen sensor 2 (in front of
catalytic converter)
14EA_LSV1Sensor signalOxygen sensor 1 (in front of
catalytic converter)
15EA_LSV2Sensor signalOxygen sensor 2 (in front of
catalytic converter)
16EA_LSH1Sensor signalOxygen sensor 1 (behind catalytic
converter)
17Not used
18EA_LSH2Sensor signalOxygen sensor 2 (behind catalytic
converter)
19MT_LHH2Oxygen sensor heating groundOxygen sensor 2 (behind catalytic
converter)
20ES_KUPPLUClutch pedal depressedClutch switch
21Not used
22Not used
23AS_HRActivate relayEngine control module relay
24Not used
X60003
Pin Type Signal Description/Function Connection
1
EA_HFMSignal air mass meterHot film air mass meter
2EP_NWGA1Signal camshaft positionCamshaft position sensor 2 (outlet)
3Not used
4ATNWE_F1Activate valveVariable camshaft control valve
(inlet) – advance
5EP_NWGE1Signal camshaft positionCamshaft position sensor 1 (inlet)
6EP_NWGA1Signal camshaft positionCamshaft position sensor 2 (outlet)
Page 213 of 367
X90632
X9063144X18303
.5 SW/VI
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
X16
23
X1001714
INDICATORS
INSTRUMENT CLUSTER
A2w
INSTRUMENT
CLUSTER
X423
1
F275A
2 1
B18
BRAKE FLUID
LEVEL SWITCH
1) LOW LEVEL
2) NORMAL LEVEL X111
1 .5 BR/VI
2 1
X9633
GROUND
DISTRIBUTION
0670.4
18
BRAKE
FLUID
X90631X1112S31
PARK BRAKE
SWITCH
1) BRAKE SET
2) BRAKE NOT
SET
17 X16
16 X1170
A52
SLIP CONTROL
MODULE
(ABS/ASC)
19 X1746
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
X2717.5 SW/GE
B9508
PRESSURE
SWITCH
X127
4
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
X18349
2
.5 SW/GR 1 SW/VI
X1022
.5 GR/SW/GE
6
X100545
X189
.5 SW/GR 1 SW/VI
INTEGRATED
HEATING– AND
CLIMATE CONTROL
6450.6Z3 VERSIONS
M VERSIONS.5 VI/GR
.35 GR/SW/GE
21 X17
WITH DSC WITH ASC
Z3 VERSIONS
LATE PRODUCTION
6X17
CHARGING
SYSTEM
1230.0
.5 BL
PARK
FLUID
X1628X1123
DYNAMIC STABILITY
CONTROL (DSC III)
3452.1
DYNAMIC STABILITY CONTROL
(DSC MK 60)
3452.2
.35 BR/VI
.5 BR/VI
.5 BL/BR/GE
.5 BL/BR/GE
WITH DSC
WITH DSC