1997 HONDA CR-V Ignition system

A/T Gear Position Indicator
1.
f nput Test -'97 - 98 Models
Remove the gauge assembly from the dashboard (see section 20). and disconnect the 14P connector from the gauge
assemblv (see section 23),
Inspect the connector and socket terminals to be sure they are all making good contact.
. lf the terminals are bent, loose, or corroded, repairthem as necessary, and recheck the system.. lf the terminals look OK, make the following input tests at the 14P connector.- lf I test indicates a problem, find and correct the cause, then recheck the system.- lf all the input tests prove OK, but the indicator is faulty. replace the printed circuit board,
GAUGE ASSEMBLY 14P CONNECTOR
Wire side of female terminals
CavityWirs
ColorTest ConditionTest: Desir€d ResultPossible Cause
{lf rosult is not obtainod)
YEL
lgnition switch ON (ll)Check for voltage to ground:
There should be battery voltage,
. Blown No. 25 (7.5 A) fuse in the
under-dash fuse/relay box. An open in the wire
RE D/BLKCombination light
switch ON and dash
lights brightness con-
trol dial on full bright
Check for voltage between No. 2
and No. 3 terminals;
There should be battery voltage.
Blown No. 47 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty combination Iight switch
Faulty dash iight brightness
controller
An open in the wire
RED
4BLUShift lever in ECheck for continuity to ground:
There should be continuity.
NOTE: There should be no continu-
ity in any other shift lever position.
' Faulty Ay'T gear position switch. An open in the wireBRNShift lever in E
7YELShift lever in @
8BLKUnder all conditionsCheck for continuity to ground:
There should be continuity
. Poor ground {G401). An open in the wire
9GRN/BLK
lgnition switch ON {ll)
and shift lever in any
position except E
Check for voltage to ground:
There should be battery voltage
for two seconds after the ignition
switch is turned ON {ll), and less
than 1 V two seconds later,
' Faulty PCM. An open in the wire
10GRNShift lever in ECheck for continuity to ground:
There should be continuity.
NOTE: There should be no conti-
nuity in any other shift lever posi-
UOn.
. Faulty A,ff gear position switch. An open in the wire1'lREDShift lever in @
12WHTShift lever in E
BLVBLU
Shift lever in ENOTE: Do not push
the brake pedal.
14LT GRN
lgnition switch ON { ll)
and shift lever in any
position except E and
E
Check for voltage to ground:
There should be about 5 V.
. Faulty PCM. An open in the wire
14-142
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L
Input Test -'99 - 00 Models
Remove the gauge assembly from the dashboard {see section 20), and disconnect the 14P connector from the gauge
assembly (see section 23).
Inspect the connector and socket terminals to be sure they are all making good contact.
a lf the terminals are bent. loose, or corroded. repair them as necessary. and recheck the system.
. lf the terminals look OK, make the following input tests at the 14P connector.- lf a test indicates a problem, find and correct the cause, then recheck the system.- lf all the input tests prove OK, but the indicator is faulty, replace the printed circuit board.
GAUGE ASSEMBLY 14P CONNECTOR
Wire side of female terminals
CavityWire
ColorTest ConditionTest: Desired ResuhPossible Caus6
{lf resutt is not obtainod)
1YEL
lgnition switch ON (ll)Check for voltage to ground:
There should be battery voltage.
. Blown No.25 (7.5 A) fuse in the
under-dash fuse/relay box. An open in the wire
2RE D/BLK
Combination light
switch ON and dash
lights brightness con-
trol dial on full bright
Check for voltage between No. 2
and No.3 terminals:
There should be battery voltage.
Blown No. 47 {7.5 A) fuse in the
under-dash fuse/relay box
Faulty combination light switch
Faulty dash light brightness
controller
An open in the wire
5RED
BRNShift lever in ECheck for continuity to ground:
There should be continuity.
NOTE: There should be no continu-
ity in any other shift lever position.
. Faulty A/T gear position switch. An open in the wire7YELShift lever in E
'10BLUShift lever in E
LT BLU
lgnition switch ON (ll),
shift lever in E. and
Over-Drive is OFF bypressing O/D switch.
Check for continuity to ground:
There should be continuity.
