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 B1258.
FIG. 2) The current data in normal state.
4. Is the same DTC displayed again ?
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.