Dtc P0113: Iat Sensor Circuit High Voltage - Honda S2000 Service Manual

DTC P0113: IAT Sensor Circuit High Voltage
'l.
Turn the ignition switch ON (ll)
2. Check the IAT with the scan tool.
ls " 4"F ( 20'C) ot less (or L-Limit in Honda
mode ot PGM Tester) or 5 V indicated?
YES Go to step 3.
NO lntermitent failure, system is OK at this time.
Check for poor connections or loose terminals at
t h e I A T s e n s o r a n d t h e E C M . I
Disconnect the IAT sensor 2P connector.
Connect IAT sensor 2P connector terminals No. 1
a n d N o . 2 w i t h a j u m p e r w i r e .
IAT SENSOR 2P CONNECTOR
3 .
, \
SG2IGRN/YEL)
> 2 /
\-,^- -//
5 .
JUMPER WIRE
IAT (RED/YEL)
Wire side oJ lemale terminals
Check the IAT with the scan tool.
ls
4'F ( 20"C) or less (or L-Limit in Honda
mode of PGM Tester) or 5 v indicated?
YES Go to step 6.
NO Replace the IAT sensor.I
Turn the ignition switch OFF.
IAT
7. Connect ECM connector termina ls C18 and C25
w i t h a i u m D e r w i r e .
ECM CONNECTOR C {3IP)
l
2 5 1 6 9 1 0
11
12 1 7 1 8 1 9 20 21 22
24 2
126 ln I
a
30
{RED/YEL)
SG2 (GRN/YELI
JUMPER WIRE
Wire side of female terminals
Turn the ignition switch ON (ll).
Check the IAT with the scan tool.
ls
4'F ( - 20'C) or less (or L-Limit in Honda
mode of PGM Tester)or 5 V indicated?
YES Substitute a known-good ECM and recheck
(see page l'1-5). lf normal IAT is indicated, replace
t h e o r i g i n a l E C M . I
NO- Repair open in the wire between the EC[4
( C 1 8 , C 2 5 ) a n d t h e l A T s e n s o r . l
8 .
9 .
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