The Air Conditioner Control Module sets DTC B1249 when Feedback signal of Mode Actuator has been detected below 0.1V for 0.1 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitoring the Voltage | 1. Poor Connection in harness. 2. Open in signal(Feedback signal), power circuit. 3. Short to ground in signal(Feedback signal), power circuit 4. Faulty Mode Actuator 5. Faulty A/C Control Module |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
Feedback signal of Mode Actuator has been detected below 0.1V for 0.1 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. |
