2003 HONDA CIVIC Workshop Manual

t1, t2
x1x2
K
mn
pq
Locating hole d25 (0.981
For trailing.rm rl3 10.51)Locating hole o25 (0.981
Locating hole s20 (0.79)
Trailing arm centerRear damper centerFor upper arm o13 (0.51)
For trailing arm d13 (0.511
For upper arm bracket center rl5 {0.59)Locating hole s13 (0.51)
For uppe. arm o13 {0.511For rear lower arm cent€rLocating hole s50 (1.97)
Locating hole s20 (0.79)
Locating hole o25 (0.981
(cont'd)
20-115

Frame
IFrame Repair Chart (cont'dl
Side view
Unitrmm {in.)o: Inner diameteJab1b2b3clc2c3
For subframe 015 {0.59}For engine mount o13 (0.511
For engine mount 01310.51)For engine mount 113 (0.511For manual transmission mount 013 {0.51)For manual trensmission mount 613 {0.51}For manual trrnsmission mounr o13 {0.51}
For damper mount o11.5 {0.45)For damper center r78 {3.07}For damper mount o11.5 (0.45)
For damper mount r11.5 {0./t5lFor subtrame el5 10.591Locating hole o25 (0.98)
Locating hole s 11.97)
oeI
sh
i
\
SECTIOiI AA
BASEUNE
trr2xt.6 l
VERTICAILINE
20-116

Frame
IFrame Repair Chart (cont'dl
Side view
Unitrmm {in.)o: Inner diameteJab1b2b3clc2c3
For subframe 015 {0.59}For engine mount o13 (0.511
For engine mount 01310.51)For engine mount 113 (0.511For manual transmission mount 013 {0.51)For manual trensmission mount 613 {0.51}For manual trrnsmission mounr o13 {0.51}
For damper mount o11.5 {0.45)For damper center r78 {3.07}For damper mount o11.5 (0.45)
For damper mount r11.5 {0./t5lFor subtrame el5 10.591Locating hole o25 (0.98)
Locating hole s 11.97)
oeI
sh
i
\
SECTIOiI AA
BASEUNE
trr2xt.6 l
VERTICAILINE
20-116

xlx2
m
pq
Locating hole o25 {0.98)For trailing arm 613 {0.511Locating hole d25 {0.98}Locating hole r20 {0.79)Trailing arm centerRear damper centelFor upper arm o13 (0.51)
11, t2
For trailing arm s13 {0.51}For upper arm bracket center o15 {0.591Locating hole o13 {0.51}For upper arm d13 {0.51)For rear lower arm centeiLocating hole o50 {1.97}Locating hole a20 {0.79}Loceting hole s25 (0.98)
20-117

21-2
z t-'5
z t-o
z t-o
21-8
21-9
21-10
21-11
21-14
z t- to
HVAC (Heating, Ventilation, and Air Gonditioningl
Heating and Air Conditioning
SpecialTools
Comoonent Location lndex ........
A/C Service Tios and
Precautions
A,/C Refrigerant Oil
ReDlacement
General Troubleshooting
lnformation
DTC Troubleshooting Index .......
Symptom Troubleshooting
1ndex..............
System Description .....................
Circuit Diagram
DTC Troubleshooting ..................
Recirculation Control Motor
CircuitTroubleshooting .......... 21-25
Heater Control Power and Ground
Circuits Troubleshooting ........ 21-27
Condenser Fan Circuit
Troubleshooting ...................... 21-28
Radiator and Condenser Fans
Common Circuit
Troubfeshooting ...................... 21-29
Compressor Clutch Circuit
Troubleshooting ...................... 21-30
A,/C Pressure Switch Circuit
Troubleshooting ...................... 21-32
Air Mix Control Motor
Test and Reolacement ............. 21-34
Mode Control Motor
Test and Replacement ............. 21-35
Recirculation Control Motor
Test and Reolacement ............. 21-36
Evaporator Temperature Sensor
Reolacement and Test ............. 21-31
Power Transistor Test ................. 21 -38
Heater Control Panel and
Push Switch Assemblv
Removal and Installation ........ 21-38
Dust and Pollen Filter
Reolacement ..21-39
Blower Unit Removal and
lnstallation ...... 21-39
Blower Unit Comoonents
ReDlacement ............................ 21-41
Evaporator Core
Reolacement ..21-42*Heater Unit/Core
ReDlacement ..21-43
Heater Valve Cable
Adjustment .....21-46
CompressorReplacement .......... 21-47
Comoressor Clutch Check .......... 21-48
Comoressor Clutch Overhaul ..... 21-49
Compressor Thermal Protector
Reo1acement ............................ 21-51
Comoressor Relief Valve
Reolacement ............................ 21-51
Condenser Reolacement ............ 21-52
Refrigerant Recovery .................. 21-53
System Evacuation ...................... 21-54
System CharginS ......................... 21-55
Refrigerant LeakTest .................. 21-56
A,/C Svstem Tests ........................ 21-57

HVAC {Heating, Ventilation, and Air Conditioning)
SpecialTools
Ret.No.Tool NumberDescriDtion Otv
o07sAz-001000ABackprobe Set 2
---2
att-,,- KCe
/'Tt "-t--'
e^t"'
T
21-2

Heating and Air Gonditioning
Component Location Index
SERVICE VALVE{LOW.PRESSUBE SIDEI
EVAPORATOR CORE(Built-in the heater unit)Beplacement, page 21 42
COMPRESSORBeplacement, page 21 47Clutch Check, page 21-48Clutch Overhaul, page 21-49Thermal Protector Check, page 21-48Thermal Protector Replacement, page 21 51Relief Valve Replacement, page 21 51
SERVICE VALVE{HIGH-PRESSURE SIDEI
RECEIVER/DRYER
CONOENSEBReplacement, page 21-52

Heating and Air Conditioning
Component Location Index (cont'dl
CONDENSER FANTest, page 22-51
RADIATOR FAN RELAYTest, page 22-51
Tesl, page 22-51CLUTCH RELAY
MOTOR RELAYTest, page 22-5I
UNDER.HOOD FUSE/RELAY BOX
... A/C PRESSURE SWITCH
RADIATOR FAN
\
.\
-
'-t t_]]l
/l I T I --::--
l- -l -
CONOENSER FAN
21-4