air conditioning BMW 318ti 1999 E36 Electrical Troubleshooting Manual




0100.0 INDEX









 

ABS HYDRAULIC UNIT, Y1 3450.1-01. . . . . . . . . . . . . . . . . . . . . . . . .
ABS PUMP MOTOR RELAY, TIMED, K125 3450.1-00. . . . . . . . . . . .
AIR BAG GAS GENERATOR, DRIVER’S, G5 3234.0-00. . . . . . . . . .
AIR BAG GAS GENERATOR, LEFT SIDE, G14 3234.0-01. . . . . . . .
AIR BAG GAS GENERATOR, PASSENGER’S, G6 3234.0-00. . . . .
AIR BAG GAS GENERATOR, RIGHT SIDE, G15 3234.0-01. . . . . .
AIR CONDITIONING COMPRESSOR, Y2 6450.6-02. . . . . . . . . . . . .
AIR PUMP, Y6133 1210.20-08. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANTENNA AMPLIFIER AM/FM, N8 6424.0-01. . . . . . . . . . . . . . . . . . .
ANTI–THEFT CONTROL MODULE (ALPINE), N12w 6575.2. . . . . .
ANTI–THEFT HORN (ALPINE), H1w 6575.2-01. . . . . . . . . . . . . . . . .
ANTI–THEFT SYSTEM (ALPINE) 6575.2. . . . . . . . . . . . . . . . . . . . . . .
ASC SWITCH, S6 3450.1-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUTOMATIC TRANSMISSION RANGE SWITCH, S3 2460.2-01. . .
AUXILIARY FAN MOTOR, M9 6450.6-03. . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P95 0670.2-02. . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P97 0670.2-01. . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY THROTTLE POSITION MOTOR (ADS), M93 3450.1-02
AUXILIARY TURN LIGHT, LEFT FRONT, H9 6313.0-02. . . . . . . . . .
AUXILIARY TURN LIGHT, RIGHT FRONT, H8 6313.0-02. . . . . . . . .
BACK UP LIGHT, LEFT, H27 6322.0-00. . . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHT, RIGHT, H28 6322.0-00. . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHTS 6322.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BATTERY, G1 0670.2-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6410.7-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6410.7-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RESISTORS, R11 6410.7-01. . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RESISTORS, R11 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . .
BLOWER SWITCH, S75 6410.7-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER SWITCH, S75 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . BOARD COMPUTER (BC – LOW) 6581.3. . . . . . . . . . . . . . . . . . . . . .
BOARD COMPUTER (BC – LOW), A35y 6581.3-00. . . . . . . . . . . . . .
BODY ELECTRONICS CONTROL MODULE (ZKE IV),
A104 6100.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE FLUID LEVEL SWITCH, B18 6211.0-00. . . . . . . . . . . . . . . . .
BRAKE LIGHT SWITCH, S29 6325.0-00. . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHT SWITCH, S30 2460.2-04. . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHT SWITCH, S30 6325.0-00. . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHT, LEFT, H24 6325.0-00. . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHT, RIGHT, H31 6325.0-00. . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHTS 6325.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE PAD SENSOR, LEFT FRONT, B16 6211.0-01. . . . . . . . . . . .
BRAKE PAD SENSOR, RIGHT REAR, B17 6211.0-01. . . . . . . . . . .
CARBON CANISTER VALVE, Y199 1210.20-08. . . . . . . . . . . . . . . . .
CD CHANGER, N22 6510.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CD CHANGER, N22 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CELLULAR TELEPHONE (PROVISIONS) 6561.0. . . . . . . . . . . . . . .
CENTER INTERIOR LIGHT, REAR, E32z 6330.3-00. . . . . . . . . . . . .
CENTRAL BODY ELECTRONICS (ZKE IV) 6100.0. . . . . . . . . . . . . .
CENTRAL LOCKING SWITCH, S302 5126.0-00. . . . . . . . . . . . . . . . .
CHARGING SYSTEM 1230.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHIME MODULE, H10 6211.0-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CIGAR LIGHTER LIGHT, FRONT, E29 6332.0-00. . . . . . . . . . . . . . . .
CIGAR LIGHTER, FRONT, E28 6332.0-00. . . . . . . . . . . . . . . . . . . . . .
CLIMATE CONTROL SWITCH ILLUMINATION, E103 6424.0-00. .
CLIMATE CONTROL SWITCH ILLUMINATION, E103 6450.6-00. .
CLOCK 6213.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLUTCH SWITCH, S32 6571.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMBINATION SWITCH, S7 6312.0. . . . . . . . . . . . . . . . . . . . . . . . . . .
COMBINATION SWITCH, S7 6313.0-00. . . . . . . . . . . . . . . . . . . . . . . .
COMBINATION SWITCH, S7 6581.3-00. . . . . . . . . . . . . . . . . . . . . . . .
COMPONENT LOCATION CHART 7000.0. . . . . . . . . . . . . . . . . . . . . .


