2000 HONDA CR-V Ignition control

Electrical Troubleshooting ('98 - 00 Modelsl
Troubleshooting Flowchart - Interlock System - Shift Lock System
NOTE: li the MIL is on, ropair the PGM-FI controt system{see section 11), and recheck.
PCM CONNECTORS
c l3lPl
Wire side of female lerminals
c t3lPt
D {16P1
1 tttt/ 5t/ 1 a t /tlt 1 t\/t ,/ VVV tl t ttj,r\1e\10l211n . I 3 rholr1 t?m@-@Effilil"
D (lCPl
| 2ttt/ ;t /n) ).tt)/ 1 21:/ tvvvvv nnvl.lnl2
I r r ero

12wE gp]P] polr EI!l!!i r.
a (25P1
LGl {8RN/ALKI
Shift levor cannot be mov6dllom the E po3ition when th6blako pedal is pre3sed.
Ch€ck BJake Light Oporation:Press the brake pedal.
B6pair tlutty brrko 3whch circuitl..e rection 231.Are the brake lights ON?
Me.sure ILU Voltage:1. Turn the ignition switch ON (ll1,and shiftto E position.2. Press the brake pedal, andrelease the accelerator pedal.3. Measure the voltage betweenthe A28 terminal and bodygrouno.
Chock tor an open or short in thewi.o botwoen tha A28 t6rminrland thc intorlod( control unit, rndcheck tor loose torminrl fit in theintorlock conftol unh connoctor. lfnocassaryr aubstitute a known-good intollock control unit rndroch6d(
Mor3uro STOP SW vohsgo:1. Turn the ignition switch OFF.2. Disconnect the A (32P1 and B(25P) connectors {rom thePCM.3. Measure the voltage betweenthe A32 and 820 or 822 termi-nals,
Repair op6n in tho wir€ betwsenthe A32 t6.minal and th6 brake3witch.
ls there battery voltage?
fo page 14-121
14-126
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Electrical Troubleshooting ('98 - 00 Modelsl
Troubleshooting Flowchaft - Interlock System - Shift Lock System {cont'dl
INTERLOCK CONTROLUNTT CONNECTOR ISPI
SHIFT LOCK IYEL/BLX
SHIFT LOCK tCONNECTOR
{YEL/BLKI
123
1678
o
LOCK SOLENOID
12
YEL/BLK
Wire side of female termtnals
SHIFT LOCK SOI.ENOIDCONNECTOR
"l z-irr-
YEL ](v)
I!
Wire side of female terminsls
NOTE: Do not connect the No. 2 terminal tothe battery positive terminal, or you willdamage the diode inside the shift rocKsolenoid.
SHIFT LOCK SOLENOIOCONNECTOR(dir.ctly on $lenoidl
Terminal side of male terminals
From page 14-127
Check Shift Lock Solenoid tor anOpen Ci.cuit:1. Disconnect the shilt locksolenoid connector,2. Check for continuity betweenthe No. 2 terminal of the shiftlock solenoid connector andthe No. 3 terminal of the interlock control unit connector,
Repair open in the wir6 betweenth€ No. 2 termin.l oI ihe inter-lock control unit and ahift locksolenoid.
ls there continuity?
Measu.e Shift Lock SolenoidVoltage:1. Turn the ignition switch ONflr).2. Measure the voltage betweenthe No. 1 terminal and bodyground.
Check lor blown No.25 {7.5 Alfuse in the underdash fuse/relaybox. It the tuse i3 OK, repair oponor short in lhe wire betw€en theNo. 1 terminal of tho shift locksolenoid connector rnd theunder-dash fuso/r€lay box,
ls there battery voltage?
Check Shift Lock SolenoidOperrtion:1. Connect the No. 1 terminal ofthe shitt lock solenoid connector to the battery positiveterminal, and connect the No,2 terminal to the battery neg,ative terminal.2. Check that the shift locksolenoid operates.
Does the shift lock solenoidoperate properly?Roplace the shift lock solenoid.
Check tor looso torminal tit in th6interlock control unit connector.lf necessary, substitute a known-good int€rlock control unil andrecheck.
