Monitor Scantool Data

Monitor Scantool Data

1. Connect scantool to Data Link Connector (DLC).
2. Warm up the engine to normal operating temperature.
3. Monitor DTC (Diagnostics Trouble Code) on the scantool.








FIG. 1) DTC B1238.
FIG. 2) The current data in normal state.
** Parameter of "AMBIENT TEMP.SENSOR" will be fixed at 68 °F, if there is any fault in AMBIENT TEMP.SENSOR.
4. Is the same DTC displayed again ?
** Parameter of "AMBIENT TEMP.SENSOR" will be fixed at 20 °C, if there is any fault in AMBIENT TEMP.SENSOR.
YES
1) Go to "Inspection/Repair" procedure.
NO
1) Fault is intermittent caused by poor contact in the sensor's and/or "A/C-ECM"s connector or was repaired and "A/C-ECM" memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of vehicle Repair" procedure.