07/11/02 09:15:21 61TA0000_110_0314
VTEC/VTC
DTC Troubleshooting (cont'd)
25. Reconnect all connectors.
26. Update the PCM if it does not have the latest
software (see page 11-231), or substitute a known-
good PCM (see page 11-7).
27. Start the engine, and let it idle.
28. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P2649 indicated?
YES
−
Check for poor connections or loose
terminals at rocker arm oil control solenoid A and
the PCM. If the PCM was updated, substitute a
known-good PCM (see page 11-7), then recheck. If
the PCM was substituted, go to step 1.
NO
−
Go to step 29.
29. Monitor the OBD STATUS for DTC P2649 in the
DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES
−
If the PCM was updated, troubleshooting is
complete. If the PCM was substituted, replace the
original 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 rocker arm oil
control solenoid A and the PCM. If the PCM was
updated, substitute a known-good PCM, then
recheck. If the PCM was substituted, go to step 1. If
the screen indicates NOT COMPLETED, keep idling
until a result comes on.
11-314