Scantool Diagnostics

Head Unit
U1003 Temperature Sensor Signal Error in Head Unit - Scantool Diagnostics

Monitor Scantool Data

1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF".
3. Select "Diagnostic Trouble Codes (DTCs)"mode and monitor "DTC Status" parameter.
4. Clear recorded DTC using Scantool.
5. Is the DTC present?






Wake up line diagnosis

1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF".
3. Select "Wake up line degases"mode and monitor "Test results".








Fig.1) Start of Wake up line test
Fig.2) Result of Wake up line test
4. Has a problem been found?