1999 HONDA CR-V And

Emission Control System
Evaporative Emission (EVAP) Controls (cont,dl
iTl457l ("ont'or
APCONTROLCANISTER
Ropair op€n in th6 wire betweenthe EVAP purge control 3olenoidvelve and ths ECM/PCM (A61.
VACUUMPUMP/GAUGE, O-30 iN.HgA973X - 0rl -
xxxxx
'\)
Wire side of lemale terminals
EVAP PURGE CONTROL SOI.ENOIDVALVE 2P CONNECTOR (Cl08)
PCSIRED/YELI
femaletermanals
ECM/PCM CONNECTOR A {32P}
PCS (RED/YELI
,/3 458/'t0
,,/ 14 ,/'t61718l92024
,/ 262930
JUMPERWIRE
- The MIL has been reported on.- DTC P1457 is stored.{EVAP purge control solenoidvalve test.l*
Check the EVAP purge conrrol30lenoid velve:L Disconnect the vacuum hosefrom the EVAP conlrol canis,ter, and connect a vacuumpump to the hose.2. Connect the ECM/PCM connector terminal A6 to the bodyground with a jumper wire.3. Turn the ignition switch ON (tl).4. Apply vacuum to the hose.
EVAP purge control solenoidvalve is OK. Oo the EVAP bypasssolenoid valve t€3t {see psge 1l-221t.
Does the valve hold vacuum?
Check for an open in the wire(PCS line):1. Turn the ignition switch OFF.2. Disconnect the EVAP purgecontrol solenoid valve 2P connector,3. Check for continuity betweenthe EVAP pu rge controlsolenoid valve 2P connectorterminal No.2 and bodygrouno,
ls there continuity?
Check for an open in the wire(lGl line):1. Turn the ignition switch ON t).2. Measure voltage between theEVAP bypass solenoid valve 2pcoonector terminal No. 1 andbody ground.
ls there battery voltage?
Repah open in lhe wir6 betwoenthe EVAP pu.ge cont.ol solonoidvdlvo and No. 15 ALTERNATORSP SENSOR {7.5 Al fu!€.
*: Continued frr '98 model
1-220
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EVAP bypass solenoid valv€ test.
{The continuation of DTC P1457
troubleshooting.l
Check the EVAP bypass 3olenoid
1. Disconnect the vacuLlm hose
from the EVAP two way valve,
and conned a vacuum PUmPto the hose.2. Turn the ignition switch ON (ll).
3. Apply vacuum to the hose
EVAP bvpas3 30lsnoid vrlvo/
EVAP two way v.lve is OK. Do
the EVAP control canisler vent
3hut v.lve te3l (see Psge11'2221.
Does the valve hold vacuum?
Ch6ck the EVAP byp.ss solenoid
'1. Turn the ignition switch OFF
2. Disconnect the EVAP bypass
solenoid valve 2P connector.
3. Check {or continuity between
the EVAP bypass soleno id
valve 2P connector termlnal
No. 2 and body ground
ReDlace the EVAP bypass 3olenoid
valve and O-rings.
Check for a short in lhe wire
{2WBS linel:1. Disconnect ECM/PCM connec
tor A (32P).
2. Check lor continuity betlveenthe EVAP bypass soleno id
valve 2P connector termrnalNo. 2 and body ground.
Rcpsir short in th. wire bgtwoen
the EcM/PCtrl lA3l lnd the EVAP
bypa$ solenoid valvo.ls there continuitY?
Sub3tiiute . known'good ECM/
PCM End recheck. lI sYmptom/
indication goe3 away, tePlace
the original ECM/PCM.
EVAPBYPASSFUELTANKPRESSUBE SENSORSOLENOIDVALVEEVAP TWO WAY
VALVE
VACUUMPUMP/GAUGE,0-30 in.HgA973X -
041 -
xxxxx
EVAP AYPASS SOLENOID
VALVE 2P CONNECTOR (C647}
q
@)
T
t.'-+lt1t?l
| 2wBs
(d1 terul
Y-L
Wire side offemaleterminals
2WBS(BLU}
(cont'd)
11-221
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Emission Control System
Evaporative Emission (EVAP) Controls (cont,dl
lT145il ("ont'o)
EVAPTHREE
VATVE \'t
VACUUMPUMP/GAUGE,0 - 30 in.HsA973X - 041 -
xxxxx
WIRE
ECM/PCM CONNECTOR A {32PI
vsv
Wire side of female terminals
EVAPCONTROLCANISTER
EVAP CONTROLCANISTER VENT SHUTVALVE 2P CONNECTOR {C361}
riErr+J
I vsv
/A {Lr GRN/WHT|
YI
Wire side of female terminals
CANISTEFVENTSHUTVALVE
EVAPCONTROL
(}BING
Replace.
ffilrcr
e
(BLK/wHr)
I
11-222
EVAP control canistor vent shutvalve t6t.(The continuation of DTC p1457
troubl€ahooting.)
