under hood fuse relay box HONDA CR-V 1997 RD1-RD3 / 1.G Owner's Guide

Both heater and A/C do not work.
Check the No. 17 (7.5 A)fuse in theunder-dash fuse/relay box, and theNo. 47 (7.5 A) fuse in the under-hood luse/relay box.
nophcc ih. fur.l.l, .nd r.check.
Check tor rn open in the wiro:1. Remove the heater controlpanellsee page 22 46).2. Turn the ignition switch ON (ll).3. Measure the voltage betweenthe No. 1 terminal of theheater control panel 8P con-nector and body ground.
R.pair opan in lha wlra batw.cnthe No. 1? fuaa and tha h.ltcrcontrol panal.ls thero battery voltage?
Chgck for an opan in th€ wirg:1. Turn the ignition switch OFF.2. Measure the voltage betweenthe No. l l terminal of thoheater control panel 20P con-noctor and body ground.
Repsil opon in tha wi.a batwcanth. No. 47 tur. and tho hoitorcontlol panol.
ls there battery voltags?
Check for an opon in the wire:Ch6ck lor continuity betwoen theNo. 7 terminal of the heater con-trol panel 8P connector and bodyground.
Check for an opon in tho wirab6{woon tho hoatar control p.noland body ground. It the wir. i3OK, chsck for poor ground rtGlOl lnd Glo2.
Check for loose wire3 or oooaconnection3 at the haater controlprnol 8P and 20P connoctors. Itthc conncction3 are good, substi-tuta a known-good h€ater con-trol prnol, and rechecft. lf thesymptom/indic.lion go.3 ewry,repl.cg the original ha.ter con-tlol oancl.
HEATER CONTROL PANEL 8P CONNECTOR
Wire side ot female terminals
HEATER CONTROL PANEL 2OP CONNECTOR
I2A,/1,/58910
1t12131a151517181920
WHT/BLU
Wire side of female terminals
23
{578
BLK
0
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Relay and Control Unit Locations
Engine Compartment
ELECTRICAL LOAD DETECTOR IELDIUNITUNDER.HOODFUSE/RELAYBOX
BLOWERMOTORRELAY
A/C COMPRESSORCLUTCH RELAY
RADIATORFAN EELAY
UNDER.HOODABS FUSE/RELAYBOX
t:
tr
tr
tr
;
-
''r@
Dl-- r rr r
23-6
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Gonnector ldentification and Wire Harness Routing
How to ldentity Connectors:
ldentification numbers have been assigned to all connectors, The number is preceded by the letter "C" for connectors.
"G" for ground terminals or "T" for non-ground terminals.
Location
HarnessEngine CompartmsntDashboardOthers lFloor, Door,
8oof, Tailgate)
Starter cableT1, T2 and @
Battery ground cableG1 and O
Engine ground cableT3
Transmission ground cableT4
G3
Engine wire harnessC101 through C137
T101 and T102
G101
Engine compartment ware harnessC201 through C218
G201 and G202
Under-hood ABS fuse/relay box
wire harness
t5ano9
Main wire harnessC301 through C309
C351 through C361
C401 through C447
G401 and G402
Dashboard wire harnessC501 through C524 (C525)
G501
Left side wire harnessC551 through C581
G551, G552 and G553
Right side wire harnessC601 through C605
lnterior wire harnessC701 through C703
Rear bumper wire harnessC641 through C643
Heater sub-harnessC731 through C740
Secondary heated oxygen sensor
sub-harness
C721 through C722
Combination switch sub-harnessC751 through C760
Driver's door wire harnessC661 through C667
Front passenger's door wire harnessC6Tl through C676
Left rear door wire harnessC681 through C684
Right rear door wire harnessC69'l through C694
Rear wire harnessC611 through C520
Tailgate wire harnessC631 through C634
G631
SRS main harnessC801 through C808
G801
High mount brake light sub-harnessC651 through C653
Fuel tank oressure sensor sub-harnessC645 through C647
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Connector ldentification and Wire Harness Routing
Connoctor or
Terminal
Number of
CavitiesLocationConnects toNotes
T1
r2
Right side of engine compartment
Right side of engine compartment
Under-hood fuse/relay box
Starter motor
oBatteryBattery positive terminal
Starter Cables
Battery Ground Cable
Connoctor or
Terminal
Number of
CavitiesLocationConneqts loNotes
GIRight front shock towerBody ground, via battery ground
cable
BatteryBattery negative terminal
Engine Ground Cable
Connector or
Terminal
Numb6r ol
CavitiesLocationConnects toNotes
T3Left side of enginePower steering pump bracket
Left side of engine compartmentBody ground. via engine ground
caote
Transmission Ground Cable
Connsstor o.
