EN(H4DOTC)-91
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
F: DTC P0037 — HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 2)
—
•
DTC DETECTING CONDITION:
• Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOTC)-48, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)-40, Inspection Mode.>.
•
WIRING DIAGRAM:
EN-01300
BATTERY
MAIN RELAY
B47
1
2
3
5
4
6
E
E
B61
F44
2
LHD
RHD
LHD
RHD
B100
F2
F60
E3
12
3
RHD
LHD
RHD
B260
*
1
*
2
B259
1
LHD
LHD
: LHD
: LHD
(RHD)
(LHD)
B22
B83
: RHD
: RHD
3
4
1
2
5
6
1 2 3 4
5 6 7 8
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
B22
B135
B137
F60
F44
B83
B47
B19
B84
1
2
7
8
9
5
6
3
4
10 11 12
19 20 21
29 30 31
13 14 15 16 17
27 28
18
22 23 24 25 26
*
3
*
5
*
4
*
6
B19
REAR
OXYGEN SENSOR
E8
E9
D13
B17
B26
B19
ECM
B137
B84
D :
B135
B :
E :
RHD
RHD
LHD
1 2 3 4 5 6
5 6
7 8
2
1
9
4
3
10
24
22
23
25
11 12 13 14 15
26 27 28
16 17 18 19
20 21
1 2
7
8 9
5
6
3
4
10 11 12
19 20 21
13 14 15 16
17 18
22 23 24
LHD : 2
RHD : 4
LHD : 6
RHD : 1
*
1
*
2
1 2
B259
1 2 3
4 5 6
LHD : 2
RHD : 1
LHD : 1
RHD : 2
LHD : 3
RHD : 4
LHD : 4
RHD : 3
*
3
*
4
*
5
*
6
F2
(LHD)
(RHD)
2 1
4 3
1
2
3
4
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...