2000 HONDA CR-V service indicator

- With engine running, the ABSindicsior is ON.- With the SCS service connec-tor conn€cted (s€€ page 19381,no DTC is indicated.
Check the ABS {7.5 A) fuse in theundeFdash fuse/relay box, andreinstall the fuse if it is OK.
ReDlace lhe tuse and recheck.
Check the ABS +B (20 A) fuse inthe underhood ABS fuse/relaybox, and reinstall the fuse if it isoK.
Replace the fuse and rocheck.
Check for sn open in the lG2 cir-cuit:1. Turn the ignition switch ON {ll).2. Measure the voltage betweenthe ABS control unit 26P con-nector terminal No. 3 andbody ground.
Repair open in tho wire betweenthe ABS {7.5 A} fu3e .nd the ABScontrol unit,
Check for an open in the 81 and82 circuit:Measure the voltage betweenbody ground and terminals No. 14and No. 15 individually.
Ropair open in tho wi.e betweenrhe ABS +B {20 A) fuse and theABS control unit.is there battery voltage?
ABS Indicator Does Not Go Off (No DTGI
A8S CONTROL UNIT 26P CONNECTOR
IG2IBLK/BLU)
Wire side of female terminals
ABS CONTROL U N 26P CONf{ECTOR
{WHT/GRNI
(cont'd)
Wire side of female terminals
(To page 19 44)
19-43
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- With ths ignition switch ONllll, the ABS indicatol doesnot go ott.- Atte. driving, the ABS indica-lot comas on.- With the SCS service connec-tor connocted (s€€ page 19.381,DTGr 11 - 18 sre indbated.
Check the whcol sensor circuit:1. Disconnect the ABS controlunit 26P connector.2, Nleasure the resistancebetween the appropriate wheelsensor l0) and 1'l) circuit termi-nals {see table).
. Ropair op€n in th. {01 o. lll cir-cuit wire, oa short to the (01 cir-cuit wire in the lll circuit wirobetweon the ABS control unitand th. appropriate whasl sen-sot.. Roplace the rpp.opriatc whe6lSensor.
ls the resistance OK?
/Fronr:750 - r,050 o (20"C,68"F\
\Rear: 950 -'1,450 O (20"C, 68'F,
Chock lor a short 10 power in thewheel sensoa ciacuil:1. Reconnect the ABS control unit26P connector.2. Start the engine.3. Measure the voltage betlveenthe ABS control unit 26P con-nector appropriate wheel sen-sor (0) circuit terminal andbody ground (see table).
Ropair lhort to pow.r in the l0lot 11) circuit wiro between theABS control unit and the appro-priate whool sen6or.
ls there 4 V or more?
Check for a short to body groundin the whoal s.n3or cilcuit:1. Disconnect the ABS controlunit 26P connector.2. Check lor cont;nuity betweenthe ABS control unit 26P con-nector appropriate wheel sen-sor {0) circuit terminal andbody ground {se6 table).. Ropair short to body g.ound inth6 {01 or {1} circuit wirebotweon th6 ABS cont.ol unitand tho appropriato wheol son-aot.. Roplace tho appropriate wheelsensot.
DTC 11 - 18: Wheel Sensor
NOTE: The ABS indicator comes on only when the drive wheels are turning and signal disturbance is detected, Therefore, test-drive the car at a speed of 12 mph (20 km/h) or more after turning the ignition switch from OFF to ON l), and if the ABS indica-tor does not come on, the svstem is OK.
RLl (LT BLUI FRl IGRN/BLKI
Wire side of female terminals
NOTE: Judgement value for short
NO
NOTE:. Normalvoltage: Approx. 2 V.0 V: Replace the ABS control unit.. 4 V or more indicates a shon to power.
