How to Read Data List

INSPECTION USING SCAN TOOL MB991502, DATA LIST

CAUTION: To prevent damaged to the scan tool, make sure the ignition switch is "OFF" before connecting or disconnecting the scan tool.





1. Connect the scan tool MB991502 to the data link connector.
2. Turn the ignition switch "ON," and turn on the main switch.
3. Carry out inspection by means of the data list function. If there is an abnormality, check and repair the chassis harness and components.
(Refer to Data List Reference Table.)
4. Re-check using scan tool MB991502 and check to be sure that the abnormal input and output have returned to normal because of the repairs.
5. Erase the diagnostic trouble code(s).




6. Turn the ignition switch "OFF."
7. Disconnect scan tool MB991502 from the data link connector.
8. Start the engine again and do a test drive to confirm that the problem is eliminated.