Honda Civic Service Manual page 397

L
I
Intake Air Temperature (lAT) Sensor
('99 - 00 Modeis except D16Y5 engine with M/Tl
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 CONNECTOB IC112'
r-+-r
I t l , l
sG2
L1__f
lAr
IGRN/BLK} I I
(RED/YELI
JUMPER
WIRE
Wire side of female terminals
Wire side of lemale terminals
The MIL has be€n rePorted on.
DTC P0113 i3 stored.
Probl€m vetification:
1. Turn the ignition switch ON (ll).
2. Check the IAT with the scan
tool.
Intormittont f.iluro, tyrtom i. OK
.t thi! tim.. Chocl for Poor con'
nactions or looso wit6 !t C112
tlAT ..n!or) rnd ECM/PCftl,
ls -4"F (-20"C) or less (or L-Limit
in Honda mode of PGM Tester) or
5 V indicated?
Check tor an open in tho IAT son'
304:
1. Disconnect the IAT sensor 2P
connector,
2. Connect the IAT sensor 2P con_
n e c t o r t e r m i n a l s N o . 1 a n d
No.2 with a jumPerwire.
3. Check the intake air tempera-
ture with the scan tool.
ls -4"F {-20"C) or less (or L-Limit
in Honda mode of PGM Tester) or
5 V indicated?
Check lor an open in iho wirg3
{lAT, SG2 linesl;
1. Turn the ignition switch OFF
2. Connect ECM/PCM connector
terminals C18 and C25 with a
iumper wire.
3. Turn the ignition switch ON (ll)
4. check the IAT with the scan
tool.
Roprir opan in tho wilaa brlwocn
ECM/PCM (C18, C25l .nd IAT
!on30r.
ls -4"F (-20"C) or less (or L-Limit
in Honda mode oI PGM Testerlor
5V indicated?
substituts a known'good ECM/
PCM and recheck. ll normal IAT
is indicated, replace the otiginal
ECM/PCM.
ECM/PCM CONNECTOR C (31PI
JUMPER WIRE
11-127