1998 HONDA CR-V sensor

{From page 11-90)
Chock tor .n open or short in the
MAP 3€n30r:Check the MAP with the scan
tool.
ls approx. 2 kPa (15 mmHg,
0.6 in.Hg),0.1 V or less indi-
cated?
Chock for a lhort in the wire(MAP linol:1. Turn the ignition switch OFF.
2. Disconnect the ECM/PCMconnector D (16P), (C 131P))*.3. Check for continuity betweenthe MAP sensor connector No.3
terminal and body ground.
R€p.ir 3hort in the wire bstwcen
tho ECM/PCM (D3, C17') rnd tho
MAP 3rnsoi.
Sub3lilut. . known-good ECM/
PCM and rocheck. lf normal MAP
k indic.tcd, r.pl.co thc originrlECM/PCM.
MAP SENSOR 3P CONNECTOR (C131I
Wire side of lgmale terminals
(cont'd)
1 1-91
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PGM-FI System
Manifold Absolute Pressure (MAP) Sensor (cont'd)
[tn,t nn-] The scan tool indicates Diagnostic Trouble Code (DTC) P0108: A high voltage (low vacuum) problem in the|jg Manifold Absolute Pressure (MAP) sensor.
MAP SENSOR 3P CONNECTOR IC131I
Wire side of female terminals
vcclIYEL/RED}
PCM CONNECTOR D I16PI
JUMPER WIRE
sGlIGRN/WHTI
Wire side of lemale termin6ls
1
(To page 11,93)': '98 - 00 models
1-92
tcRN/wHrll IIRED/GRN|
The MIL has boen reported on.DTC m108 is slored.
Problem veritication:1. Start the engine. Hold theengine at 3,000 rpm with noload (in Park or neutral) untilthe radiator fan comes on, thenlet it idle.2. Check the MAP with the scantool.
Intermittent tailuro, system i3 OKat this time. Check tor ooor con-nections or loose wires at C131IMAP s6nsor) snd the ECM/rcM.
ls 101 kPa {760 mmHg,30 in.Hg),2.9 V or higher indicated?
Check Ior an open in the MAPsensor:1. Turn the ignition switch OFF.2. Disconnect the MAP sensor3P connector.3. lnstall a jumper wire betweenthe MAP sensor 3P connectorterminals No.3 and No.2.4. Turn the ignition switch ON {ll).5. Check the MAP with the scantool.
ls 10'l kPa (760 mmHg,30 in.Hg),2.9 V or higher indicated?
Check for an open in wire (SGlliDel:1. Remove the jumper wire.2. Measure voltage between theMAP sensor 3P connector ter-minals No. 1 and No- 2.
R6p.ir open in the wire betwoenthe ECM/PCM (D12, CTrl and theMAP sensor.
ls there approx. 5 V?
Check for an open in the wire(MAP line):1. Turn the ignition switch OFF.2. lnstall a iumper wire on thePCM connectors between D3and D12.3. Turn the ignition switch ON (ll).4. Check the MAP wirh the scantool.
Ropair opon in the wire betweenthe PCM {D3, .nd the MAP son-3('t.
ls 101 kPa 1760 mmHg, 30 in.Hg),2.9 V or higher indicated?
YES
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PGM-FI System
Manifold Absolute Pressure (MAP) Sensor (cont'dl
The scan tool indicates Diagnostic Trouble Code (DTC) P1128: Manifold Absolute pressure (MAp) lower thanexoected.
The scan tool indicates Diagnostic Trouble Code (DTC) P'l129: Manifold Absolute Pressure (MAP) higher thanexpected.
l
- The MIL has be6n r€ported on.- DTC Pl128 is stored.
Problom verification:1. Turn the ignition switch ON 1lli.2. Check the MAP with the scantool,
ls 54.1 kPa (406 mmHg, 16.0 in.Hg),1.61 V or higher indicated?I to.mittent failure, 3ydom i! OKal thbtimc,
- The MIL has boen reportod on.- DTC Pl129 is stored.