 




Pin Assignments

E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
58
AActivate valveIntake air resonance changeover valve
59Not used
60EProgramming voltageData link connector
61AActivate valveEvaporation emission valve
62Not used
63AActivate relayFuel pump relay
64AActivate relay/valveSecondary air pump relay/Secondary air
pump valve
65AActivate valveCarbon canister valve
66AActivate valveFuel changeover valve
67Not used
68ESignal above 80°CDouble temperature switch
69EA/C-ON-signalAir conditioning operating unit
70ECyl 1-2 knock sensorKnock sensor
71MGround for sensorsTemperature-/ knock-/ throttle
position-sensors
72EFuel tank pressure signalFuel tank pressure sensor
73Not used
74ETemperature signalEngine coolant temperature sensor
75Not used
76Not used
77EOxygen sensor signalOxygen sensor (behind catalytic converter)
78ECrankshaft position/RPMCrankshaft position/RPM sensor
79ESpeed signal right rearABS/ASC control module
80ECrankshaft RPM speed signal TDInstrument cluster
81Not used
82Not used
83EVehicle speed signalOn-board computer
84Not used
85E/ACAN-LOWEGS/ASC control module
86E/ACAN-HIGHEGS/ASC control module
87ARxD diagnosis data lineData link connector
88E/ATxD diagnosis data lineData link connector




K4
BLOWER RELAY
F2030A F397.5A
5B9
INTERMEDIATE
PRESSURE
SWITCHS36y
DOUBLE
TEMPERATURE
SWITCHK21
NORMAL SPEED
RELAY
B8y
PRESSURE
SWITCH A6000
ENGINE CONTROL
MODULE (DME)
B9508
PRESSURE
SWITCH
X11250
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
.0
F235AF165A
S2
IGNITION SWITCH
M30
BLOWER MOTOR R11
BLOWER
RESISTORS K19
COMPRESSOR
CONTROL RELAY
Y2
AIR CONDITIONING
COMPRESSORA8500
TRANSMISSION
CONTROL MODULE
(EGS)
A6000
ENGINE CONTROL
MODULE (DME)
Y4z
WATER VALVE
S531
TEMPERATURE
WHEEL SWITCHM111
FRESH AIR
RECIRCULATION
MOTOR4X13274
S530
IHKS CONTROL
SWITCHF16
5AF4840A
K22
HIGH SPEED
RELAY
E103
CLIMATE CONTROL
SWITCH
ILLUMINATION 58g
LIGHT SWITCH
DETAILS
6300.0P97
AUXILIARY FUSE
BOX
6450.6-00
6450.6-00
6450.6-006450.6-00
6450.6-01
6450.6-016450.6-016450.6-026450.6-02
6450.6-026450.6-02
6450.6-01
6450.6-006450.6-03
6450.6-03
6450.6-03 6450.6-03
6450.6-03P90
FRONT POWER
DISTRIBUTION BOX
M9
AUXILIARY FAN
MOTOR 6450.6-03
F165A
P90
FRONT POWER
DISTRIBUTION BOXP90
FRONT POWER
DISTRIBUTION BOX
B14
EVAPORATOR
TEMPERATURE
SENSOR
6
6450.6-012S75
BLOWER SWITCH 6450.6-00
6
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-01
41
107
K13
REAR DEFOGGER
RELAY 6450.6-01
3
X11250
9 X132741 8
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-03
6450.6-01
6450.6-03
6450.6 INTEGRATED HEATING– AND CLIMATE CONTROL


COMPRESSOR CONTROLS
INTEGRATED HEATING– AND CLIMATE CONTROL








15
31

F165A
30
87P90
FRONT POWER
DISTRIBUTION BOX F39
7.5A
18 X10018
FUSE DETAILS
0670.3
.75 SW/RT/GE
2
1
21
5 X51
4
.5 SW/BL
.5 SW/BL
X8056
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATUREK19
COMPRESSOR
CONTROL RELAY
A6000
ENGINE CONTROL
MODULE (DME) FUSE DETAILS
0670.3
6
4 X51
12 X10016
X163
X20
X6000
86
85
.5 SW/BL15
AC
X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS).5 SW/BL
 

46
36




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION
X91009 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . under passenger’s seat

Y1 . . . .

ABS HYDRAULIC UNIT . . . . . . . . . . . . . .

rear LH side of engine compartment back of LH side shock tower . . . . . . .

0


Y2 . . . . AIR CONDITIONING COMPRESSOR . front RH side of engine compartment
Y4z . . . WATER VALVE . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

Y5 . . . .
DRIVER’S SIDE MIRROR . . . . . . . . . . . .
in upper LH front door



Y6 . . . .

PASSENGER’S SIDE MIRROR . . . . . . .

in upper RH front door




Y19 . . SHIFT–LOCK . . . . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
Y199 . CARBON CANISTER VALVE . . . . . . . . . behind side panel, right from RH rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

Y6101
CYL. 1 FUEL INJECTION VALVE . . . . .
on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0


Y6102 CYL. 2 FUEL INJECTION VALVE . . . . . on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

Y6103 CYL. 3 FUEL INJECTION VALVE . . . . . on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

Y6104 CYL. 4 FUEL INJECTION VALVE . . . . . on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


Y6120

EVAPORATIVE EMISSION VALVE . . . .

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

0


Y6130 IDLE SPEED CONTROL VALVE . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0



Y6131

INTAKE AIR RESONANCE CHANGE-
OVER VALVE . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


Y6133 AIR PUMP . . . . . . . . . . . . . . . . . . . . . . . . . LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


Y6163

SECONDARY AIR PUMP VALVE . . . . .

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

0


Y6263 FUEL CHANGEOVER VALVE . . . . . . . . under LH center of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

Y8505y TRANSMISSION VALVE UNIT . . . . . . . . on RH side of transmission