How To Diagnose The Can Bus Line

REQUIRED SPECIAL TOOLS: 

• MB991958: Scan Tool (MUT-III Sub assembly)
  • MB991824: V.C.I.
  • MB991827: USB Cable
  • MB991910: Main Harness A

1. Connect scan tool MB991958 to the data link connector.
   Fig 1: Connecting Scan Tool MB991958 To Data Link Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2. Turn the ignition switch to the "ON" position.
3. Select "CAN bus diagnosis" from the start-up screen.
4. When the vehicle information is displayed, confirm that it matches the vehicle which is diagnosed CAN bus line.
   • If they matches, go to step 8.
   • If not, go to step 5.
5. Select "view vehicle information" button.
6. Input the vehicle information and press "OK".
7. When the vehicle information is displayed, confirm again that it matches the vehicle which is diagnosed CAN bus line.
   • If they matches, go to step 8.
   • If not, go to  Step 5.
8. Press the "OK" button.
9. When the options are displayed, choose the options (mark the check) and then select "OK".