FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Check DLC3

CHECK DLC3




The vehicle uses ISO 9141-2 communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 9141-2 format.






HINT: Connect the cable of the hand-held tester to the DLC3, turn the ignition switch ON and attempt to use the tester. If the screen displays the message UNABLE TO CONNECT TO VEHICLE, there is a problem either with the vehicle or the tester.

If communication is normal when the hand-held tester is connected to another vehicle, inspect the DLC3 on the original vehicle.




If communication is still impossible when the tester is connected to another vehicle, the problem is probably in the tester itself. Consult the Service Department listed in the tester's instruction manual.