Chcck the EVAP control c.nirt6lvent ahut vrlve:1. Disconnect the vacuum hosetrom the EVAP thre€ way valve,and connect a vacuum pumpto the hose.2. Connect the ECM,PCM conn6c,tor terminal A4 to the bodyground with a jumper wire.3. Turn the ignition switch ON fil).4. Applyvacuum to the hose.
EVAP control crni3ter v6nt shutvelve b OK. Do the canistsr sys-lern loak test {3ee page 11-2231.
Does the valve hold vacuum?
Check for an open in the wireIVSV linGll1. Turn the ignition swjtch OFF.2. Disconnect the EVAP controlcanister vent shut valve 2pconnector.3. Check for continuity betweenthe EVAP control canister ventshul valve 2P connector termi-nal No. l and body ground.
Ropril op6n in tho wire botweonthe EVAP control canister v6ntshut v.lve and the ECM/PCM(A41.
Check tor an open in the wire(lGl line):1. Turn the ignition switch ON l).2. Measure voltage between theEVAP control canister vent shutvalve 2P connector terrninalNo. 1 and body ground.
Roplace thG EVAP cont.ol canis-ter Yent shut velve and O-ring.
Repai. opon in the wire betwoenth6 EVAP control canister vontshut valve .nd No. 15 ALTERNA-TOB SP SENSOR t?.5 Alfus6.
{LT GRN/WHT)
36a10
l4/1617l8't9202l232426 272a2930
JUMPER
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Canbter system leak test
{The continuation of DTC P1457
trouble3hootin9.)
Chock the EVAP control canistervent shut valve line and connoc'
tonS:1. Turn the ignition switch OFF
2. Connect to three'way tee fit_
tings into the hose from the
EVAP control canister to the
EVAP two way valve. Connect
the fuel tank pressure sensor
to one of the tee fittings and
the vacuum PumP to the other'
3. Remove the vent hose from
the EVAP control canister vent
shut valve and cap the Pon to
seal the fresh air vent Ior the
EVAP control canister.4. Turn the ignition switch ON (ll).
5. While monitoring the FTP
Sensor voltage with the Honda
PGM Tester, or measurangvoltage between ECM/PCM
connector terminals A29 and
C18 slowly PumP the vacuumpump using a stroke every 1 -
2 seconds.6. Continue to PumP vacuum
until that voltage droPs to
approx. 1.5 V.NOTE: Make sure that the
engine coolant temPeraturestillabove 95'F (35'Cland Yourvacuum PumP has no leak
7. Monitor that voltage for 20
seconds.
Check the EVAP Pu.ge control
solenoid valve line and connec-
tions:1. Turn the ignition switch OFF.
2. Disconnect the Purge lane
hose from the EVAP control
canister and Plug the Port3. Turn the ignition switch ON (lli.
4. While monitoring the FTP
Sensor voltage with the Honda
PGM Tester, or measuringvoltage between ECM/PCM
connector terminals A29 and
Cl8 slowly PumP the vacuumpump using a stroke every 1 -
2 seconds.5. Continue to pump vacuum
until that voltage droPs to
approx. 1-5 V.NOTE: Make sure that the
engine coolant temPeraturestill above 95'F (35"C) and Yourvacuum pump has no leak-
6. Monitor that voltage tor 20
seconds.
Doesthe voltage drop to 1.5 V
and holds at least 20 seconds?
lGp€ct the EVAP control cani3tel
vent 3hut valvo line and connec_
tion5.
Inlpect tho EVAP Putge control
solenoid valvo line and connec'
tion3. It th6y lro OK, do the EVAP
two way valve te3t (seo page 11-
2211.
Does the voltage drop to 1.5 V
and holds at least 20 seconds?
Reolace the EVAP conirol canister.
