2.0 HONDA CR-V 1999 RD1-RD3 / 1.G Repair Manual

Component Location
lndex
EVAPORATORReplacement, page 22-48Overhaul, page 22-49
SERVICE VALVEILOW-PRESSURE SIDE}
CONDENSERReplacement, page 22-70
A/C PRESSURE SWTTCHWhen the refrigorant pressure is below 200 kPa 12.0 kglc.r|r,28 psi) or abov€ 3,200 kPa (32 kgflcmr, 455 psi), the AJC pressureswitch opens the circuit to the Ay'C switch and stops the airconditioning to protect the compressor.
Replacement, page 22-62Clutch Inspection, page 22-65Clutch Overhaul, pago 22-66Thermal Protector Replacement, page 22-68Relief Valve Replacem€nt. page 22-68
SERVICE VALVEIHIGH-PRESSURE SIDEI
,
[\,
-il
(cont'd)
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A/C System Service
Pressure Test Chart
NOTE: Performance Test is on page 22-56.
Test resultsRelatad symptomsPrcbable caus€Remody
Discharge (high)pressure 6bnormallyhagh
After stopping compressor, pressuredrops to about 200 kPa 12.0 kgtlcm,,28 psi) quickly, and then lalls gradualty.
Air in systemDischarge, evacuate, and rechargewith specified amount.Evacuation: see page 22-60Charging: see page 22-61No bubbles in sight glass whencondenser is cooled by waterExcessive refrigerant in systemDischarge, evacuate, and rechargewith specilied amount.Reduced or no air flow throughcondenser. Clogged condenser or radia-tor fins. Condenser or radiator fannot wo.king properly
CleanCheck voltage and fan rpm.Check fan direction.
Line to condensor is excossivelv hot.Restricted flow of relrigerant insy$emFestricted lines
Discharge pressureabnormally lowExcessive bubbles in sight glass;condenser is not hot.Insufficient retrigerant inCheck for leak.Charge system.High and low pressures are balancedsoon after stopping compressor. Lowside is higher than normal.
. Faulty compressor discharge
. Faulty compressor seal
Replace the comprossor.
Outlet ot expansion valve is notfrosted, low-pressure gauge indicates
' Faulty expansion valve. Moisture in system. Replace. Discharge, evacuate, andrecharge with specified amount.Suction {low) pros,sure abnormallyExcessive bubbles in sight glass;condenser is not hot.Insufficiont relrigerant inRepair the leaks.Discharge, evacuate, andrecharge with specified amount.Charge as r€quired.Expansion valve is not frosted, andlow-pressure line is not cold. Low-pressure gauge indicates vacuum.
' Frozen expansion valvelMoisture in system). Faulty expansion valve
. Discharge, evacuate, andrecharge with specitied amount.. Replace th€ expansion valve.Discharge temperature is low, and theair llow trom vents is restricted.Frozen evaporatorRun the fan with compressor off,then check evaporator tempera,ture sensor.Expansion valve is frosted.Clogged expansion valveClean or replace.Feceiver/dryer outlet is cool, and inlotrs w6rm (should be warm duringoperation).
Clogged receiver/dryerReplace
Suction pressureabnormally highLow-pressure hose and check joint arecooler than tho temperature aroundevaporator.
. Expansion valve open too long. Loose expansion capillarytube
Repair or roplace.
Suction pressure is lowored whencondenser is cooled by water.Excessive refrigerant in systemDischarge, evacuate, and rechargewath specified amount.High and low-pressure are equalizedas soon as tho compressor is stopped,and both gauges tluctuate whilerunning.
Faulty gasketFaulty high-pressure valveForeign panicle stuck in high-
Replace the compressor.
Slction and dis,charge pressutesabnormally high
Reduced air flow through condens€r,. Clogged condenser orradiator tins. Condenser or radiator fannot working properly
CleanCheck voltage and fan rpm.Check Ian direction.
No bubbles in sight glass whencondenser is cooled by walerExcessive refrigerant jn systemDischarge, evacuate, and rechargewith specified amount.Suction and dis-charge pressureabnormally low
Low-pressure hose and motalendareas are cooterlhan evaporator.Clogged or kinked low-pressure hose pansRepair or replace.
Temperature around expansion valvers too low compared with that aroundClogged high-pressure lineRepair or replace.