Faulty O/D switch
Faulty A/T gear position switch
Faulty PCM
An open in the wire
8BLKUnder all conditionsCheck for continuity to ground:
There should be continuity
. Poor ground (G401)
. An open in the wire
9a:FI\|/Et| ta
lgnition switch ON (ll)
and shift lever in any
position except E
Check for voltage to groundl
There should be battery voltage
for two seconds after the ignition
switch is turned ON (ll). and less
than 1 V two seconds later.
. Faulty PCM. An open in the wire
11REDShift lever in SCheck for continuity to ground:
There should be continuity.
NOTE: There should be no conti-
nuity in any other shift lever posi-
Iton.
. Faulty A/T gear position switch. An open in the wire12WHTShift lever in E
BLI(BLU
Shift lever in ENOTE: Do not push
the brake pedal.
14LT GRN
lgnition switch ON (ll)
and shift lever in any
position except E and
E
Check for voltage to groundl
There should be about 5 V,
. Faulty PCM. An open in the wire
14-143
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lnterlock System
Key Interlock Solenoid Test
SRS comoonents are located in this area. Review the SRS
component locations, precautions. and procedures in the
SRS section (24) before pertorming repairs or service.
1. Remove the instrument panel lower cover (see sec-
tion 20).
2. Disconnect the ignition switch 6P connector at the
connector holder.
6P CONNECTOR
14-146
3. Check for continuitv between the terminals in each
key position according to the table.
IGNITION SWITCH 6P CONNECTOR
Check that the key cannot be removed with power
connected to the No. 5 terminal and ground connected
to the No. 3 terminal.
lf the key cannot be removed. the key interiock
solenoid is OK.
lf the key can be removed, replace the steering
lock assembly (the key interlock solenoid is not
available separately).
\____________r{r4
Position
lgnition
switch
ACC 0)
Key pushed ino---'o
Key releasedo----o
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Steering
Special Toofs ............. 17-2
Component Locations
Index ................ ....... 17-3
Troubleshooting
General Troubleshooting ................ 1 7-4
Noise and Vibration ......................... 17-8
Fluid Leaks ............. 17-10
Inspection and Adiustment
Steering Operation .......................... 17-12
Power Assist Check
With Vehicle Parked ....................
Steering Linkage and Gearbox .......
Pump Belt
Rack Guide Adjustment ...................
Fluid Rep|acement ...................,,.,....
Pump Pressure Check .................,,...
*Steering Wheel
Removal ................. 17-18
*Steering Column
Removal/lnstallation ................ ....... 17 -2O
lnspection .............. 17-21
Steering Lock Replacement ............ 17 -22
Power Steering Hoses, Lines
Ffuid Leakage Inspection ................. 17 -23
Repfacement .......... 17-23
Power Steering Pump
Repfacement .......... 17-24
Disassembly ...........17-25
fnspection .............. 17-26
Reassembly ............ 17-28
Power Steering Gearbox
Removal ................. 17-31
Disassembly ........... 17-34
Reassembly ............ 17-40
Ball Joint Boot Replacement .......... 17-50
Installation ............. 17-51
17-12
17-13
17-14
l7-15
17-15
17-16
Disassembly/Reassembly............... 17-18
4'%/b.......... -r'-7--a/
SUPPLEN\EN AL RES\RA(N SYSTES{ (SRS\
This model has an SRS which includes a driver's airbag in the steering wheel hub. a passenger's airbag in the dashboardabove the glove box ('97 - 00 models), and seat belt tensioners in the seat belt retractors ('98 - 00 models). Informationnecessary to safely service the SRS is included in this Service Manual. ltems marked with an asterisk (*) on the contentspage include, or are located near, SBS components. Servicing. disassembling or replacing these items will require specialprecautions and tools, and should only be done by an authorized Honda oearer.
To avoid rendering the SRS inoperative, which could lead to peFonal iniury or death in the event of a sevore trontalcollision. allSRS service work must be performod by an authorized Honda dealer.lmproper service procedurgs, including incorrect removal and installalion of the SRS, could lead to personal iniurycaused by unintontional deployment of th€ airbags {'97 - 00 models), and seat belt tensioners ('98 - 00 modelsl.Do not bump the SRS unit. Otherwise, the system may lail in case ot a collision, or the airbags may deploy when theignition switch is ON (lll.
