Honda ACCORD HYBRID 2005 Service Manual page 672

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 P0499: EVAP Canister Vent Shut Valve
Control Circuit High Voltage
1. Turn the ignition switch ON (II).
2. Clear the DTC w i t h the HDS.
3. Do the EVAP CVS ON in the INSPECTION MENU
w i t h the HDS.
4. Check for T e m p o r a r y DTCs or DTCs w i t h the HDS.
Is DTC P0499 indicated?
YES—Update the PCM if it does not have the latest
software, or substitute a k n o w n - g o o d PCM
(see page 11-6), then recheck. If the s y m p t o m /
indication goes away w i t h a k n o w n - g o o d PCM,
replace the original PCM (see page 11-219). •
NO—Intermittent failure, system is OK at this t i m e .
Check for poor connections or loose terminals at
the EVAP canister vent shut valve and the PCM.H
11-432