Problem veritication:1. Start the engine. Hold theengine at 3,000 rpm with noload lin Park or neutral) untilthe radiator fan comes on,then Iet it idle.2. Check the MAP with the scantool,
ls 43.3 kPa (325 mmHg, 12.8 in.Hg),'1.32 V or less indicated?Intarmittani fuilure, systom i3 OKat this time.
11-94
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The IAT Sensor is a temperature dependant resistor (thermistor). The resistance of the thermistor decreases as the intake
air temDerature increases as shown below
RESISTANCE IKOI
Intake Air Temperature (lAT) Sensor
1P0111 | ('97 model)The scan tool indicates Diagnostic Trouble code (DTC) P0111: A ranoe/performance problem in
the lntake Air TemDerature (lAT) Sensor circuit.
. 3' aa ro. r?a arl ,.t r.fl20 0 to ao ao aa ioo t2otocl
INTAKE AIB TEMPERATURE
- The MIL has been reported on.- DTC P0111 is stored.- Or lrom Probable Cause List.
Problem vetification:1. Turn the ignition switch OFF.
2. Disconnect the IAT sensor 2P
connector,3. Remove the IAT sensor.4. Reconnect the IAT sensor 2P
connector,5. Leave the IAT sensor etposedto ambient temPerature.6. Turn the ignition switch ON
flr).7. check the IAT with the scan
tool-
R€place the IAT son3or.
Check the IAT sensor output:1. Warm the IAT sensor with ahair dryer.2. Check the IAT with the scan
tool.
Did the IAT rise 2.0'F (1.0'C)
or more from the ambienttemperature?
Intermittent f.ilure, aY3tem is OKai this tim6.
Replace the IAT sensor.
(cont'd)
1 1-95
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PGM-FI System
Intake Air Temperature (lAT) Sensor (cont'dl
The scan tool indicates Diagnostic Trouble code (DTC) P0112: A low voltage (high temperature) problem in theIntake Air Temperature 0AT) sensor circuit.
The IAT Sensor is a temperature dependant resistor (thermistor). The resistance of tho thermistor decreases as the intakeair temperature increases as shown below.
RESISTANCE IKO)
i')
)2 /
A tAr
9) (RED/YEU
-L
-. 32 aa rorr 1?a 2ra 2aa f.el-m 0 20 rto ao i0 too l2ofcl
INTAKE AIR TEMPERATUR€
It the engine is warm, it will b€ high-er than ambient temperature.
IAT SENSOR 2P CONNCCTOR (C'33I
- The MIL has been reDoned on.- OTC m112 is stored,- Or from Probable Caus€ List.
Problem vsrification:1. Turn the ignition switch ON flt).2. Check the IAT with the scantool.
ls 302'F (150'C) or higher (orH-Limit in Honda mode ofPGM Testeri or 0 V indicated?
ls the correct ambient temper-ature indicated,,?Beploce tho IAT sensor.
Intermittent failure, system i3 OKat this time. Ch6ck for poor con-nectiona o. loose wires rt C133{lAT s€nsorl and rt th6 ECM/pCtr4.Check for a short in the IAT sen-sot:1. Disconnect the IAT sensor 2p
2. Check the IAT with the scantool.
ls 302"F {150"C) or higher {orH-Limit in Honda mode ofPGM Tester) or 0 V indicated?Raplace the lAT aensor.
Ch€ck for a short in the wir6 llAtlinel:1. Turn the ignition switch OFF.2. Disconnect the ECM/PCM con-nector {D (16P}, C (31P)').3. Check for continuity betweenthe IAT sensor 2P connector terminalNo.2 and body ground.
Repair short in the wi.o botweenth6 ECM/rcM {D8, C25*l and th6IAT 3ensor.
Substitute a known-good ECM/PCM and recheck. lf normel IATis indicaled, replace the originalECM/PCM,
*: '98 - 00 models
1 1-96
Wi16 side of femsle terminals
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The scan tool indicates Diagnostic Trouble Code (DTC) P0113: A high voltage (low temperature) problem in the
Intake Air Temperature (lAT) sensor circuit.
