Scantool Diagnostics
Air Conditioner
B1282 Humidity Sensor Open (High) - AUTO Defog - Scantool Diagnostics
Monitor Scantool data
1. Connect scantool with diagnostic connector.
2. Warm up the engine to normal temperature after engine starts
3. Select and monitor "Auto defogger humidity sensor" parameter on scantool.
Fig.1) If the DTC related auto defogger sensor is set, Air conditior control Module regards and controls humidity as 0%.
4. Is the defogger sensor abnormal ?