Engine sensor HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual

Disconnest the lilP connector from the control unit.
Csvity WireTest condition
R€conn€ct tho 14P connGctor to the control unit.
Test: Desired resultPossible cause it result is not obtained
BRNAr'VHTUnder all conditionsCheck for resistance to groundl
There should be 80 - 120 o.
Faulty actuator solenoid
Poor ground (G202)
An open in the wire1BRNUnder all conditionsCheck for resistance to groundl
There should be 40 - 60 0.
11BRN/BLKUnder all conditionsCheck for resistance to ground:
There should be 70 - 110 O.
2GRY
lgnition switch ON (ll),
main switch ON and
brake pedal depressed,
then released
Check for voltage to ground:
There should be 0 V with the pedal
depressed and battery voltage with
the pedal released.
. Faulty brake switch. An open in the wire
BLKUnder all conditionsCheck for continuity to ground:
There should be continuity.
. Poor ground (G401). An open in the wire
5GRNMHT
Brake pedal depressed,
then released
Check for voltage to ground:
There should be battery voltage with
the pedal depressed, and 0 V with
the pedal released.
Blown No.52 1'15 Alfuse in the
under-hood fuse/relay box
Faulty brake switch
An open in the wire
LT GRN/
RED
Set button pushedCheck for voltage to ground:
There should be battery voltage.Blown No. 52 {'15 A} fuse in the
under-hood fuse/relay box
Faulty horn relay
Faulty sevresume switch
Faulty cable reel
An open in the wire7LT GRN/
BLK
Resume button pushed
10RED/BLU
lgnition switch ON lll)Attach to ground:
Cruise indicator light in the gauge
assembly should come on.
Elown bulbBlown No. 25 (7.5 A) tuse in theunder-dash fuse/relay box
Faulty dimming circuit in the gauge
assembly
An open in the wire
ELU^r'r'HT
lgnitjon switch ON {ll}and main switch ON;
raise the front of the
vehicle, block one wheel
and rotate the other
wheel slowly.
Check for voltage between the
ELUA/VHT @ and BLK O terminalsl
There should be 0 - 5 V or more-0 - 5 V or more repeatedly.
Faulty vehicle speed sensor (VSS)
An open in the wire
r3LT GRN
lgnition switch ON {ll}and main switch ONCheck for voltage to ground:
There should be battery voltage.
Blown No. 14 (7.5 A) fuse in theunder-dash fuse/relay box
Faulty main switch
An open in the wire
l4PNK
A'/T: Shift lever in E, EotE
lvl/T: Clutch pedal
releaseo
Check for continuity to ground:
There should be continuity.NOTE: There should be no continu-
ity when the shift lever is in otherpositions or when the clutch pedal is
oepresseo.
Faulty A/f gear position switch 1A,/TlFaulty or misadjusted clutch switch
fi{/r)Poor ground (G101)
An open in the wire
BLU
Start tho engine. turnthe main switch ON, anddrive the vehicle over 25
mph (40 km/h)with the
crurse control set
Check for voltage to ground:
There should be approx.5 V
. Faulty cruise control unit. Shod to ground
*: '98 - 00 models with Automatic Transmission.
4-39
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22. Remove the radiator caP.
!@ use care when removing the radiatol
cap to avoid scalding by hot coolani or steam.
23. Raise the hoist to full height
24. Remove the front tires/wheels.
25. Remove the guard bar and splash shield.
8 x 1.25 mm2,1 N.m {2.4 kgf,m, 17 lbl ft)6x1.0mm9.8 N.m {1.0 kgf.m, GUARD BAR7.2 tbf.rr)
Loosen the drain plug in the radiator. Drain the
engine coolant (see page 10-51.
Drain the transmission oil or fluid. Reinstall the drain
plug using a new washer lsee section 13 (M/T) or sec-
tion 14 (ly'T)].
Drain the engine oil. Reinstall the drain bolt using a
new washer {see page 8-4).
Bemove the A,/C compressor. Do not disconnect the
!y'C hoses.
SPLASH
26.
27.
28.
29.
ER
lCEB
30. Disconnect the primary heated oxygen sensor (prl-
mary HO2S) connector. then remove exhaust pipe A
'97 - 98 U.S. models (Cslifornia):
PRIMARY HO2SCONNECTOR
GASKETReplace.
SELF-LOCKING NUT8 x 1.25 mm22 N.m 12.2 kgf.m,16 lbf.ftlReplace.
8 x 1.25 mm16 N.m {1.6 kgf.m.12 tbt.ftlReplace.
SELF.LOCKING NUT10 x 1.25 mm54 N.m 15.5 kgf.m,.() tbf.frlReplace.
