07/11/02 09:20:23 61TA0000_110_0421
19. Turn the ignition switch to ON (II).
20. Reset the ECM/PCM with the HDS.
21. Do the ECM/PCM idle learn procedure (see page
11-343).
22. Select EVAP CVS ON in the INSPECTION MENU
with the HDS.
23. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0498 indicated?
−
YES
Check for poor connections or loose
terminals at the EVAP canister vent shut valve and
the ECM/PCM, then go to step 1.
NO
−
Go to step 24.
24. Monitor the OBD STATUS for DTC P0498 in the
DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES
−
Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 23,
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/PCM, then go to step
1. If the screen indicates NOT COMPLETED, go to
step 22.
25. Reconnect all connectors.
26. Update the ECM/PCM if it does not have the latest
software (see page 11-231), or substitute a known-
good ECM/PCM (see page 11-7).
27. Select EVAP CVS ON in the INSPECTION MENU
with the HDS.
28. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0498 indicated?
YES
−
Check for poor connections or loose
terminals at the EVAP canister vent shut valve and
the ECM/PCM. If the ECM/PCM was updated,
substitute a known-good ECM/PCM (see page 11-7),
then go to step 27. If the ECM/PCM 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/PCM was updated,
troubleshooting is complete. If the ECM/PCM was
substituted, replace the original ECM/PCM
(see page 11-232). 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/PCM. If the ECM/PCM
was updated, substitute a known-good ECM/PCM
(see page 11-7), then go to step 27. If the ECM/PCM
was substituted, go to step 1. If the screen indicates
NOT COMPLETED, go to step 27.
11-421