Without Scan Tool
CHECK DTCa. Read the system check result.
1. If the check result is "EXCH", "CHECK" or "Old", touch the displayed check result to view the results on the "Unit Check Mode" screen and record them.
HINT:
- If all check results are "OK", go to communication DTC check.
- If a device name is not known, its physical address is displayed.
HINT: When proceeding to view the results of another device, press the service switch to return to the "System Check Mode" screen. Repeat this step.
b. Read the communication diagnostic check result.
1. Return to the "System Check Mode" screen, and press the "LAN Mon" switch to enter the "LAN Monitor" screen.
2. If the check result is "CHECK" or "Old", touch the displayed check result to view the results on the individual communication diagnostic screen and record them.
HINT:
- If all check results are "No Err", the system judges that no DTC exists.
- The sub-code (relevant device) will be indicated by its physical address.
- When proceeding to view the results of another device, press the "Service" switch to return to the original "LAN Monitor" screen. Repeat this step.