Honda ACCORD HYBRID 2005 Service Manual page 654

EVAP System
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
DTC P0452: FTP Sensor Circuit Low Voltage
1. Turn the ignition switch ON (M).
2. Clear the DTC w i t h the HDS.
3. Turn the ignition switch OFF.
4. Remove the fuel fill cap.
5. Turn the ignition switch ON (II).
6. Check the FTP SENSOR in the DATA LIST w i t h the
HDS.
Is about - 7.3 kPa (-2.16 in.Hg, - 55 mmHg), or
0.3 V, or less indicated?
Y E S — G o to step 10.
N O — G o t o step 7.
7. Install the fuel fill cap.
8. Start the engine.
9. M o n i t o r the OBD STATUS for DTC P0452 in the
DTCs MENU w i t h the HDS.
Does the screen indicate FAILED?
Y E S — G o t o step 10.
NO—If the screen indicates PASSED, intermittent
failure, system is OK at this t i m e . Check for poor
connections or loose t e r m i n a l s at the FTP sensor
and the PCM. If the screen indicates NOT
COMPLETED, go to step 5 and recheck.
10. Turn the ignition switch OFF.
11. Disconnect the FTP sensor 3P connector.
12. Turn the ignition switch ON (II).
13. Check the FTP SENSOR in the DATA LIST w i t h the
HDS.
Is about 7.3 kPa (2.15 in.Hg, 54.7 mmHg), or
4.90 V indicated?
Y E S - G o t o step 20.
NO—Go to step 14.
14. Measure voltage between FTP sensor 3P connector
terminal No. 1 and body g r o u n d .
FTP S E N S O R 3P C O N N E C T O R
VCC2 (YEL/GRN)
Wire side of f e m a l e t e r m i n a l s
Is there about 5 V?
Y E S — G o to step 16.
NO—Go to step 15.
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