EVAPBYPASSSOLENOIDVALVE
FUEL TANK
EVAPCONTROL
VENTSHUTVALVE
EVAPCONTROLCANISTER
SENSOR
EVAP TWO WAYVALVE
EVAPTHREE
VALVE
ttrrL
ta
VACUUMPUMP/GAUGE,0 - 30 in.HgA973X -
041 -
XXXXX
FITTINGS
ECM/PCM CONNECTORS
A {32P)
PTANK ILT GRN)
c (31Pt
SG2 {GRN/BLK)
Wire side of female terminals
{cont'd)
11-223
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Emission Control System
Evaporative Emission (EVAP) Controls (cont,dl
Evaporative Emission (EVAP) Two Way Valve Testing
'97 model:
1. Remove the fuelfill cap.
2. Remove the vapor Iine from the EVAP two wayvalve on the fuel tank, and connect it to a T_fittingfrom a vacuum gauge and a vacuum pump asshown.
VACUUM,/PRESSURE GAUGEotJAz - 001 rDoBT-FITTINGVACUUMPUMP/GAUGE,0 - 30 in.HgA973X-041-XXXXX
3. Apply vacuum slowly and continuouslv whilewatching the gauge. The vacuum should stabilizemomentarily at 0.7 - 2.0 kpa (5 - 1S mmHg, 0.2 _ 0.6in.Hg).
lf the vacuum stabilizes (valve opens) below0.7 kPa (5 mmHg,0.2 in,Hg) or above 2.0 kpa(15 mmHg, 0.6 in.Hg), install a new valve and retest.
4.Move the vacuum pump hose from the vacuum fit_ting to the pressure fitting, and move the vacuumgauge hose from the vacuum side to the pressureside as shown.
PiESSURESIDE
5. Slowly pressurize the vapor line while watching thegauge. The pressure should stabilize at 1.3 - 4.7 kpa(0 - 35 mmHg, 0.4 - 1.4 in.Hg).. lf the pressure momentarily stabilizes (valve
opens) at 1.3 - 4.7 kpa (10 - 35 mmHg, 0.4 _ 1.4in. Hg), the valve is OK.. lf th6 pressure stabilizes below 1.3 kpa fio mmHg,0.4 inrHg) or above 4.7 kpa (35 mmHg, 1.4 in.Hg),install a new valve and retest.
T-FITTING
11-224
.98 - 0O models:
1. Remove the fuel fill cap.2. Remove the vapor line from the EVAP two wayvalve {located above the EVAP control canister). andconnect it to a T-fitting from vacuum gauge andvacuum pump as shown.
VACUUM/PRESSUFE
VACUUM PUMP/GAUGE,0 - 30 in.HgA973X - 041 -
xxxxx
5.
Apply vacuum slowly and continuously whilewatching the gauge.
The vacuum should stabilize momentarily at O.g _
2.1 kPa (6 - 16 mmHg, 0.2 - 0.6 in.Hg).lf the vacuum stabilizes (valve opens) below0.8 kPa (6 mmHg, 0.2 in.Hg) or above 2.1 kpa(16 mmHg, 0.6 in.Hg), install a new valve and retest.Move the vacuum pump hose from the vacuum fit-ting to the pressure fitting. and move the vacuumgauge hose from the vacuum side to the pressure
side as shown.
Slowly pressurize the vapor line while watching thegauge.
The pressure should stabilize momentarilv above1.0 kPa (8 mmHg, 0.3 in.Hg).a lf the pressure momentarily stabilizes (valve
opens) above 1.0 kPa (8 mmHg. 0.3 in.Hg), thevalve is OK.. lf the pressure stabilizes below ,|.0 kpa {g mmHg.0.3 in.Hg), install a new valve and retest.
T-FITTING
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lllustrated Index
NOTE:
. Whenever the transmission is removed, clean and grease the release bearing sliding surface
.lfthepansmarked*areremoved,theclutchhydraulicsystemmustbebled(seepage1\
2-6).
. Inspect the hoses for damage. leaks. interference, and twisting.