NUT
'97 - 98 U.S. mod€ls {Except California):'99 - 00 models:
PRIMARY HO2SCONNECTORGASKETSReplace.
GASKETReplace.
SELF.LOCKING8 x 'l.25 mm22 N.m (2.2 kgf m,
16 rbf.ftlReplace.
SELF.LOCKING NUT
8 x 1.25 mm16 N.m 11.6 kgf.m,12 tbt fr)Replace.
10 x 1.25 mm54 N.m 15.5 kgt.m,40 rbt.ftlReplace.
{cont'd)
5-7
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13. Remove the upper radiator hose, heater hose and
water bypass hose.
WATER BYPASS
UPPEBRADIATORHOSE
17
HEATERHOSE
Remove the engine wire harness connectors and
wire harness clamps from the cylinder head and the
intake manifold.
o Four fuel injector connectors
. Engine coolant temperature (ECT) sensor con-
neclor
. Radiator fan switch connector
. Coolant temperature gauge sendlng unlt connec-
tor
. Throttle position sensor connector
. Manifold absolute pressure {MAP) sensor con-
nector
Primary heated oxygen sensor (primary HO2S)
connector
ldle air control (lAC) valve connector
Distributor connector
Remove the spark plug caps and distributor from the
cylinder head.
Remove the cruise control actuator (see section 4).
Support the engine with a jack, then remove the
upper bracket. Make sure to place a cushion
between the oil pan and the iack (see page 6-10).
a
18. Remove the cylinder head cover.
19. Inspect the timing belt (see page 6-9).
CYLINDER
(cont'd)
6-19
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lllustrated Index
OIL CONTROLORIFICE
OIL PUMPOverhaul, page 8-8Removal/lnspection, page 8 IApply liquid gasket tomating surface of engine block.
'99 - 00 models:KNOCK SENSOR31 N.m {3.2 kgf.m.23 lbl.ft)
ENGINE OIL PRESSURE SWITCH18 N.m {1.8 kgtm, 13lbl.ft)1/8 in. BSPT (British StandardPipe Taper) 28 Threads/inch.Use proper liquid sealant.
O-RING
DOWEL PIN
6x1.0mm9.8 N.m (1.0 kgf.m,7.2 tbl.ft)
8 x 1.25 mm24 N.m 12.4 kgf.m,17 tbf.ft)
BAFFLE PLATE
kgtm,7.2 lbtftl
Replace.
6x1.0mm9.8 N.m 11.0 kgf m,7.2 tbf.ftl
OIL PANGASKETReplace.
OIL PANBeferto page 7 22when installing.
6x1.0mm12 N.m 11.2 kglm,8.7 lblftl
WASHEBReplace.
DRAIN BOLT4,1N.m {,1.5 kgf'm,33 lbf ft)Do not overtighten.
'-- /o-RrNG ,/ Reptace.
\^ ./
v,/
U
6x1.0mm9.8 N.rn {1.0
SCREEN
8-3
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Water Pump
lllustrated Index
ENGINE COOLANTTEMPERATURE IECTISENSOR18 N.m 11,8 kgt.m,13 tbt.ftl
COOLANTTEMPERATUREGAUGEUNIT
6x1.0mm9.8 N'm (1.0 kgf.m,7.2 tbt frl
9 N.m {0.3 kgf.m,7 tbf.fttApply liquid gasketto the threads.
WATER OUTLETCOVERApply liquid gasker part No.087'18 - 0001 or 08718 - 0003to the mating surface.
RADIATOR FAN SWITCH2il N.m (2.i1 kgl.m,17 tbfft)
WATER PUMPlnspection, page 10-11
O-RINGReplac€.
