DTC P0499

DTC P0499  : EVAP Canister Vent Shut Valve Circuit High Voltage

DTC (PGM-FI)

1. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS .

   -3. Select EVAP TEST in the INSPECTION MENU, and do the EVAP CVS ON in the SINGLE SOLENOID with the HDS.

   SINGLE SOLENOID

   Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
   P0499 EVAP Canister Vent Shut Valve Circuit High Voltage

   Is DTC P0499 indicated?

   YES 

   The failure is duplicated. Update the PCM if it does not have the latest software, or substitute a known-good PCM , then do the repair verification.

   NO 

   Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the EVAP canister vent shut valve and the PCM.

2. Repair verification (OBD STATUS check)

   -1. Turn the vehicle to the ON mode.

   -2. Reset the PCM with the HDS .

   Reset PCM

   -3. Do the PCM idle learn procedure .

   -4. Select EVAP TEST in the INSPECTION MENU, and do the EVAP CVS ON in the SINGLE SOLENOID with the HDS.

   SINGLE SOLENOID

   Monitor the OBD STATUS for DTC P0499 in the DTCs MENU with the HDS.

   DTC Description	OBD STATUS
   P0499 EVAP Canister Vent Shut Valve Circuit High Voltage

   DTC (PGM-FI)

   Does the HDS indicate PASSED, FAILED, or NOT COMPLETED?

   PASSED

   Troubleshooting is complete. If the PCM was substituted, replace the original PCM . If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.

   FAILED

   Go to step 1 and recheck. If the PCM was updated, substitute a known-good PCM , then check the OBD STATUS again.

   NOT COMPLETED

   Meet the test conditions, and check the OBD STATUS again.