AC-18
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
DIAGNOSTICS FOR A/C SYSTEM MALFUNCTION
WIRING DIAGRAM:
•
FOR LHD SOHC MODEL
AC-00673
SBF-4
SBF-1
F/B No.17
F/B No.18
BATTERY
MAIN FAN
RELAY
F17
MAIN FAN
MOTOR
F16
SUB FAN
MOTOR
MAGNET
CLUTCH
COMPRESSOR
AIR CONDITIONING RELAY HOLDER
PRESSURE
SWITCH
IGNITION
SWITCH
20A
20A
MAIN FAN
RELAY
AIR
CONDITIONING
RELAY
1
26
28
27
25
18
20
19
17
10
11
12
9
2
3
4
15
16
2
12
B14
B3
B4
AUTO A/C
CONTROL
MODULE
B282
A:
B283
B:
F24
F79
F27
F45
B62
2
1
2
1
F79
F17
1 2
F16
2 1
F45
B134
A:
21
9
3 4
5 6
10 11 12 13 14 15
7
16
23
30
19 20
22
26 27 28 29
8
17
24
31
18
25
1 2
32 33
34 35
B137
D:
14
5
2
3 4
6 7 8 9 10 11 12
16
15
19
13
18
1
17
20
B136
C:
19
8
3
4 5
9
11 12 13 14
6
15
22
17
18
21
25 26
7
23
16
24
1 2
20
5 6
7
8
9
10
11 12
13 14
15
16
17
18
19 20
21 22
23
24
25
26
27 28
1
2
3
4
29
30
F27
3 4
1 2
8 9 10
11 12 13 14 15 16 17 18 19 20
5 6 7
B283
B:
10
2
1
M
M
E
B27
C30
A12
A3
A17
B135
B:
B136
C:
B137
D:
C11
D13
A13
A14
A9
OO
WO
B134
A:
: WITH OBD
MODEL
: WITHOUT OBD
MODEL
WO
OO
ECM
B135
B:
21
9
3
4 5 6
10 11 12 13 14 15
7
16
23
19
20
22
26
27 28
8
17
24
18
25
1 2
3 4
1 2
8 9 10 11
12 13 14 15 16 17 18 19 20 21 22 23 24
5
6 7
Summary of Contents for Impreza 2003
Page 2: ......
Page 4: ......
Page 5: ...FOREWORD FW Page 1 Foreword 2...
Page 7: ...HOW TO USE THIS MANUAL HU Page 1 How to Use This Manual 2...
Page 12: ...HU 6 HOW TO USE THIS MANUAL HOW TO USE THIS MANUAL...
Page 13: ...SPECIFICATIONS SPC Page 1 Impreza 2...
Page 36: ...SPC 24 SPECIFICATIONS IMPREZA...
Page 37: ...PRECAUTION PC Page 1 Precaution 2...
Page 39: ...NOTE NT Page 1 Note 2...
Page 42: ...NT 4 NOTE NOTE A Front B Rear 1 Front crossmember 2 Rear differential NT 00062 1 2 A B...
Page 47: ...IDENTIFICATION ID Page 1 Identification 2...
Page 54: ...ID 8 IDENTIFICATION IDENTIFICATION...
Page 55: ...RECOMMENDED MATERIALS RM Page 1 Recommended Materials 2...
Page 63: ...PRE DELIVERY INSPECTION PI Page 1 Pre delivery Inspection 2...
Page 76: ...PI 14 PRE DELIVERY INSPECTION PRE DELIVERY INSPECTION...
Page 126: ...PM 50 PERIODIC MAINTENANCE SERVICES STEERING SYSTEM POWER STEERING...
Page 212: ...IN H4SO 8 INTAKE INDUCTION RESONATOR CHAMBER...
Page 310: ...ME H4SO 98 MECHANICAL ENGINE NOISE...
Page 380: ...SP H4SO 10 SPEED CONTROL SYSTEMS ACCELERATOR CONTROL CABLE...
Page 412: ...SC H4SO 22 STARTING CHARGING SYSTEMS BATTERY...
Page 750: ...EC H4SOw oOBD 8 EMISSION CONTROL AUX EMISSION CONTROL DEVICES TWO WAY VALVE...
Page 751: ...INTAKE INDUCTION IN H4SOw oOBD Page 1 General Description 2...
Page 753: ...MECHANICAL ME H4SOw oOBD Page 1 General Description 2...
Page 766: ...EX H4SOw oOBD 12 EXHAUST MUFFLER...
Page 767: ...COOLING CO H4SOw oOBD Page 1 General Description 2...
Page 769: ...LUBRICATION LU H4SOw oOBD Page 1 General Description 2...
Page 771: ...SPEED CONTROL SYSTEMS SP H4SOw oOBD Page 1 General Description 2...
Page 773: ...IGNITION IG H4SOw oOBD Page 1 General Description 2...