6xl,0mm12 N.tn n.2 lgl.rn,8.7 tbf'ft)
CONNECTINGPIPE
6x1.0mm12 N.m 11.2 kgf.m,8.7 tbtftl
10-10
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Fuel and Emissions
Special Tools ...................... 11-2
Component Locations
lndex ...................... ....,.... 11-3
Svstem Description
Vacuum Connections ...........,....,.,................. 1 1-9
Electrical Connections ................................... 1 1-15
System Connectors .,.,,.,............................,.,. 1 1-36
Troubleshooting
Troubleshooting Procedures,.,..................... 11-60
Engine Control Module/Powertrain ConttolModule Terminal Arrangement .............., 11-67
Diagnostic Trouble Code Chart .................... 1 t-75
How to Read Flowcharts .......,.....,.,............... I 1-79
PGM-Fl System
System Description .................,.,.,,,............... 1 1-80
Troubleshooting Flowcharts
Engine Control Module/PowertrainControl Module ........11-52
Manifold Absolute Pressure Sensor ............. 11-90
Intake Air Temperature Sensor .................... 1 1-95
Engine Coolant Temperature Sensor .,..,.,.... 1 1-99
Throttle Position Sensor ...........,.....,.,.,..,...... I 1'103
Primary Heated Orygen Sensor (Sensor 1) ... 11-110
Secondary Heated Oxygen Sensor{Sensor 2l .................. 1 1-117
Heated Oxygen Sensor Heater ..................... 11-121
Fuef Supply System ......11-124
Random Misfire ,....,.,..... 11-126
Mistire Detected in One Cylinder .....-........... 11-128
Knock Sensor ................ 11-130
CKP/TDC/CYP Sensor .................................... 1 1-131
Vehicle Speed Sensor ...............................,.... 1 1-135
Barometric Pressure Sensor .....,...,...,.,,........ 1 1-137
Electrical Load Detector ...,.,.......................... 1 1-138
CKF Sensor ................,.,, '11-112
ECM/PCM lnternaf Circuit ............................. 11'117
HO2S Replacement .,.,.,. 11-148
ldle Control System
System Description ............ 11-149
Troubleshooting Flowcharts
ldle Control System ...... 11-150
fdle Air Control Valve ......................,............. 11-152
Air Conditioning Signal ................................. I 1-155
Alternator FR Signal ...................................... 1 1-159
Starter Switch Si9na1 .................................... t l-161
Power Steering Pressure Switch Signal ...... 11-162
Brake Switch Si9na1 ...................................... 11-166
Fast ldle Thermo Valve .,.,.............................,.,.,. 11-168
ldle speed setting .............. 11-169
Fuel Supply System
Fuel Lines ............................ 11-171
Fuef Tube/Ouick-Conneci Fittings ..................... 11 -175
System Description ............ 11-178
Fuel Pressurg ...................... 11-178
Fuel Iniectors ................,..... 11-179
Fuel Pressure Re9u1ator .............................,.,...., f 1-181
Fuef Fifter ....,.,.,.,,,,.,............11-142
Fuel Pump ........................... 11-183
Fuel Gauge .......................... 11-184
Fuel Gauge Sending Unit ................................... I 1-185
Low Fuel Indicator System ...........,.,..,............... 1 1-185
PGM-FI Main Relay ............. 11-187
Fue|Tank................ ............. 11-191
Intake Air System
System Description ............ 11-193
Air Cleanel ,.,.,..................... 11-194
Throttle Cable ..................... 11-194
Throttle Body........ .............. 11-196
Emission Control System
System D$cription ...,....,.,. 11-199
Tailpipe Emission ............... 11-199
Three Way Catalytic Converter ..................,.,...,, 11-199
Positive Crankcase Ventilation System .,.,,,,.,.., 11-2O1
Evaporative Emission Controls .........,.,.,............ 11-203
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Component Locations
lndex
'97 - 98 models:
MANIFOLD ABSOLUTEPRESSURE IMAP} SENSORTroubleshooting, Page 1 1-90
THROTTLE POSITION (TP}
