DTC B1249 sets if the Mode Actuator Sensor signal is at or below 0.1V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage check | 1. Poor Connection in harness 2. Open in signal (Feedback signal), Power or Gruoud circuit 3. Faulty Mode Actuator 4. Faulty Air conditioner Control Unit |
Enable Conditions |
•
Ignition ON | |
Threshold value |
•
Mode Actuator Sensor signal is at or below 0.1V for 0.3 seconds | |
Failsafe |
•
If the Mode actuator is placed at Vent mode right before fail detection, Actuator is operated and fixed to Vent Mode Postion.
•
The others mode are selected, Actuator is moved to DEF mode position |