Page 775: ...STARTING CHARGING SYSTEMS SC H4SOw oOBD Page 1 General Description 2...
Page 876: ...EN H4SOw oOBD 100 ENGINE DIAGNOSTICS GENERAL DIAGNOSTIC TABLE...
Page 878: ......
Page 974: ...IN H4DOTC 16 INTAKE INDUCTION RESONATOR CHAMBER...
Page 1108: ...EX H4DOTC 16 EXHAUST MUFFLER...
Page 1164: ...LU H4DOTC 22 LUBRICATION ENGINE LUBRICATION SYSTEM TROUBLE IN GENERAL...
Page 1165: ...SPEED CONTROL SYSTEMS SP H4DOTC Page 1 General Description 2...
Page 1167: ...IGNITION IG H4DOTC Page 1 General Description 2 2 Spark Plug 4 3 Ignition Coil Ignitor ASSY 7...
Page 1174: ...IG H4DOTC 8 IGNITION IGNITION COIL IGNITOR ASSY...
Page 1175: ...STARTING CHARGING SYSTEMS SC H4DOTC Page 1 General Description 2...
Page 1492: ......
Page 1532: ...CS 40 CONTROL SYSTEMS GENERAL DIAGNOSTIC TABLE...
Page 1670: ...4AT 138 AUTOMATIC TRANSMISSION TRANSMISSION CONTROL DEVICE...
Page 1930: ...5MT 122 MANUAL TRANSMISSION AND DIFFERENTIAL GENERAL DIAGNOSTIC...
Page 2062: ...6MT 132 MANUAL TRANSMISSION AND DIFFERENTIAL GENERAL DIAGNOSTIC TABLE...
Page 2114: ...CL 52 CLUTCH SYSTEM GENERAL DIAGNOSTIC TABLE...
Page 2116: ......
Page 2146: ...FS 30 FRONT SUSPENSION GENERAL DIAGNOSTIC TABLE...
Page 2170: ...RS 24 REAR SUSPENSION GENERAL DIAGNOSTIC TABLE...
Page 2612: ...BR 80 BRAKE GENERAL DIAGNOSTICS...
Page 2624: ...PB 12 PARKING BRAKE GENERAL DIAGNOSTIC TABLE...
Page 2908: ...AB 82 AIRBAG SYSTEM DIAGNOSTICS DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE DTC...
Page 2928: ...SB 20 SEAT BELT SYSTEM DISPOSAL OF PRETENSIONER...
Page 2962: ...LI 34 LIGHTING SYSTEM GLOVE BOX LIGHT...
Page 2982: ...WW 20 WIPER AND WASHER SYSTEMS WIPER CONTROL RELAY WAGON MODEL...
Page 2995: ...COMMUNICATION SYSTEM COM Page 1 General Description 2 2 Horn System 3 3 Horn 4 4 Horn Switch 5...
Page 3000: ...COM 6 COMMUNICATION SYSTEM HORN SWITCH...
Page 3035: ...BODY STRUCTURE BS Page 1 General Description 2 2 Datum Points 3 3 Datum Dimensions 11...
Page 3044: ...BS 10 BODY STRUCTURE DATUM POINTS BS 00544 86 85 84 83 94 BS 00546 88 89 93 BS 00545 87...
Page 3056: ...BS 22 BODY STRUCTURE DATUM DIMENSIONS...
Page 3079: ...SEATS SE Page 1 General Description 2 2 Front Seat 6 3 Rear Seat 17...
Page 3098: ...SE 20 SEATS REAR SEAT...
Page 3142: ...SL 44 SECURITY AND LOCKS KEYLESS TRANSMITTER...
Page 3152: ...SR 10 SUNROOF T TOP CONVERTIBLE TOP SUNROOF SUNROOF SWITCH...
Page 3234: ...EB 24 EXTERIOR BODY PANELS REAR GATE PANEL...
Page 3302: ...IM 24 IMMOBILIZER DIAGNOSTICS DIAGNOSTICS CHART WITH DIAGNOSTIC TROUBLE CODE DTC...
Page 3304: ......
Page 3403: ...WI 99 WIRING SYSTEM ENGINE COOLANT TEMPERATURE GAUGE SYSTEM...
Page 3415: ...WI 111 WIRING SYSTEM ENGINE ELECTRICAL SYSTEM...
Page 3427: ...WI 123 WIRING SYSTEM ENGINE ELECTRICAL SYSTEM...
Page 3441: ...WI 137 WIRING SYSTEM ENGINE ELECTRICAL SYSTEM...
Page 3453: ...WI 149 WIRING SYSTEM ENGINE ELECTRICAL SYSTEM...
Page 3465: ...WI 161 WIRING SYSTEM ENGINE ELECTRICAL SYSTEM...
Page 3610: ...WI 306 WIRING SYSTEM REAR WIRING HARNESS AND REAR GATE CORD...