honda cr v 19997 2000 User Manual

							
lFrom page 11 188)
Ch6ck lor an open in the wir€
{FLR line):1. Turn the ignition switch OFF.
2. Disconnect the PCM connec-
tor A (32P).
3. Check for continuity between
the PGM-FI main relay 7P con-
nector terminal No. 1 and PCM
connector terminal A16.
Repair open in the wire be{weonthe PCM lAl6l and the PGM-FImain relay.
Check for an open in the wir€s
{lGP1, lGP2lin€s):1. Reconnect the PCM connectorA (32P).
2. Reconnect the PGMFl main
relay connector.3. Turn the ignition switch ON (lli.
4. Measure voltage between PCM
connector terminals A11 and
A10, and between A24 andA10.
- Repair open in the wir€ bet
ween th€ PCM {A11, A2ia} end
the PGM-FI main relay.- Reolsce the PGM-FI main rolaY.
ls there battery voltage?
Check tor an open in the PCM:
1. Turn the ignition switch OFF.2, Measu re voltage betweenPCM connector terminals A16
and A10 when the ignition
switch is first turned ON {ll) for
Substitute a known-good PCM
and recheck. lf ptesctibed volttgeis now available, roplaco tho origin.lPCM.
ls there 1.0 V or less?
Check the PGM-Fl m.in.elaV(see page 11-187).
(97 model)
IGRN/YELI
-t
PGM.FI MAIN RELAY 7P CONNECTOR (C432I
FLR
Wire side of lemale terminals
IGP2(YEL/BLK)
(contd)
_l
1 1-1 89
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Fuel Supply System
PGM-FI Main Relay (contdl
(98 - 00 models)-l
(From page 11,188)
Check lor an open in the wire(FLR line):1. Turn the ignition switch OFF.2. Disconnect the ECM/PCM connector A (32P1.3. Check for continuity betweenthe PGM-FI main relay 7P con-nector terminal No. 1 and ECM/PCM connector terminal 416.
Repaia open in the wire betweenthe EcM/PcM lAl5l .nd thePGM-FI m.in relay.
Check for an open in the wiresllcPl,lGP2linos):1. Reconnect the ECM/PCN4 con-nector I (25P).2. Reconnect the PGM Fl mainretay connector.3. Turn the ignition switch ON  l).4, Measure voltage betweenECM/PCM connector terminalsB1 and 82, and between 89and 82.
Ropai. open in tho wire b6t-we€n th. ECM/PCM lBt, Btl.nd the FGM-FI main rd.y.R€plac€ th6 FGM+| main retay,
Chock for an open in the ECM/PCM:1. Turn the ignition switch OFF.2, Measure voltage betweenECM/PCM connector terminals416 and 82 when the ignitionswitch is first turned ON (tl) for
Subrtitute e known-good ECM/PCM and recheck. lf prescribsdvoltage b now ovrihble, replacothe originel ECM/PCM.
ls there 1.0 V or less?
Check the PGM-FI main.elav(s6e page 11-1871.
PGM.FI MAIN RELAY 7P CONNECTOF (C€2)
Wire sid€ of female terminals
ECM/PCM CONNECTOR B I25PI
IGP2(YEL/BLKI
ECM/PCM CONNECTORS
a t32Pl
Wire side of female terminals
Wire side of f€male terminsls
1 1-190
DdeJt;;liL-F-T--
PGl(BLK}
38s l1011131719202122
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Fuel Tank
Replacement
1. Relieve the fuel pressure (see page 11-178).
2. Fold the left rear seat cushion forward, and remove the base frame cover {see section 20).
3. Remove the access panel from the floor.
4. Disconnect the 5P connector 1C562) and 6P connector (C580) (98-00 models)
5. Disconnect the fuel return hose and quick-connect fittings {see page 11-175}
6. Jack up the vehicle, and support it with jackstands.
7. Remove the middle floor beam.
8. Remove the drain bolt, and drain the fuel into an approved contaaner.
g. Disconnect the hoses (see page 11-173, 174). slide back the clamps. then twist hoses as you pull, to avoid damaging
them.
10. Place a jack, or other suppon, under the tank
11. Remove the strap nuts, and let the straps fall free
12. Remove the fuel tank. lf it sticks on the u ndercoat applied to its mount, carefu lly pry it off the mount,
13. lnstallthe drain bolt with a new washer, then coat the drain bolt with Noxrust 1248
Allow the Noxrust to dry for 20 minutes.