Terminal
Number of
CavitiesLocationConnects toNotes
T4Right side of engine compartmentTransmission
Right side of front frameBody ground, via transmissionground cable
Under-hood ABS Fuse/Relay Box Wire Harnsss
Conn6stor or
Terminal
Number of
CavitiesLocationConnocts toNotos
tcRight side of engine compartmentUnder-hood ABS tuse/relav box
@Battery88ttery positive terminal
23-12
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STARTER CABLE
UNDER-HOOD ABS FUSE/RELAYBOX WIRE HARNESS
@
EATTERY GROUNDCABLE
ENGINE GROUNDCABLE
TRANSMISSION GROUNDCABLE
23-13
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Connector ldentification and Wire Harness Routing
Engino Wire Harness
Connecto; or
Terminal
Number of
CavitiesLocationConneqts toNotos
c101
c102
c103
c 104
c105
c105
c106
c 107
c 108
c 109
c]10
c1l'l
c112
c113
c't 14
cl16
cl16
c117
c118
c119
c120
c121
c't22
c't23
c't25
cl26
cl27
cr 28
cl29
c130
c131
c132
c 133
c134
c134
c135
c 136
10
6
1
2
1
2
1
10
20
31
16
22
l0
l0'14
14
1
Left side of engine compartment
Left side of engine compartment
Middle of engine
Middle of engine
Left side of engine compartment
Left side of engine compartment
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Right side of engine
Middle of engine
Behind right kick panel
Under right side of dash
Under right side of dash
Under right side of dash
Under right side of dash
Under right side of dash
Right side of engine
Right side of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Left side of engine compartment
Middle of engine
Middle of engine
Main wire harness (C304)
Main wire harness (C305):'97 - 98 models
No. 1 fuel injector
Crankshaft speed fluctuation (CKF) sensor
Alternator
Alternator
Engine oil pressure switch
No.2 fuel injector
Evaporative emission (EVAP) purge
control solenoid valve
No. 3 fuel injector
No. 4 fuel injector
Primary heated oxygen sensor(Primary HO2S) (sensor 1)
Radiator fan switch
Coolant temperature sending unit
Engine coolant temperature (ECT) sensor
Mainshaft speed sensor
Lock-up control solenoid valve
Back-up light switch
Shift control solenoid valve
Linear solenoid valve
Countershaft speed sesnsor
Starter solenoid
Distributor
Junction connector
PCM
ECIWPCM
ECM/PCM
ECM/PCM
Main wire harness (C,|:}1)
IVT gear position switch
Vehicle speed sensor (VSS)
Throttle position (TP) sensor
MAP sensor
ldle air control (lAC)valve
lntake air temperature (lAT) sensor
Junction connector
Junction connector
Power steering pressure (PSP) switch
Junction connector
Knock sensor (KS)
A/r
USA
Canada
Alr
AlT
M/'r
Afi
'97mooel
'97 model'98 - 00
mooets
'99 - 00
models
T101
r102
Left side of en0ine companment
Right side of engine compartment
Alternator
Under-hood fuse/relay box
G101Middle of engineEngine ground, via engine wire harness
23-14
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Gonnector ldentification and WireHarness Routing
Main Wire Harness lEngine compartmont left and right branches)
Connectot ol
Terminal
Number ot
CavitiesLocationConneqts toNot€s
c301
c303
c304
c305
c306
c307
c308
c309
c352
c354
c356
c357
c358
c359
c360
LJO I
5
2
10
'14
1
1
t1
3
10
8
10
2
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Left side of engine companment