SRS electrical wiring harnesses are identitied by yellow colof coding. Ralated components are located in the steeringcolumn, front console, dashboard, dashboard lower panel, and in the dashboard above the glove box. Do not use elec-trical test equipment on these cilcuits,
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ABS Control Unit Terminal Arrangement
ABS CONTROL UNIT 26P CONNECTOR
Wire side of female terminals
TeiminalnumbelWiiecolorTerminal3ignTeiminalnamglDescription
Voltrge
tdminalsCondhions(lgnition Switch ON llll)Output voltago
1GRNn/VHTPCOM(Primary
common)
Power source for the solenoidvalve and pump motor.1-GNDON6
ONOV
OFFAC:3-6V
2BLI(WHTSCOM(Secondary
common)
Power source for the solenoid2-GNDOFF
lConnect the SCS seNice] connector IApprox.3 V
BLVBLU(lgnition 2)Detects ignition switch 2signal. (System activate signal)3-GNDBattery Voltage
4BLUA/ELRRO(Rear-right 0)Detocts right-rear wheelsensor srgnat.When the wheel isturned at 1 turn/second.
53 mV or above ondigitaltester (ACrange) {Beference)150 mvtrp or aboveon oscilloscope
GRYRLO(Rear-left 0)Detects left-rear wheel sensorsrgnat.6-19
8GRNFRO(Fronr-right 0)Detects right-front wheelsensor signal.8-21StopsApprox.2.5 VSTOP
{Stop)Detects bfake switch signal.(Prevents unnecessary ABS operation)9-GNDBrake pedal pressed.Battery Voltage
Brake Dedal released.OV
10BRN^/VHTFLO(Front-left 0)
Detects left-front wheel sensorsrgnal.
10-23
When the wheel isturned at 1 turn/second.
53 mV or above ondigitaltester lACrange) (Reference)
150 mvpp or aboveon oscilloscope
StopsADprox. 2.5 V
YELRL-oUT(Rearleft outlet)
Drives left-rear outlet solenoid12.GNDONONOV
OFFAC:3-6V
13RED^/vHTRR.IN(Rear-right
inlet)
Drives right-rear inlet solenoid13.GNDOFF
lConnect the SCS service\ connector IApprox. 3 V
14WHT/GRNB1(Baftery 1)Power source for the solenoidvalve and pump motor.14.GND
Every timeBattery Voltage82(Battery 2)Power source for the solenoidvalve and pump motor.15-GND
16BLKGND2(Ground 2)Ground for the ABS controlunit.16-GNDBelow 0.3 V
't7GRN/YELRR1(Rear-right 1)Detects right-rear wheelsensor signal.'t7 -4
When the wheel is turnedat l turn/second,
53 mV or aboveon digitaltester(AC range)(Reference) 150mVp-p or aboveon oscilloscope
19LT BLURL1(Rearieft 1)Detects left-rear wheel sensorsignal.19-6
GRN/BLKFR1(Front-right 1)Detects right-front wheelsensor srgnat.21-8
23GBN/ORNFL1{Front-left 1}Detects left-front wheel sensorsagnal.23-10StopsApprox. 2.5 V
REDRLI N(Rear-left inlet)
Drives left-rear inlet solenoid
25,GND
ON
=
-9ONOV
AC:3-6V
OFF
/Connect the SCS service] conneclor IApprox. 3 V
26BLKGND3(Gtound 3)Ground tor the ABS controluntI.26-GNDBelow 0.3 V
19-34
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Troubleshooting Precautions
ABS lndicalor
1 lf the system is oK, the ABS indicator goes off two seconds after turning the ignition switch oN 1l) wathout staningthe engine, and then comes on again and goes off after two seconds. This occurs because the ABS control unit isturned on by the lG2 power source.2. The ABS indicator comes on when the ABS control unit detects a problem in the system. However, even thouoh thesystem is operating properly, the ABs indicator will come on too, under the following conditions:. Signal disturbance
. Wheel spin
. Only drive wheels rotate. Battery voltage fluctuates
To determine the actual cause of the problem, question the customer about the problem, taking these conditions intoconsideration:
3 When a problem is detected and the ABS indicator comes on, the indicator can stay on until the ignition switch isturned OFF, or it can automatically go off, depending on the mode.. Indicator stays on untilthe ignition switch is turned off: When the system is in the system down mode.. Indicator automatically goes off: When the system is in the control inhibition mode.4 The ABS indicator stays on when the system is reactivated without erasing the DTC, but it goes off after starting thevehicle.
