FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Monitor DTC Status





U0100 Lost Communication With ECM/PCM \'A\'

Scantool Diagnostics - Monitor Scantool Data

Monitor GDS Data

1. Connect GDS to data link connector (DLC)
2. Engine "ON".
3. Monitor the "CAN COMMUNICATION SERVICE DATA (ENGINE RPM, VEHICLE SPEED SENSOR, THROTTLE P. SENSOR)" parameters on the GDS








Fig 1) Low-RPM
Fig 2) High-RPM
4. Does "CAN BUS LINE DATA " follow the referance data?