Monitor Scantool data
1.

Connect scantool with diagnostic connector.

2.

Warm up the engine to normal engine temperature after engine starts.

3.

Select and monitor "Ambient Air Temperature sensor" parameter.

Fig.1) Parameter of "Ambinent Sensor" will be fixed at 68℉(20℃), if there is any fault in Ambient Sensor.

4.

Is the ambient sensor abnormal ?

▶ Go to "Inspection and Repair" procedure.

▶ This may be a intermittent problem caused by poor contact of component or the Control Unit.

▶ Thoroughly check for looseness, poor connection, bent, corrison, contamination, deformation or damage of connector.

▶ Monitoring with a DVOM on min/max or VMI while wiggling connectors may help find the problem. Any change in voltage indicate a possible problem.

▶ Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure.

Яндекс.Метрика