NO(cont'dl
ABS CONTNOL UNIT 26P CONNECTOR
RROIBLU/YEL}
RRT IGRN/YELI
FLO(BRN/WHTI
FLl IGFN/ORN}
DTCAppropriate Terminal
{0}srDE(1)S|DE
11, l2lRight-front)No.8: FnoNo.21: FR1
13, 14 (Left-front)No. 10rFLoNo. 23: FLl
15, 16 (RightreadNo.4: RRoNo.17: RR1
17, l8 (Lsft-rear)No.6: RLoNo.19: RL1
(To page 19-46)
19-45
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DTC 31 - 38: Solenoid
ABS CONTROL UNIT 22P CONNECTOR
Wire sade of female terminals
Wire side of female terminals
ABS CONTROL UNIT 26P CONNECTOR
FL.OUT IYEL/8LKI
DTCAppropraateConnectorTerminal
31: FR'lN22PNo. 1
32: FR OUT22PNo. 12
33: FL lN22PNo. 11
34: FL OUT22PNo.10
35:RR-lN26PNo.13
36: RR-OUT22PNo.21
37: RLIN26PNo.25
38: RL-OUT26PNo. 12
RL.OUT {YELI
FL.OUT IYEL/BLKI
DTCAppropriateTerminal
31: FR lNNo. 2i SCOM
32: FR-OUTNo. 2: SCOM
33: FLINNo.1:PCOM
34: FL-OUTNo. 1:PCOM
35:RRINNo. 1: PCON4
36: RR-OUTNo. 1: PCON4
37rRL-lNNo. 2: SCOM
3a: RL-OUTNo. 2: SCOM
RL.OUT {YELI
- With the ignition switch ON{lD, tho ABS indicator doesnot go off, or the ABS indic.-lor comes on whil6 ABS istunctioning.- With th€ SCS service connoc-tor connoctcd {sce page 1$381,DTCa 31 - 38 ars indicatsd.
Check for a 3hori to power in th€solenoid ci.cuit:1. Disconnect the ABS controluntr tlr ano zbr connectors_2. Start the engine.3. Measure the voltage betweenthe appropriate ABS controlunit connector solenoid circuitterminal and body ground (see
table).
R€pair short to power in theapprop.iato solenoid circuit wirebetwe€n the ABS control unitand the modulator unh.
ls there baRery voltage?
Chock for a short to body groundin the sol€noid circuit:Check for continuity between theappropriate solenoid circuit termi-naland body ground (see table).
. Ropair short to body ground inthe appropriato solenoid circuitwire betwoon the ABS controlunit and the modulator unit.. Replace the modulator unit.
ls there continuity?
Check the ABS control unit:1. Turn the ignition switch OFF.2. Connect the ABS control unit22P and 26P connectors.3. Connect the SCS service con-nector.4. Turn the ignition switch ON (ll).5, Measure the voltage betweenthe appropriate ABS controlunit 26P connector COM circuitterminal and body ground (seetable).
Check tor loose ABS control unitconnectors. ll nece$ary, substi-tut€ a known-good ABS controlunit and recheck.
ls there approx. 3 V7
PCOM
(To page l9-48){GRN/WHTI
19-47
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Troubleshooting
DTG 54: Main Relay
IWHT/GRNI
AAS CONTROL UNIT 26P CONNECTON
Wire side of female terminals
ABS COf{TROL UN]T 22P CONNECTOR
PCOMIGRN/WHTIscoM{BLK/WHTI
Wire side of female terminals
- With the ignition switch ON(lll, the ABS indicator doesnot go off.- With the SCS service connec-tor connected {see page 19-381,DTC 54 is indicatod.
Check the ABS +B 120 A) fuse inthe under-hood ABS luse/relaybox, and reinstall the fuse if it isoK.
FeDlace the tu3e and recheck.
Ch€ck tor an open in the 81, 82circuit:Measure the voltage betweenbody ground and the ABS controlunit 26P connector terminal No. 14and No. 15 individually.
Repair open in the wiro bstweonth6 ABS conirol unit and theunder-hood ABS fuse/rolay box,
ls there battery voltage?
Check for a short to body groundin the PMR circuit:L Turn the ignition switch OFF.2. Remove the pump motor relay.3. Disconnect the ABS controlunit 22P connector.4. Check lor continuity betweenterminal No. 19 and bodygrouno.
Repair short to body ground inthe wire betweon the under-hood ABS lGe/r.lay box and theABS control unit.
