1997 HONDA CR-V electrical connections

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
www.emanualpro.com

Electrical Connections -'97 Model
f_ --- --- -t _l-1r -lla^^^ tirrnl
(.J
no 3wrcx (-]lrLt -'o.:\-'tlDl"ii
\
HT:
v
l-I
tl
I-6,
I
4
' ^li lGPlf----;;ltl
tl
T
FUEL ll'tlEcToes
oa 9I3
aEt30F
TDC3ErcON
ctPSErAOi
CKF3EN30F
TO EIIF-
*f
ctovEu
A' lGI
aztL@,
Xo.2|NJ2 3
ca tDcP[{J3 A2
cra Tltcl
||tL
Gt ct(iP?
er2 cxP{
cfl ct(Ftr
1
Dta ELtr
c|| v!]3TL T'
t ^cc ^r?to l/C CLUTCfl BELAYto i^Ol^toh F tl REI Y,@III'C|{AEi FA'I iEL Y
rtT
c. K.uirEuNxcoi||lEctoh
SERVICECl|ECK@ NEqroi
I ^ca 6
d__-lb
qr 3c3
ilaALTF CI'
rt: usAEII ATPI{PE
6uI)r^ l
t*frl
E
t'-
bI. ATPfi
B2a AtPtX
E' TPDI
Att lEFOgn3wltc
gi7 alP:l
I
I
ON
Ei. ATPID{ND tir
FUSES :(D BACK uP (RADro) (7.sr0.
@ "o^n ttot (tuo)'(D BATfERY (IOOA) *
o rcl (4oA)*
GAIXIEASSEIBLY
(DFt E/ flsA).@ No.13 FUEL PU P ('l5A)
O No. 2s METER (7.5A)(D NO. 'I5 ALTERNATOR SP SENSOB (7.5A) *
O No. 3i STABTER SIGNAL (7.5A)*: In lhc und?r.lrood tu$/rclay bor
(cont'd)
1 1-15
www.emanualpro.com

System Description
Electrical Connections -'97 Model (cont'dl
EVAP PUFGE CONIROI SOLENOIO VALVE
SP€EOSENSOR
COUNERSHAFISPEEDSENSOF
CONTNOL SOIENOID VALVE A
PFESSUhE COI{TFOLsotENotD vALvE
Tor lEiLocK coNtFol UNlt
1 1-16
IERi'INAL LOCATIONS
www.emanualpro.com

System Description
Electrical Connections -'97 Model (cont'dl
No.2 FUEL IIUECIOF
cl09
11-18
www.emanualpro.com

System Description
Electrical Connections -'97 Model (cont'dl
c-F
BLKj
BLxj
E-F
ARNBLK
h-rF
BRN:eLKr
8Rt,l,'BLxjARN,'BI.K.
c113
E
11-20
www.emanualpro.com

System Description
Electrical Connections -'98 - 00 Models
POSll|O|lS TCltovEi-odYE
OAT'OEalsErELY"
(D EAGK uP (RADlo) (75A).
@ HoB sroP (rsAr
O BATTERY (tood'(D rci (4oa)'
O Fl E/trl (lsA)r(O No. 13 FUEL PUmP (l5A)
O No. 2s HETER O.5a)(D No. 15 AITERNATOB SP SENSoR (7.5A)'
@ r.ro. 3l STAnTER stcNAL (7.5A)t: in tha und!..hood fule/irl.y box
lo ^/c clwclr hEL Ylo iADIAIOR FAl{ iEt Y,coittct{3€F F l{ FCLAYYo |/C all'lc8
att
tr
*1: A/T'2: USA*3: '98 modol*il: '!X) - 00 model!
: lg ilT t(11 BATTERY ffi t./ ro3Ecl,|{rF STAFIEFI q,t REL Y
FUEL IUECIONA
www.emanualpro.com

System Description
Electrical Connections - '98 - 00 Models (cont'dl
!to2srficSECOiD hYHO2a (aE toh 2)
11-26
G]-l
ct sEt{goh
' c14t
I J/C
llo23 (SEltgOi O
l-
www.emanualpro.com

System Description
Electrical Connections -'98 - 00 Models lcont,dl
+lM
- + sL( yEL JJ{FiE-l
l-- sLU wnf - li,"+l_ 8rk _{lr]]]]]]] |
i
w;i-nu -
--- t_.1rq-vJK
CONOEflSER FANRELAY
rlrA/T.2: USA*4: '99 - 00 models
F >rt
-4.
" l---r'a
11-28
www.emanualpro.com