IAT SENSOR 2P CONNECTOR ICl33I
sG2{GRN/BIIO
JUMPEN WNE
IAT IRED/YELI
Wire side ol female terminals
YES
_!!7rqd9ll_____-
FCM CONNECTOR O IT6PI
IAT IRED/YEL)sG2IGRN/BLK}
JUMPER w|BE
Wire side of female terminals
l
(cont'd)
11-97
The MIL has been reported on.OTC P0113 is stored.
Problem v€rification:1. Turn the ignition switch ON (ll).
2. Check the IAT with the scantool,
Intermiftent failure, syatem is OKat this time. Ch.ck for Door con-nections or loose wires at c133
llAT s6nsorl and at the ECM/PCM.
ls -4'F (-20"C) or less (or L Limitin Honda mode of PGM Tester)or5 V indicated?
Check lor an open in the IAT sen-sor:1. Disconnect the IAT sensor 2Pconnector,2. Connect the IAT sensor 2P connector terminals No. 1 andNo. 2 with a ,umper wire.3. Check the intake air tempera'ture with the scan tool.
ls -4'F (-20"C) or less (or L-Limitin Honda mode oI PGM Tester)or5 V indicated?Replace the IAT sensor.
Check lor en opan in the wires
llAT, SG2 lines):1. Turn the ignition switch OFF.2. Connect PCM connector ter-minals D8 and D11 with a
3. Turn the ignition switch ON lll).4. Check the IAT with the scantool.
Rgpair open in the wires b€tweenthe PcM (D8. D11) and rhe IAT3en30r,
ls -4"F {-20"C) or Iess (or Llimitin Honda mode ot PGM Tester)or5 V indicated?
(To page 11-98)
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PGM-FI System
Check for an open in the wires{lAT, SG2lines):1. Turn the ignition switch OFF.2. Connect ECM/PCM connectorterminals C18 and C25 with ajumper wire.3. Turn the ignition switch ON (ll).4. Check the IAT with the scantool.
ls -4'F 1-20"C) or less (or L limitin Honda mode of PGM Testeri or5 V indicated?
Repsir op€n in the wirca batweenthe ECM/PCM 1C18, C25l and theIAT s€nsor.
Substitute a known-good ECM/PCM rnd recheck, lf normal IATis indicated, leplaco the originslECM/PCM.
Intake Air Temperature (lATl Sensor (cont'd)
(From page 11,97)
'l
ECM/PCM CINNECTOR C t3lPl
257II
./ 16171819 202122234 Wp,29c)31
sG2IAT {RED/YELI{GRN/BLK)
JUMPER WIRE
Wire side of fernale terminals
I
1 1-98
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Engine Goolant Temperature (ECTI Sensor
The scan tool indicates Diagnostic Trouble Code (DTC) P0116: A range/performance problem in the Engine
Coolant Temperature (ECT) Sensor circuit.
The ECT Sensor is a temperature dependant resistor (thermistor). The resistance of the thermistor decreases as the engine
coolant temperature increases as shown below
RESISTANCEtk0l
NOTE: lf DTC P0117 and/or P0118 are stored at the same
bleshoot DTC P0116.
Possible Cause
a ECT sensor deterioration
. Malfunction in the thermostat and cooling system
Troubleshooting Flowchart
-4 32 68 r0a r a0176 212 2aE {'r)-2O O 20 ito tO .o ! t2O I c)
ENGINE COOLANT TEMPERATURE
time as DTC P0116, troubleshoot those DTCS first, then trou-
THERMISTON
- The MIL has be€n roported on.- DTC P01'16 is stored.
Probl6m verification:1. Start the engine. Hold theengine at 3,000 rpm with noload (in Park or neutral) untilthe radiator fan comes on,then let it idle.2. With the scan tool, check theECT.
Intermittent failure, sYstem b OKat this tim6. Check lhe thermo-stat and the cooling 5y3tom.
ls 176 - 200'F (80 - 93"C) or0.4-0.TVindicated?
Check the thermostat and the
cooling system. It th€y are OK,reolace the ECT seNor.
(cont'd)
1 1-99
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