When the wheel sensor system is faulty and the ABS indicator comes on. the algorithm of the system automatically turnsoff the ABS indicator after the wheel speed signal returns to the normal speed. Also, when the DTc is erased, the cpu isreset and the ABS indicator goes off when the system checked out normal by the initial diagnosis.Therefore, test-drive the vehicle after servicing the wheel sensor system. and be sure that the ABS indicator does notcome on.
5 When the ABS control unit outputs battery voltage to the gauge assembly, the ABS indicator ooes off.
Diagnostic Trouble Code (DTCI
1. The diagnostic trouble code (DTc) is memorized when a problem is detected and the ABS indicator does not go off,or when the ABS indicator comes on.The DTc is not memorized when the ABS indicator comes on unress the cpu is activated,2 The memory can hold any number of DTCs. However, when the same DTc is detected twice or more, the tater one iswritten over the old one.
Therefore, when the same problem is detected repeatedly, it is recorded as one DTC.3. The DTCs are indicated in the order of ascending number, not in the order they occur.4. The DTCS are memorized in the EEPROM (non-volatile memorv).Therefore, the memorized DTcs cannot be canceled by disconnecting the battery. perform the specified procedures toerase the DTCS.
Self-diagnosis
1. Self-diagnosis can be classified into these four categories:' Initial diagnosis: Performed right after the eng ine starts and untir theABS indicator goes off.. Except ABS control: Performed when the ABS is not functioning.. During ABS control: Performed when the ABS is functioning.. During warning: Performed when the ABS indicator is ON.2. The system performs the fo|owing contrors when a probrem is detected by the serf-diagnosis:. ABS indicator ON. Memorv of DTC. Mode changetothe "system down mode,, or the ,,control inhibition mode,,.
MODEABS INDICATORMAIN
RELAY
SOLENOID
VALVECPURestart conditionDTC
SYSTEM
DOWNONNo
operation
Drive
inhibitionOperation*rlgnition
switchoFF - ON l)Memory
CONTROL
INHIBITIONONNo
operal|on
Drive
inhibitionOperationAutomaticlMemory
*1: Except CPU failure
19-36
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DTC 81: Central Processing Unit (CPUI
- with the ignition 3witch ON{ll}. the ABS indicator doesnot go off.- Whh the SCS sewice connec-tor connectod {see page 1938),DTC 81 b indicatod.
Problem vorific.tion:L Erase rne u t L.2. Test-drive the vehicle.
Does the ABS indicator come onand is DTC 81 indicated?R€place th. ABS control unit.
The system is OK at this time.
19-55
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a
Heater and Air Conditioning
Heater ...........21
NOTE: Section 21 ("Heater") is included in section 22.
Air Conditioning ......'..'.. '.'22'1
SUPPLEMENTAL RESTRAINT SYSTEM (SRS}
This model has an SRS which includes a driver's airbag in the steering wheel hub, a passenger's airbag in the dashboard
above the glove box ('97,00 models). and seat belt tensioners in the seat belt retractors ('98 - 00 models). Information
necessary to safely service the SRS is included in this Service Manual. ltems marked with an asterisk (*) on the contents
page include. or are located near, SRS components. Servicing, disassembling or replacing these items will require special
precautions and tools, and should only be done by an authorized Honda dealer.
@. To avoid rendering the SRS inoperative, which could lead to personal iniury or death in the event of 8 severe frontal
collision, all SRS service work must be performed by an authotized Honda dealer.
lmproper service procedures, including incorrect removal and installation of the SRS, could lead to personal iniury
caused by unintentional deployment of the airbags ('97 - 00 models), and seat belt tensioners 138 - 00 models).
Do not bump the SRS unit. Otherwise, the system may fail in case of a collision, or the airbags may deploy when the
ignition switch is ON {lll.
SRS eleqtrical wiring harnesses are identified by yellow color coding. Related components are located in the steering
column, front console, dashboard, dashboard lower panel, and in the dashboard above the glove box. Do not use elec-
tricaltest equipment on thes€ cilcuils.
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