14-128
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Electrical Troubleshooting ('98 - 00 Models)
Troubleshooting Flowchart - Interlock System - Key Interlock System (cont,dl
INTERLOCK CONTROL UNIT CONNECTOR {8PI
KEY LOCK SOL (WHT/BI-U}
ACC PUSH SW {WHT)
Wire side of female terminals
ATP P IBLK/BLUI
From page 14'129
Shift lever must be in E.
Check Key Intorlock Solonoid tola Short Circuit:1. Disconnect the interlock controlunit connector,2. Check for continuity betweenthe No. l terminal and bodyground and between the No.5terminal and body ground individually.
Repair shon in thc wire betweonthe No. 1 or No. 5 terminal andth€ ignhion switch 6P connector.
ls there continuity?
Check Park Pin Switch Opera-tion:Check for continuity between theNo. I terminal and body ground.
Check for short in the wir6between the No. 8 terminal ofthe int€rlock control unit and thopark pin switch. ll wire is OK,ch6ck the park pin switch.
ls there continujty?
Moasure ATP P Voftegel1. Turn the ignition switch ON (lli.2. Measure the voltage betweenthe No. 6 terminal and bodyground.
Repair open in the wiro betweenthe No. 6 termin.l and the A/Tgear position 3witch.
Check for looseterminal fit in th€interlock control unit connoctors.lf necosssry, substitute t known-good interlock control unit andrecheck.
14-130
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8. Set the control shaft to E] position. then install the
A,/T gear position switch on it.
CONTROL SHAFT
Install the Ay'T gear position switch cover and har-
ness clamp on the end cover.
Connect the A,/T gear position switch connector.
then install it on the connector bracket.
Turn the ignition switch ON (ll). Move the shift lever
through all gears, and check the AfI gesr position
switch synchronization with the A/T gear position
indicator.
9.
10.
11.
A/TGEARPOSMON A/T GEAR POSITIONINDICATOR INDICATOR'99 - 00 MODELS '97 - 98 MOOELS
12, Start the engine. Move the shift lever through all
gears. and verify the following:
. The shift lever cannot be moved to E] position
from E position unless the shift lever is pulled.
. The engine will not start in any position other
than E or E.. The back-up lights come on when the shift lever
is in El position.
14-141
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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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1?
4678
CavityWire
ColorTest CondhionTost: Desired RosultPossible Cause(lf result is not obtainedl
1WHT/BLU
lgnition switch turned
to ACC (l), ignition key
pushed all the way in
Check for voltage to ground:
There should be battery voltage.
Blown No. 48 {30 A} fuse in the
under-hood fuse/relay box
Blown No.33 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty steering lock assembly
{key interlock solenoid)
An open in the wire
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
YEUBLK
lgnition switch ON (ll)Check for voltage to ground:
There should be baftery voltage.
Blown No. 25 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty shift lock solenoid
An open in the wire
4BLKUnder all conditionsCheck for continuity to ground:
There should be continuity.
. Poor ground (G401)
. An open in the wire
5WHT
lgnition switch turned
to ACC (l), ignition key
pushed all the way in
Check for voltage to ground:
There should be battery voltage.
Blown No.48 (30 A) fuse in the
under-hood fuse/relay box
Blown No. 33 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty steering lock assembly(key interlock switch)
An open in the wire
BLI(BLU
Shift lever in ECheck for continuity to ground:
There should be continuity,
Faulty Ay'T gear position switch
Poor ground (G101)
An open in the wire
8WHT/BLK
Shift lever in @ and
pulled toward steering
wneel
Check for continuity to ground:
There should be continuity.
Faulty park pin switch
Shon to ground
Shift lever in ECheck for continuity to ground:
There should be no continuity.
Wire side of female terminals
Reconnect the interlock control unit 8P connector.
14-145
7WHT/RED
lgnition switch ON (ll)
and brake pedal
presseo
Check for voltage to ground:
There should be 1 V or less.
Faulty brake switch
Faulty throttle position (TP)
sensor
Faulty PCM
An open in the wire
Faulty interlock control unit
lgnition switch ON (lll,
brake pedal and accel-
erator pedal pressed at
the same time
Check for voltage to ground:
There should be baftery voltage,
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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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