Honda ACCORD HYBRID 2005 Service Manual page 653

DTC P0451: FTP Sensor Range/Performance
Problem
NOTE: If DTC P2422 is stored at the same time as DTC
P0451, troubleshoot DTC P2422 first, then recheck for
DTC P0451.
1. Turn the ignition switch ON (II).
2. Clear the DTC w i t h the HDS.
3. Start the engine, and let it idle 1 minute.
4. M o n i t o r the OBD STATUS for DTC P0451 in the
DTCs MENU w i t h the HDS.
Does the screen indicate FAILED?
Y E S — G o t o step 5.
NO—If the screen indicates PASSED, intermittent
failure, system is OK at this t i m e . Check for poor
connections or loose terminals at the FTP sensor
and the PCM. If the screen indicates NOT
COMPLETED, go to step 3 and recheck.
5. Turn the ignition switch OFF.
6. Replace the FTP sensor (see page 11-436).
7. Turn the ignition switch ON (II).
8. Reset the PCM w i t h the HDS.
9. Do the PCM idle learn procedure (see page 11-340).
10. Start the engine, and let it idle 1 minute.
11. 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 P0451 is indicated, check for poor
connections or loose terminals at the FTP sensor
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 troubleshooting.
NO—Go to step 12.
12. Monitor the OBD STATUS for DTC P0451 in the
DTCs M E N U w i t h the HDS.
Does the screen indicate PASSED?
Y E S — T r o u b l e s h o o t i n g is complete. •
NO—If the screen indicates FAILED, check for poor
connections or loose terminals at the FTP sensor
and the PCM, then go to step 1. If the screen
indicates NOT COMPLETED, go to step 10 and
recheck.
11-413