14. Install parts in the reverse order of removal.
97 modol:AOCESS PANEL
CONNECTOR
@ Do not smoke while working on fuol systam Keep open flame away from your work area
DRAIN EOLT49 N.m15.0 kgfm,36 rbt frl
(contd)
1 1-191
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Fuel Supply System
Fuel Tank (contd)
,98 - 00 models:
6P CONNECTOR
38 N.m(3.9 ksf.m,28lbtftl
I
5P CONNECTOR
I
\
11-192
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Intake Air System
System Description
The system supplies air for all engine needs. lt consists of the intake air pipe, Air Cleaner, intake air duct, Throttle Body
(TB), ldle Air Control (lAC) Valve, fast idle thermo valve, and intake manifold. A resonator in the intake air pipe provides
additional silencing as air is drawn into the system.
INTAKE MANIFOLD
YEL| - - Fiom PGMFI
BLK T MAIN RELAY
IDLETHERMO
lJ- _iuouj
INTAKEAIR DUCT
vaRtousSENSORS
FESONATON
THROTTLEBODY (TB)
1 1-193
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Intake Air System
Air Cleaner
Air Cleaner Eloment Rsplacomsnt
NOTE: Do not clean the air cleaner element by blowingit off with compressed air,
AIR CLEANER ELEMENTNo.mal conditions:Replace air cleaner element every30,000 miles {48,000 km) or 24months whichever comes first.Severe condition3:Replace air cleaner element every15,000 miles 124,000 km) or 12months whichever comes tirst.
m
11-194
Throttle Cable
Inrpection/Adiustmcnt
1. Stan the engine. Hold the engine at 3,000 rpm with noload (in Park or neutral) until the radiator fan comeson, then let it idle.
2. Check that the throttle cable operates smoothly withno binding or sticking. Repair as necessary,
3. Check cable free play at the throttle linkage. Cabtedeflection should be 10- 12 mm (3/8 - 1l2in.l.
97 - 98 modols:
CABLEBRACKET
LOCKNUT
DEFLECTION10-12mmBIA- 112 i^l
99 - 0O modsls:
lf deflection is not within specs, loosen the locknut,turn the adjusting nut untilthe deflection is as speci-fied, then retighten the locknut.
With the cable properly adjusted. check the throttlevalve to be sure it opens fully when you push theaccelerator pedal to the floor. Also check the throt-tle valve to be sure it returns to the idle position
whenever you release the accelerator pedal.
DEFLECTIONl0-12mft
Bla - 112 inl
NUT
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lnstellation
1. Open the throttle valve fully, then install the throttle
cable in the throttle linkage, and install the cable
housing in the cable bracket.
97 - 98 modols:
THRoTTLE LINKAGE CABLE
INNER CABLE
- (Xl modols:
LOCKNUT
99
2.Sta.t the engine. Hold the engine at 3.000 rpm with
no load (in Park or neutral) until the radiator fan
comes on, then let it idle.
Hold the cable sheath, removing all slack from the
cable.
Set the locknut on the cable bracket.
Adiust the adjusting nut so that its free play is 0 mm.
Rimove the cable sheath from the throttle bracket,
reset the adjusting nut and tighten the locknut.
ADJUSTING
BRACKET
97 - 98 modals:
lhere should beno clearance.
AD.USTING NUT
99 - 00 modeb:
CABLEBRACKET
9.8 N.ml1.0 kgtm,7.2 tbr.ft)
9.8 N.m(1.0 kg{.m,7.2lbllrl
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Intake Air System
Throttle Body
Doscription
The throttle body is a single-barrel side-draft type. The
lower portion of the throttle valve is heated by engine
coolant from the cylinder head. The idle adjusting screw
which regulates the bypass air is located on the top of
the throttle bodv.
The illustration shows97 - 98 models,99 - 00 rnodelsare similar.
1 1-196
lnspection
Check that the throttle cable operates smoothly without
binding or sticking.
lf there are any abnormalities, check for:. Excessive wear or play in the throftle valve shaft.. Sticky or binding throttle lever at the fully closed posi-
tton.
. Clearance between throttle stop screw and throttle
lever at the fully closed position.
97 - 98 models:
THROTTLE LINKAGE
Replace the throttle body if there is excessive play in the
throttle valve shaft or if the shaft is binding or sticking.
THROTTLE LINKAGE
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Removal
97 - 98 models:MAP SENSOR
R	
,:4W)
TP SENSOR
FAST IDLE THERMOVALVE (A/T onlyl
99 - O0 models:
TP SENSOR
a
F(\g-.-
22 N.m
12.2 kgl m,16 tbtft)
FAST IDLE THERMOVALVE lA/T only)
NOTE:
. Do not adjust the throttle stop screw.
. After reassembly, adjust the throftle cable (see page 11-194).
. The TP sensor is not removable.(contd)
11-197
GASKET
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Intake Air System
Throttle Body (contd)
Disassembly
O-RING {A/l only)Replace.
IDLE THERMOVALVE (A/T only)
ADJUSTINGSCREW
9.8 N.m(1.0 kgl.m,7.2 lbf.ftl
The illustration shows97 - 98models,99 00 models are similar.
1 1-198
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