1998 HONDA CR-V Tps

The scan tool indicates Diagnostic Trouble Code (DTC) P0123: A high voltage problem in the Throttle Position
(TP) sensor circuit.
TP SENSOR 3P @]{NECTOR IC13O}
sG2(GnN/Br.XlvocrtYEt /8LU)
{GBIT/BLKI
(cont'd)
11-107
Wiro side of fom.le terminals
PCM CON'{ECTOF D I16PI
Wire side ot female terhinals
The MIL hlr br€n r.9ort.d on.DTC P0123 ir stored.
Pioblom vorificltion:1. Start the ongin6. Hold th€ongine at 3,000 rpm with noload {in Park or neutral) untilth6 radiator fan comes on.then turn the ignition switchOFF,2. Turn the ignition switch ON (ll).
3. Check the throttle position
with the scan tool.
Intarmittant tailuro, ryrtern b OKat this timo. Chock lor poor con-nections or loo3o wir€3 at C130
ITP 3orcorl .nd at tho ECM/FCM.
ls there spprox. 1oyo when thothrottle is Iully closed andapprox.90% when the throttleis tully open€d?
Choct toJ an opcn in th6 TP s6n-3t']:1. Turn the ignition switch OFF.2. Disconnect the TP sensor 3Pconnectol,3. Turn the ignition switch ON (ll).
4. At the wir6 harnoss side, mea-suro voltage betweon thg TPsensor 3P connector t€rminalsNo. 1 and No.3.
ls there approx.5 V?
Chack for an oDan in tha wira(SG2 linel:M6asu16 voltage b6tween PCMconn€ctor terminals Dl0 and D'! 1.
R.pai. opcn in tha wira botwcontho PcM {o111 rnd the TP 3en-3('t,
ls there approx. 5 V?
('97 model)
(To page 11-108)
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From page 14-126
Measure TPS Voltage:1. Reconnect the A (32P) and B(25P) connectors to the PCM
2. Turn the ignition switch ON (ll)
3. Measure the voltage between
the C27 and B20 ot 822 te(mi'
nats.
ls there approx. 0.5 V?
Check Throttlo Position Sensol
Ground Line:'1. Turn the ignition switch OFF
2. Disconnect the throftle position
sensor connector.3. Check tor continuity between
tho No. 1 terminal of the
throttle position sensor con-
nector and the 820 and 822
terminsl of the PCM.
ls there continuity?
Check tor continuity betlveen the
C18 and 820 or 822 terminals
Rgpsir opan in lhe wire botween
the Cl8 torminal .nd the throttlegosiiion Sensor.ls there continuity?
Check lor looss tetminalfit in the
PCM conn€ctoia. It nece3sarY,
subslituta a known-good PCM
and .echock.
A t32Pl
To page'14-128
LG1 (BRN/BLKI
FCII CONNECTOFS
B {25P1c (31P)
LG2IBRN/BIXI
THROTTTI POSMONSENSOR CONNECTOR
SG2 IGRN/BLK}rL2l3t
Wire side of female terminals
B {25P1c l3lPl D (16P1
LGl IBRN/BLKISG2 {GRN/BLK}
n l,I-il nFFFTI,T';T;IEFML"| -
(cont'd)
wire side of female terminals
LGl IBRN/BIXI
14-127
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