Honda Civic Service Manual page 396

PGM-FI System
Intake Air Temperature (lAT) Sensor
('96 - 98 Models,'99 - 00 D16Y5 engine with M/Tl
1 1- 1 26
The scan tool indicates Diagnostic Trouble Code (DTC) POl13: A high voltage flow temperature) problem
in the
Intake Air Temperature (lAT) sensor circuit,
taT sENsoR 2P CONNECTOn (Cl12l
I ' j r l
SG2
'---.]__+
tAT
(GRN/BLKI I
I
IRED/YEL}
JUMPER
WIRE
Wire side of female terminals
ECM/PCM CONNECTOR D (16PI
IAT IRED/YEL)
sG2
(GRN/BLK)
JUMPER WIRE
Wire side of female terminals
The MIL has been reported on.
DTC P0113 b sto.6d.
Problem veritication:
1. Turn the ignition switch ON (ll).
2. Check the IAT with the scan
t o o l .
Intermittent tailuJe, systom is OK
at this time, Check to. poor con-
nections or loose wir.s at C112
{lAT senso.l .nd ECM/PCM,
ls -4'F 1-20"C) or less (or L Limit
in Honda mode of PGNI Tester) or
5 V indicated?
Check for an open in the IAT sen-
sol:
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 jumper wjre.
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?
Repbce the IAT sensor.
Check tor an open in th6 wires
{lAT. SGzline!):
1. Turn the ignition switch OFF.
2. Connect ECM/PCM connector
terminals D8 and D11 with a
3. Turn the ignition switch ON (ll).
4. Check the IAT with the scan
tool.
ls -4"F ( 20'C) or less (or L-Limit
io Honda mode ol PGM Tester) or
5 V indicated?
R€p6ir opan in the wiro! hween
EC-M/PCM lD8. 011l and IAT sen-
Substitute a known-good
ECM/
PCM end recheck. lf normal IAT
is indic.ted, replace the original
E C M / P C M .