Using Scan Tool MB991502

Required Special Tool: 

• MB991502: Scan Tool
  CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOOK" (OFF) position before connecting or disconnecting the scan tool.

1. Connect scan tool MB991502 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Use scan tool MB991502 to check for TCL diagnostic trouble codes.
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Disconnect scan tool MB991502.
   Fig 1: Connecting Scan Tool To Data Link Connector

   Courtesy of DAIMLERCHRYSLER CORPORATION