Those troubleshooting decision trees in the Honda Service Manual may not
be very useful to diagnose problems that could not have been foreseen by
Honda engineers at the time the service manuals were printed, i.e., when
the cars were introduced. I think these strange warm engine restart
failures after years of ownerships are such. I have not seen any such
symptoms listed in the Service Manual's troubleshooting section. Using
DTC-s to diagnose these transitory problems is therefore probably
useless or misleading. I think such problems are only addressed by Honda
in service bulletins, if at all. But they are not as easily available to
individual car owners as is the official service manual.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.