Honda ACCORD HYBRID 2005 Service Manual page 308

PGM-FI System
D T C T r o u b l e s h o o t i n g
DTC P0096: IAT Sensor 2 Circuit Range/
Performance Problem
1. Check for poor connections or loose terminals at
ECT sensor 1 and IAT sensor 2.
Are the connections and terminals OK?
Y E S — G o to step 2.
NO—Repair the connectors or terminals, then go to
step 15.
2. Remove IAT sensor 2 (see page 11-215).
3. A l l o w IAT sensor 2 to cool to 77 °F (25 °C).
4. Note the ambient temperature.
5. Connect IAT sensor 2 to its 2P connector, but do not
install it into the intake m a n i f o l d .
6. Turn the ignition switch ON (II).
7. Note the value of IAT SENSOR 2 quickly in the
DATA LIST w i t h the HDS.
8. Compare the value of IAT SENSOR 2 and the
a m b i e n t temperature.
Does the value of IAT SENSOR 2 differ 5.4 °F
(3 °C)or more?
Y E S — G o to step 13.
NO—Go to step 9.
9. Disconnect IAT sensor 2 f r o m the 2P connector.
10. Blow hot air on IAT sensor 2 w i t h a hair dryer.
11. Connect IAT sensor 2 to its 2P connector, but do not
install it into the intake m a n i f o l d .
12. Check IAT SENSOR 2 in the DATA LIST w i t h the
HDS.
Did IAT SENSOR 2 change 58 °F (32 °C) or
more?
Y E S — I n t e r m i t t e n t failure, system is OK at this t i m e .
Check for poor connections or loose terminals at
IAT sensor 2 and the PCM. •
NO —Go to step 13.
13. Turn the ignition switch OFF.
14. Replace IAT sensor 2 (see page 11-215).
15. Turn the ignition switch ON (II).
16. Reset the PCM w i t h the HDS.
17. Do the PCM idle learn procedure (see page 11-340).
18. Check for T e m p o r a r y DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs indicated?
Y E S — I f DTC P0096 is indicated, check for poor
connections or loose t e r m i n a l s at IAT sensor 2 and
the PCM, then go to step 1. If any other T e m p o r a r y
DTCs or DTCs are indicated, go to the indicated
D T C s t r o u b l e s h o o t i n g .
NO—Troubleshooting is c o m p l e t e . •
11-68