Honda Accord 2008 Manual page 722

07/11/02 09:19:56 61TA0000_110_0403
DTC P0452: FTP Sensor Circuit Low Voltage
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0).
4. Remove the fuel fill cap.
5. Turn the ignition switch to ON (II).
6. Check the FTP SENSOR in the DATA LIST with the
HDS.
Is about − 7 .3 kPa (
0.3 V or less indicated?
YES − Go to step 10.
NO − Go to step 7.
7. Install the fuel fill cap.
8. Start the engine.
9. Monitor the OBD STATUS for DTC P0452 in the
DTCs MENU with the HDS.
Does the screen indicate F AILED?
YES − Go to step 10.
NO − If the screen indicates PASSED, intermittent
failure, the system is OK at this time. Check for
poor connections or loose terminals at the FTP
sensor and the ECM/PCM. If the screen indicates
NOT COMPLETED, keep idling until a result comes
on.
− 2.16 in.Hg, − 55 mmHg), or
10. Turn the ignition switch to LOCK (0).
11. Disconnect the FTP sensor 3P connector.
12. Turn the ignition switch to ON (II).
13. Check the FTP SENSOR in the DATA LIST with the
HDS.
Is about − 7 .3 kPa ( − 2.16 in.Hg,
0.3 V or less indicated?
YES − Go to step 20.
−
NO Go to step 14.
14. Measure voltage between FTP sensor 3P connector
terminal No. 1 and body ground.
FTP SENSOR 3P CONNECTOR
VCC6 (YEL)
Wire side of female terminals
Is there about 5 V ?
YES − Go to step 24.
NO − Go to step 15.
ＴＡ０８ＡＥＡＫ７２１０００９０４５２ＦＡＡＴ３０
− 55 mmHg), or
(cont'd)
11-403
＊０１