Refrigerant leaksCompressor clutch is diny.Compressor shaft seal leakingReplace the compressor.Compressor boltls) are dirty.Leaking around bolt(s)Tighton bolt{s) or replacecompressor.Compressor gasket is wet with oil.Gasket leakingReplace the compressor,
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Lighting SystemHeadlights
Dafime Running Lights Resistor
Test (Canada)
CAUTION: The d.ytime running lights resistor becomesvery hot when the daytime running lights are on; do nottouch it or the attaching hardware immediately allerthe lighls have been turned off.
1. Disconnect the 3P connector from the resistor.
Measure the resistance between the resistor termi-nal No. 1 (or No. 2) and the power terminal No. 3.
Resistance: 1.0 - 2.0 O
Replace the resistor with a new one if any of theresistances are beyond specification.
23-80
Replacement
CAUTION: Halogen headlights bGcome very hot in use;do not touch them or the attaching hardware immedi-ately after they have been turned oft.
1. Remove the front bumper (see section 2O).
2. Remove the mounting bolts.
3. Disconnect each connector, then remove the head-light assembly.
HEADLIGHT: 60/55 W
TURN SIGNAL/SIDE MARKER LIGHT:
2118 W {37 model}
2718 W ('98 - 00 modelsl
PARKING LIGHT:5 W l'97 modell
3CP {'98 - 00 modelsl
HEADLIGHT ASSEMELY
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SRS MAIN HARNESS18P CONNECTOR
From page 24 50
Check for an opon in the cabl€ re€l (cont'd):
5. Reconnect the batterv positive cable, then reconnect thenegative cable,6. Erase the DTC memory (see page 24-28).7. Read the DTC (see page 24-2d.
ls DTC 1-1 or DTC 1-2 indic.ted?
YESNO
Open or increased resistance in the cable reel; replacethe cable reel (see paqe 24-91J.
Check for an open in the SRS main harne$:1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait lor three minutes.2- Disconnect the front passenger's airbag connector landdisconnect both seat belt tensioner connectors),3, Disconnect the SRS main harness 18P connector fromthe SRS unit. Do not disconnect the special tool 12 O)from the SRS main harness.4. Check resistance between terminals No. 1 and No. 13 ofthe SRS main harness 18P connector.There should be aoorox.2.0 3.0 0.
ls the rcsistanc€ as soecified?
NOYES
Poor contact at the SRS main harnoss 18P conn€ctor;check the connector.. It the connecior is OK, substitute a lnown-good SRSunit, and recheck..lf the problem is still present, .eplace the SRS mainharness,
Opon or inc.oased rc3istance in the SRS main harnoss;roDlace tho ha]nss.3.
24-51
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From page 24-52
Chock for a shon in th6 cablo recl {cont'dl:5. Reconnect the battery oositive cable, then reconnect thanegative cable.6. Ersse the DTC memory (see page 24-28).7. Read the DTC (see page 24-26l'.
ls DTC 'l-3 indic{tod?
NOYES
Short in the csble reel; replace tha cabls rcol lsao paga
24-911.
Chock for a short in th€ SRS main ha.nors:1. Disconnect the battery negative cable, th€n disconnectthe Dositive cable, and wait for three minutes.2. Disconn€ct tho lront passengor's airbag connector (and
disconnect both seat belt tensioner connectors).3. Disconnect the SRS main harness 18P connector fromthe SRS {rnit. Do not disconnect the special tool (2 0)from the SRS main harness 2P connector.4. Check the resistance between terminals No. 1 and No. 13of SRS main harness 18P connector.There should be aDorox. 2.0 - 3.0 0.
b th€ rsciitlnce a3 sDecifi6d?
NOYES
Faulty SRS unit; rspl.c. th6 SRS unit l.co p.sc 2a-95,,
Shori in the SRS m.in h.rn.e!; ropbce the SRS main htr-ne33.
SRS UNIT
)SRS MAIN HABNESS18P CONNECTOR
c806
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(., Lzl 3 ll63
1518
Wire side ottormrnats
24-53
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From page 24 58
Check fo. an oD6n in the SRS main harness:1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnectthe driver's airbag 2P connector land disconnectboth seat belt tensioner connectors) (see page 24 23).3. Disconnect the SRS main harness 18P connector fromthe SRS unit. Do not disconnect the soecial tool (2 Oifrom the SRS main harness.4. Check resistance between the No. 10 terminal and No. 14terminal of the SRS main harness 18P connector. Thereshould be aoorox. 2.0 - 3.0 g.
ls the .osistanc€ as soecified?
