5. Cruise Does Not Cancel With Cancel Switch

DTC SET CONDITIONS
This code is output when a problem is found on the cancel status hold circuit or microcomputer operation monitor circuit, which is incorporated in the auto-cruise control-ECU.

TROUBLESHOOTING HINTS
Malfunction of the auto-cruise control-ECU.

DIAGNOSIS
Replace the auto-cruise control-ECU. Check that diagnostic trouble code 16 is not output.