Inspection Using Scan Tool MB991502
CAUTION:
To prevent damage to scan tool MB991502, always turn the ignition switch to the LOCK (OFF) position before connecting or disconnecting scan tool MB991502.
- Connect scan tool MB991502 to the data link connector.
- Turn the ignition switch to the ON position.
- Carry out inspection by means of the data list. If there is an abnormality, check and repair the chassis harness and components. See DATA LIST REFERENCE TABLE under SYMPTOM PROCEDURES.
- 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.
- Erase the Diagnostic Trouble Codes (DTC's).
- Turn the ignition switch to the LOCK (OFF) position.
- Disconnect scan tool MB991502 from the data link connector.
- Start the engine again and do a test drive to confirm that the problem is eliminated.