NOYES
Poor contacl ai the SRS main harness 18P connecloricheck lhe connector,.lf the conneclor is OK, substitute a known-good SRSunit, and recheck..lf the problem is still present, replace the SRS mainhatnesli,
Open or increased resistance in the SRS main harness;replace the harness.
UNITsRs
18P CONNECTOR
24-59
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SRS MAIN HARNESS18P CONNECTOR
)
)
From page 24 60
Ch6ck tor a short to another wire or decreasod aGsistance inlh€ SRS main harness:1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnect the driver's airbag 2P connector (and disconnectboth seat belt tensioner connectors).3. Disconnect the SRS main harness '18P connector fromthe SRS unit. Do not disconnect the special tool (2 O).4. Check resistance between the No. 10 terminal and No. 14terminal of the SRS main harness 18P connector. Thereshould be aoorox. 2.0 - 3.0 0.
ls the rosistanc6 as specified?
YESNO
Faultv SRS unit; replace lhe SRS unit lsee page 24-95).
Short to anothor wire or decre.sed re3i3t.nce in the SRSmain harness; replac€ the SRS main harn*s.
24-61
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LEFT SIDE WIREHARNESS2P CONNECTOR
SRS MAINHARNESS2P CONNECTOR
C
00
SRS SIMULATORLEAD C07TAZ - SZ5011Aand SRS INFLATOR
{2 0 JACKI07sAz - T84011A
art)
sRsUNIT
SRS MAIN HARNESS.I8P CONNECTOR
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From page 24-66
Check for an oFn in thc aide wir6 harne$:1. Disconnect the left side wire harness 2P connector fromthe SRS main harness 2P connector.2. Connect the special tool (2 o) to the SRS main harness2P connector.3. Erase the DTC memory.4. Read the DTC.
ls DTC 3-l or DTC 3-2 indicated?
YESNO
Ooen or incrers€d reeidance in the lelt side wire hame3s;r€Dlaca the hamess.
Check for an open in the SRS main harness:1. Disconnect the negative battery cable, and wait for threeminutes.2. Disconnect the driver's and front passenger's airbags,and front passenger's seat belt tensioner connectors (see
page 24-231.3. Disconnect the SRS main harness 18P connector from
the SRS unit. Do not disconnect the special tool (2 O)from the SRS main harness 2P connector.4. Check resistance between the No. 4 and No. 11 terminalsof the SRS main harness 18P connector. There should be2.0 - 3.0 0.
13lhe resistance as soecified?
NOYES
Faulty SFS unil or poor contad at the SRS main h.m€ss18P connector and th€ SRS unit. check the connectionbetween the SRS main harn$s 18P connector and theSRS unit. lf the connector i3 OK. r€Dlaco ihe SRS unit(s66 pas6 24-951.
ODen or incaoased resistance in the SRS msin harness;reolace the SRS main harn€ss.
terminals
24-67
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Ftom page 2!-7 a
Check lor .n oo.n in the side wire hsrness:1. Disconnect the right side wire harness 2P connector fromthe SRS main harness 2P connector.2. Connect the special tool (2 Oi to the SRS main harness2P connector.3. Erase the DTC memory.4. Bead the DTC.
ls DTC 4-1 or DTC 4-2 indicated?
NOYES
Open or inc.oased resistance in th€ right side wire har-ness; replace the harness.
Check tor an open in the SRS main harness:1. Disconnect the negative battery cable, and wait for threemtnutes.2. Disconnect the driver's and front passenger's airbags,and driver's seat belt tensioner connectors (see page 24-23\.3. Disconnect the SRS main harness 18P connector fromthe SRS unit. Do not disconnect the special tool (2 0)from the SRS main harness 2P connector.4- Check resistance between the No. 5 and No. 12 terminalsof the SRS main harness 18P connector. There sho!ld be2.0 - 3.0 0.
ls the resistanca as soecified?
NOYES
Faulty SRS unit or poor contact at the SRS main harne3s18P conneclor and the SRS unit, check the connestionb€tween the SRS main harness 18P conn€ctor and th6SRS unit. lf the connector is OK, reDlace the SRS unit{see page 24-951.
Open or increesed resistanco in the SRS main h.rnes3;replace the SRS main harness.
RIGHT SIDE WIREHARNESS2P CONNECTOR
SRS MAIN HARNESS2P CONNECTOR
SRS SIMULATORLEAD C07TAZ - SZ5011A.nd SRS INFLATORSIMULATOR(2 0 JACK)07sAz - TB4011A
)"r$
SRS MAIN HABNESS18P CONNECTOR
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le.minals.
24-75
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