good ECM (see SUBSTITUTING THE ECM ), then go to step 27. If the
ECM was substituted, go to step 1.
NO - Go to step 29.
29. Monitor the OBD STATUS for DTC P0498 in the DTCs MENU with the
HDS.
Does the screen indicate PASSED?
YES - If the ECM was updated, troubleshooting is complete. If the ECM was
substituted, replace the original ECM (see ECM REPLACEMENT ). If any
other Temporary DTCs or DTCs were indicated in step 28, go to the indicated
DTC's troubleshooting.
NO - If the screen indicates FAILED, check for poor connections or loose
terminals at the EVAP canister vent shut valve and the ECM. If the ECM was
updated, substitute a known-good ECM (see SUBSTITUTING THE ECM ),
then go to step 27. If the ECM was substituted, go to step 1. If the screen
indicates NOT COMPLETED, go to step 27.
DTC P0499: EVAP CANISTER VENT SHUT VALVE CIRCUIT HIGH VOLTAGE
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Select EVAP CVS ON in the INSPECTION MENU with the HDS.
4. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0499 indicated?
YES - Go to step 5.
NOTE:
Before you troubleshoot, record all freeze data and any on-
board snapshot, and review the general troubleshooting
information (see GENERAL TROUBLESHOOTING
INFORMATION ).
2008 Honda Civic EX
2006-08 ENGINE PERFORMANCE EVAP System (K20Z3) - Civic (Except GX & Si)