Check for a short to body groundin the PCOM, SCOM cilcuit:1. Disconnect the ABS controlunit 26P connector.2. Check tor continuity betweenbody ground and the ABS con-trol unit 26P terminals No- 1and No.2 individually.
. R€pair short to body ground inth€ P1COM circuit wire betweenthe ABS control unit and theund6r-hood ABS tuse/r6layoox.. R6p.ir short to body ground inthe PCOM or SCOM circuit wirebetweon th6 ABS control unitand lhe mod!lator unit.. R.Dlece tho modulrtor unit.(Short circuit inside the unitl
ls there continuity?
(To page 19-53)
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Self-diagnosis Function
The heater control panel has a self-diagnosis function.
Running the Self-diagnosis Function'97 mod€l:
Turn the ignition switch ON {ll), then set the mode control dial to the Vent position, and the recirculation controt switch toRecirculate {recirculation indicator light comes on). Press and hold the recirculation control switch to Fresh (recirculation indi-cator light goes off). Continue to hold the switch; the recirculation indicator light will come on for two seconds. then it willblink the Diagnostic Trouble Code (DTC) to indicate a iaulty component. lf no DTC'S are found, the indicator liqht will notblink atter the initial two second light.
'98 - 00 models:
Set the mode control dial to the Vent position, and turn the ignition switch ON (ll). Within six seconds after turning the igni-tion switch on, press the recirculation control switch the required number of times depending on the recirculation indicatorlight status:
.lftheindicatorlightisON,presstherecirculationcontrol switch five times..lftheindicatorlightisOFF,presstherecirculationcontrol switch six I|mes.The recirculation indicator light will come on for two seconds, then blink the Diagnostic Trouble Code (DTC) to indicate afaulty component. lf no DTC'S are found, the indicator light will not blink after the initial two second liqht.
DTC Indicaiion Pattern {See DTC 3}:
Rocirculationindicatorlight on
Recirculrtionindicatorlighi off'97 model:P.ess and hold th6 recircul.tioncontrol switch'98 - 00 modek:Within six second3 atter theignition switch b turned ON (lll.Prass the rocirculation controlswitch the required number oltimes depending on the r6circu-lation indicator light striu3
,r*
/1.5 aaa 0.3 aac
RECIRCULANONINDICATOR LIGHT
In case of multiple problems, the recirculation indicator light indicate only one DTC that is the least number of blinks.
Resetiing the Solf.diagnosis Funqtion
Turning the ignition switch OFF will cancel the self-diagnosis function. After service work, run the self-diaqnosis functiononce again to check that there is no other Droblem.
MODE CONTROL OIAL
Diagnostic
trouble
code {DTCI
R6circulation
indicator lightComponent with problsmPossiblo causcSee page
'lOne blinkAir mix control molorOpen or short circuit, obstructed door,
faulty motor22-12
2Two blinksElower motorOpen or short circuit, faultv motor22-14,16
Three blinksEvaporator temperature sensorOpon or short circuit, faulty sensor22-20
t
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BLKG401
GroundWir€ ColorComponent or Circuits Grounded
ABS indicator circuit
ABS control unit
Ashtray light
A/T gear position indicator dimming circuit
Brake fluid level switch
Clock ('98 - 00 models)
Clutch inrerlock switch (M/T)
Clutch switch (Mff)
Cruise main switch
Cruise indicator circuit
Cruise control unit
Dash lights brightness controller
Data iink connector
Daytime running rights control unit (Canada)
Front accessary socket
Gauge and indicators
Heater control panel
lgnition key light control unit ('97 model)
lgnition key switch
Integrated control unit
Interlock control unit (Ay'T)
Parking pin switch {A,/T)
Power window relay
Rear accessary socket relay
Bear window defogger relay
Rear window wiper control unit ('97 model)
