1999 HONDA CR-V ect

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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Special Tools
Ref. No. Tool NumberDescriptionOty Page Reference
q
t3'
,3)l
6rl
A973X_041 _XXXXX
07JAZ 0010008
07PAZ , 0010100
07sAz - 001000A
07405 - 0040001
Vacuum Pump/Gauge,0 - 30 in.Hg
Vacuum/Pressure Gauge, 0 4 in.Hg
SCS Service Connector
Backprobe Set
Fuel Pressure Gauge
1
1
2
1
'11-201 . 208,214,
215,2't6,217 ,220,
221 , 222, 223, 224
11 207 , 224
11-60, 83, 88, 1 16,
128,200,205
11-62
11-178, 181
Special Tools
I
11-2
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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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DATA LINK CONNECTOR {DLC) I16P}Troubleshooting Procedures, page 1 1'60PRIMARY HEATED OXYGEN SENSOR
{PRIMARY HO2SI {SENSOR 1)Troubleshooling, page 11 110
SECONDARY HEATED OXYGENSENSOR{SECONDARY HO2S) {SENSOR 2)Troubleshooting, page 1 1-1 17
'97 - 98 models:
AIR CLEANERReplacement, page 1 1'194
Troubleshooting, page 1 'l -200
THROTTLE BODY (TB)Inspection, page 11 196Removal, page 11-197Disassembly, page 1 1-'198
POWERTRAIN CONTROL MODULE(PCM) (A/TI
Troubleshooting Procedures, page 1 1-60Troubleshooting. page 1 1'82
THROTTLE CABLEInspection/Adjustment, page 1 1-1 94Installation, page 11- 195
VENTILATION (PCV) VALVEInspection, page 1 1-201FAST IDLEVALVE (A/T}
(cont'd)
1 1-5
PGM-FIMAIN RELAYRelay Testing, page 11-l87Troubleshooting. page 1'1 188
SERVICE CHECK CONNECTOR {2PITroubleshooting Procedures, page 1 1-60
,a'=_-_
WAY CATALYTIC
Inspection, page 1 1-168
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Component Locations
Index {cont'd)
39 - q, models:
THROTTLE BODY ITB)Inspection, page 1 1-196Removal, page 11- 197Disassembly, page 11 198THROTTLE CABLEInspectaon/Adjustment, page 1 1 194Installation, page I l'195
AIR CLEANERR€placomenl, page 1 1-194
CRANKCASEVENTILATION IFCVI VALVElnspection, page 11 201
FAST IDLE THERMO VALVE IA/T)Inspection, page 11'168
1 1-6
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FUEL PRESSUREREGULATORTesting, page 11-181Replacement, page 11 181
FUEL PUMPTesting, page 11 183Replacement, page 11 183FUEL GAUGE SENDING UNITTesting, page 11 185
'97 model:
'98 model:
FUEL PULSATION DAMPER
EVAPORATIVE EMISSIONIEVAP) CONTROL CANISTERTroubleshooting. page 1'l-205
FUEL FILTERReplacement, page 11 182
FUEL INJECTORSReplacement, page 1 1-179
FUEL FEED PIPEFUEL VAPOR PIPE
FUELFITTINGS
FUEL FILLCAP
EVAPORATIVE EMISSION
IEVAPI TWO WAY VALVETesting, page 11 224
TANKReplacement, page 11 191
-CONNECT
Precautions, page 1 1-175Disconnection, page 11 175Connection, page 1 1-176
FUEL FILTERReplacement, page 11 182
FUEL FEED PIPEFUEL VAPOR PIPE
FUEI- TANKReplacement,page 1l 191
FUEL TUBE/OUICK.CONNECTFITTINGSPrecautions, page 11 '175
Disconnection, page 11 175Connection, page 11 176
FUEL PUMPTesting, page 11 183Replacement, page 11 183FUEL GAUGE SENDING UNITTesting, page 1l'185
FUEL FILL CAP
FUEL TANK PRESSURESENSORTroubleshooting, page 1 l-209
FUEL PULSATION DAMPER
EVAPORATIVEEMTSSTONIEVAPICONTROLCANISTERVENTSHUT VALVETroubleshooting,page 11'213
EVAPORATIVE EMISSIONIEVAPI CONTROL CANISTERTroubieshooting, page 1 1 -213
FUEL RAIL
FUELFeplacement, page 1 1-179
FUEL PRESSURENEGULATORTesting, page 11-181Replacement, Page 11 181
EVAPORATIVE EMISSION{EVAP) EYPASSSOLENOID VALVETroubleshooting, page 1 1'213
€VAPORATIVE EMISSION{EVAP) TWO WAY VALVETesting, page 11 224(cont'd)
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Gomponent Locations
Index lcont'd)
'99 - (X) modols:
FUEL TANKReplacement,page 11-191
FUEL FEED PIPE
FUEL FILTERReplacement, page 11 182
FUEL VAPOR PIPE
FUELFITTINGS
FUEL PUMPTesting, page '11 183Replacement, page 1 1_183FUEL GAUGE SENDING UNITTesting, page 11-185
FUEL FILL CAP
EVAPORATIVE EMISSIONIEVAP) CONTROLTroubleshooting, page 1 1-213
FUEL PULSATION DAMPER
FUEL RAIL
FUELReplacement, page 1 1-179
EVAPORATIVEEMtSStON
IEVAP)CONTROLCANISTERVENTSHUT VALVETroubleshooting,page 11-213FUEL TANK PRESSURESENSORTroubleshooting, page 1'l'208
EVAPORATIVE EMISSION{EVAP) TWO WAY VALVETesting, page 11-224
FUEL PRESSUREREGULATORTesting, page 11-181Replacement, page 11 181,CONNECT
PrecaLrtions, page 1 1-175Disconnection, page 1 1-175Connection, page 176
EVAPORATIVE EMISSION{EVAPI BYPASSSOLENOID VALVETroubleshooting, page 11 213
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