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Windshield wiper motor
Daytime running lights resistor
Test techometer connector
Engine wire harness (C10])
Engine wire harness (C102): '97 - 98models
Left front ABS wheel sensor
Engine compartment wire harness (C201)
Brake fluid level switch {-)Brake fluid level switch (+)
Under-hood fuse/relay box (C908)
Under-hood fuse/relay box (C906)
Under-hood fuse/relay box (C905)
Under-hood fuse/relay box (C907)
ABS modulator unit
ABS pump motor
Engine compartment wire harness (C218)
Engine compartment wire harness (C218)
Right front ABS wheel sensor
Under-hood ABS fuse/retay box (C931)
Under-hood ABS fuse/relay box (C9321
Evaporative emission (EVAP) controcanister vent shut valve
Canada
ABS
USA
ABS
ABS'97 - 98
models'99 - 00
mooets
ABS
ABS
ABS'98 - 00
mooets
G35lRight side of engine compartmentBody ground, via main wire harnessABS
23-18
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Fuses
Under-hood Fuse/Relay Box
ALTERNATOR
lTo engine wire harness {T102)l
cro1lTo condens€r tan .slayl
.: Not used
NOTE: View from the backside of the under-hood fuse/relay box.
BATTERY
lTo slarter cables lTlll
lTo main wirc harness 1C354)l
c903lTo radiator ten relavl
lTo blower motor releyl
lTo main wire harness lC351ll
c306fTo main wiro hamose (C352ll
c305lTo main wiie harnes lc353ll
DE
tr
tr
tr
r-'l
IJ
n11IJ
r'151
LI
r-'l56
IJ
r-'l57LJ
23-40
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Fuses
Under-hood ABS Fuse/Relay Box
lTo under-hood ABS fus6/r6lay box wire harnessl
c931lTo main wire harness 1C359)l
c933lTo ABS pump moto. relayl
c932lTo main wire harness (C360)l
23-42
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Power Distribution
Fuse-to-Gomponent(sl Index (numerical sequence)
Under-hood Fuse/Rolay Box:
41
43
44
46
47
48
49
50
52
Capacity
'100 A
40A
7.5 A
15 A
40A
7.5 A
30A
204
204
15 A
10A
40A
40A
204
20A
Capacity
40A
204
7.5 A
wiro ColorFuseCircuit(s) Prot€cted
A
lgnition switch (BAT)
lntegrated control unit
Ceiling lights
Spotlights
PGM-Fl main relay
Not used
No. 7, 8, 10, 11 fuse in the under-dash fuse/relay box
Audio unit
Clock {'98 - 00 models)
Data link connector ('98 - 00 models)
ECM (VBU) {'98 - 00 models: M/T)
Heater control panel
PCM (VBU) (A./T)
Combination light switch (via under-dash fuse/relay box)
No. 20, 33 fuse in the under-dash fuss/relay box
Not used
Rear window defogger (via relay)
Door lock control unit
Hatch glass opener solenoid
Keyless door lock control unit ('98 - 00 models)
Horn relay
Horns (via relay)
via brake switch:
ABS control unit
Brake lights
Cruise control unit
ECM ('98 - 00 models: M/T)
High mount brake iight
PCM (4./T)
Trailer lighting connector
Turn signal/hazard relay (via switch)
Option connector (+B)
No. 6 fuse in the under-dash fuse/relay box
Blower motor (via relay)
Condenser fan motor (via relay)
Ay'C compressor clutch (via relay)
Radiator fan motor (via relay)
Wire Color Circuitls) Protoct
53
54
50
WHT/BLK
WHT/RED
WHT/BLK
WHT/BLU
WHT/BLU
WHT
WHT/GRN
WHT/GRN
WHT/GRN
WHT/BLK
WHT/RED
BLU/WHT
WHT
RED
BLK/RED
Under-hood ABS Fuss/nehy Box:
Fusg
61WHT
WHT/GRN
BRN/YEL
ABS pump motor {via relay}
ABS control unit
ABS control unit
{cont'd)
23-43
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