Service check connector
Spotlights
SRS indicator circuit
Turn signal/hazard relay
Windshield wiper motor
Windshield wiper/washer switch- plus everything grounded through G402
ABS control unit
Blower motor relay
Blower motor high relay
ELD unit (USA)
Power transistor- plus everything grounded through G401
BLKG402
{cont'd)
23-47
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Gomponent/Wiring Locations Index -'98 - 00 models
SRS INDICAIOR LIcHT (ln the gauge assembty)Troubleshooting, page 24 27Gauge assembly. section 23
DASHBOARD WIRE HARNESSto SRS INDICATOR LIGHf inGAUGE ASSEMBLY5P CONNECTOR
FRONT PASSENGER'S AIRBAGReplacement, page 24-89Disposal, page 24 97
CABLE REELReplacement,page 24-91
To HORN SWITCH
To CRUISE CONTROLSET/RESUME SWTCH
To DRIVER'S AIRBAG
ro CABLE REEL2P CONNECTOR
MAIN VYIRE HARNESSto DASHBOARD WIRE HARNESS
SRS MAIN HARNESS
ORIVER'S AIRBAGReplacement,page 24-87Disposal, page 24-97
SRS UNIT
SRS MAIN HARNESSto FROI{T PASSENGER,S AIRBAG2P CONiIECTOR
RIGHT SIDE WIRE HARNESS toSEAI BELTTENSIONER2P CONNECTOR24P CONNECTOR
SRS MAIN
SRS MAIN HARNESS toLEFT SIDE WIRE HARNESS2P CONNECTOR
SRS MAIN HARNESSto MAIN WIRE HARNESS3P CONNECTOB
(lncluding safing sensorand impact sensor)Replacement, page 24-95
SRS MAIN HARNESS toRIGHT SIDE WIRE HARNESS2P CONNECTOR
SERVICE CHECKCONNECTOR I2PIIBLK BRNI
to UNDER-DASHFUSE/RELAY BOX2P CONNECTORSEAT BELT TENSIONERReplacement, page 24 3Disposal, page 24-97
ORIVER'S SEAT BELTMEMORY ERASE SIGNAL(MES) CONNECTOR I2PIIGRN, GRNI or IWHT, BLKIReplacement, page 24-3Disposal, page 24-97
LEFT SIDE WIRE HARNESS toSEAT BELTTENSIONER2P CONNECTOR
24-16
.4
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Description
J)
The SRS is a safety device which, when used in conjunction with the seat belt, is designed to help protect the driver and
front passenger in a frontal impact exceeding a certain set limit. The system consists of the SRS unit (including safing sen-
sor and impact sensor), the cable reel, the driver's airbag and front passenger's airbag.
Seat Bolt Tensioner {'98 - 00 models}
The seat belt tensioner is linked with the SRS airbags to further increase the effectiveness of the seat belt. In a front-end
collision, the tensioner instantly retracts the belt firmly to secure the occupants in their seats
FRONT PASSENGER'SAIREAGDRIVER'S AIRBAG
FRONT PASSENGER'SSEAT BELT TENSIONER{'98 - 00 modelsl
)
SRS UNITDRIVER'S SEAT BELTTENSIONER l'98 - 0O modeb)
Operation
The main circuit in the SRS unit senses and judges the force of impact and, if necessary, ignites the intlator charges. lf bat
tery voltage is too low or power is disconnected due to the impact, the voltage regulator and the back-up power circuit
respectively will keep voltage at a constant level.
For the SRS to operate:
(1) The impact sensor must activate, and send electric signals to the microprocessor.
(2) The microprocessor must compute the signals, and send them to the airbag inflators (and seat belt tensioners).
(3) The inflators must ignite and deploy the airbags (and activate the tensioners).
Selt-diagnosis System
A self-diagnosis circuit is built into the SRS uniU when the ignition switch is turned ON (ll), the SRS indicator Iight comes
on and goes off after about six seconds if the system is operating normally.
lf the light does not come on, does not go off after six seconds, or it comes on while driving, it indicates an abnormality in
the system. The system must be inspected and repaired as soon as possible.
For battery serviceability, the memory will store the cause of the malfunction, and the data link circuit passes on the infor
mation from the memory to the data link connector (DLC). This information can be read with the Honda PGM Tester con-
nected to the DLC {16P).
198
---__-l
TENSTO1En II
_-___J- 00 N4ode s)
24-17
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