1999 HONDA CR-V Fuel system

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Page 282 of 1395

HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual 
PGM-FI System
System Description
INPUTS
CKP/TDC/CYP Sensor
CKF Sensor
MAP Sensor
ECT Sensor
IAT Sensor
TP Sensor
Primary HO2S
Secondary H02S
vss
KS*5
BARO Sensor
ELD*6
Starter Signal
ALT FR Signal
Ai

Page 283 of 1395

HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual 
Fuel Cut-off Control
. During deceleration with the throttle valve closed, current to the fuel injectors iscutoffto improvefuel economyat
speeds over 970 rpm (97 - 98 models), 920 rpm (99 - 00 mode

Page 288 of 1395

HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual 
PGM-FI System
Tho Maltunction Indicator Lamo(MlL) n6Yor como3 on leven lortwo laconds) rft6r tho ignhion isturnod ON {lll.
Turn th6 ignition switch ON (ll).
- Repair lhort or opcn in thowire between

Page 312 of 1395

HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual 
PGM-FI System
Primary Heated Oxygen Sensor (Primary HO2S) (Sensor 1)
The Heated Oxygen Sensors (HO2S) detect the oxygen content in the exhaust gas and signal the ECM/PCM. In operation,
the ECM/PCM re

Page 314 of 1395

HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual 
PGM-FI System
99 - 00 models:
- The MIL has bsen reported on.- DTC P0131 ir storod.
Problem ve fication:1. Do the ECM/PCM Reset Pro-cedure,2. Start the engine. Hold theengine at 3,000 rpm with noloa

Page 318 of 1395

HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual 
PGM-FI System
Primary Heated Oxygen Sensor (Primary HO2S) lSensor 1) (contd)
tFO133  lhe scan tool indicates Diagnostic Trouble Code (DTC) P0133: A slow response problem in the Primary Heated: Oxyse

Page 326 of 1395

HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual 
PGM-FI System
Fuel Supply System
[POliil The"""ntool indicates Diagnostic Troubte Code (DTC) p0171:Thefuet system istoo lean.
[Fo17ZJ rh""""ntool indicates Diagnostic Troubte code {DTc) p0172:Thefue

Page 328 of 1395

HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual 
PGM-FI System
Random Misfire
lF()gool", tftod- and some or lpiogol throughTo3oti
The scan tool indicates Diagnostic Trouble Code (DTC)
P0300*,, P1300*1 and some of po30t - pO3O4; Randommisfire.
Desc