LOCK PIN
*CLUTCH LINE19 N.m (1.9 kgj.m,14 tbtft)
8 x 1.25 mm13 N.m {1.3 kgf m,9.4lbtft)
PEDAL PIN.RESEFVOIR
HOSE
*RESERVOIR TANK
CLUTCH PEDALAdjustment, page 12-4*CI-UTCH MASTER CYLINDERFemoval/lnstallation, page 12-5
6x1.0mm9.8 N.m (1.0 kgf.m,7.2 tbf.ft)
*CLUTCH LINE15 N.m (1.5 kgt m,11 tbr.ft)
*CLUTCH LINE24 N.m {2.4 kgf.m,17 tbf.ft)
CLUTCH DISCRemoval/lnspection, page 1 2-8Installation, page 12,13
8 x 1.25 mm25 N.m {2.6 kgt m,19 rbf.ftt
I x 1.25 mm22 N.m 12.2 kgl'm, 16lbfft)
.o-.9r
WM\,".0--
ffi-P"8Nmlloks{m'
FLYWHEELInspection, page 12IRepiacement, page 12-9
12 x 1.0 mm103 N.m (10.5 kgtm,75.9 lbf ftl
PRESSURE PLATERemoval/lnspection, page'12-7
Installation, page'12 13
RELEASE BEARINGRemoval/lnspection, page 12-1'!Installation, page 12-12
*CLUTCH LINE15 N.m (1.5 kgt m,11 tbf.ft)
12-3
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Clutch Pedal
Adiustment
NOTE:
. To check the clutch interlock switch and clutch
switch, see section 23.
. The clutch is self-adjusting to compensate for wear.
CAUTION: lf there is no clearance bstwa€n the mas-
ter cylinder piston and push rod, ths roloase bearingis held againsi the diaphragm spring, which canresuh in clutch slippage or other clutch probloms.
1. Loosen locknut A, and back off the clutch switch (or
sdjusting bolt) until it no longer touches the clutchpeoar.
2. Loosen locknut C, and turn the push rod in or out toget the specified stroke (@) and height (@) at theclutch oedal.
3. Tighten locknut C.
4. Thread in the clutch swirch (or adjusting bolt) untilit contacts the clutch oedal.
7.
5.
8.
q
Turn the clutch switch {or adjusting bolt} in an addi-
tional 3/4 to 1 full turn.
Tighten locknut A.
Loosen locknut B on the clutch interlock switch.
Measure the clearance between the floor board and
clutch pedalwith the clutch pedal fully depressed.
Release the clutch pedal 15 - 20 mm (0.59 - 0.79 in)
from the fully depressed position and hold it there,Adjust the position of the clutch interlock switch sothat the engine will start with the clutch pedal in
this position.
Tighten locknut B.10.
LOCKNUT B9.8 N.m 11.0 kgf.m, 7.2 lbf.ftl
CLUTCH INTERLOCK SWITCH
CLUTCH SWTTCH{or ADJUSTING BOLTI
L(rcKNUT A9.8 N.m {1.0 kg{.m,7.2 lbf.ftl
CLUTCH MASTER CYLINDER
PUSH ROD
Pedal in contact with swhch
LOCKNUT C18 N.m (1.8 kgf.m, 13lbtftl
@ {STROKE at PEDAL): 135 - 1its mm (5.31 - 5.71 in}
@ (TOTAL CLUTCH PEDAL FREE PLAY)i7 -22mm (0.28-0.87 in) inctude the pedat ptay 1 - 9 mm (0.0it- 0.35 inl@ (GLUTC,H PEDAL HE|GHTI: ltxt mm (7.20 inl ro rhe ftoor
o (CLUTCH PEDAL DTSENGAGEMENT HEtcHTl: 72 mm {2.txt inl minimum to the floor
\,/a_-_--/
12-4
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Glutch Master Cylinder
Removal/lnstallation
CAUTION:
. Do not spill brake fluid on the vehicle; it may damage
the paint; if brake tluid does contact the paint. wash
it off immediately with water.
. Plug the end ol the clutch line and leservoir hose
with a shop towel to prevent brake tluid trom coming
out.
The brake fluid may be sucked out through the top
of the master cylinder reservoir with a syringe.
Disconnect the clutch line and reservoir hose from
the clutch master cylinder,
't.
9.8 N.m 11.0 kst m,7.2 tbf.ftl
CLUTCH LINE
19 N'm 11 9 kgJ m'
14 lbf.frl
Remove the reservoir from the engine compartment
bulkhead.
13 N.m t1.3 kgt.m,g.il lbtft)
4. Prv out the lock pin, and pull the pedal pin out of
the voke. Remove the nuts.
NUTSI x 1.25 mm
5, Remove the clutch master cylinder.
CLUTCH MASTERCYLINDEF
Install the clutch master cylinder in the reverse
order of removal.
NOTE: Bleed the clutch hydraulic system {see page
12-61.
12-5
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