Scantool Diagnostics

Head Unit
U1401 MOST Critical Unlock Detected - Scantool Diagnostics

Monitor Scantool Data

1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF".
3. Select "Ring break diagnosis" in Inspection / Test option and monitor "Test results".
4. Checking the component status by "Wake up line diagnosis".
























Fig.1) Ring break diagnosis
Fig.2) Ring break diagnosis between TV Tuner and Head Unit
Fig.3) Start of X dB Test
Fig.4) Result of X dB Test
Fig.5) Test of Wake up line diagnosis
Fig.6) Result of Wake up line test
5. Has a problem been found at wake up line or detected ring break?