The Air conditioner Control Module sets DTC B1284 if The signal from Auto Defog Mode actuator has been detected 4.9V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage check | 1. Short to battery in signal(Feedback signal) circuit 2. Open in ground circuit 3. Faulty auto defoger mode actuator 4. Faulty Air conditioner control Module |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
Feedback signal has been detected over 4.9V for 0.3 seconds | |
Failsafe |
•
If selected Mode was VENT, it is moved and fixed at Close position
•
If the others mode, it is moved and fixed at Open position |
