Without Scan Tool

CHECK DTC

HINT: Illustrations may differ from the actual vehicle depending on the device setting and options.




a. Start the service check.




b. Read the system check result.
1. If the check result is "EXCH", "CHEK" or "Old", touch the display to check its contents and record the data on the customer problem analysis check sheet.

HINT:
- If all check result are "OK", go to the communication DTC check.
- If a device name is not known, its physical address is displayed.
- If "EXCH", "CHEK" and "Old" as well as "OK" exist, press the service switch to return to the "System Check Mode". Then, check the "Unit Check Mode" screen and record them on the customer problem analysis check sheet.




c. Read the communication diagnostic check result.
1. Return to the "System Check Mode" screen, and press "LAN Mon" to enter the "LAN monitor" screen.




2. If the check result is "CHEK" or "Old", touch the display to check its contents and record the data on the customer problem analysis check sheet.

HINT:
- If all check result are "No Err", the system judges that no DTC exists.
- The sub-code (relevant device) will be indicated by the original "LAN Monitor" screen, press Service.
- If check results of other devices are "CHEK," press the "Service" switch to return to the original "LAN Monitor" screen. Then, check the individual communication diagnostic screen for the next device and record the result on the customer problem analysis check sheet.