Honda 2004 Odyssey Service Manual page 413

PGM-FI System
DTC Troubleshooting (cont'd)
DTC P0113 '99-00, '02-04 Models:
Sensor Circuit High Voltage
NOTE: Information marked with an asterisk ( ) applies
to '02-04 models.
1. Turn the ignition switch ON (II).
2. Check the IAT with the scan tool or the HDS.
Is 4°F ( 20°C) or less ( or L-Limit in the HDS),
or 5 V indicated?
YES Go to step 3.
NO Intermitent failure, system is OK at this time.
Check for poor connections or loose terminals at
the IAT sensor and the PCM.
3. Turn the ignition switch OFF.
4. Disconnect the IAT sensor 2P connector.
5. Connect IAT sensor 2P connector terminals No. 1
and No. 2 with a jumper wire.
IAT SENSOR 2P CONNECTOR
Wire side of female terminals
6. Turn the ignition switch ON (II).
7. Check the IAT with the scan tool or the HDS.
Is 4°F ( 20°C) or less ( or L-Limit in the HDS),
or 5 V indicated?
YES Go to step 8.
NO Replace the IAT sensor.
8. Turn the ignition switch OFF.
9. Remove the jumper wire.
11-104
IAT
SG2 (GRN/BLK)
SG2 (GRN/YEL)*
JUMPER WIRE
IAT (RED/YEL)
10. Connect PCM connector terminals C18 and C25
with a jumper wire.
PCM CONNECTOR C (31P)
IAT (RED/YEL)
JUMPER WIRE
Wire side of female terminals
11. Turn the ignition switch ON (II).
12. Check the IAT with the scan tool or the HDS.
Is 4°F ( 20°C) or less ( or L-Limit in the HDS),
or 5 V indicated?
YES Substitute a known-good PCM and recheck
(see page 11-5). If normal IAT readings are
indicated, replace the original PCM.
NO Repair open in the wire between the PCM
(C18, C25) and the IAT sensor.
SG2 (GRN/BLK)
SG2 (GRN/YEL)*