The Air conditioner Control Module sets DTC B1249 when feedback signal of mode actuator has been detected below 0.1V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitoring the Voltage | 1. Poor connection in wiring harness 2. Open in signal(Feedback signal) circuit 3. Open in power circuit 4. Short to ground in signal(Feedback signal) circuit 5. Short to ground in power circuit 6. Faulty mode actuator 7. Faulty A/C control Module |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
Feedback signal of mode actuator has been detected below 0.1V for 0.3 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. |
