Scantool Diagnostics
Air Conditioner
B1242 Evaporator Sensor Open (High) - Scantool Diagnostics
Monitor GDS data
1. Connect GDS with diagnostic connector.
2. Warm up the engine to normal engine temperature after engine starts.
3. Select and monitor "Evaporator sensor" parameter on GDS.
Fig.1) Parameter of "Evaporator Sensor" will be fixed at -2°C(28.4°F), if there is any fault in Evaporator Sensor.
4. Is the Evaporator Sensor normal ?