SENSORTroubleshooting, page 1 1-103
toLE AtR CONTROL llAcl VAI-VE
Troubleshooting, page 1 1-152
EVAPORATIVE EMISSION (EVAP)
CONTROL CANISTER VENT SHUTVALVE t'98 mod€llTroubleshooting, page 11'213
INTAKE AIR TEMPERATUREIIATI SENSORTroubleshooting. page 1 'l -95
ELECTRICAL LOADDETECTOR IELD) (USA modol)Troubleshooting, page 1 1-138
VEHICLE SPEEDSENSOR (VSS)
Troubleshooting,page 11'135
CRANKSHAFTPOSTTtON/
POWER STEERING PRESSURElPsPl swtrcHTroubloshooting, page 1 1-162
TOP OEAD CENTER/CYLINDERPOStTtON{CKP/TDC/CYP} SENSOR(Built into the distributor)Troubleshooting, page 1 l-131
CMNKSHAFT SPEEDFLUCTUATION ICKF} SENSORTroubleshooting. page 1'!-142
ENGINE COOLANTTEMPERATUREIECTI SENSORTroubleshooting, page 11 99
EVAPORATIVEI€VAP) PURGE CONTROLSOLENOID VALVETroubf eshooting, page 1 1'2o5, 213
(cont'd)
11-3
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Component Locations
Index (cont'dl
39 - 00 models:
MANIFOLD ABSOLUTEPRESSURE IMAPISENSORTroubleshooting, page 1 1-90
THROTTLE POSITION {TP)SENSORTroubleshooting, page 1 1-103
IDLE AIR CONTROL OACI VALVETroubleshooting, page 1 1-152
EVAPOBATIVE EMISSION {EVAPICONTROL CANISTER VENT SHUTVALVETroubleshooting, page 1 1-213
EVAPORATIVE EMISSION(EVAPI PURGE CONTROI-SOLENOID VALVETroubleshootang, page 1 1-2'13
ELECTRICAL LOAOOETECTOR {ELD) IUSA modet)Troubleshooting, page I 1-138
INTAKE AIR TEMPERATURE(IAT) SENSORTroubleshooting, page 11 95
POWEB STEERING PRESSUREtPsPt swtTcHTroubleshooting, page 11 162VEHICLE SPEEDSENSOR IVSSITroubleshooting,page 11'135
CRANKSHAFTPOSTTTON/TOP OEAD CENTER/CYLINDERPOStTtON{CKP/TDC/CYP) SENSOR(Built into the distributor)Troubleshooting, page 11 131
CRANKSHAFT SPEEDFLUCTUATION ICKN SENSORTroubleshooting, page 1 1-142
SENSORTroubleshooting, page '11 130
ENGINE COOLANTTEMPERATURE{ECT)SENSORTroubleshooting, page 11 99
11-4
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System Description
Vacuum Connections (cont'dl
'97 model:
ENGINECOOLANT
ITr|ll
O PRIMARY HEATED oxYGEN sENsoR {PRIMARY Ho2s,SENSOR lt
O SECONDARY HEATED oxYGEN sENsoR {SECoNDARYHO2S. SENSOR 2l€) MANIFOLD ABSOLUTE PRESSURE (MAPI SENSOR@ ENGINE cooLANT TEMPERATURE {EcT} sENsoRO INTAKE AIR TEMPERATURE (IAI} sENsoR@ CRANKSHAFT SPEED FLUCTUATION ICKFI SENSORO |DLE ArR coNTRoL {tAc)vALvE@ FAST IDLE THERMo vALvEO THRoTTLE EoDY ITB)@ FUEL INJEcTonO FUEL PULSATIoN oAMPER@ FUEL FILTEn(} FUEL PRESSURE REGULATOR
FUEL PUMPFUEL TANKFUEL TANK EVAPORATIVE EMISSION (EVAPIVALVEAIR CLEANERRESONATORPOSITIVE CRANKCASE VENTILATION {PCVI VALVEEVAPORATIVE EMISSION {EVAP} PURGE CONTROLSOI.'ENOID VALVEEVAPORATIVE EMISSION {EVAP) CONTROL CANISTEREVAPORATIVE EMISSION {EVAPI TWO WAY VALVETHREE WAY CATALYTIC CONVERTER (TWC)
@(D(D
o@(}
@
@@@
1 1-10
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System Description
I
I
I
Vacuum Connections (cont'dl
'98 model:
C PRIMARY HEATEO OXYGEN SENSOR (PRIMARY HO2S,
SENSOR 1)(, SECONDARY HEATEO OXYGEN SENSOR ISECONDARYHO2S, SENSOR 2)(!)\\\\ss\SNBSS\\\ETRESS\RE\\NQ\SE\SSR
G) ENGINE COOLANT TEMPERATUBE (ECT) SENSOR
O INTAKE AIR TEMPERATURE {IAT} SENSOR
@ CRANKSHAFT SPEED FLUCTUATION (CKFI SENSOR
O IDLE AIR CONTROL (IAC) VALVE
@ FAST IDLE THERMO VALVE (A/T)
O THROTTLE BODY (TBI(0) FUEL INJECTOR.1' FUEL PULSATION DAMPER.14 FUEL FILTER(i FUEL PRESSURE REGULATOR14 FUEL PUMP(D FUEL TANK@ FUEL TANK EVAPORATIVE EMISSION {EVAPI VALVE
C] AIR CLEANER(O RESONATOR1iC POSITIVE CRANKCASE VENTILATION (PCV) VALVE
6 \$REE$IN gN NL$\C CON\ER\ER (TNC\
ti q rpos,xr E qN
ssros \E aP cqN\RoLcaNtsr€R
@ EVAPORATIVE EMISSION IEVAP) PURGE CONTROL
SOLENOID VALVEq3 EVAPORATIVE EMISSTON IEVAP} CONTROL CANISTER
VENT SHUT VALVE
@ EVAPORATIVE EMISSION (EVAP) TWO WAY VALVE
€i EVAPORATIVE EMISSION {EVAP) BYPASS SOLENOID
VALVE
€9 FUEL TANK PRESSURE SENSOROi EVAPORATIVE EMISSION {EVAP) THREE WAY VALVE
Qd PURGE JOINT
G/T only)
f
-i*'";-t
COOLANT Jt
U
11-12
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