Scantool Diagnostics

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

Scantool Diagnostics

Monitor GDS Data

1. Connect GDS to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF".
3. Select "Current Data" mode and monitor "Inhibitor switch" parameter.
4. 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
5. Is measured current data within specification?